UTOPIA DC-INVERTER ES SERIES HVRN1/H(V)RNS(E)

UTOPIA DC-INVERTER ES SERIES HVRN1/H(V)RNS(E) Technical Catalogue Outdoor Units: 2~10 HP Indoor Units Type: 4-Way Cassette 2-Way Cassette Wall Ceiling In-the-Ceiling Floor Floor Concealed

Specifications in this manual are subject to change without notice in order that HITACHI may bring the latest innovations to their customers. Whilst every effort is made to ensure that all specifications are correct, printing errors are beyond Hitachi s control; Hitachi cannot be held responsible for these errors.

Contents C ontents Features and Benefits of ES General Data Dimensional Data Capacities and Selection Data Working Range Refrigerant Cycle Piping and Refrigerant Load Electrical Data Electrical Wiring Available Optional Functions Troubleshooting 1 2 3 4 5 6 7 8 9 10 11 5 TCGB0052 rev.1-07/2009

Contents Contents 1. Benefits of DC INVERTER ES...23 1.1. Choice benefits... 24 1.1.1. A wide range of choice... 24 1.1.2. Complete remote control range... 26 1.1.3. Flexibility of the system... 30 1.1.4. Availability of Hi-Tool Kit selection software... 30 1.2. Installation advantages... 31 1.2.1. Compact size... 31 1.2.2. Easy to install and flexible units and pipes... 31 1.2.3.Easy and flexible electrical installation... 33 1.2.4. Easy and flexible control connection(central Station, BMS Interface, CSNET-WEB)... 34 1.2.5. Flexible adaptation to the installation site... 34 1.3. Start-up benefits... 34 1.3.1. Automatic start-up test... 34 1.3.2. Service check... 35 1.4. Functional benefits... 35 1.4.1. Maximum efficiency... 35 1.4.2. Silent compressor... 37 1.4.3. Silent fan... 37 1.5. Maintenance benefits... 38 1.5.1. Availability of maintenance tools... 38 1.6. Main features of the units... 39 1.6.1. Indoor units... 39 1.6.2. Outdoor units... 50 1.6.3. Complementary systems... 55 2. General data...59 2.1. General data for indoor units... 60 2.1.1. RCI 4-way cassette type... 60 2.1.2. RCIM 4-way mini cassette type... 61 2.1.3. RCD 2-way cassette type... 62 2.1.4. RPC Ceiling type... 63 2.1.5. RPI In-the-ceiling type... 64 2.1.6. RPIM In-the-ceiling type... 66 2.1.7. RPK Wall type... 67 2.1.8. RPF and RPFI Floor type and floor-concealed type... 68 2.2. General data for Outdoor Units... 69 2.2.1. RAS Outdoor Units... 69 2.3. Complementary systems... 72 2.3.1. KPI - Energy recovery ventilation units... 72 2.3.2. Econofresh kit... 73 2.4. Component data... 73 2.4.1. Fan and exchanger of indoor units... 73 2.4.2. Fan and exchanger of outdoor units... 78 2.4.3. Compressor... 79 0 7

Contents Contents (Cont.) 3. Dimensional Data...81 3.1. Indoor units... 82 3.1.1. 4-way cassette type models... 82 3.1.2. 2-way cassette type models... 84 3.1.3. Ceiling-type models... 86 3.1.4. Duct-type models... 90 3.1.5. Wall-type models... 95 3.1.6. Floor-type models... 98 3.1.7. Floor-concealed models... 99 3.2. Outdoor units... 100 3.3. Complementary units... 103 3.3.1. Total heat exchanger... 103 3.3.2. Econofresh kit... 106 4. Capacities and selection data...107 4.1. UTOPIA DC INVERTER ES series system selection procedure... 108 4.1.1. Selection parameters... 108 4.1.2. Selection procedure... 108 4.2. KPI system selection procedure...115 4.2.1. Selection guide for KPI...115 4.2.2. Calculation of the heat exchanger efficiency...118 4.3. Selection procedure for the Econofresh system...119 4.4. Combinability... 121 4.5. Compatibilities... 122 4.6. Standard cooling and heating capacities... 125 4.7. Maximum cooling capacities of the outdoor units... 128 4.8. Maximum heating capacities of the outdoor units... 129 4.9. Correction factors... 130 4.9.1. Piping length correction factor... 130 4.9.2. Defrost correction factor... 134 4.10. Sensible heat factor (SHF)... 135 4.11. Fan performance... 136 4.11.1. RPI(M)-(1.5~10.0)FSN2E... 136 4.11.2. KPI Fan performance... 138 4.12. Temperature distribution diagrams... 140 4.12.1. RCI 4-way cassette type... 140 4.12.2. RCD 2-way cassette type... 143 4.12.3. RPC Ceiling type... 145 4.12.4. RPK Wall type... 146 4.13. Sound data... 147 4.13.1. RCI 4-way cassette type... 147 4.13.2. RCD 2-way cassette type... 150 4.13.3. RPC Ceiling type... 151 4.13.4. RPI In-the-ceiling type... 153 4.13.5. RPK Wall type... 156 8

Contents Contents (Cont.) 4.13.6. RPF Floor type... 157 4.13.7. RPFI Floor concealed type... 158 4.13.8. KPI... 159 4.13.8. RAS UTOPIA DC INVERTER ES outdoor units... 161 5. Working Range...163 5.1. Power supply... 164 0 5.2. Temperature range... 164 6. Refrigerant cycle...165 6.1. Example of single combination... 166 6.2. Example of twin combination... 167 6.3. Example of triple combination... 168 6.4. Example of quad combination... 169 7. Piping and refrigerant charge...171 7.1. Refrigerant piping selection... 172 7.1.1. Refrigerant piping range... 172 7.1.2. Refrigerant piping length by dip switch setting... 173 7.1.3. Selecting the refrigerant piping... 174 7.2. Multikits and distributors... 175 7.2.1. Multikits for twin installation... 175 7.2.3. Distribution method... 177 7.2.3. Copper pipes and sizes... 179 7.3. Amount refrigerant charge... 181 7.3.1. Additional refrigerant charge calculation (R410A)... 181 7.3.2. Simple example of refrigerant charge quantity calculation... 182 7.4. Caution in case of refrigerant leakage... 183 7.4.1. Maximum permitted concentration of HFCs... 183 7.4.2. Calculation of refrigerant concentration... 183 7.4.3. Countermeasure for refrigerant leakage... 184 8. Electrical Data...185 8.1. Indoor units... 186 8.2. Outdoor units... 187 8.2.1. RAS-(2~3)HVRN1/HVRNS... 187 8.2.2. RAS-(4~6)HVRN(S)E... 187 8.2.3. RAS-(8/10)HRNSE... 188 8.3. Complementary system KPI... 189 9. Electrical Wiring...191 9.1. General verification... 192 9.2. Setting and function of DIP switches for outdoor units... 193 9.2.1. RAS-(2~3)HVRN1/HVRNS(1)(S)... 193 9.2.2. RAS-4~10H(V)RNSE... 194 9.3. Setting and function of DIP switches for indoor units... 196 9.3.1. Indoor units... 196 9

Contents Contents (Cont.) 9.4. Setting of DIP switches for complementary systems and accessories... 198 9.4.1. Complementary systems... 198 9.5. Common wiring... 199 9.5.1. Electrical wiring between indoor and outdoor units... 199 9.6. Wiring size... 200 9.7. H-LINK II... 201 9.7.1. Application... 201 9.7.2. Features... 201 9.7.3. Specifications... 201 9.7.4. Setting DIP switches for single, double and triple systems... 202 9.7.5. Examples of the system of connection between H-LINK and H-LINK II units... 203 9.7.6. Examples of H-LINK system:... 204 9.8. PSC-5HR... 206 9.8.1. Example of a system with PSC-5HR... 206 9.8.2. Internal layout of the components... 206 10. Optional functions available...207 10.1. Optional functions available for indoor units... 208 10.2. Optional functions available for outdoor units... 209 10.3. Optional functions available for remote controllers... 210 11. Troubleshooting...215 11.1 Alarm code... 216 10

Contents Unit code list NOTE: 0 MODEL CODIFICATION Please check by model name your air conditioner type, its abbreviation and reference number in this technical catalogue. FSN(2)(E) INDOOR UNITS 4-Way Cassette 4-Way Mini Cassette 2-Way Cassette Ceiling Unit Code Unit Code Unit Code Unit Code RCI-1.5FSN2E 7E400002 RCIM-1.5FSN2 60278013 RCD-1.5FSN2 60278030 RCI-2.0FSN2E 7E400003 RCIM-2.0FSN2 60278014 RCD-2.0FSN2 60278031 RPC-2.0FSN2E 7E440003 RCI-2.5FSN2E 7E400004 RCD-2.5FSN2 60278032 RPC-2.5FSN2E 7E440004 RCI-3.0FSN2E 7E400005 RCD-3.0FSN2 60278033 RPC-3.0FSN2E 7E440005 RCI-4.0FSN2E 7E400007 RCD-4.0FSN2 60278034 RPC-4.0FSN2E 7E440007 RCI-5.0FSN2E 7E400008 RCD-5.0FSN2 60278035 RPC-5.0FSN2E 7E440008 RCI-6.0FSN2E 7E400009 RPC-6.0FSN2E 7E440009 RCI RCIM RCD RPC 1~ Unit type (indoor unit) RCI(M) - RCD - RCI-3.0 FSN (2) (E) RPC - RPI - RPK - RPF - RPF(I) Capacity (HP) 2.0-2.5-3.0-4.0-5.0-6.0 H-Link Set-free/ System Free R410A refrigerant Series E: Made in Europe -: Made in Japan 11

Contents FSN(2)(E/M) INDOOR UNITS Duct Wall Floor Enclosure Floor Concealed Enclosure Unit Code Unit Code Unit Code Unit Code Unit Code RPI-1.5FSN2E 7E420002 RPIM-1.5FSN2E 7E430002 RPK-1.5FSN2M 60277942 RPF-1.5FSN2E 7E450002 RPFI-1.5FSN2E 7E460002 RPI-2.0FSN2E 7E420003 RPK-2.0FSN2M 60277943 RPF-2.0FSN2E 7E450003 RPFI-2.0FSN2E 7E460003 RPI-2.5FSN2E 7E420004 RPK-2.5FSN2M 60277944 RPF-2.5FSN2E 7E450004 RPFI-2.5FSN2E 7E460004 RPI-3.0FSN2E 7E420005 RPK-3.0FSN2M 60277945 RPI-4.0FSN2E 7E420007 RPK-4.0FSN2M 60277946 RPI-5.0FSN2E RPI-6.0FSN2E RPI-8.0FSN2E RPI-10.0FSN2E 7E420008 7E420009 7E420010 7E420011 RPI RPIM RPK RPF RPFI 1~ RPF-2.0 FSN (2) (E/M) Unit type (indoor unit) RCI - RCD - RPC - RPI - RPK - RPF - RPF(I) Capacity (HP) (1.5~10) R410A refrigerant H-Link Set-free/ System Free Series E: Made in Europe M: Made in Malaysia -: Made in Japan 12

Contents OUTDOOR UNITS HVRN1 Unit Code RAS-2HVRN1 60288093 0 RAS-2.5HVRN1 60288094 RAS-3HVRNS 60288101 1~ Unit type (outdoor unit) RAS RAS-2 HVRN1 Compressor Power (HP) 2~3 Heat Pump Inverter system Single Phase (1~) Series R410 Refrigerant OUTDOOR UNITS HVRNSE Unit RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE Code 7E301007 7E301008 7E301009 1~ Unit type (outdoor unit) RAS RAS-6 HVRNSE Compressor Power (HP) 4~6 Heat Pump Inverter system Single Phase (1~) R410 Refrigerant E: Made in Europe Eco&Small 13

Contents OUTDOOR UNITS HRNS Unit RAS-8HRNSE RAS-10HRNSE Code 7E314110 7E314111 3~ Unit type (outdoor unit) RAS RAS-8HRNSE Compressor Power (HP) 2~3 Heat Pump R410 Refrigerant Inverter system E:Made in Europe Eco&Small 14

Contents ACCESSORY CODE LIST Name Description Code Figure 0 PC-ART Remote control switch with timer 70510000 PSC-A64S Central control 60291479 PSC-A16RS Centralized ON/OFF controller 60291484 PSC-A1T Programmable timer 60291482 PC-LH3A Wireless remote control switchs 60291056 PC-ARH Optional remote controller 60291486 PC-ALH Receiver kit (for RCI-FSN2E -on the panel-) 60291464 PC-ALHD Receiver kit (for RCD-FSN2 -on the panel-) 60291467 15

Contents Name Description Code Figure PC-ALHZ Receiver kit (for RCI, RCD, RPC, RPI, RPK, RPF(I) - (FSN2(E)) -on the wall-) 60291473 PC-ALHC Receiver kit (for RCIM-FSN2 -on the panel-) 60291476 Image not available PSC-5HR H-LINK relay 60291105 PCC-1A Optional function connector 60199286 PRC-10E1 2-pin extension cord 7E790211 PRC-15E1 2-pin extension cord 7E790212 PRC-20E1 2-pin extension cord 7E790213 PRC-30E1 2-pin extension cord 7E790214 THM-R2AE Remote sensor (THM4) 7E799907 16

Contents Name Description Code Figure HARC-BXE (A) Lonwork BMS Interface (7 inputs up to 6 units) 60290874 0 (H-LINK compatible)* HARC-BXE (B) Lonwork BMS Interface (4 inputs up to 32 units) 60290875 (H-LINK compatible)* HC-A64BNP Integration with installations with intelligent control (Building Management System) Gateway Interface to BAC NET BMS systems. 60291569 HC-A32MB Building Management System Gateway to MODBUS systems. 7E513200 NEW HC-A16KNX Building Management System Gateway to KNX systems. 7E513300 NEW CSNET-WEB (v3) Control System 7E891938 WEB SCREEN TS001 15-inch touch-screen display 7E891935 PC-A1I0 Integration external devices 70519000 HC-A160SMS SMS alarm warning device 7E519100 * Max. 128 indoors * Max. 16 adress (outdoor unit) 17

Contents Name Description Code Figure DBS-26 Drain discharge connection 60299192 P-N23WA Air panel for RCI-FSN2E 70530000 P-N23WAM Air panel for RCIM-FSN2 60197160 P-N23DWA Air panel for RCD-FSN2 60291574 P-N46DWA Air panel for RCD-FSN2 60291575 B-23H4 Adapter for deodorant filter 60199790 F-23L4-K Antibacteria filter 60199791 F-23L4-D Deodorant filter 60199793 F-46L4-D Deodorant filter 60199794 18

Contents Name Description Code Figure PDF-23C3 Duct connection flange 60199795 0 PDF-46C3 Duct connection flange 60199796 OACI-232 Fresh-air intake kit 60199797 PD-75 Fresh-air intake kit 60199798 PI-23LS5 3-way outlet parts 60199799 TKCI-232 T-duct connecting kit 60199801 TE-03N Branch pipe 70800007 TE-04N Branch pipe 70800008 TE-56N Branch pipe 70800009 19

Contents Name Description Code Figure TE-08N Branch pipe 70800003 TE-10N Branch pipe 70800004 TRE-06N Branch pipe 70800005 TRE-810N Branch pipe 70800010 AG-335A Air outlet diffuser (one for each fan) 60291431 WSP-335A Wind guard 60291432 ASG-NP335F ASG-NP335B Snow guard (one for each fan) Snow guard (one for each fan) 60291433 60291434 images not available ASG-NP335L Snow guard 60291435 HR-500 70550101 HR-800 70550102 HR-1000 Heat exchanger for KPI (heat recovery) 70550103 HR-1500 70550104 HR-2000 70550105 20

System description Introduction New series DC INVERTER ES HITACHI presents the new DC INVERTER ES range, which replaces the H(V)RNE series. ES series uses Inverter technology which allows the set temperature to be Traditional DC INVERTER series Series DC INVERTER ES RAS-5HVRNSE RAS-5HVRNE The ES units are much more compact and lighter than the traditional model. reached while optimizing electricity consumption and bringing down CO 2 emissions. With the same quality and design parameters, HITACHI has developed units that are more compact and lighter than the previous models. This series is compatible with HITACHI's SYSTEM FREE system, eliminating the need to duplicate indoor unit models and thus reducing the need for stock. For this new ES series the new H-LINK II communication protocol has been developed. This allows up to 160 indoor units and 64 outdoor units to be connected for a same H-LINK II installation, and is compatible with the rest of the HITACHI range. True to its commitment to the environment, HITACHI has designed the new ES series in compliance with all applicable European directives and regulations (WEEE, RoHS,Green Dot, F-Gas,...) and has opted to use the R410A refrigerant which does not damage the ozone layer (ODP=0). New features New RAS-8/10HRNSE NEW ES range: single-phase system: 2, 2.5, 3, 4, 5 and 6 HP new three phase system: 8 and 10 HP RCI/RCIM/RCD/RPC/RPI(M)/RPC/RPK/RPF(I) indoor units with H-LINK II and 7 mm exchanger New KPI units with airflow from 500 m 3 /h to 3000 m 3 /h PC-ART, PSC-A64S, and PSC-A16RS remote controls New gateways to BAC-NET (HC-A64BNP) and MODBUS (HC-A32MB) building management systems. New alarm reporting through SMS to mobile (HC-A160SMS) Central control for external fan and air handling unit from CSNET WEB (PC-A1IO). Building Layout view from CSNET WEB New PC-ART remote control 21

System description Environmentally-friendly They use the R410A refrigerant. The Hitachi ES units are environmentally-friendly because they use the R410A refrigerant, and the RoHS and green dot regulations are applied in their assembly process, proving HITACHI's environmental awareness and respect. R410A is totally environmentally-friendly since it does not contain any substances that damage the ozone layer: ODP (ozone depleting product) =0. Refrigerant High energy efficiency HITACHI's ES units are very efficient and allow significant energy savings compared with conventional systems. This energy efficiency means less production of CO 2, which causes the greenhouse effect. 22

Benefits of DC Inverter 1. Benefits of DC INVERTER ES This chapter describes the features and benefits of the new UTOPIA DC INVERTER ES series. The system's flexibility and modularity offer you the complete solution for your air conditioning requirements. Contents 1 1. Benefits of DC INVERTER ES...23 1.1. Choice benefits...24 1.1.1. A wide range of choice...24 1.1.2. Complete remote control range...26 1.1.3. Flexibility of the system...30 1.1.4. Availability of Hi-Tool Kit selection software...30 1.2. Installation advantages...31 1.2.1. Compact size...31 1.2.2. Easy to install and flexible units and pipes...31 1.2.3.Easy and flexible electrical installation...33 1.2.4. Easy and flexible control connection(central Station, BMS Interface, CSNET-WEB)...34 1.2.5. Flexible adaptation to the installation site...34 1.3. Start-up benefits...34 1.3.1. Automatic start-up test...34 1.3.2. Service check...35 1.4. Functional benefits...35 1.4.1. Maximum efficiency...35 1.4.2. Silent compressor...37 1.4.3. Silent fan...37 1.5. Maintenance benefits...38 1.5.1. Availability of maintenance tools...38 1.6. Main features of the units...39 1.6.1. Indoor units...39 1.6.2. Outdoor units...50 1.6.3. Complementary systems...55 23

Benefits of DC Inverter Choice benefits: 1.1. Choice benefits 1.1.1. A wide range of choice Outdoor units -- Much lighter than earlier models. -- Compact, with a careful design that has greatly reduced volume. HVRN1/HVRNS series outdoor units Capacity (HP) 2 2.5 3 RAS-HVRN(1)(S) 1~ HVRNSE series outdoor units Capacity (HP) 4 5 6 RAS-HVRNS(E) 1~ HRNS series outdoor units Capacity (HP) 8 10 RAS-HRNSE 3~ 24

Benefits of DC Inverter Choice benefits: Indoor units The HITACHI indoor units have the following features: More efficient, use of a 7mm copper pipe exchanger. Flexible capacity. Indoor units Capacity (HP) 1,5 1,8 2 2,3 2,5 3 4 5 6 8 10 1 Duct low + - - + Duct for hotels 4-way mini - Unit of constant capacity System Free Cassette 2-way + - - + - - + + Unit whose capacity can be adjusted to a higher limit via the DIP switch. Wall - - - Unit whose capacity can be adjusted to a lower limit via the DIP switch. Ceiling - - + - + Unit whose capacity can be adjusted to a higher or lower limit via the DIP switch. With casing + - - + Capacity available with the DIP switch setting. Floor Without casing + - - + NOTE: For more information see chapter 9 on electrical wiring. 25

Benefits of DC Inverter Choice benefits: A wide range of accessories All the units have a large set of accessories that facilitate installation, operation and maintenance. These accessories are designed to improve and adapt the unit to the type of installation the system needs, always within the parameters of quality that the system requires. These accessories include: -- Remote control switches -- Panels -- Filters -- Multikits Wide range of complementary systems The complementary systems have been designed as elements attached to the installation. They improve its performance in terms of power consumption and the quality of the conditioned air. KPI KPI Energy recovery unit with two choice options, depending on the installation requirements: -- Heat recovery units, which recover energy through the temperature. -- Energy recovery units, which recover the energy through temperature and humidity. -- Wide range of capacities from 500m 3 /h to 3,000 m 3 /h. Econofresh Air renewal unit that also permits a saving in energy. Connected to the RPI-5.0FSN2E unit. Allows different operating modes depending on the type of installation. Econofresh 1.1.2. Complete remote control range HITACHI has three different remote control systems that can be used with the DC INVERTER outdoor units. -- Individual control systems -- Centralized control systems -- Computer control systems HITACHI also has interface equipment to integrate its machines in installations with intelligent control or BMS (Building Management System). 26

Benefits of DC Inverter Choice benefits: PC-ART Wall-mounted remote control switch with timer Individual control systems PC-ART Remote control switch with timer: -- LCD display. -- 4 timer settings per week. -- Optional functions like locking, energy saving, and intelligent room temperature maintenance. -- Automatic testing for problem-solving that provides information in real time with an alarm code. -- Access to all function settings for the indoor units -- Thermostat function available. -- Details of all settings are given on screen, facilitating system functionality checking. -- If there are problems with the power supply the backup functions keep the timer working. -- Indoor unit control groups (from 1 to 16 units in each group). PC-LH3A A wireless remote control switch that removes the need for wiring and provides simple one-touch operation. Enables two or more units to be controlled simultaneously. 1 PC-LH3A Wireless remote control switch PC-ARH Smaller remote control than conventional remote controls. Its main features are temperature setting and operating mode setting. Its user-friendliness makes it ideal for facilities such as hotels. Two remote control switches or a group control (for a maximum of 16 units) can be used in a similar way to the standard remote control switch. When a problem occurs, an alarm code immediately shows the details of the error. There are also optional functions such as limiting the operating mode, limiting the maximum temperature in heating/cooling mode, selecting the fan speed, etc. PC-ARH Basic wired remote control switch PSC-5A1TE Timer PSC-A1T Programmable timer used to set operating schedules for air conditioning systems. Along with the PSC-A64S and PC-ART controllers, the air conditioners they control can be operated according to the schedule below: -- The timer can be set at 7-day intervals and start/stop can be set three times a day. -- The remote control switch can be disabled during the OFF time (when used with PSC- A64S and PC-ART). -- Two types of weekly schedule (A and B) can be set and easily changed for summer and winter operation. -- Settings are all digitally displayed, allowing operations and settings to be easily checked. The power failure backup function prevents the timer from stopping because of a power failure (even if it lasts for weeks). 27

Benefits of DC Inverter Choice benefits: PSC-A64S Central station Centralized control systems PSC-A64S (central control) -- A group of up to 64 remote control switches can be connected to an H-LINK II to control up to 128 indoor units. -- Up to 8 PSC-A64S units can be connected to an H-LINK II. -- In addition to the basic functions, operation mode and temperature setting, it is possible to set the air flow or auto louver. -- When a problem occurs, an alarm code immediately shows the details of the error. -- A signal terminal to provide external inputs is supplied as standard. It controls the following functions: -- On/Off -- Emergency stop -- Central operation output -- Central alarm output PSC-A16RS (central control) -- Up to 16 indoor units can be connected. -- User-friendly. CSNET-WEB Control system TS001 web screen Computer control systems CSNET-WEB HITACHI has developed the CSNET WEB system enabling equipment to be controlled remotely from any point of the local corporate network, or even via the Internet. CSNET WEB can be connected to the H-LINK network from any point on the network using a non-polarity two-wire cable, facilitating the installation task to the maximum. 64 outdoor units and 160 indoor units can be controlled by each H-LINK. CSNET WEB offers the following functions: -- Simplified monitor and control of building by Building Layout view. -- Locking of the different setting points. -- Temperature selection. -- Cooling and heating mode selection. -- Fan speed selection. -- Monitoring of percentile energy consumption. -- Automatic cooling/heating mode. -- Annual timer TS001 web screen Hitachi has developed a 15" touch screen, which by using the CSNET WEB and without the need for another computer, allows the air conditioning units to be controlled, monitored and managed. This screen is very practical for surveillance centers. HARC I&O PC-A1IO Allows non-hitachi units (fans, air processing units, etc) to be incorporated into the H-LINK system. Therefore, specific parameters of these units can be monitored and controlled through the CSNET WEB. PC-A1I0 units can regulate up to 5 signals such as fan speed control, off, on, etc. HC-A160SMS SMS alarm notification device. The message contains the alarm and the unit to which it refers. It can be sent up to 5 different numbers. The message is repeated as a reminder until a response is sent. HARC SMS Alarm 28

Benefits of DC Inverter Choice benefits: Building management systems HARC-BX Integrated with installations with intelligent control (Building Management System) Gateway interface with LonWORKS BMS systems (installations with intelligent control or BMS). HARC-BX allows control of up to 5 setting points and remote monitoring of up to 9 values. The HARC-BX can control and monitor up to 64 indoor units from 8 different refrigerant systems connected to up to 8 different H-LINK lines (communication line between machines). 1 HARC BX HC-A16KNX Integrated with installations with intelligent control (Building Management System) Gateway Interface to KNX systems. The use of HC-A16KNX allows the unit to be remotely controlled and its parameters monitored. HC-A16KNX can control and monitor up to 16 indoor units from 16 different refrigerant systems connected to a H-LINK line (communication line between machines). KNX is an European standard used in many installations. HC-A16KNX HC-A32MB Integrated with installations with intelligent control (Building Management System) Gateway Interface to MODBUS BMS systems. The use of HC-A32MB allows the unit to be remotely controlled and its parameters monitored. HC-A32MB can control and monitor up to 32 indoor units from 32 different refrigerant systems connected to a H-LINK line (communication line between machines). MODBUS is an open protocol that can be used by any vendor thus allowing easy interaction with different devices. HC-A32MB HC-A64BNP Integrated with installations with intelligent control (Building Management System). Gateway Interface to BACnet BMS systems. The use of HC-A64BNP allows the unit to be remotely controlled, and its parameters to be monitored. HC-A64BNP can control and monitor up to 64 indoor units connected to a H-LINK line (communication line between machines). The HC-A64BNP can be connected to any point in the H-LINK system. HC-A64BNP NOTE: For more information on the remote control switches see the TC0050 technical catalogue. 29

Benefits of DC Inverter Choice benefits: 1.1.3. Flexibility of the system Wide variety of options in the standard commands The DC INVERTER ES units have many standard commands. These options can be easily configured by means of any of the wide variety of HITACHI remotecontrol switches, or through the PCBs of the indoor and outdoor units. In this way the DC INVERTER ES system adapts to each installation. Combinability The DC INVERTER ES units allow up to 3 indoor unit models with different capacities to be combined, making the installation more flexible. 1.1.4. Availability of Hi-Tool Kit selection software Hi-Tool Kit is a tool that allows you to design installations and automatically generate all the information necessary to carry out the work. This information is: -- A table to select products -- Cooling and electrical diagram generated automatically according to the installation design. -- List of products necessary to carry out the installation. -- Start-up management. A table to select products Refrigerant layout 30

Benefits of DC Inverter Installation benefits: 1.2. Installation advantages 1.2.1. Compact size The new DC INVERTER ES outdoor units and lighter and more compact. Their lightness and smaller volume allow them to be transported more easily. They also take up less room and can be installed more quickly. The following tables show the reduction in size and weight between a traditional DC INVERTER machine and the new DC INVERTER ES models. 1 Model Weight (Kg) Volume (m 3 ) Machine Traditional DC INVERTER RAS-4HP RAS-8HP RAS-4HP RAS-8HP 95 260 0.55 1.24 Decreases -12% -48% -22% -61% DC INVERTER ES 85 135 0.43 0.48 1.2.2. Easy to install and flexible units and pipes The HITACHI DC INVERTER ES installation system is one of the most flexible and easy-to-install systems on the market, offering substantial cost savings during installation and subsequent maintenance. Lighter and smaller -- Since it is lighter and smaller less installation space is required, making it easier to access the machine for installation and subsequent maintenance. TRADITIONAL DC INVERTER RAS-4HVRNE New DC INVERTER ES RA S-(4~6)HVRNSE 31

Benefits of DC Inverter Installation benefits: Less refrigerant load The new cooling circuit design allows extra refrigerant load to be reduced (up to 30%, depending on the model). TRADITIONAL DC INVERTER RAS-4HVRNE New DC INVERTER ES RAS-4HVRNSE Multikits and distributors example supplied by HITACHI: Mounting accessories Hitachi provides all of the accessories required to connect the pipes (distributors and multikits). These accessories make the installation process more flexible and straightforward. TE-N multikit TRE-N distributor 32

Benefits of DC Inverter Installation benefits: 1.2.3.Easy and flexible electrical installation Interconnection of units via the new H-LINK II The units interconnect via a bus called H-LINK II, consisting of 2 non-polarity cables and accepting lengths of up to 1,000 m. Accessories are available if required to increase this length to 5,000 m. Up to 160 indoor units connected to each circuit. Each H-LINK II bus can communicate up to 160 indoor units. Taking into account the absence of polarity and the length of line permitted, the flexibility of the interconnection between the machines is very high. This lets you, for example, connect the H-LINK II of a cooling system's indoor unit to the H-LINK II of another system's indoor unit. 1 Example of H-LINK II system: H-LINK II BUS NOTES: When using the H-LINK II system, DIP switches have to be adjusted. If the DIP switches are not set or set incorrectly, an alarm may occur due to transmission failure. Total wiring length for the remote control switch can be extended to up to 5,000 m. If total wiring length is less than 30 m, it is possible to use the normal wiring (0.3 mm²). The H-LINK II system provides maximum flexibility for system design; installation is easy, and total costs are reduced. Furthermore, it can be controlled centrally by connecting CSNET WEB to H-LINK II wiring located in the room next to the room where CSNET WEB is installed. You can also control the installation by Internet via CSNET WEB Specifications: Transmission cable: 2-wire Polarity of transmission cable: Non-polar wire Maximum number of outdoor units 64 units per H-LINK II system Maximum indoor units 160 units per H-LINK II system Maximum number of equipment units 200 Maximum wiring length: Total 1000 m (including CSNET WEB) Recommended cable: Shielded twisted pair cable or shielded pair cable, over 0.75mm² (equivalent to KPEV-S) Voltage: DC5V No operating cable for the remote control In the case of double, triple and quad systems the interior units can be controlled using a single remote control switch without having to join them with an operating cable for the remote control. Operation wiring An operating cable is not required for using the remote control switch 33

Benefits of DC Inverter Installation benefits: 1.2.4. Easy and flexible control connection (Central Station, BMS Interface, CSNET-WEB) No polarity Thanks to the absence of polarity, any centralized control can be connected directly to the H-LINK II bus, which means that special lines are not needed. Auto-configuration Aside from the customized configuration, the control systems are also autoconfigurable; for example, they can determine the type of machine they are connected to, and detect the type of indoor unit or its power. 1.2.5. Flexible adaptation to the installation site Adjustable power via DIP switch The capacity of the indoor units can be set using a DIP switch that is included in the unit's PCB. The installation design can be adapted to the building's actual features. Start-up benefits: 1.3. Start-up benefits Test run from outdoor unit DIP switches Test run from the remote control switch 1.3.1. Automatic start-up test There are three set-up modes: Test run. Test run from the remote control switch. Test run from the outdoor unit. Test run The automatic test run can be activated through outdoor unit DIP switch or indoor unit remote control switch. The outdoor unit 7-segment display gives all the information needed to check the system is operating correctly. Identification system for connected outdoor units: Using a remote control switch, you can confirm what series the operational outdoor units belong to (e.g. single or multiple). Automatic identification of each indoor unit. They can also be manually assigned using the unit's DIP rotating switch. Test run from the remote control switch The remote control can run 3 operations. Auto-diagnostic: Quick check of the operating conditions of the indoor units and the outdoor unit. Data memory query: If an abnormality occurs, the LCD remote control switch shows an alarm code and saves all the operation settings of the unit at the time the fault occurs, so that a quick diagnosis can be made of the installation. Optional function setting: The remote control switch allows cancellation of the 4-degree offset in the heating mode and an increase in the fan speed setting, among 29 possible options. This way, multiple indoor units can be set at the same time. Also, the configuration can easily be changed, even after the installation has been completed. 34

Benefits of DC Inverter Start-up benefits: Test run procedure from the outdoor unit: The outdoor unit PCB is equipped with a 7-segment screen, which depending on the position of the PSWs shows the following parameters in sequence Outdoor temperature Discharge gas temperature Evaporation temperature in heating mode Condensing temperature Discharge pressure Compressor run time This allows quick and accurate diagnosis of the installation during normal operation or test run. 1.3.2. Service check Hitachi Service Tools Hitachi also has a powerful IT tool, Hitachi Service Tools. This software can be run from any laptop computer through an interface connected to the H-LINK II bus, and it can collect several parameters that have an influence on the unit's performance. These parameters can also be monitored in different formats, allowing incidents during start-up to be located quickly. 1 Functional Benefits: 1.4. Functional benefits 1.4.1. Maximum efficiency Hitachi's DC INVERTER ES technology offers very functional machines designed to provide maximum comfort to users. Increased system capacity DC INVERTER ES DC INVERTER ES systems are highly efficient due to the following technical features: -- More efficient three-row heat exchanger. -- Supercooling circuit for RAS-(2~6)HVRNSE Highly-efficient DC INVERTER compressor New heat exchanger with more contact area (3 rows). Exchanger duct 7 mm in diameter 4-way valve Stop valve (gas line) High-efficiency DC motor Indoor unit heat exchanger New three-blade fan Expansion valve Expansion valve Stop valve (liquid line) Liquid receiver 35 Increased enthalpy through use of 3-row exchanger

Benefits of DC Inverter Maintenance benefits: High efficiency DC Motor -- Supercooling circuit for RAS-(8/10)HRNSE Heat exchanger of narrow piping Ø9.53 Ø7 Outdoor heat exchanger 4-Way valve Large capacity, high efficiency DC Compressor Gas stop valve Indoor heat exchanger Enlarged enthalpy by sub-cooler Sub-cooler Electronic expansion valve Rear side Front side Improved temperature distribution of heat exchanger by two fans Electronic expansion valve Liquid stop valve Single phase receiver Sub-cooler Air Air Reduced power consumption -- Highly efficient DC Scroll Compressor (use of neodymium magnets in the compressor motor rotor). -- New inverter control -- Self demand control Auto-control of power consumption, which can be regulated from 100%, 70% and 50% of nominal value. Avoids excess energy consumption by regulating the frequency. Auto-control of power consumption. This function maintains the set current value. Electrical consumption Set the current value Regulate the total capacity in the specified range This current value can be chosen from 50%, 70% or 100% of the nominal value. Morning Day Night -- Wave mode Regulation of demand through wave control. The demand is regulated by controlling the wave, as shown in the chart below. Power consumption auto-control. Without energy value control Energy value auto-control Average energy consumption Average energy consumption Energy consumption Energy value set Energy consumption Energy value set 36

Benefits of DC Inverter Functional benefits: RANGE The optimized refrigerant cycle makes it possible to work with temperatures below zero in cooling mode. RAS-(3~10)HP RAS-(3~10)HP 1 Cooling (DB) Heating (WB) RAS-2/2.5HVRN1 1.4.2. Silent compressor The DC INVERTER ES compressor reduces the noise level to a minimum. The neodymium magnets in the rotor of the DC compressor improve the performance of the compressor at low frequencies, and a significant reduction of electromagnetic noise has been achieved by separating the rotor into two parts. The combination of scroll compressors and an insulating cover provide minimum noise levels. Acoustically insulated compressor 1.4.3. Silent fan The DC INVERTER ES units have been designed with a fan that reduces the noise level to a minimum. The ventilation system has a revolutionary three-blade fan. This fan is much more aerodynamic than earlier models. It has a greater surface area in contact with the air and a better turning angle, preventing turbulence and allowing the ventilator to be fitted lower. At the same time, the use of DC motors with PWM control increase the system's efficiency and reduce electromagnetic noise. 15% Traditional fan New fan More aerodynamic three-blade fan 37

Benefits of DC Inverter Maintenance benefits: 1.5. Maintenance benefits Minimum maintenance The DC INVERTER ES units have been designed in line with Hitachi's philosophy, guaranteeing great reliability and robustness and reducing maintenance to a minimum. Easy accessibility The DC INVERTER ES system components are easily accessible. You can access all of theunit's components to perform any necessary operations through a simple cover. The entire system is designed for maintenance operations to be easy and simple. Alarm reception via remote control switch Alarm codes The alarms are grouped by elements within the system in order to facilitate maintenance work and optimize the fitter's job SMS Alarm The alarm signals can also be received through a simple SMS specifying the cycle affected and the alarm code, allowing incidents to be detected and solved more quickly. Alarms received through an SMS 1.5.1. Availability of maintenance tools All the functions of the Hitachi Service Tools for setup are applicable to unit maintenance, both preventive and corrective, so that any problem can be detected and solved immediately. CSNET-WEB is also useful for maintenance tasks. CSNET-WEB as maintenance tool 38

Benefits of DC Inverter Main features of the units: 1.6. Main features of the units 1.6.1. Indoor units RCI 4-way cassette type New design of air inlet slats New design that allows the air to be distributed more evenly, providing more comfort. 1 Intelligent slat closing system. When the machine is off, the slats move into the horizontal position, closing the air outlet and preventing the build-up of dust and foreign objects. RUN STOP Turbo fan The fan is highly efficient with three-dimensional twisted blades and a large bore. This improves the efficiency of the airflow by almost 20% compared to traditional units, reducing the turbulence caused by air. Electromagnetic noise reduced Use of a lower damping slot near the rotating shaft. The following table shows the sound pressure levels in db(a). Model Airflow speed Standard operation db(a) Hi Med Low RCI-1.0FSN2E 32 30 28 RCI-1.5FSN2E 32 30 28 RCI-2.0FSN2E 32 30 28 RCI-2.5FSN2E 32 30 28 RCI-3.0FSN2E 34 32 30 RCI-4.0FSN2E 38 35 33 RCI-5.0FSN2E 39 37 35 RCI-6.0FSN2E 42 40 36 39

Motor efficiency (%) Benefits of DC Inverter Main features of the units: Reduced electrical power consumption due to new DC motor The DC fan motor greatly improves efficiency compared to conventional products with AC motors. In addition, air blasts are reduced by controlling the rotation speed of the fan. The motor's electrical power consumption is reduced by the use of a ferrite magnetic surface-mounted rotor, centralized winding system and split core system. The motor's efficiency has been improved in all aspects, and it is 50% smaller and lighter than conventional machines. DC Motor Efficiency increased by 40% (power consumption halved) AC Motor Installation benefits -- Compact, slim and can be installed in a small space The height of the units is just 298 mm, among the lowest on the market, so they can be installed in a reduced space inside a suspended ceiling. 348 mm 298 mm 1140 mm 840 mm 65% New FSN1E 65% 100% previous 840 mm 820 mm -- Adaptable to high ceilings This model has been adapted for high ceiling (4.2 m) installations by incorporating high speeds. This feature provides comfortable air conditioning in suburban stores and showrooms. (m) High ceiling 1.0/1.5/2.0/2.5/3.0 HP 3.5/4/5/6 HP 4-way 3-way 2-way 4-way 3-way 2-way Standard filter 2,7 3 3,3 3,2 3,6 4 Speed 1 3 3,3 3,5 3,6 4 4,2 Speed 2 3,5 3,6-4,2 4,3 - -- Smaller ceiling opening for installation and renewal The ceiling opening size has been changed from the conventional 910 mm to a range between 860-910 mm, so the ceiling panel cut-out will be smaller. 40

Benefits of DC Inverter Main features of the units: -- Flexibility in the installation of piping Improved piping flexibility thanks to square-shaped unit-suspending positions. The suspending bolt pitch size is 760 mm, positioned at each corner of the unit. The direction of the unit can thus be changed easily to match the pipe connection without changing the bolt positions. The layout is simple even for continuous installation. By setting the refrigerant pipe and drain pipe at separate corners. the working efficiency is improved. 1 -- Fitted with a drain pump that allows a pump lift of up to 850 mm. -- Uniform panel size Panel sizes are standardized to 950 mm square to facilitate easy interchange with other models with different capacities. -- Unit height easily adjustable from the corner pocket An access is provided for each of the four panel corners, so that the body height can be easily adjusted without removing the panel. Body Panel Corner access point The unit can be aligned with the ceiling by moving the structure up or down using the corner access pockets. 41

Motor efficiency (%) Benefits of DC Inverter Main features of the units: RCIM 4-way (small) cassette type Quiet operation -- The DC motor means reduced electromagnetic noise. -- The following table shows the noise levels of the different models: Model Airflow speed Standard operation db(a) Hi Med Low RCIM-1.0FSN2 36 34 32 RCIM-1.5FSN2 38 35 33 RCIM-2.0FSN2 42 39 37 Reduced electrical power consumption due to DC motor -- The DC fan motor greatly improves efficiency compared to conventional products with AC motors. In addition, air blasts are reduced by controlling the rotation speed of the fan. -- The motor's electrical power consumption is reduced by the use of a ferrite magnetic surface-mounted rotor, centralized winding system and split core system. The motor's efficiency has been improved in all aspects, and it is 50% smaller and lighter than conventional machines. DC Motor Efficiency increased by 40% (power consumption halved) AC Motor Installation benefits -- Adaptable to high ceilings This model has been adapted to high ceiling installations (3.5 m). High ceiling 1.0 HP 1.5 HP 2 HP Standard Below 2.5 Below 2.5 Below 2.7 Speed (1) 2.5 to 2.9 2.5 to 2.9 2.7 to 3.1 Speed (2) 2.9 to 3.9 2.9 to 3.9 3.1 to 3.5 (m) -- Flexibility in the installation of piping Improved piping flexibility thanks to squareshaped unit-suspending positions The suspending bolt pitch size is 530 mm, positioned at each corner of the unit. The direction of the unit can thus be changed easily to match the pipe connection without changing the bolt positions. The layout is simple even for continuous installation. The efficiency of the installation has been improved by setting the refrigerant pipe and drain pipe at separate corners. The water level automatically activates the pump when the draining process is required. 42

Benefits of DC Inverter Main features of the units: -- Fitted with a drain pump that allows a pump lift of up to 600 mm. -- Uniform panel size The panels are 700x700 mm. To facilitate installation in standard European grid ceilings (600x600 mm), the unit measures 570x570 mm. 1 -- Unit height easily adjustable from the corner pocket An access is provided for each of the four panel corners, so that the body height can be easily adjusted without removing the panel. Body Panel Corner access point The unit can be aligned with The unit can be aligned with the ceiling surface by moving the structure up or down using the corner access pockets. RCD 2-way cassette type Quiet operation -- The following table shows the noise levels of the different models: Model Airflow speed Standard operation db(a) Hi Med Low RCD-1.0FSN2 34 32 30 RCD-1.5FSN2 35 32 30 RCD-2.0FSN2 35 32 30 RCD-2.5FSN2 38 34 31 RCD-3.0FSN2 38 34 31 RCD-4.0FSN2 40 36 33 RCD-5.0FSN2 43 40 36 43

Motor efficiency (%) Benefits of DC Inverter Main features of the units: Reduced electrical power consumption due to DC motor The DC fan motor greatly improves efficiency compared to conventional products with AC motors. In addition, air blasts are reduced by controlling the rotation speed of the fan. The motor's electrical power consumption is reduced by the use of a ferrite magnetic surface-mounted rotor, centralized winding system and split core system. The motor's efficiency has been improved in all aspects, and it is 50% smaller and lighter than conventional machines. DC Motor Efficiency increased by 40% (power consumption halved) AC Motor Installation benefits -- Compact, slim and can be installed in small spaces A compact turbo fan simplifies the structure and reduces the height of the unit to 298 mm. The unit's low profile design allows easy installation in confined spaces inside a ceiling. New model (50%) Previous model (100%) -- Adaptable to high ceilings This model has been adapted to high ceiling installations (3.4 m). High ceiling 1.0~2.5 HP 3.0~4.0 HP 5.0 HP Standard Below 2.4 Below 2.7 Below 2.9 Speed (1) 2.4 to 2.7 2.7 to 3.0 2.9 to 3.2 Speed (2) 2.7 to 2.9 3.0 to 3.2 3.2 to 3.4 (m) 44

Benefits of DC Inverter Main features of the units: RPC Ceiling type Profile design The RPC units have a stylish shape, which along with the new color make them one of the most elegant units of this market segment. The unit is equipped with an automatic swing louver to ensure even distribution of the air. Installation benefits -- Versatile mounting To increase the installation and positioning options HITACHI has added a second connector for the drain pipe. 1 Rear side Drain pipe -- Mounting brackets Adjustable mounting brackets allowing the machine to be installed flush with the ceiling. Mounting adjusted to the ceiling 45

Benefits of DC Inverter Main features of the units: RPI - In-the-ceiling type The main features of the RPI/RPIM ceiling type indoor unit are: Quiet operation -- A new fan unit combining innovative design with new materials results in important noise reductions, and makes Hitachi's RPI(M) units among the most silent on the market. -- The following table shows the noise levels of the different models: 0.8~1.5 HP Models Sound level db(a) Sound level db(a) Models High Low High Low RPIM-1.5 33 29 RPI-3.0 35 31 RPI-1.5 34 31 RPI-4.0 37 35 RPI-2.0 33 29 RPI-5.0 39 36 RPI-2.5 35 30 RPI-6.0 40 39 Installation benefits -- Less installation space. Up to a 23% reduction of the installation space if we compare the RPI-1.5FSN1E to the new RPI-1.5FSN2E. 2~6 HP Access to power box power box 8/10 HP -- -- Equipped with drain mechanism with high pump lift. A drain pump lift of up to 850 mm from the ceiling surface is achieved by employing a drain-up mechanism with high pump lift (500 mm in the previous model). Change of inflow direction. The direction of the inlet air can be modified by changing the back cover position, as shown in the following diagrams: RPI-(2.0~6.0)FSN2E 1.5 HP Direction of air inlet (factory supplied) Optional inflowing air direction (by changing the rear cover) Rear cover Change the sides of the rear cover 46

Benefits of DC Inverter Main features of the units: RPIM-1.5FSN1E Direction of air suction supplied by the factory. 1 0.8~1.5 HP Swap the position of the front cover and the back cover Change the direction of the electrical box as shown in the figure. 2~6 HP Remove the front and back covers and the electrical box from the unit. Optional air suction 8/10 HP -- Static pressure selection. (For the RPI-0.8~6.0 FSN2E/RPIM-1.5 FSN2E units) The static pressure can be selected using the remote control switch. -- Filter servicing. Filter servicing has been improved for the RPI(M)-FSN2E unit. The filter is now accessed through the lower part of the unit. For servicing, remove the three screws of the filter support, and pull the filter downward, as shown in the diagram. 1.5 HP Pull the air filter this way Air filter fixing bar Air filter 47

Benefits of DC Inverter Main features of the units: RPK FSN2M wall type Compact design -- The RPK-FSN2M unit is very compact and stylized, giving a significant reduction in size (up to 20%) compared to other units. New FSN2M 20% Installation benefits -- The PC-ART does not need an auxiliary cable for installation. Maintenance work -- When the PC-LH3A is used the alarm signals are indicated in the "Filter" and "Timer" LEDs of the unit's casing. 48

Benefits of DC Inverter Main features of the units: RPF Floor type Compact design At a compact 220 mm deep, the RPF unit can be mounted along the wall, taking up minimum floor surface. Low height The height of the indoor unit is only 630 mm, making it ideal for perimeter-zone air conditioning. Optional location for PC-ART (RPF) The PC-ART unit can be installed underneath the plastic cover as shown in the figure below. 1 RPFI Floor-concealed type Compact design At a compact 220 mm deep, the RPFI unit can be mounted along the wall, taking up minimum floor surface. Low height The height of the indoor unit is only 630 mm, making it ideal for perimeter-zone air conditioning. Air discharge direction change The air discharge position can be changed as shown in the figure below. Air outlet area Upper front cover 49

Benefits of DC Inverter Main features of the units: 1.6.2. Outdoor units Highly efficient High efficiency refrigerant cycle HITACHI has developed a new, more efficient (three row) heat exchanger making the cooling cycle extremely efficient. -- More efficient heat exchanger with 7 mm piping. Ø 7 mm -- More efficient three-row heat exchanger. The new design maximizes the area in contact with the air. RAS-(2~6)HVRN(1)(S)(E) New exchanger Only for RAS-(5/6/10)H(V)RNSE -- Energy-saving by side flow technology. Uniform air velocity distribution by side flow technology (RAS-(8/10)HRNSE). RAS-(8/10)HRNSE 50

Benefits of DC Inverter Main features of the units: Highly efficient scroll compressor exclusive to Hitachi -- Compact design The new HITACHI DC INVERTER scroll compressor has been developed to increase efficiency, reliability and power consumption. -- High pressure shell -- It acts as an oil separator reducing the amount of oil circulating in the cooling system giving better heat exchanger efficiency. -- Motor heat is not added to the suction gas before compression, which reduces the discharge gas temperature. This is particularly important at low suction temperatures. The discharge gas cools the motor sufficiently. -- Refrigerant cannot enter the shell during the off cycle causing oil dilution and oil foaming at start up. -- New system of regulating pressure (only for RAS-4~6HVRNSE), increasing the compressor's efficiency and reliability in part load mode. This system ensures the work pressure of the compressor is always at optimum level regardless of the charge, so that the ratio between the discharge pressure (Pd) and the suction pressure (Ps) is optimum as in the following graphic: 1 New drive mechanism Oil feeding mechanism etc., Overcompression zone based on the new pressure regulation system Newlydevelopped scroll for 410A DC Inverter Motor Pd Pressure Ps Volume -- Lubrication Bearing in mind that lubrication is one of the most important factors in the service life of a compressor, HITACHI has developed a system based on the pressure differences between the suction and discharge using a secondary pump at the base of the compressor. As a result, all of the compressor's moving parts are lubricated evenly, ensuring high reliability in terms of its operating range, even at low frequencies. -- Protection against liquid return When the compressor is at rest, the moving scroll rests on the casing. When the compressor starts to run, the pressure in the chamber under the scroll builds up through two bleed holes in the medium pressure section of the compression stroke. This pressure then forces the scroll up against the housing and seals the compression chamber. If liquid returns to the compressor, the resulting increase in pressure forces the scroll downwards, breaking the seal and allowing the liquid to pass back into the compressor body, where it will boil off due to the higher temperature. 51

Efficiency Benefits of DC Inverter Main features of the units: Efficiency -- DC compressor with neodymium magnet The use of a DC compressor improves the performance at around the 30-40 Hz range where the operation time of the inverter compressor is longest. Additionally, to suppress electromagnetic noise interference and achieve low noise, the rotor has been divided into two parts and the electric pole displaced. Characteristics at low speed, which affect the annual running cost, have been significantly improved Motor de c.c. Rotor shape optimized Neodymium magnet Motor de alta eficacia (%) Motor de c.a. Reduction of the typical electromagnetic noise of the DC compressor. Increased efficiency in the complete range of rpms used rpm Compressor rotor -- New design of stator coils (only for RAS-4~6HVRNSE) The new design of the stator coils positioned to optimize the magnetic field significantly reduce heat losses, and increase the motor's efficiency at low speeds. Compressor efficiency New stator coil design Current model rpm Silent units Inverter control The inverter controls compressor speeds from 30 Hz to 115 Hz, quickly reaching the set temperature and maintaining a stable energy-saving operation, thus reducing noise since the compressor is not running continuously. Diagram of operation (in heating mode): Temperature of the room Set temperature DC INVERTER ES Machine with constant speed Time -- In the case of ES Quickly reaches the temperature set at high power, then maintains stable energy-saving operation. -- In the case of other constant speed machines: Slowly reaches the set temperature, then turns on and off repeatedly to maintain the temperature, causing uneconomical operation and power waste. Compressor (rpm) High power operation Energy saving operation Set-Free Machine with constant speeds DC INVERTER ES Time -- In existing machines with constant speed, repeated turning on and off wastes energy. 52

Benefits of DC Inverter Main features of the units: PCB of the new DC inverter New digital control of 180º PAM and new PWM -- Diagram of operation: 1 -- DC motor drive control system 30 120 60 120 Electricity Time 120 Current Voltage 180 Electricity Time 180 Current Voltage 180º RECTANGULAR WAVE PWM CONTROL Low-noise compressor The Scroll Compressor allows reduced noise and vibration through: -- Compression points evenly distributed along the compression stroke. -- Reduced number of components used -- Use of a high-pressure insulation shell Optimized rotor shape Electromagnetic For compressor motor, before changing the rotor Noise Noise Frequency (Hz) Electromagnetic noise reduced For compressor motor, after changing the rotor Frequency (Hz) 53

Benefits of DC Inverter Main features of the units: Enhanced fan motor features -- DC fan motor with outstanding efficiency The DC fan motor greatly improves efficiency compared to conventional products with AC motors. In addition, air blasts are reduced by controlling the rotation speed of the fan. Stable operation is provided against strong head winds of approximately 20 m/s on the front face of the outdoor unit. DC Motor Efficiency increased by 40% (motor power consumption halved). Motor efficiency (%) AC Motor Revolutions per Min. (rpm) New three-blade fan with lower body -- PWM (pulse width modulation) concept of speed control The switching element (a power MOSFET) switches back and forth at a frequency of several tens of khz. This controls the ON/OFF duty rate per cycle and changes the voltage applied to the fan motor to control the rotation speed. -- New fan propeller Hitachi uses high technology to achieve the lowest noise. The new fan has three blades instead of four. It is designed to have a lower body than traditional fans, and achieves surprising results, with a noise reduction of up to 4dB (A). Large range of operating possibilities The use of these machines together with CSNET-WEB can increase the performance of these installations even more by: CSNET-WEB Ability to lock functions from the central control -- Scheduled programming, which prevents these machines from running continuously in rooms which are not being used, and allows rooms to be preheated or pre-refrigerated just before being occupied. -- Limiting the set temperatures, which means that machines do not work at maximum capacity when comfort does not require it. -- Locking functions from the central control, thus avoiding incorrect or ineffective use of the units. All these and many more functions mean that the use of the installation as a whole can be optimized. And it is worth remembering that because of the wide range of indoor units you can always find the unit with the power and type of installation that best suits your needs. 54

Benefits of DC Inverter Main features of the units: 1.6.3. Complementary systems Fan units with energy recovery, KPI The new KPI units come in a wide range of models with airflows from 500 to 3,000m 3 /h, which allow a system adapted to any type of installation in accordance with its requirements. Units from 500 m³/h to 2000 m³/h perform recuperation of temperature and humidity from the inner air. On the other hand the unit of 3000 m³/h only affects the temperature. Depending the installation requirements the units from 500 m³/h to 2000 m³/h allows the user to change the heat exchanger component by one that only works over the temperature. KPI units are fitted with a highly-efficient exchanger with the following features. 1 KPI units are fitted with a highly-efficient exchanger with the following features: -- Fresh air supply for indoor environments. -- Heat transfer from the new air to the discharged air in summer, and the other way around in the winter. -- New air filter. -- As a consequence of the humidity exchanger during summer period, the power consumption of the air conditioner system can be reduced at most in 20%. Operation in winter Operation in summer Air supply Air supply Exhaust air Outdoor fresh air Exhaust air Heat exchanger Exhaust air Supply air Return air Humidity transfer (KPI-(502~2002)E1E units) Heat transfer Wide range of units: -- KPI models with energy recovery: Model Flow (m³/h) Temperature Exchange Efficiency KPI-502E1E 500 75 KPI-802E1E 800 75 KPI-1002E1E 1,000 78 KPI-1502E1E 1,500 78 Operation in winter Air supply Humidity transfer Heat transfer Expelled air Air supply Operation in summer Expelled air KPI-2002E1E 2,000 78 -- KPI models with heat recovery: Model Flow (m³/h) Temperature Exchange Efficiency Operation in winter Air supply Operation in summer Air supply KPI-3002H1E 3,000 54 Heat transfer Expelled air Expelled air 55

Benefits of DC Inverter Main features of the units: Flexibility (KPI-(502~2002)E1E units) By just swapping the exchanger one can change from an energy recovery unit to a heat recovery unit, depending on the type of installation. Heat recovery exchanger Different operating modes Energy recovery exchanger Unit KPI-3002H1E always perform the exchange between both streams under any working condition. On the other hand units from 500 m³/h to 2000 m³/h allow the user to choose between different ventilation modes: Forced exchange ventilation, forced free ventilation and automatic ventilation mode. -- Heat exchange mode Under any working conditions, the inlet and outlet stream cross the heat exchanger performing energy transfer between both of them. The exchanger can be of humidity or of humidity and temperature at the same time. The exchange efficiency can reach even to 80%. OA (outside air) Temperature: 32.0ºC RH: 70% Absolute humidity: 0,0465 lb/kg Enthalpy: 86.2kJ/kg EA (expelled air) RA (return air) Temperature: 26.0ºC RH: 50% Absolute humidity: 0,0231lb/kg Enthalpy: 52.9kJ/kg SA (supply air) Temperature: 27.5ºC RH: 63% Absolute humidity: 0.0145kg/kg Enthalpy: 64.7kJ/kg (*) Exemple of working in cooling mode -- Ventilation Mode Air returned from the indoor side is exhausted without heat exchange. Outside air attenuator SA RA EA OA NOTES: OA: Outdoor fresh air EA: Expelled air SA: Air supplied RA: Return air 56

Benefits of DC Inverter Main features of the units: 525mm -- Automatic Ventilation When the unit is set in automatic ventilation mode, is the control itself who decide if the best option is to perform heat exchange or if on the other hand is better a free ventilation mode. The variables used by the control are the outdoor temperature, the indoor temperature and also the temperature set by the user. The target is always to have the maximum comfort with the minimum power consumption. Features -- Low noise level: Only the fans move. -- Compact (KPI-(1502/2002)E1E units): The slim design of the KPI units make them the most compact in their category. Their lightweightness and height make transport easier and mean that less room and time are required for installation, since they can be positioned underneath a suspended ceiling without difficulty, just like any other indoor unit. -- Heat exchanger: The heat exchangers have been designed using highly permeable materials, which allows a considerable and/or latent heat exchange between the inside and outside air, ensuring that the two do not mix. -- Easy installation: HITACHI's KPI units are installed safely and easily, since they have 4 fastening hooks that allow straightforward and safe installation. The ducts are adjusted using a flange that allows them to be moved easily and safely. The fastening system is shown below: 1 KPI units Anchor bolt Lock nut Washer Rubber insulation Example: KPI-(502~2002)E1E -- Carefree maintenance: The key components of HITACHI's KPI units can be accessed easily, through hatches on the sides and lower parts of the machine. These components include the exchanger, power box and fans. 57

Benefits of DC Inverter Main features of the units: Econofresh kit The new Econofresh kit is an intelligent accessory device that is easily installed. It renews room air and saves energy. No refrigerant cycle is required. A direct RPI-5HP unit return duct connection is used instead. The Econofresh kit can provide up to 100% fresh air and has the ability to provide free cooling through the damper when the outdoor temperature is below the indoor set temperature. This system will not only maintain the correct room temperature and provide fresh air, but also natural cooling. It therefore increases energy savings. Return air duct RPI unit Econofresh kit NOTE: If the outdoor air temperature is lower than 3 ºC, the fresh outdoor air rate will decrease. Damper air-flow control provides comfortable cooling. A micro-computer controls the angle of the damper according to both room air temperature and outdoor temperature to adjust the fresh air flow, thus keeping the room temperature constant. Fresh air duct Operation mode Fresh air cooling during intermediate seasons saves energy. This unit uses an economizer for cooling, which takes in fresh air if the outdoor temperature is cooler than the indoor air, as shown in the graph below. In this situation, no compressor is used and thus a remarkable amount of energy is saved. Graph example of cold region temperature: Time (h) / year 250 200 150 100 50 The compressor stops during cooling 0 operation -10 0 10 20 30 40 Outdoor temp (ºC) The power consumption is reduced by more than 20% during operating mode with cooling by using the Econofresh kit + RPI-5.0FSN2E. -- Fresh clean air revives your room A fresh air intake system keeps the air in a room always clean. The optional CO 2 sensor can sense the degree of pollution of the air in the room and automatically control the fresh air flow. 58

General data 2. General data This section offers a summary of the most important general data of the indoor, outdoor and complementary units of the UTOPIA DC-INVERTER ES Series. Contents 2. General data...59 2.1. General data for indoor units... 60 2.1.1. RCI 4-way cassette type... 60 2.1.2. RCIM 4-way mini cassette type... 61 2.1.3. RCD 2-way cassette type... 62 2.1.4. RPC Ceiling type... 63 2.1.5. RPI In-the-ceiling type... 64 2.1.6. RPIM In-the-ceiling type... 66 2.1.7. RPK Wall type... 67 2.1.8. RPF and RPFI Floor type and floor-concealed type... 68 2.2. General data for Outdoor Units... 69 2.2.1. RAS Outdoor Units... 69 2.3. Complementary systems... 72 2.3.1. KPI - Energy recovery ventilation units... 72 2.3.2. Econofresh kit... 73 2.4. Component data... 73 2.4.1. Fan and exchanger of indoor units... 73 2.4.2. Fan and exchanger of outdoor units... 78 2.4.3. Compressor... 79 2 59

General data 2.1. General data for indoor units 2.1.1. RCI 4-way cassette type RCI MODEL RCI-1.5 FSN2E RCI-2.0 FSN2E RCI-2.5 FSN2E RCI-3.0 FSN2E RCI-4.0 FSN2E RCI-5.0 FSN2E RCI-6.0 FSN2E Electrical power supply Nominal cooling capacity Nominal heating capacity Air flow rate (Hi/Me/Lo) 1~230V, 50 Hz kw 3.6 5.0 6.3 7.1 10.0 12.5 14.0 kw 4.0 5.6 7.0 8.0 11.2 14.0 16.0 m 3 /min 15/14/12 16/14/12 20/17/15 26/23/20 32/28/24 34/29/25 37/32/27 Electrical power of fan W 56 56 56 56 108 108 108 Sound pressure level (Hi/Me/Lo) db(a) 32/30/28 32/30/28 32/30/28 34/32/30 38/35/33 39/37/35 42/40/36 Sound power level db(a) 46 46 46 48 52 53 56 External dimensions Height mm 248 248 248 298 298 298 298 Width mm 840 840 840 840 840 840 840 Depth mm 840 840 840 840 840 840 840 Net weight Kg 23 24 24 26 29 29 29 Refrigerant R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection Flare-nut connection (with flare nuts) Size Liquid Piping mm (in) ø6.35 (1/4) ø6.35 (1/4) ø9.53 (3/8) ø9.53 (3/8) ø9.53 (3/8) ø9.53 (3/8) ø9.53 (3/8) Gas piping mm (in) ø12.7 (1/2) ø15.88 (5/8) ø15.88 (5/8) ø15.88 (5/8) ø15.88 (5/8) ø15.88 (5/8) ø15.88 (5/8) Condensate drain connection mm ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD Maximum electrical power consumption A 5 5 5 5 5 5 5 Packaging measurements m 3 0.22 0.22 0.22 0.26 0.26 0.26 0.26 Adaptable air panel model - P-N23WA Color (Munsell code) - Spring white (4.1Y8.5 / 0.7) External dimensions Height mm 37 37 37 37 37 37 37 Width mm 950 950 950 950 950 950 950 Depth mm 950 950 950 950 950 950 950 Net weight Kg 6 6 6 6 6 6 6 Packaging measurements m 3 0.08 0.08 0.08 0.08 0.08 0.08 0.08 Remote control - PC-ART OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Panel P-N23WA is equipped with an automatic swing louver system. 4. Refer to chapter 4 Combinability for details about the capacities of the indoor units. 60

General data 2.1.2. RCIM 4-way mini cassette type RCIM MODEL RCIM-1.5FSN2 RCIM-2.0FSN2 Electrical power supply 1~230V, 50 Hz Nominal cooling capacity kw 3.6 5.0 Nominal heating capacity kw 4.0 5.6 Air flow rate (Hi/Me/Lo) m 3 /min 15/13.5/12 16/14/12 Electrical power of fan W 52 52 2 Sound pressure level (Hi/Me/Lo) db(a) 38/35/33 42/39/37 Sound power level db(a) 62 62 External dimensions Height mm 295 295 Width mm 570 570 Depth mm 570 570 Net weight Kg 17 17 Refrigerant - R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection - Flare-nut connection (with flare nuts) Size Liquid piping mm (in) ø6.35 (1/4) ø6.35 (1/4) Gas piping mm (in) ø12.7 (1/2) ø15.88 (5/8) Condensate drain connection mm ø32 OD ø32 OD Maximum electrical power consumption A 5 5 Packaging measurements m 3 0.13 0.13 Adaptable air panel model - P-N23WAM Color (Munsell code) - Plaster white (4.1Y8.5 / 0.7) External dimensions Height mm 35 35 Width mm 700 700 Depth mm 700 700 Net weight Kg 3.5 3.5 Packaging measurements m 3 0.07 0.07 Remote control - PC-ART OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Panel P-N23WAM is equipped with an automatic swing louver system. 4. Refer to chapter 4 Combinability for details about the capacities of the indoor units. 61

General data 2.1.3. RCD 2-way cassette type RCD MODEL RCD-1.5 FSN2 RCD-2.0 FSN2 RCD-2.5 FSN2 RCD-3.0 FSN2 RCD-4.0 FSN2 RCD-5.0 FSN2 Electrical power supply 1~230V, 50 Hz Nominal cooling capacity kw 3.6 5.0 6.3 7.1 10.0 12.5 Nominal heating capacity kw 4.0 5.6 7.0 8.0 11.2 14.0 Air flow rate (Hi/Me/Lo) m 3 /min 13/11/9 15/13/11 19/16/14 19/16/14 28/24/21 34/29/25 Electrical power of fan W 35 35 55 55 35x2 55x2 Sound pressure level (Hi/Me/Lo) db(a) 35/32/30 35/32/30 38/34/31 38/34/31 40/36/33 43/40/36 Sound power level db(a) 49 49 52 52 54 62 External dimensions Height mm 298 298 298 298 298 298 Width mm 860 860 860 860 1420 1420 Depth mm 620 620 620 620 620 620 Net weight Kg 27 27 30 30 48 48 Refrigerant - R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection - Flare-nut connection (with flare nuts) Size Liquid piping Gas piping mm (in) mm (in) Ø6.35 (1/4) Ø12.7 (1/2) Ø6.35 (1/4) Ø15.88 (5/8) Ø9.53 (3/8) Ø15.88 (5/8) Ø9.53 (3/8) Ø15.88 (5/8) Ø9.53 (3/8) Ø15.88 (5/8) Ø9.53 (3/8) Ø15.88 (5/8) Condensate drain connection mm Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Maximum electrical power consumption A 5 5 5 5 5 5 Packaging measurements m 3 0.23 0.23 0.23 0.23 0.37 0.37 Standard accessories - Suspension brackets Adaptable air panel model - P-N23DWA P-N46DWA Color (Munsell code) - Silky white External dimensions Height mm 30+10 30+10 30+10 30+10 30+10 30+10 Width mm 1100 1100 1100 1100 1660 1660 Depth mm 710 710 710 710 710 710 Net weight Kg 6 6 6 6 8 8 Packaging measurements m 3 0.10 0.10 0.10 0.10 0.15 0.15 Remote control - PC-ART OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Panels P-N23DWA and P-N46DWA are equipped with an automatic swing louver system. 4. Refer to chapter 4 Combinability for details about the capacities of the indoor units. 62

General data 2.1.4. RPC Ceiling type RPC MODEL RPC-2.0 FSN2E RPC-2.5 FSN2E RPC-3.0 FSN2E RPC-4.0 FSN2E RPC-5.0 FSN2E RPC-6.0 FSN2E Electrical power supply 1~230V, 50 Hz Nominal cooling capacity kw 5.0 6.3 7.1 10.0 12.5 14.0 Nominal heating capacity kw 5.6 7.0 8.0 11.2 14.0 16.0 Air flow rate (Hi/Me/Lo) m 3 /min 15/13/10 18/16/12 21/17/15 30/24/19 35/28/21 37/32/27 2 Electrical power of fan W 75 75 75 145 145 145 Sound pressure level (Hi/Me/Lo) db(a) 44/42/38 46/43/41 48/45/42 49/45/39 49/46/41 50/48/44 Sound power level db(a) 61 63 65 65 63 66 External dimensions Height mm 163 163 163 225 225 225 Width mm 1094 1314 1 314 1314 1574 1574 Depth mm 625 625 625 625 625 625 Net weight Kg 28 31 31 35 41 41 Color (Munsell code) Spring white (4.1Y 8.5 / 0.7) Refrigerant Refrigerant piping connection R410A (nitrogen loaded in factory for corrosion-resistance) Flare-nut connection (with flare nuts) Size Liquid piping mm (in) Ø6.35 (1/4) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Gas piping mm (in) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Condensate drain connection mm Ø25 OD Ø25 OD Ø25 OD Ø25 OD Ø25 OD Ø25 OD Maximum electrical power consumption A 5 5 5 5 5 5 Packaging measurements m 3 0.24 0.29 0.29 0.36 0.43 0.43 Remote control - PC-ART OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1 meter beneath the unit. 1 meter from the impulse louver -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Refer to chapter 4 Combinability for details about the capacities of the indoor units. 63

General data 2.1.5. RPI In-the-ceiling type RPI-(1.5~6.0)FSN2E RPI MODEL Electrical power supply RPI-1.5 FSN2E RPI-2.0 FSN2E RPI-2.5 FSN2E RPI-3.0 FSN2E 1~230V, 50 Hz RPI-4.0 FSN2E RPI-5.0 FSN2E Nominal cooling capacity kw 3.6 5.0 6.3 7.1 10.0 12.5 14.0 Nominal heating capacity kw 4.0 5.6 7.0 8.0 11.2 14.0 16.0 RPI-6.0 FSN2E Air flow rate (Hi/Me/Lo) to (SP-00) m³/min 10/10/9 16/15/13 19/17/15 22/20/17 30/28/25 35/32/28 36/33/29 Static pressure (Hi) to (SP-01/SP-00/SP-02) Pa 45/25/25 80/50/25 80/50/25 120/80/40 120/80/25 120/80/25 120/80/25 Electrical power of fan W 40 50 50 215 200 215 365 Sound pressure level (Hi/Me/Lo) to (SP-00) db(a) 34/34/31 33/31/29 35/33/30 35/35/31 37/36/35 39/38/36 40/39/38 Sound power level db(a) 56 59 60 60 62 63 64 External dimensions Height mm 197 275 275 275 275 275 275 Width mm 1084 1084 1084 1084 1474 1474 1474 Depth mm 600 600 600 600 600 600 600 Net weight Kg 29.5 35 37 37 48 49 49 Refrigerant - R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection - Flare-nut connection (with flare nuts) Size Liquid piping Gas piping mm (in.) mm (in.) ø6.35 (1/4) ø12.7 (1/2) ø6.35 (1/4) ø15.88 (5/8) ø9.53 (3/8) ø15.88 (5/8) ø9.53 (3/8) ø15.88 (5/8) ø9.53 (3/8) ø15.88 (5/8) ø9.53 (3/8) ø15.88 (5/8) ø9.53 (3/8) ø15.88 (5/8) Condensate drain connection mm ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD ø32 OD Maximum electrical power consumption A 5 5 5 5 5 5 5 Packaging measurements m³ 0.18 0.25 0.25 0.25 0.33 0.33 0.33 Standard accessories - Air filter, drain pump Remote control - PC-ART NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; piping height: 0 meters DB: Dry Bulb; WB: Wet Bulb OD: Outer diameter SP: Static pressure 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit (no ceiling under the unit), 1 m from suction duct and 2 m from discharge duct. -- Voltage of the power source is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 64

General data RPI-(8.0/10.0)FSN2E RPI MODEL RPI-8.0FSN2E RPI-10.0FSN2E Electric power supply 1~230V. 50Hz Nominal cooling capacity kw 20.0 25.0 Nominal heating capacity kw 22.4 28.0 Airflow rate (Hi/Me/Lo) (LSP) m³/min 66/66/59 75/75/68 Static pressure (Hi) to (SP-01/SP-00/SP-02) Pa 220/180/- 220/180/- Electrical power of fan W 1250 1250 Sound pressure level (Hi/Me/Lo) (SP-00) db(a) 54/54/51 55/55/52 Sound power level db(a) 73 74 2 External dimensions Height mm 423 423 Width mm 1.592 1.592 Depth mm 600 600 Net weight Kg 85 87 Refrigerant - R410A (nitrogen charged in factory for corrosion-resistance) Refrigerant pipe connection - Brazed connection Size Liquid piping Gas piping mm (in) mm (in) Ø9.53 (3/8) Ø19.05 (*1) (3/4) Ø9.53 (*2) (3/8) Ø22.2 (*1) (7/8) Condensate drain connection mm Ø25 OD Ø25 OD Maximum electrical power consumption A 10 10 Packaging measurements m³ 0.68 0.68 Standard accessories - Air filter Remote control switch - PC-ART OD: Outer Diameter (*1) : Factory supplied pipe adapter to Ø25.4 (DC INVERTER system) factory supplied with the indoor unit. (*2) : Pipe adapter to Ø12.7 is factory supplied with the indoor unit. : SP: Static Pressure NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on EN14511. Operating Conditions Cooling Heating Indoor air inlet temperature Outdoor air inlet temperature DB 27.0 C 20.0 C WB 19.0 C DB 35.0 C 7.0 C WB 6.0 C Piping length: 7.5 meters; piping height: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on following conditions: -- 1.5 meters beneath the unit (no ceiling under the unit). 1m from suction duct and 2m from discharge duct. -- Voltage of the power source is 230V. The above was measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 65

General data 2.1.6. RPIM In-the-ceiling type RPIM MODEL RPIM-1.5FSN2E Electrical power supply 1~230V, 50 Hz Nominal cooling capacity kw 3.6 Nominal heating capacity kw 4.0 Air flow rate (Hi/Me/Lo) (SP-00) m³/min 10/10/8.5 Static pressure Hi(HSP)/Hi(LSP) Pa 45/10 Fan motor W 33 Sound pressure level (Hi/Lo) db(a) 33/29 Sound power level (Hi/Lo) db(a) 51 Height mm 275 External dimensions Width mm 702 Depth mm 600 Net weight Kg 26 Refrigerant - R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection - Flare-nut connection (with flare nuts) Size Liquid piping mm (in) Ø6.35 (1/4) Gas piping mm (in) Ø12.7 (1/2) Condensate drain connection mm Ø25 OD Maximum current A 5.0 Packaging measurements m³ 0.17 Standard accessories - Air filter Remote control - PC-ART OD: Outer diameter SP: Static pressure NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; piping height: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit (no ceiling under the unit), 1 m from suction duct and 2 m from discharge duct. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 66

General data 2.1.7. RPK Wall type RPK MODEL RPK-1.5FSN2M RPK-2.0FSN2M RPK-2.5FSN2M RPK-3.0FSN2M RPK-4.0FSN2M Electrical power supply 1~230V, 50 Hz Nominal cooling capacity kw 3.6 5.0 6.3 7.1 10.0 Nominal heating capacity kw 4.0 5.6 7.0 8.0 11.2 Air flow rate (Hi/Me/Lo) m³/ min 11/10/9 14/12/10 17/16/14 17/16/14 22/20/17 Electrical power of fan W 20 20 40 40 40 Sound pressure level (Hi/Me/Lo) db(a) 40/38/36 41/39/37 43/40/37 43/40/37 49/46/43 Sound power level 54 56 59 59 64 External dimensions Height mm 280 295 333 333 333 Width mm 780 1030 1150 1150 1150 Depth mm 210 208 245 245 245 Net weight Kg 10 12 18 18 18 Color (Munsell code) Pearl white Refrigerant R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection Flare-nut connection (with flare nuts) Size Liquid piping mm (in) Ø6.35 (1/4) Ø6.35 (1/4) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Gas piping mm (in) Ø12.7 (1/2) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Condensate drain connection Ø26 OD Ø26 OD Ø26 OD Ø26 OD Ø26 OD Maximum electrical power consumption A 5 5 5 5 5 Packaging measurements m³ 0.07 0.11 0.13 0.13 0.13 Standard accessories Mounting brackets Remote control PC-ART OD: Outer diameter 2? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1 meter beneath the unit. 1 meter from the impulse louver -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Refer to chapter 4 Combinability for details about the capacities of the indoor units. 67

General data 2.1.8. RPF and RPFI Floor type and floor-concealed type RPF and RPFI MODELS Electrical power supply RPF-1.5 FSN2E RPF-2.0 FSN2E RPF-2.5 FSN2E 1~230V, 50 Hz RPFI-1.5 FSN2E RPFI-2.0 FSN2E Nominal cooling capacity kw 3.6 5.0 6.3 3.6 5.0 6.3 Nominal heating capacity kw 4.0 5.6 7.0 4.0 5.6 7.0 RPFI-2.5 FSN2E Air flow rate (Hi/Me/Lo) m 3 /min 12/10/9 16/14/11 16/14/11 12/10/9 16/14/11 16/14/11 Electrical power of fan W 28 45 45 28 45 45 Sound pressure level (Hi/Me/Lo) db(a) 38/35/31 39/36/32 42/38/34 38/35/31 39/36/32 42/38/34 Sound power level db(a) 53 54 57 53 54 57 External dimensions Height mm 630 630 630 620 620 620 Width mm 1170 1420 1420 973 1223 1223 Depth mm 220 220 220 220 220 220 Net weight Kg 28 33 34 23 27 28 Color (Munsell code) - Spring white (4.1Y 8.5/0.7) Refrigerant - R410A (nitrogen loaded in factory for corrosion-resistance) Refrigerant piping connection Size Liquid Piping Gas piping mm (in) mm (in) Ø6.35 (1/4) Ø12.7 (1/2) Ø6.35 (1/4) Ø15.88 (5/8) Flare-nut connection (with flare nuts) Ø9.53 (3/8) Ø15.88 (5/8) Ø6.35 (1/4) Ø12.7 (1/2) Ø6.35 (1/4) Ø15.88 (5/8) Ø9.53 (3/8) Ø15.88 (5/8) Condensate drain connection mm Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Maximum electrical power consumption A 5 5 5 5 5 5 Packaging measurements m 3 0.24 0.29 0.29 0.23 0.25 0.25 Remote control - PC-ART OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C 2. The sound pressure level is based on the following conditions: -- 1 m from floor level 1 m from the unit front surface. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 3. Refer to chapter 4 Combinability for details about the capacities of the indoor units. Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 68

General data 2.2. General data for Outdoor Units 2.2.1. RAS Outdoor Units RAS-(2/2.5)HVRN1 RAS MODEL RAS-2HVRN1 RAS-2.5HVRN1 Electrical power supply Nominal cooling capacity (Min/Nom/Max) Nominal heating capacity (Min/Nom/Max) Energy efficiency in cooling mode (EER) Energy efficiency coefficient in heating mode (COP) 1~230V, 50 Hz kw 2.2/5.0/5.6 2.2/6.0/6.3 kw 2.2/5.6/7.1 2.2/7.0/7.1-3.97 3.28-4.75 3.80 Color (Munsell code) - Beige (5Y 7/2) Sound pressure level (night mode) db(a) 45(43) 46(44) Sound power level db(a) 63 64 External dimensions Height mm 600 600 Width mm 792 792 Depth mm 300 300 Net weight Kg 42 42 Refrigerant - R410A Flow control - Micro-computer control expansion valve Compressor - Hermetic rotary Q ty - 1 1 Power kw 0.95(4) 1.10(4) Heat exchanger Multi-pass cross-finned tube Condenser fan - Propeller fan Q ty - 1 1 Air flow rate m³/min 35 35 2 Power W 40 40 Refrigerant piping connections - Flare-nut connection (with flare nuts) Size Liquid piping mm (in) Ø6.35 (1/4) Ø6.35 (1/4) Gas piping mm (in) Ø12.7 (1/2) Ø12.7 (1/2) Refrigerant charge Kg 1.6 1.6 Maximum electrical power consumption A 13.0 16.0 Packaging measurements m³ 0.26 0.26 OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1 meter from the frontal surface of the unit. 1.5 meters from floor level. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. The sound pressure level is based on the cooling mode. In case of using heating mode, the sound pressure level increases by approximately 2 db. 3. The COP and EER have been calculated with RCI- FSN2E model indoor units 69

General data RAS-(3~6)HVRNS(E) RAS MODEL RAS-3HVRNS RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE Electrical power supply Nominal cooling capacity (Min/Nom/Max) 1~230V, 50 Hz kw 3.4/7.1/8.0 4.9/10.0/11.2 5.7/12.5/14.0 6.0/14.0/16.0 Nominal heating capacity (Min/Nom/Max) kw 3.4/8.0/9.0 5.0/11.2/12.5 6.0/14.0/16.0 6.0/16.0/18.0 Energy efficiency in cooling mode (EER) - 3.06 3.01 3.22 2.81 Energy efficiency coefficient in heating mode (COP) - 3.29 3.48 3.41 3.28 Color (Munsell code) - T Beige (5Y 7/2) Natural grey (1.0Y8.5/0.5) Sound pressure level (night mode) db(a) 48(46) 50(48) 52(50) 55(53) Sound power level db(a) 66 68 70 72 External dimensions Height mm 600 800 800 800 Width mm 792 950 950 950 Depth mm 300 370 370 370 Net weight Kg 44 81 85 85 Refrigerant - R410A Flow control - Microprocessor-controlled expansion valve Compressor - DC inverter driven Q ty - 1 1 1 1 Power kw 1.30 2.20 3.00 3.00 Heat exchanger - Multi-pass cross-finned tube Condenser fan - Propeller fan Q ty - 1 1 1 1 Air flow rate m³/min 41 62 80 80 Power W 40 70 170 170 Refrigerant piping connections - Flare-nut connection (factory supplied) Size Liquid piping mm (in) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Gas piping mm (in) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Refrigerant charge Kg 1.90 2.80 3.30 3.30 Maximum electrical power consumption A 18.0 24.0 26.0 26.0 Packaging measurements m³ 0.26 0.43 0.43 0.43 OD: Outer diameter? NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511 Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb 2. The sound pressure level is based on the following conditions: -- 1 meter from the frontal surface of the unit. 1.5 meters from floor level. -- Power supply voltage is 230 V. The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. The sound pressure level is based on the cooling mode. In case of using heating mode, the sound pressure level increases by approximately 2 db. 3. The COP and EER have been calculated with RCI-FSN2E model indoor units. 70

General data RAS-(8/10)HRNSE RAS MODEL RAS-8HRNSE RAS-10HRNSE Electrical power supply Nominal cooling capacity (Min/Nom/Max) Nominal heating capacity (Min/Nom/Max) Energy efficiency in cooling mode (EER) 3~400V, 50 Hz kw 9.0/20.0/22.4 11.2/25.0/28.0 kw 8.3/22.4/25.0 9.0/28.0/31.5-3.01 2.81 2 Energy efficiency coefficient in heating mode (COP) - 3.52 3.21 Color (Munsell code) - Natural Grey (1.0Y8.5/0.5) Sound pressure level (night mode) db(a) 53(51) 60(56) Sound power level db(a) 71 78 External dimensions Height mm 1380 1380 Width mm 950 950 Depth mm 370 370 Net weight Kg 135 141 Refrigerant - R410A Flow control - Microprocessor-controlled expansion valve Compressor - Hermetic (scroll) Q ty - 1 1 Power kw 4.00 5.80 Heat exchanger Multi-pass cross-finned tube Condenser fan - Propeller fan Q ty - 1+1 1+1 Air flow rate m³/min 127 146 Power W 170+120 170+170 Refrigerant piping connections Flare-nut connection Size Liquid Piping mm (in) Ø9.53 (3/8) Ø9.53(*) (3/8) Gas piping mm (in) Ø25.4 (1) Ø25.4 (1) Refrigerant charge Kg 6.0 6.2 Maximum electrical power consumption A 20.0 23.0 Packaging measurements m³ 0.71 0.71 OD: Outer diameter 2. The sound pressure level is based on the following? NOTE: conditions: 1. The nominal cooling and heating capacity is the -- 1 meter from the frontal surface of the unit. combined capacity of the UTOPIA DC INVERTER system and is based on the EN14511 -- 1.5 meters from floor level. Power supply voltage is 400 V. Operating conditions Cooling Heating Indoor air inlet DB 27.0 C 20.0 C temperature WB 19.0 C Outdoor air inlet DB 35.0 C 7.0 C temperature WB 6.0 C Piping length: 7.5 meters; Piping lift: 0 meters DB: Dry Bulb; WB: Wet Bulb The above data were measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. The sound pressure level is based on the cooling mode. In case of using heating mode, the sound pressure level increases by approximately 2 db. 3. The COP and EER have been calculated with RCI- FSN2E model indoor units (*) In case of a piping length of 30 m or longer, Ø12.7mm (1/2) pipe is required. 71

General data 2.3. Complementary systems 2.3.1. KPI - Energy recovery ventilation units KPI MODEL KPI-502E1E KPI-802E1E KPI-1002E1E KPI-1502E1E KPI-2002E1E KPI-3002H1E Hi 500 800 1000 1500 2000 3000 Air flow rate Med m³/h 480 740 960 1440 1920 2870 Low 450 680 900 1320 1780 2750 Hi 90 90 150 150 160 120 External pressure Med Pa 85 80 140 135 145 110 Low 75 65 120 110 125 110 Temperature exchange Hi % 75 75 78 78 78 54 efficiency Enthalpy exchange efficiency for Hi % 65 67 68 68 66.5 46 heating Enthalpy exchange efficiency for Hi % 60 61 62 62.5 61.5 46 cooling Sound pressure level Hi db(a) 38 39 40 42 44 45 Sound power level Hi db(a) 52 54 55 59 63 64 Height 330 385 385 525 525 650 External dimensions Width mm 1130 1210 1650 1800 1800 1245 Depth 925 1015 1215 1130 1430 2124 Net weight Kg 53 62 99 113 135 209 Packaging measurements m 3 0.34 0.47 0.85 1.07 1.35 1.72 Fan - Q ty - 2 2 2 2 2 2 Type - Multi-blade turbo fan (steel) Power W 135+135 155+155 380+380 490+490 490+490 680+680? NOTE: 1. The exchange efficiency is based on the EN14511 standard. Operating conditions Cooling Heating Indoor air inlet temperature Outdoor air inlet temperature DB: Dry Bulb; WB: Wet Bulb DB 27.0 C 20.0 C WB 19.0 C DB 35.0 C 7.0 C WB 6.0 C 2. The sound pressure level is based on the following conditions: -- 1.5 meters beneath the unit (no ceiling under the unit), 1 m from suction duct and 2 m from discharge duct. -- Power supply voltage is 230 V. 3. The above was measured in an anechoic chamber, so reflected sound should be taken into consideration when installing the unit. 72

General data 2.3.2. Econofresh kit OD ECONOFRESH KIT MODEL EF-5NE Combined indoor unit model - RPI-5.0FSN2E Height 254 External dimensions Width mm 1350+59 Depth 270 Net weight Kg 12.5 Nº of damper motors - 1 Approximate packing measurements m 3 0.13 Standard accessories - Fresh outdoor air inlet thermistor 2 2.4. Component data The component data indicated are the following: Indoor unit heat exchanger and fan unit: -- RCI - 4-way cassette type -- RCIM - 4-way cassette type -- RCD - 2-way cassette type -- RPC - Ceiling type -- RPI - In-the-ceiling type -- RPIM - In-the-ceiling type -- RPK - Wall type -- RPF - Floor type -- RPFI - Floor-concealed type Heat exchanger Fan unit Outdoor unit: Heat exchanger. fan unit and compressor 2.4.1. Fan and exchanger of indoor units RCI 4-way cassette type RCI MODEL RCI-1.5 FSN2E RCI-2.0 FSN2E RCI-2.5 FSN2E RCI-3.0 FSN2E RCI-4.0 FSN2E RCI-5.0 FSN2E RCI-6.0 FSN2E Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Outer diameter Ø mm 7 7 7 7 7 7 7 Piping Rows - 2 2 2 2 3 3 3 Number of tubes/ coil - 8 16 16 20 30 30 30 Fin Material - Aluminum Pitch mm 1.5 1.5 1.5 1.5 1.5 1.5 1.5 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.38 0.38 0.38 0.47 0.47 0.47 0.47 Number of coils/unit - 1 1 1 1 1 1 1 Type Multi-blade turbo fan Number/unit - 1 1 1 1 1 1 1 Fan Outer diameter mm 490 490 490 490 490 490 490 Nominal air flow (Hi/Me/Lo) m 3 /min 15/14/12 16/14/12 20/17/15 26/23/20 32/28/24 34/29/25 37/32/27 Type - Drip-proof enclosure Motor Starting method - DC control Power W 56 56 56 56 108 108 108 Q ty - 1 1 1 1 1 1 1 Insulation class - E E E E E E E 73

General data RCIM 4-way cassette type RCIM model RCIM-1.5FSN2 RCIM-2.0FSN2 Heat exchanger Fan unit Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 7 7 Rows - 2 2 Number of tubes/coil - 14 14 Fin Material Aluminum Pitch mm 1.5 1.5 Maximum operating pressure MPa 4.15 4.15 Total area of front m² 0.19 0.19 Number of coils/unit - 1 1 Type Multi-blade turbo fan Number/unit - 1 1 Fan Outer diameter mm 298 298 Nominal air flow (Hi/Me/Lo) m 3 /min 15/13.5/12 16/14/12 Type Drip-proof enclosure Starting method DC control Motor Power W 52 52 Q ty - 1 1 Insulation class - E E RCD 2-way cassette type Heat exchanger Fan unit RCD model RCD-1.5 FSN2 RCD-2.0 FSN2 RCD-2.5 FSN2 RCD-3.0 FSN2 Heat exchanger type - Multi-pass cross-finned tube RCD-4.0 FSN2 RCD-5.0 FSN2 Material - Copper piping Piping Outer diameter Ø mm 7 7 7 7 7 7 Rows - 2 2 2 2 2 2 Fin Material - Aluminum Pitch mm 1.6 1.6 1.6 1.6 1.6 1.6 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.36 0.36 0.36 0.63 0.63 0.63 Number of coils/unit - 1 1 1 1 1 1 Type - Multi-blade turbo fan Number/unit - 1 1 1 2 2 2 Fan Outer diameter mm 360 360 360 360 360 360 Air flow rate (Hi/Me/Lo) m 3 /min 13/11/9 15/13/11 19/16/14 19/16/14 28/24/21 34/29/25 Type - Drip-proof enclosure Starting method - DC control Motor Power W 35 55 55 55 35x2 55x2 Q ty - 1 1 1 1 2 2 Insulation class - E E E E E E 74

General data RPC Ceiling type Heat exchanger Fan unit RPC model RPC-2.0 FSN2E RPC-2.5 FSN2E RPC-3.0 FSN2E RPC-4.0 FSN2E RPC-5.0 FSN2E RPC-6.0 FSN2E Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 7 7 7 7 7 7 Rows - 3 3 3 3 3 3 Number of tubes/coil - 26 26 26 40 40 40 Fin Material - Aluminum Pitch mm 1.8 1.8 1.8 1.6 1.6 1.6 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.14 0.18 0.18 0.27 0.34 0.34 Number of coils/unit - 1 1 1 1 1 1 Type - Multi-blade centrifugal fan Number/unit - 3 3 4 3 4 4 Fan Outer diameter Ø mm 101 101 101 136 136 136 Motor Flow (Hi/Me/Lo) m 3 / min 15/13/10 18/16/12 21/17/15 30/24/19 35/28/21 37/32/37 Type - Drip-proof enclosure Starting method - Permanent condenser Power W 75 75 75 145 145 145 Q ty - 1 1 1 1 1 1 Insulation class - B B B B B B 2 RPI In-the-ceiling type (RPI-(1.5~6.0)FSN2E) Heat exchanger RPI model RPI-1.5 FSN2E RPI-2.0 FSN2E RPI-2.5 FSN2E RPI-3.0 FSN2E RPI-4.0 FSN2E RPI-5.0 FSN2E RPI-6.0 FSN2E Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 7 7 7 7 7 7 7 Rows - 2 2 3 3 3 3 3 Number of tubes/coil - 24 24 36 36 36 36 48 Fin Material - Aluminum Pitch mm 1.9 1.9 1.9 1.9 1.9 1.9 1.9 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.12 0.21 0.21 0.30 0.30 0.30 0.30 Number of coils/unit - 1 1 1 1 1 1 1 Type - Multi-blade centrifugal fan Fan Number/unit - 1 2 2 2 2 2 2 Outer diameter Ø mm 136 180 180 180 180 180 180 Fan unit Air flow rate (Hi/Me/Lo) m³/min 10/10/9 16/15/13 19/17/15 22/20/17 30/28/25 35/32/28 36/33/29 Type - Drip-proof enclosure Starting method - Permanent condenser Motor Power W 40 50 50 215 200 215 365 Q ty - 1 1 1 1 1 1 1 Insulation class - B B B F B B F 75

General data RPI In-the-ceiling type (RPI-8.0~10.0FSN2E) RPI model RPI-8.0FSN2E RPI-10.0FSN2E Heat exchanger Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Outer Liquid 9.53 9.53 Ø mm Piping diameter Gas 19.05 22.2 Rows - 3 4 Number of tubes/coil - 60 80 Fin Material - Aluminium Pitch mm 1.8 1.8 Maximum operating pressure MPa 4.15 4.15 Total area of front m² 0.6 0.6 Number of coils/unit - 1 1 Type - Multi-blade centrifugal fan Fan unit Fan Number/unit - 2 2 Outer diameter Ø mm 240 240 Air flow rate (Hi/Me/Lo) m³/min 66/66/59 75/75/68 Type - Drip-proof enclosure Starting method - Permanent condenser Motor Power W 1250 1250 Q ty - 1 1 Insulation class - F F RPIM In-the-ceiling type (RPIM-1.5FSN2E) Heat exchanger Fan unit RPIM Model RPIM-1.5 FSN2E Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Outer diameter Ø mm 7.00 Piping Rows - 2 Number of tubes/ coil - 24 Fin Material - Aluminum Pitch mm 1.9 Maximum operating pressure MPa 4.15 Total area of front m² 0.12 Number of coils/unit - 0.6 Type - Multi-blade centrifugal fan Number/unit - 1 Fan Outer diameter Ø mm 185 Air flow rate (Hi/Me/Lo) m 3 /min 10/10/8.5 Type - Drip-proof enclosure Motor Starting method - Permanent condenser Power W 33 Q ty - 1 Insulation class - B 76

General data RPK Wall type Heat exchanger Fan unit RPK model RPK-1.5FSN2M RPK-2.0FSN2M RPK-2.5FSN2M RPK-3.0FSN2M RPK-4.0FSN2M Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 7 7 7 7 7 Rows - 2 2 2 2 2 Fin Material - Aluminum Pitch mm 1.3 1.2 1.4 1.4 1.4 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.20 0.26 0.35 0.35 0.35 Number of coils/unit - 1 1 1 1 1 Fan Motor Type - Tangential fan Number/unit - 1 1 1 1 1 Outer diameter Ø mm 100 100 130 130 130 Air flow rate (Hi/Me/Lo) m 3 /min 11/10/9 14/12/10 17/16/14 17/16/14 22/20/17 Type - Drip-proof enclosure Starting method - DC control Power W 20 20 40 40 40 Q ty - 1 1 1 1 1 Insulation class - E E E E E 2 RPF - Floor type and RPFI - Floor-concealed type Heat exchanger Fan unit RPF and RPFI model RPF-1.5 FSN2E RPF-2.0 FSN2E RPF-2.5 FSN2E RPFI-1.5 FSN2E RPFI-2.0 FSN2E RPFI-2.5 FSN2E Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Outer diameter Ø mm 7 7 7 7 7 7 Piping Rows - 2 3 3 2 3 3 Number of tubes/coil - 24 24 36 24 24 36 Fin Material - Aluminum Pitch mm 1.8 1.8 1.8 1.8 1.8 1.8 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 4.15 4.15 Total area of front m² 0.16 0.22 0.22 0.16 0.22 0.22 Number of coils/unit - 1 1 1 1 1 1 Type - Multi-blade centrifugal fan Number/unit - 2 2 2 2 2 2 Fan Outer diameter Ø mm 136 136 136 136 136 136 Air flow rate (Hi/Me/Lo) m 3 /min 12/10/9 16/14/11 16/14/11 12/10/9 16/14/11 16/14/11 Type - Drip-proof enclosure Starting method - Permanent condenser Motor Power W 28 45 45 28 45 45 Q ty - 1 1 1 1 1 1 Insulation class - B B B B B B 77

General data 2.4.2. Fan and exchanger of outdoor units RAS-(2~2.5)HVRN1 Outdoor unit model RAS-2HVRN1 RAS-2.5HVRN1 Heat exchanger Fan unit Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 8 8 Rows - 2 2 Number of tubes/coil - 44 44 Fin Material - Aluminum Pitch mm 1.45 1.45 Maximum operating pressure MPa 4.15 4.15 Total area of front m² 0.47 0.47 Number of coils/unit - 1 1 Type - Multi-blade centrifugal fan Number/unit - 1 1 Fan Outer diameter mm 449 449 Revolutions rpm 850 850 Nominal air flow/fan m 3 /min 35 35 Type - Drip-proof enclosure Starting method - DC control Motor Power W 40 40 Q ty - 1 1 Insulation class - E E Compressor - EU1114D6 EU1114D6 RAS-(3~6)HVRNS(E) Outdoor unit model RAS-3HVRNS RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE Heat exchanger Fan unit Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 8 7 7 7 Rows - 2 3 3 3 Number of tubes/coil - 44 114 114 114 Fin Material - Aluminum Pitch mm 1.4 1.9 1.9 1.9 Maximum operating pressure MPa 4.15 4.15 4.15 4.15 Total area of front m² 0.47 0.76 1.28 1.28 Number of coils/unit - 1 1 1 1 Type - Multi-blade centrifugal fan Number/unit - 1 1 1 1 Fan Outer diameter mm 449 465 465 465 Revolutions rpm 850 625 700 820 Nominal air flow/fan m 3 /min 45 62 68 80 Type - Drip-proof enclosure Starting method - DC control Motor Power W 40 70 170 170 Q ty - 1 1 1 1 Insulation class - E E E E Compressor - EU-1318D6 E-306AHD-27A2 E-406AHD-36A2 E-406AHD-36A2 78

General data Heat exchanger Fan unit RAS-(8~10)HRNSE Outdoor unit model RAS-8HRNSE RAS-10HRNSE Heat exchanger type - Multi-pass cross-finned tube Material - Copper piping Piping Outer diameter Ø mm 7.0 7.0 Rows - 2 3 Number of tubes/coil - 66 99 Fin Material - Aluminum Pitch mm 1.9 1.9 Maximum operating pressure MPa 4.15 4.15 Total area of front m² 1.36 1.36 Number of coils/unit - 1 1 Type - Propeller fan Number/unit - 2 2 Fan Outer diameter mm 544 544 Revolutions rpm 560+740 820+850 Nominal air flow/fan m 3 /min 127 146 Type - Drip-proof enclosure Starting method - Permanent split capacitor Motor Power W 170+120 170+170 Q ty - 2 2 Insulation class - E E Compressor - E655DHD-65D2 E655DHD-65D2 2 2.4.3. Compressor Model EU1318D6 EU1114D6 2YC45DXD E-306AHD-27A2 Compressor type - Hermetic scroll Hermetic scroll Hermetic scroll Hermetic scroll Pressure resistance Motor type Discharge MPa 4.15 4.15 4.15 4.15 Suction MPa 2.21 2.21 2.21 2.21 Starting method - Inverter-driven (I.D.) Inverter-driven (I.D.) Inverter-driven (I.D.) Inverter-driven (I.D.) Poles - 4 4 4 4 Insulation class - E E E E HAF68D1 or HAF68DU or a68hes-h a68hes-h FVC50K FVC68D Oil type - Oil quantity L 0.75 0.75 0.65 1.2 Model E-305AHD-27D2 E-405AHD-36D2 E-406AHD-36A2 E-655DHD-65D2 Compressor type - Hermetic scroll Hermetic scroll Hermetic scroll Hermetic scroll Pressure resistance Motor type Discharge MPa 4.15 4.15 4.15 4.15 Suction MPa 2.21 2.21 2.21 2.21 Starting method - Inverter-driven (I.D.) Inverter-driven (I.D.) Inverter-driven (I.D.) Inverter-driven (I.D.) Poles - 4 4 4 4 Insulation class - E E E E Oil type - FVC68D FVC68D FVC68D FVC68D Oil quantity L 1.2 1.2 1.2 1.9 79

General data 80

Dimensional data 3. Dimensional data This chapter shows the dimensions and minimum space required to install each unit of the new UTOPIA DC INVERTER ES series. Contents 3. Dimensional Data...81 3.1. Indoor units...82 3.1.1. 4-way cassette type models...82 3.1.2. 2-way cassette type models...84 3.1.3. Ceiling-type models...86 3.1.4. Duct-type models...90 3.1.5. Wall-type models...95 3.1.6. Floor-type models...98 3.1.7. Floor-concealed models...99 3.2. Outdoor units...100 3 3.3. Complementary units...103 3.3.1. Total heat exchanger...103 3.3.2. Econofresh kit...106 81

Dimensional data 3.1. Indoor units 3.1.1. 4-way cassette type models RCI-(1.5~6.0)FSN2E/P-N23WA View from A Models a b c RCI-1.5 Ø12.7 Ø6.35 248 RCI-2.0 Ø15.88 Ø6.35 248 RCI-2.5 Ø15.88 Ø9.53 248 RCI-3.0 Ø15.88 Ø9.53 298 RCI-4.0 Ø15.88 Ø9.53 298 RCI-5.0 Ø15.88 Ø9.53 298 RCI-6.0 Ø15.88 Ø9.53 298 A Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet 4-way 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø32 (outer) 6 Wiring hole Ø32.5 (knockout hole) 7 Wiring hole 30x39 8 Support for suspending the machine - 9 Suspension bolt 4-M10 or W3/8 10 Air duct supply connection 150x385 (knockout hole) 11 Air duct supply connection 150x400 (knockout hole) 12 Grille / Filter - 13 Panel P-N23WA 14 Opening required in the ceiling - 15 Fresh air intake orifice - 82

Dimensional data RCIM-(1.5/2.0)FSN2/P-N23WAM View from A A 3 Models a b RCIM-1.5 Ø12.7 Ø6.35 RCIM-2.0 Ø15.88 Ø6.35 Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet 4-way 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø32 (outer) 6 Wiring hole 20x40 7 Support for suspending the machine - 8 Suspension bolt 4-M10 or W3/8 9 Air duct supply connection - 10 Grille / Filter 100x100 (Knockout hole) 11 Panel P-N23WAM 12 Opening required in the ceiling - 13 Fresh air intake orifice - 83

Dimensional data 3.1.2. 2-way cassette type models RCD-(1.5~3.0)FSN2/P-N23DWA View from A Models a b RCD-1.5 Ø12.7 Ø6.35 RCD-2.0 Ø15.88 Ø6.35 RCD-2.5 Ø15.88 Ø9.53 RCD-3.0 Ø15.88 Ø9.53 A Installation space Units: mm No. Description Remarks 1 Air intake 2 Air outlet 2-way 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø32 (outer) 6 Wiring hole Ø32.5 (knockout hole) 7 Wiring hole 36x39 8 Support for suspending the machine 9 Suspension bolt 10 Air duct supply connection 150x430 (knockout hole) 11 Grille / Filter 12 Panel P-N23DWA 13 Opening required in the ceiling 84

Dimensional data RCD-(4.0/5.0)FSN2E/P-N23DWA View from A 3 A Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet 2-way 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø32 (outer) 6 Wiring hole Ø32.5 (knockout hole) 7 Wiring hole 36x39 8 Support for suspending the machine - 9 Suspension bolt - 10 Air duct supply connection 150x640 (knockout hole) 11 Grille / Filter - 12 Panel P-N23DWA 13 Opening required in the ceiling - 85

Dimensional data 3.1.3. Ceiling-type models RPC-2.0FSN2E Piping connection arrangement Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø6.35 5 Drain piping Ø25 (outer) 6 Drain hole Ø32.5 (knockout hole) 7 Hole for refrigerant piping - 8 Wiring hole - 9 Support for suspending the machine - 10 Grille / Filter - 86

Dimensional data RPC-(2.5/3.0)FSN2E 3 Piping connection arrangement Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø25 (outer) 6 Drain hole Ø32.5 (knockout hole) 7 Hole for refrigerant piping - 8 Wiring hole - 9 Support for suspending the machine - 10 Grille / Filter - 87

Dimensional data RPC-4.0FSN2E Piping connection arrangement Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø25 (outer) 6 Drain hole Ø32.5 (knockout hole) 7 Hole for refrigerant piping - 8 Wiring hole - 9 Support for suspending the machine - 10 Grille / Filter - 88

Dimensional data RPC-(5.0/6.0)FSN2E 3 Piping connection arrangement Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø25 (outer) 6 Drain hole Ø32.5 (knockout hole) 7 Hole for refrigerant piping - 8 Wiring hole - 9 Support for suspending the machine - 10 Grille / Filter - 89

Dimensional data 3.1.4. Duct-type models RPI-1.5FSN2E Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø12.7 4 Refrigerant liquid piping Flare: Ø6.35 5 Drain piping Ø32 (outer) 6 Wiring hole 2-Ø20 (outer) 7 Support for suspending the machine - 8 Filter - 9 Electrical switch box - 90

Dimensional data RPI-(2.0/3.0)FSN2E 3 Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø32 (outer) 6 Wiring hole 2-Ø20 (outer) 7 Support for suspending the machine - 8 Filter - 9 Electrical switch box - 91

Dimensional data RPI-(4.0~6.0)FSN2E Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø15.88 4 Refrigerant liquid piping Flare: Ø9.53 5 Drain piping Ø32 (outer) 6 Wiring hole 2-Ø20 (outer) 7 Support for suspending the machine - 8 Filter - 9 Electrical switch box - 92

Dimensional data RPI-(8.0/10.0)FSN2E Models a b RPI-8.0 Ø19.05 Ø9.53 RPI-10.0 Ø22.2 Ø9.53 3 Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø25 (outer) 6 Wiring hole 2-Ø26 (outer) 7 Support for suspending the machine - 8 Filter - 9 Electrical switch box - 93

Dimensional data RPIM-1.5FSN2E Installation space Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Ø12.7 4 Refrigerant liquid piping Flare: Ø6.35 5 Drain piping Ø25 (outer) 6 Refrigerant piping holes - 7 Holes for drain piping - 8 Electrical wiring holes - 9 Electrical switch box - 10 Support for suspending the machine - 11 Filter - 12 Fan motor - 13 Fan casing - 14 Heat exchanger - 15 Expansion valve - 94

Dimensional data 3.1.5. Wall-type models RPK-1.5FSN2M 3 Installation space View from A Units: mm No. Description Remarks 1 Air intake 2 Air outlet 3 Refrigerant gas piping Ø 12.7 flare nut 4 Refrigerant liquid piping Ø 6.35 flare nut 5 Condensate drain piping Ø16 (outer) 6 Wiring and/or refrigerant piping hole Knockout hole (both sides) 7 Wiring and/or refrigerant piping hole Ø65 (outer) 8 Wiring and/or refrigerant piping hole Ø65 (outer) 9 Support for suspending the machine 95

Dimensional data RPK-2.0FSN2M b a Ø15.88 440 Ø12.70 410 Installation space View from A Units: mm No. Description Remarks 1 Air intake 2 Air outlet 3 Refrigerant gas piping Øb flare nut 4 Refrigerant liquid piping Ø 6.35 flare nut 5 Condensate drain piping Ø16 (outer) 6 Wiring and/or refrigerant piping hole Knockout hole (both sides) 7 Wiring and/or refrigerant piping hole Ø65 (outer) 8 Wiring and/or refrigerant piping hole Ø65 (outer) 9 Support for suspending the machine 96

Dimensional data RPK-(2.5~4.0)FSN2M 3 Installation space View from A Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Ø15.88 flare nut 4 Refrigerant liquid piping Ø9.53 flare nut 5 Condensate drain piping Ø16 (outer) 6 Wiring and/or refrigerant piping hole Knockout hole (both sides) 7 Wiring and/or refrigerant piping hole Ø80 (outer) 8 Wiring and/or refrigerant piping hole Ø80 (outer) 9 Support for suspending the machine - 97

Dimensional data 3.1.6. Floor-type models RPF-(1.5~2.5)FSN2E Models A B C RPF-1.5 1170 879 857 RPF-2.0 1420 1129 1107 RPF-2.5 1420 1129 1107 A Models a b RPF-1.5 Ø12.7 Ø6.35 RPF-2.0 Ø15.88 Ø6.35 RPF-2.5 Ø15.88 Ø9.53 Z B View from Z Installation space C Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø18.5 (outer) 6 Holes for fixing the unit to the floor 4-Ø7 (outer) For wood screw (4-M5) 2-Ø12.5 (outer) For bolts (2-M8)- 7 Holes for fixing the unit to the wall 4-Ø14 (outer) 8 Filter - 98

Dimensional data 3.1.7. Floor-concealed models RPFI-(1.5~2.5)FSN2E A Models A B C D RPFI-1.5 973 879 857 831 RPFI-2.0 1223 1129 1107 1081 RPFI-2.5 1223 1129 1107 1081 Models a b RPFI-1.5 Ø12.70 Ø6.35 RPFI-2.0 Ø15.88 Ø6.35 RPFI-2.5 Ø15.88 Ø9.53 D 3 Z B View from Z Installation space C Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Refrigerant gas piping Flare: Øa 4 Refrigerant liquid piping Flare: Øb 5 Drain piping Ø18.5 (outer) 6 Holes for fixing the unit to the floor 4-Ø7 (outer) For wood screws (4-M5) 2-Ø12.5 (outer) For bolts (2-M8)- 7 Holes for fixing the unit to the wall 4-Ø14 (outer) 8 Filter - 99

Dimensional data 3.2. Outdoor units RAS-(2/2.5)HVRN1/RAS-3HVRNS Models a b RAS-2HVRN1 Ø12.70 Ø6.35 RAS-2.5HVRN1 Ø12.70 Ø6.35 RAS-3HVRNS Ø15.88 Ø9.53 No. Description Remarks 1 Air intake 2 Air outlet 3 Holes for power supply wiring 4 Holes for control line wiring 5 Gas piping connection Øa flare nut 6 Liquid piping connection Øb flare nut 7 Service panel 8 Refrigerant piping hole 9 Drain hole 10 Drain hole 11 Earth terminal wiring (M5) 12 Holes for fixing machine to wall Units: mm 100

Dimensional data RAS-(4~6)HVRNSE 3 Units in: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Service cover - 4 Electrical switch box - 5 Holes for refrigerant piping and electrical wiring piping - 6 Drain holes 4-Ø24 7 Drain holes 1-Ø26 8 Holes for fixing machine to wall 4-(M5) 9 Refrigerant liquid piping Flare nut: Ø9.53 (3/8 ) 10 Refrigerant gas piping Flare nut: Ø15.88 (5/8 ) 101

Dimensional data RAS-(8/10)HRNSE Units in: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Service cover - 4 Electrical switch box - 5 Holes for refrigerant piping and electrical wiring piping - 6 Drain holes 4-Ø24 7 Drain holes 1-Ø26 8 Holes for fixing machine to wall 4-(M5) 9 Refrigerant liquid piping Flare nut: Ø9.53 (3/8 ) 10 Refrigerant gas piping Flare nut: Ø25.4 (1 ) 102

Dimensional data 3.3. Complementary units 3.3.1. Total heat exchanger KPI-(502/802)E1E SA EA 3 RA OA?NOTES: OA: Outdoor air EA: Expelled air RA: Return air SA: Supply air Units: mm Model Dimensions Support for ceiling Duct connection A B C D E F G H J KPI-502E1E 1130 925 330 864 864 1180 200 90 527 KPI-802E1E 1210 1015 385 1258 954 1260 250 91 567 103

Dimensional data KPI-(1002~2002)E1E SA EA RA OA?NOTES: OA: Outdoor air EA: Expelled air RA: Return air SA: Supply air Units: mm Model Dimensions Support for ceiling Duct connection A B C D E F G H J KPI-1002E1E 1650 1300 385 1404 1404 1344 250 91 711 KPI-1502E1E 1800 1130 525 1557 1557 1178 300 91 541 KPI-2002E1E 1800 1430 525 1557 1557 1478 350 91 841 104

Dimensional data KPI-3002H1E SA EA RA OA 3?NOTES: OA: Outdoor air EA: Expelled air RA: Return air SA: Supply air Units: mm Model Dimensions Support for ceiling Duct connection A B C D E F G H J KPI-3002H1E 2124 1245 650 2040 1380 1300 450 82 622 105

Dimensional data 3.3.2. Econofresh kit EF-5NE Installation space Room return Outdoor Units: mm No. Description Remarks 1 Air intake - 2 Air outlet - 3 Holes for fixing the unit 4-15x12 4 Electrical switch box - 106

Capacities and selection data 4.Capacities and selection data This chapter is a guide for selecting the most suitable units according to your requirements and indicates the performance data of each unit in the new UTOPIA DC INVERTER ES series. Contents 4. Capacities and selection data...107 4.1. UTOPIA DC INVERTER ES series system selection procedure... 108 4.1.1. Selection parameters... 108 4.1.2. Selection procedure... 108 4.2. KPI system selection procedure...115 4.2.1. Selection guide for KPI...115 4.2.2. Calculation of the heat exchanger efficiency...118 4.3. Selection procedure for the Econofresh system...119 4.4. Combinability... 121 4.5. Compatibilities... 122 4.6. Standard cooling and heating capacities... 125 4.7. Maximum cooling capacities of the outdoor units... 128 4.8. Maximum heating capacities of the outdoor units... 129 4.9. Correction factors... 130 4.9.1. Piping length correction factor... 130 4.9.2. Defrost correction factor... 134 4 4.10. Sensible heat factor (SHF)... 135 4.11. Fan performance... 136 4.11.1. RPI(M)-(1.5~10.0)FSN2E... 136 4.11.2. KPI Fan performance... 138 4.12. Temperature distribution diagrams... 140 4.12.1. RCI 4-way cassette type... 140 4.12.2. RCD 2-way cassette type... 143 4.12.3. RPC Ceiling type... 145 4.12.4. RPK Wall type... 146 4.13. Sound data... 147 4.13.1. RCI 4-way cassette type... 147 4.13.2. RCD 2-way cassette type... 150 4.13.3. RPC Ceiling type... 151 4.13.4. RPI In-the-ceiling type... 153 4.13.5. RPK Wall type... 156 4.13.6. RPF Floor type... 157 4.13.7. RPFI Floor concealed type... 158 4.13.8. KPI... 159 4.13.8. RAS UTOPIA DC INVERTER ES outdoor units... 161 107

Capacities and selection data 4.1. UTOPIA DC INVERTER ES series system selection procedure The following procedure is an example of how to select the system units and indicates how to use all the parameters indicated in this chapter. Considering the layout of the building, the possible position of the indoor units and the air flow distribution, select the unit features that provide the greatest efficiency and comfort. Decide a position for the outdoor unit that facilitates service and maintenance tasks, as well as easy refrigerant pipe installation. 4.1.1. Selection parameters To select the outdoor units, it will be necessary to consult and/or use a serie of parameters shown in tables and graphics presented in the different chapters of this catalogue. A summarized list is shown below: For general information: Chapter 2. For sensible heat factor: Section 4.8. For operating space options: Chapter 3. For correction factors: Section 4.7. For unit combinations: Section 4.2. For noise characteristics: Section 4.9 For capacities: Sections 4.4,4.5,4.6. Piping length and lift range: Chapter 7. In case of an installation with ducts (outdoor unit with RPI indoor unit) the fan performance for duct calculations should be considered. The RPI units are designed with different static pressure ranges in order to fulfil all installation necessities. 4.1.2. Selection procedure The system selection procedure is as follows: Firstly, the outdoor unit is pre-selected according to the design conditions. Secondly, the combination with indoor units and their respective models is chosen. Finally, the theoretical capacity values taken from the different tables are corrected to take account of the various correction factors that exist. This procedure is divided in two parts: cooling and heating. 108

Capacities and selection data Step 1: Cooling mode Initial pre-selection This example is based on an ambient with the following characteristics: Design conditions: Outdoor air inlet Dry bulb: 35 ºC Indoor air inlet Required cooling load Dry bulb: 25 ºC Wet bulb: 17 ºC 13.5 kw Required sensible heat load 10 kw It has been assumed that this ambient will require a cooling load of 13.5 kw, of which the client has set a minimum sensible heat load condition of 10 kw. The outdoor ambient temperature (air inlet at the outdoor unit) is 35 ºC DB and the air inlet temperature for the indoor unit is 25/17 ºC (DB/WB). Section 4.7. (Cooling capacity of the outdoor units) should be seen once the characteristics of the space to be conditioned have been studied in order to find the unit that will provide the appropriate cooling capacity for these ambient conditions. 4 Outdoor unit Cooling capacity of the outdoor unit (kw) RAS-5HVRNSE 13.00 RAS-6HVRNSE 15.20 As can be seen in the table, the outdoor unit that covers the installation s cooling requirements is the RAS-6HVRNSE. Therefore, this will be the pre-selected unit NOTE: If the air inlet temperature for the indoor unit or outdoor unit is not contained in the capacity table in section standard cooling and heating capacities, an interpolation should be carried out using the values above and below those of the air inlet temperature. Step 2: Selecting the combination of the outdoor unit and the indoor unit For this theoretical ambient, it is assumed that the most appropriate combination would be an outdoor unit with 3 indoor units, taking into account the design of the room and the possible position of the indoor units and their subsequent air distribution. The installation conditions would be the following: Installation characteristics: Total piping length 30 m Height difference between indoor and outdoor units. 10 m Referring to section Combinability, it can be checked that the only possible triple combination for the RAS-6HVRNSE is with three indoor units of 2.0 HP. For this example it is assumed three differents indoor units (RCI-2.0FSN2E, RPI- 2.0FSN2E and RPC-2.0FSN2E) in order to show how the choice of indoor unit can affect the different factors presented in this chapter. It is also considered that the outdoor unit is located in a higher position that the indoor units. Therefore, when necessary refer to the section Piping length correction factor, it will be used the correction factor value at positive height difference between indoor and outdoor units (+H). 109

Capacities and selection data Step 3: Cooling capacity correction The actual cooling capacity of the pre-selected unit must be calculated applying the necessary correction factors: Q C = Q MC x f LC Q C : Actual cooling capacity of the outdoor unit (kw) Q MC : Maximum cooling capacity of the outdoor unit (kw) f LC : Cooling piping length correction factor The maximum cooling capacity (Q MC ) of the RAS-6HVRNSE unit is 15.2 kw. Calculation of f LC : Both the length of the refrigerant piping used and the height difference between the outdoor unit and the indoor units directly affect the performance of the unit. This concept is quantified in the piping length correction factor. To determine this value it is necessary refer to section Piping length correction factor, where it can be seen that for the characteristics of our example (piping length of 30 metres and a height difference between the outdoor unit and the indoor units of 10 metres) the piping length correction factor for cooling mode is 0.92. Calculation of Q C : Once the correction factors to be applied have been determined, the formula for actual cooling capacity of the unit RAS-6HVRNSE can be applied: Q C = 15.2 kw x 0.92 = 13.98 kw As can be seen, the actual cooling capacity of the RAS-6HVRNSE (13.98 kw) unit is greater than the cooling load required by the ambient to be conditioned (13.5 kw), but before deciding that the unit is valid, it must be verified that the unit complies with the requirement for the minimum sensible heat capacity set by the client (10 kw). NOTE: If the actual cooling capacity calculated is less than that provided by the pre-selected unit, the calculation must be done again with the unit immediately higher. 110

Capacities and selection data Step 4: Sensible heat capacity (SHC) The system requirements specify a minimum sensible heat capacity of 10 kw. Once the real cooling capacity of the RAS-6HVRNSE unit has been determined, its sensible heat capacity in combination with the three indoor units (RCI-2.0FSN2E, RPI-2.0FSN2E and RPC-2.0FSN2E), can be calculated. Firstly, the real cooling capacity of each indoor unit must be calculated. This is done using the following formula: Q CI = Q C x Q MCI Q MCC Q CI : Actual cooling capacity of the indoor unit (kw) Q C : Actual cooling capacity of the outdoor unit (kw) Q MCI : Maximum cooling capacity of the indoor unit (kw). See section Combinability Q MCC : Maximum cooling capacity of the combination (kw). See section Combinability Applying this we obtain: 4 Q RPI-2.0 = 13.98 kw x 5.33 kw = 4.66 kw = QRCI-2.0 = Q RPC-2.0 16.0 kw Once the calculation of the indoor units cooling capacity has been completed, the sensible heat capacity can be calculated using the following formula: SHC = Q CI x SHF SHC: Sensible heat capacity (kw) Q CI : Actual cooling capacity of the indoor unit (kw) SHF: Sensible heat factor Calculation of SHF: To determine the sensible heat factor (ratio of sensible heat relative to the total) the table in section Sensible heat factor (SHF) has to be seen, in which the different SHF values are shown for the different indoor units for each of the three possible fan speeds (High, Medium, Low). The value used is that relating to the high fan speed. Doing this we obtain: SHF RPI-2.0 = 0.76 SHF RCI-2.0 = 0.78 SHF RPC-2.0 = 0.72 Calculation of SHC: Initinally, once the sensible heat factors have been obtained, the sensible heat capacity of each indoor unit can be calculated by applying the previous formula. SHC RPI-2.0 = 4.66 kw x 0.76 = 3.54 kw SHC RCI-2.0 = 4.66 kw x 0.78 = 3.63 kw SHC RPC-2.0 = 4.66 kw x 0.72 = 3.36 kw The cooling capacity data for the RAS-6HVRNSE unit taken from the table in section Maximum cooling capacities of the outdoor units is calculated on the basis of a relative humidity of 50% which means that an indoor air inlet temperature of 17ºC WB corresponds to a temperature of 24 ºC DB. However, the difference between the indoor air inlet dry bulb temperature required by the system (25 ºC) and the indoor air inlet dry bulb temperature recorded in the cooling capacity data (24 ºC) requires an adjustment of the sensible heat capacity for each indoor unit. 111

Capacities and selection data Step 5: Sensible heat capacity correction (SHC C ) The following formula should be used to carry out the sensible heat correction for each indoor unit: SHC C = SHC + (CR x (DB R - DB)) SHC C : Corrected sensible heat capacity (kw) SHC: Sensible heat capacity (kw) CR: Correction ratio due to humidity DB R : Real Dry Bulb evaporator temperature (ºC) DB: Dry Bulb evaporator temperature (ºC) for each wet bulb temperature from the table (HR = 50 %) Calculation of CR: The correction ratio due to humidity is shown in the table contained in section Maximum cooling capacities of the outdoor units. This coefficient corrects the sensible heat capacity of a unit according to the relative humidity of the air entering the indoor unit. The greater the relative humidity the lower will be the sensible heat capacity and vice versa. The correction ratio CR for the RAS-6HVRNSE unit is 0.59. Calculation of SHC C : Once the CR has been identified for the RAS-6HVRNSE unit the corrected sensible heat capacity SHCC of the indoor unit can be calculated: SHC C_RPI-2.0 = 3.54 kw + (0.59 x (25-24)) = 4.13 kw SHC C_RCI-2.0 = 3.63 kw + (0.59 x (25-24)) = 4.22 kw SHC C_RPC-2.0 = 3.36 kw + (0.59 x (25-24)) = 3.95 kw The sensible heat capacity for the combination will be: SHC C = SHC C_RPI-2.0 + SHC C_RCI-2.0 + SHC C_RPC-2.0 SHC C = 4.13 kw + 4.22 kw + 3.95 kw = 12.30 kw As can be seen, the corrected sensible heat capacity of the system (12.30 kw) is greater than the sensible heat capacity required by the ambient to be conditioned (10 kw). Therefore, it can be said that the RAS-6HVRNSE unit meets the minimum cooling requirements set for the system. In order to validate the pre-selection of the RAS-6HVRNSE unit, its compliance with the minimum cooling requirements and the minimum heating requirements must be checked. 112

Capacities and selection data Heating mode Step 1: Initial pre-selection The heating requirements for the previous example are shown below. Ambient conditions Outdoor air inlet Dry bulb: 3 ºC Wet bulb: 0 ºC Indoor air inlet Dry bulb: 20 ºC Required heating load 13 kw The cooling ambient studied has the following heating characteristics: It has been assumed that the required heating load for this ambient is 14 kw. The outdoor ambient temperature (air inlet at the outdoor unit) is 3/0 ºC (DB/WB) and temperature of the indoor air inlet is 20 ºC DB. Section Maximum heating capacities of the outdoor units should be seen once the characteristics of the space to be conditioned have been studied in order to verify that the unit pre-selected for cooling provides an appropriate heating capacity for these conditions: 4 Outdoor unit Heating capacity of the outdoor unit (kw) RAS-6HVRNSE 15.50 As can be seen in the table, the RAS-6HVRNSE unit provides a theoretical heating capacity greater than the heating demand required by the environment. Therefore, the calculation process can continue. NOTE: If the unit pre-selected for cooling does not provide the heating load required by the environment the pre-selection should be changed and the next unit should be chosen. 113

Capacities and selection data Step 2: Heating capacity correction The actual heating capacity of the pre-selected unit must be calculated applying the necessary correction factors: Q H = Q MH x f LH x f d Q H : Actual heating capacity of the outdoor unit (kw) Q MH : Maximum heating capacity of the outdoor unit (kw) f LH : Heating piping length correction factor f d : Defrosting correction factor The maximum heating capacity (Q MH ) of the RAS-6HVRNSE unit is 15.50 kw. Calculation of f LH : Consulting section Piping length correction factor, it can be seen that for the characteristics of our example (piping length of 30 metres and a height difference between the outdoor unit and the indoor units of 10 metres) the piping length correction factor for heating mode is 0.985. Calculation of f d : In situations where the ambient temperature is lower than 7 ºC DB, frost may build up on the heat exchanger. In the case, the heating capacity for the unit may be reduced because of the time spent by the unit in removing the build-up. The defrosting correction factor takes this time into account and applies the heating capacity correction. To calculate the correction factor, please see section Defrost correction factor which shows a table with different values of f d depending on the ambient temperature (ºC DB). If the correction factor at an ambient temperature of 3 ºC DB does not appear on the table, an interpolation will be needed. Finally, the resulting defrosting correction factor is 0.87. Calculation of Q H : Once the correction factors to be applied have been determined, the formula for actual heating capacity of the unit RAS-6HVRNSE can be applied: Q C = 15.50 kw x 0.985 x 0.87 = 13.28 kw As can be seen, the actual heating capacity of the unit RAS-6HVRNSE (13.28 kw) is greater than the heating load required by the ambient to be conditioned (13 kw). Therefore, the pre-selection will be considered valid both for heating and cooling. NOTE: If the actual heating capacity calculated is less than that provided by the pre-selected unit, the calculation must be done again with the unit immediately higher. 114

Capacities and selection data Method 1: 4.2. KPI system selection procedure 4.2.1. Selection guide for KPI There are two methods for calculating the suitable unit: Method 1, Areas Method 2, Inhabitants It is important to check the local legislation regarding certification of the final results. This is a quick method for calculating the ventilation. Remember that this result is only approximate. The air will need to be renewed in order to reduce the CO 2 levels in the room and to eliminate unpleasant odors, smoke, and pollution. In short, the room must be ventilated to provide a greater comfort level for the occupants. The first point to analyze is the type of activity for which the room is used. An office is not the same as a bar. Then, the volume of the room must be calculated. This method is based on areas and the frequency of air renewal. Volume V (m³) = A x B x C A x B = Area of room (m²) C = Ceiling height (m) 4 See table below to determine the number of air ventilations per hour required depending on the type of room. This table is not standard for all countries, although the layout will be the same. Consult the specific standards for each country. Type of room Air ventilation/hour (N) Cathedral 0 Modern church (low ceiling) 1-2 Schools 2-3 Offices 3-4 Bars 4-6 Hospitals 5-6 Restaurants 5-6 Laboratories 6-8 Discos 10-12 Kitchens 10-15 Laundries 20-30 The flow of air for renewal is calculated using the following formula: Air flow rate C (m³/h) = V x N V: Volume of the room (m³) N: Number of air ventilations Example: A bank with an area of 60 m² and an average height of 3 m. requires 4 ventilations per hour. The airflow is therefore: C= 180 x 4 = 720 m³/h The correct KPI model for this installation is KPI-802E1E. It provides an air flow of between 680 and 800 m³/h. 115

Capacities and selection data Method 2: This system is based on inhabitants. Air flow (m³/h) C = 20 x A x B D 20: Constant AxB: Area of the room (m²) D: Area occupied by each person (m²) This area is limited to 10. Example: Bank with an area of 60 m² and 20 people. C = 20 x 60 60/20 = 400 m³/h The correct KPI model for this installation is: KPI-502E1E It provides an air flow of between 350 and 500 m³/h. Applicable area range based on method 1 Considering an average height of 3 m, the suitable area range for the KPI will be calculated with the following air ventilations. Air ventilations (N) 2 5 7 10 15 Air flow (m 3 /h) Area of the room (m 2 ) Unit Range Range Nominal Nominal Min. Max. Min. Max. KPI-502E1E 500 350 640 83 58 107 KPI-802E1E 800 500 990 133 83 165 KPI-1002E1E 1000 640 1460 167 107 243 KPI-1502E1E 1500 810 2040 250 135 340 KPI-2002E1E 2000 1400 2440 333 233 407 KPI-3002H1E 3000 2000 3400 500 333 567 KPI-502E1E 500 350 640 33 23 43 KPI-802E1E 800 500 990 53 33 66 KPI-1002E1E 1000 640 1460 67 43 97 KPI-1502E1E 1500 810 2040 100 54 136 KPI-2002E1E 2000 1400 2440 133 93 163 KPI-3002H1E 3000 2000 3400 200 133 227 KPI-502E1E 500 350 640 24 17 30 KPI-802E1E 800 500 990 38 24 47 KPI-1002E1E 1000 640 1460 48 30 70 KPI-1502E1E 1500 810 2040 71 39 97 KPI-2002E1E 2000 1400 2440 95 67 116 KPI-3002H1E 3000 2000 3400 143 95 162 KPI-502E1E 500 350 640 17 12 21 KPI-802E1E 800 500 990 27 17 33 KPI-1002E1E 1000 640 1460 33 21 49 KPI-1502E1E 1500 810 2040 50 27 68 KPI-2002E1E 2000 1400 2440 67 47 81 KPI-3002H1E 3000 2000 3400 100 67 113 KPI-502E1E 500 350 640 11 8 14 KPI-802E1E 800 500 990 18 11 22 KPI-1002E1E 1000 640 1460 22 14 32 KPI-1502E1E 1500 810 2040 33 18 45 KPI-2002E1E 2000 1400 2440 44 31 54 KPI-3002H1E 3000 2000 3400 67 44 76 116

Capacities and selection data Air ventilations (N) 20 30 40 50 Air flow (m 3 /h) Area of the room (m 2 ) Unit Range Range Nominal Nominal Min. Max. Min. Max. KPI-502E1E 500 350 640 8 6 11 KPI-802E1E 800 500 990 13 8 17 KPI-1002E1E 1000 640 1460 17 11 24 KPI-1502E1E 1500 810 2040 25 14 34 KPI-2002E1E 2000 1400 2440 33 23 41 KPI-3002H1E 3000 2000 3400 50 33 57 KPI-502E1E 500 350 640 6 4 7 KPI-802E1E 800 500 990 9 6 11 KPI-1002E1E 1000 640 1460 11 7 16 KPI-1502E1E 1500 810 2040 17 9 23 KPI-2002E1E 2000 1400 2440 22 16 27 KPI-3002H1E 3000 2000 3400 33 22 38 KPI-502E1E 500 350 640 4 3 5 KPI-802E1E 800 500 990 7 4 8 KPI-1002E1E 1000 640 1460 8 5 12 KPI-1502E1E 1500 810 2040 13 7 17 KPI-2002E1E 2000 1400 2440 17 12 20 KPI-3002H1E 3000 2000 3400 25 17 28 KPI-502E1E 500 350 640 3 2 4 KPI-802E1E 800 500 990 5 3 7 KPI-1002E1E 1000 640 1460 7 4 10 KPI-1502E1E 1500 810 2040 10 5 14 KPI-2002E1E 2000 1400 2440 13 9 16 KPI-3002H1E 3000 2000 3400 20 13 23 4 117

Capacities and selection data 4.2.2. Calculation of the heat exchanger efficiency?note: The following procedure shows how to obtain the total heat exchanger efficiency of the KPI, and the method for calculating the supply air temperature. Outdoor ambient temperature Indoor ambient temperature OA: Outdoor fresh air EA: Expelled air SA: Supply air RA: Return air The following chart can be used: Total heat exchanger Nominal exchange temperature conditions: Indoor (RA) Outdoor (OA) Temp. (ºC) Dry bulb Temp. (ºC) Wet bulb Temp. (ºC) Dry bulb Temp. (ºC) Wet bulb Cooling kw 27±1 20±2 35±1 29±2 Heating kw 20±1 14±2 5±1 2±2 The air supply flow volume of supply and exhaust is the same. The equations which give the necessary parameters for calculating the operating conditions of the KPI are given below. First, an energy balance has to be made. Temperature exchange efficiency (sensible exchange efficiency) ηt = t(oa) t(sa) t(oa) t(ra) x 100 (%)?NOTE: The temperature t is given in ºC and DB. The humidity x in kgw/kga The enthalpy i in kj/kg ηt can be obtained from the graph in section of KPI-Fan performance By determining the desired air flow, we obtain the temperature exchange efficiency. Humidity exchange efficiency (latent exchange efficiency) ηx = Total heat exchange efficiency (enthalpy exchanger efficiency) ηi = x(oa) x(sa) x 100 (%) x(oa) x(ra) i(oa) i(sa) i(oa) i(ra) x 100 (%) By using the temperature exchange efficiency, the temperature of the supply air can be determined according to the following formula: t(sa) = t(oa)?t(t(oa) t(ra)) η t can be obtained from the chart in Section KPI-Fan performance By determining the desired air flow, we obtain the temperature exchange efficiency. 118

Static pressure Pa Capacities and selection data 4.3. Selection procedure for the Econofresh system The Econofresh kit is an accessory that only works with the RPI 5HP. It is easy to install and allows the installers and designers to dispense with any additional installation for ventilation.?note: Td (Tt): Indoor fresh air temperature CO 2 : Gas sensor TR: Set temperature with the remote control OA sluiceway: Outdoor air inlet sluiceway Return air duct RPI unit Econofresh kit?note: P O : Pressure loss of fresh outdoor air duct P i : Pressure loss in return air duct P D : Pressure loss in air discharge duct P ECO : Pressure loss for Econofresh kit P A = P o + P D + P ECO P B = P R + P D + P ECO A: Supply air flow when fresh outdoor air damper is fully opened (return air damper is fully closed) B: Supply air flow when fresh outdoor air damper is fully closed (return air damper is fully opened) P D :3 mmaq; P R : 6 mmaq; P 0 : 13 mmaq; P econo : 3 mmaq Fresh air duct The air in the rooms must be renewed in order to reduce CO 2 levels, eliminate unpleasant odors, smoke, and pollution, although this fresh air increases energy consumption. The Econofresh kit is able to reduce this consumption. Using this system it is possible to intake fresh air using the indoor unit when the thermostat is off. Depending on the outlet and inlet temperature, the Econofresh kit works as an intelligent system, enabling the airflow to be controlled at all times by modifying the position of the damper. The Econofresh kit makes it possible to work with the CO 2 or enthalpic sensors in order to control the quality of the air inside the room. The following procedure explains the method for calculating the Econofresh kit and its advantages in a natural cooling system. First, the pressure loss in the ducts of this installation must be factored in. This loss varies from one installation to another. (For more information see the Pressure Loss data chart). These pressure loss charts must be included in the RPI chart. High static pressure produces a performance curve with an air flow rate for 0% (B) of fresh air and 100% (A) of fresh air (natural cooling system). (For more information, see the Air flow calculation chart). Pressure loss data Calculation of the air flow (RPI 5 HP + Econofresh kit) Fan performance curves (RPI-5HP) P A =P O +P D +P ECO 4 Pi Air flow m 3 /min Static pressure Pa Econofresh working range P B =P i +P D +P ECO Air flow in m 3 /min The result of this calculation is an air flow rate of 35 m³/min for (B) and 25 m³/min for (A). The energy saving calculation for 25 m³/min (Free cooling mode) is shown below. 119

Capacities and selection data Free cooling mode (Economizer) Determining the maximum heat capacity (free cooling). Calculate the capacity by entering the maximum outdoor air flow (V Omax ), the room temperature (T i ) and the outdoor unit temperature (T o ) in the following formula. Q SHmax = V Omax x (1-ß) x (T i - T o ) x 0.02 β = 0.2 by-pass factor for RPI 5.0 HP V omax = 25 m³/min T i = 25 C T o = 15 C Q SHmax = 4.00 kw This is the maximum capacity allowed by the Econofresh kit in these conditions to reduce the power supply each hour. All-Fresh mode The new EconoFresh Kit can also work with the All-Fresh mode. In order to configure this mode, you must use the additional E 1 function, by setting of the remote controller All-Fresh mode allows Econofresh to supply only outdoor fresh air. It is able to do so because the damper is fully open during this operation mode, while the indoor unit is working. If All-Fresh mode is used constantly, the air flow rate will decrease. It is therefore necessary to calculate the cooling capacity by using the minimum air flow rate (point A). This operation mode is extremely useful for buildings with a high density of occupants such as public buildings. 120

Capacities and selection data 4.4. Combinability The following table shows the possible combinations for DC INVERTER ES, as well as the maximum capacity of the individual unit and of the system according to the power combination (HP) of the indoor units at a rated temperature and with a 7.5 m piping length. RAS-(2/2.5)HVRN1 Combination RAS-2HVRN1 Indoor unit combination (HP) Total Nominal cooling capacity: 5.0 kw Nominal heating capacity: 5.6 kw Maximum capacity (kw) Cooling Total Heating Total Individual 2.0 - - 2.0 5.6 - - 5.6 7.1 - - 7.1 Combination RAS-2.5HVRN1 Indoor unit combination (HP) Total Nominal cooling capacity: 6.0 kw Nominal heating capacity: 7.0 kw Maximum capacity (kw) Cooling Total Heating Total Individual 2.5 - - 2.5 6.3 - - 6.3 7.1 - - 7.1 RAS-(3~6)HVRNS(E) Combination RAS-3HVRNS Indoor unit combination (HP) Total Nominal cooling capacity: 7.1 kw Nominal heating capacity: 8.0 kw Maximum capacity (kw) Cooling Total Heating Total Individual 3.0 - - 3.0 8.0 - - 8.0 9.0 - - 9.0 4 Twin 1.5 1.5-3.0 4.0 4.0-8.0 4.5 4.5-9.0 RAS-4HVRNSE Nominal cooling capacity: 10.0 kw Nominal heating capacity: 11.2 kw Combination Indoor unit combination (HP) Total Maximum capacity (kw) Cooling Total Heating Total Individual 4.0 - - 4.0 11.2 - - 11.2 12.5 - - 12.5 Twin 2.0 2.0-4.0 5.6 5.6-11.2 6.25 6.25-12.5 RAS-5HVRNSE Nominal cooling capacity: 12.5 kw Nominal heating capacity: 14.0 kw Combination Indoor unit combination (HP) Total Maximum capacity (kw) Cooling Total Heating Total Individual 5.0 - - 5.0 14.0 - - 14.0 16.0 - - 16.0 Twin 2.5 2.5-5.0 7.0 7.0-14.0 8.0 8.0-16.0 RAS-6HVRNSE Nominal cooling capacity: 14.0 kw Nominal heating capacity: 16.0 kw Combination Indoor unit combination (HP) Total Maximum capacity (kw) Cooling Total Heating Total Individual 6.0 - - 6.0 16.0 - - 16.0 18.0 - - 18.0 Twin 3.0 3.0-6.0 8.0 8.0-16.0 9.0 9.0-18.0 Triple 2.0 2.0 2.0 6.0 5.33 5.33 5.33 16.0 6.0 6.0 6.0 18.0 121

Capacities and selection data RAS-(8/10)HRNSE RAS-8HRNSE Combination Indoor unit combination (HP) Total Nominal cooling capacity: 20.00 kw Nominal heating capacity: 22.40 kw Maximum capacity (kw) Cooling Total Heating Total Individual 8.0 - - - 8.0 22.4 - - - 22.4 25.0 - - - 25.0 Twin 4.0 4.0 - - 8.0 11.2 11.2 - - 22.4 12.5 12.5 - - 25.0 Triple 3.0 3.0 3.0-9.0 7.4 7.4 7.4-22.2 8.3 8.3 8.3-24.9 Quad 2.0 2.0 2.0 2.0 8.0 5.6 5.6 5.6 5.6 22.4 6.2 6.2 6.2 6.2 24.8 RAS-10HRNSE Nominal cooling capacity: 25.00 kw Nominal heating capacity: 28.00 kw Combination Indoor unit combination (HP) Total Maximum capacity (kw) Cooling Total Heating Total Individual 10.0 - - - 10.0 28.0 - - - 28.0 31.5 - - - 31.5 Twin 5.0 5.0 - - 10.0 14.0 14.0 - - 28.0 15.7 15.7 - - 31.4 Quad 2.5 2.5 2.5 2.5 10.0 7.0 7.0 7.0 7.0 28.0 7.8 7.8 7.8 7.8 31.2?NOTE: - The RPF(I) unit cannot be connected with another unit in a twin or triple combination due to lift restriction between indoor units. - DC Inverter UTOPIA ES series is only for simultaneous operation at twin, triple and quad combinations. - The triple combination is not available for RAS-10HRNSE. 4.5. Compatibilities Units with the H-LINK system, units with the H-LINK II system and their remote controls can be combined as follows: The new RAS-H(V)RNM(E) outdoor units can be connected with the FSN1(E) and FSN2(E) indoor units The new FSN2(E) indoor units can be connected to the RAS-H(V)RNE/H(V)NE and RAS-HVRN1/HVRNS(E) outdoor units. The new system H-LINKII enables connection of remote controls, from type PC-P2HTE. OUTDOOR UNIT INDOOR UNIT REMOTE CONTROLS H-LINK RAS-H(V)RNE/ RAS-HNVE FSN(1)(E) OLD (PC-2H2) OLD (PC-P1HE) H-LINK II RAS-HVRN1/HVRNS(E) FSN2(E) CURRENT (PC-P2HTE) (*) Compatible Incompatible (*) NEW (PC-ART)?NOTE: The RCI-FSN2E unit can be connected to the P-G23WA2 panel (by cutting the J4 jumper). (*) In both combinations, some of the functions of the indoor unit cannot be used. 122

Capacities and selection data Examples of different H-LINK and H-LINKII systems 1. System with indoor and outdoor units, and a central remote control of type H-LINKII?NOTE: HL: H-LINK HLII: H-LINKII Range of number of refrigerant cycles Range of number of indoor units 0-63 0-63 4 Maximum number of indoor units 160 Maximum number of equipment units (*) 200?NOTE: (*) Systems = Indoor units + Outdoor units * Centralized control 2. System with indoor and outdoor units, and a remote control of type H-LINKII and a central H-LINK control Range of number of refrigerant cycles 0-15 Range of number of indoor units 0-15 Maximum number of indoor units 128 Maximum number of equipment units (*) 145?NOTE: (*) Systems = Indoor units + Outdoor units * Centralized control 123

Capacities and selection data 3. System with indoor and outdoor units, and remote controls of type H-LINK with a central H-LINKII-type control?note: HL: H-LINK HLII: H-LINKII (*) Systems = Indoor units + Outdoor units * Centralized control Range of number of refrigerant cycles Range of number of indoor units 0-15 0-15 0-63 0-15 0-15 0-63 0-63 Maximum number of indoor units Maximum number of equipment units (*) 128 145?NOTE: (*) Systems = Indoor units + Outdoor units * Centralized control 4. System with indoor and outdoor units, and remote controls of type H-LINK and H-LINKII with a central H-LINK control Range of number of refrigerant cycles Range of number of indoor units Maximum number of indoor units Maximum number of equipment units (*) 0-15 0-15 128 145?NOTE: Different indoor units from different systems cannot be connected using the same remote control once the option has been selected not to use the remote control operation cable. All optional units connected to CN3 can only be used in the master unit via a connected remote control.?note: (*) Systems = Indoor units + Outdoor units * Centralized control The following conditions are not available. Master unit Master unit Master unit Cannot connect Cannot connect 124

Capacities and selection data 4.6. Standard cooling and heating capacities RAS-(2/2.5)HVRN1 Outdoor Unit Indoor Unit Capacity [kw] Power input [kw] Cooling EER Cooling performance Capacity [kw] Power input [kw] Heating COP Heating performance RAS-2HVRN1 RAS-2.5HVRN1 RCIM-2.0FSN2 5.0 1.48 3.38 A 5.6 1.44 3.89 A RCI-2.0FSN2E 5.0 1.26 3.97 A 5.6 1.18 4.75 A RCD-2.0FSN2 5.0 1.46 3.42 A 5.6 1.54 3.64 A RPC-2.0FSN2E 5.0 1.66 3.01 B 5.6 1.74 3.21 C RPI-2.0FSN2E 5.0 1.50 3.33 A 5.6 1.46 3.84 A RPF(I)-2.0FSN2E 5.0 1.48 3.38 A 5.6 1.52 3.69 A RPK-2.0FSN2M 5.0 1.40 3.57 A 5.6 1.47 3.81 A RPI-2.5FSN2E 6.0 2.26 2.65 D 7.0 2.05 3.41 B RCI-2.5FSN2E 6.0 1.83 3.28 A 7.0 1.84 3.80 A RPK-2.5FSN2M 6.0 1.76 3.41 A 7.0 1.74 4.02 A RCD-2.5FSN2 6.0 1.87 3.21 A 7.0 1.92 3.65 A RPF(I)-2.5FSN2E 6.0 2.04 2.94 C 7.0 2.04 3.43 B RPC-2.5FSN2E 6.0 2.10 2.86 C 7.0 2.27 3.08 D 4 RAS-(3~6)HVRNS(E) Outdoor Unit Indoor Unit Capacity [kw] Power input [kw] Cooling EER Cooling performance Capacity [kw] Power input [kw] Heating COP Heating performance RCI-3.0FSN2E 7.1 2.32 3.06 B 8.0 2.43 3.29 C RPC-3.0FSN2E 7.1 2.52 2.82 C 8.0 2.53 3.16 D RPI-3.0FSN2E 7.1 2.63 2.70 D 8.0 2.52 3.17 D RCD-3.0FSN2 7.1 2.53 2.81 C 8.0 2.60 3.08 D RAS-3HVRNS RPK-3.0FSN2M 7.1 2.52 2.82 C 8.0 2.60 3.08 D RCI-1.5FSN2E (x2) 7.1 2.50 2.84 C 8.0 2.49 3.21 C RCIM-1.5 FSN2 (x2) 7.1 2.55 2.78 D 8.0 2.31 3.46 B RPI-1.5FSN2E (x2) 7.1 2.95 2.41 E 8.0 2.39 3.35 C RPIM-1.5FSN2E(x2) 7.1 2.56 2.77 D 8.0 2.68 2.99 D RCD-1.5FSN2 (x2) 7.1 2.71 2.62 D 8.0 2.38 3.36 C RPK-1.5FSN2M (x2) 7.1 2.67 2.66 D 8.0 2.48 3.23 C RPF-1.5FSN2E (x2) 7.1 2.95 2.41 E 8.0 2.46 3.25 C RPFI-1.5FSN2E (x2) 7.1 2.95 2.41 E 8.0 2.46 3.25 C 125

Capacities and selection data Outdoor Unit Indoor Unit Capacity [kw] Power input [kw] Cooling EER Cooling performance Capacity [kw] Power input [kw] Heating COP Heating performance RCI-4.0FSN2E 10.0 3.32 3.01 B 11.2 3.22 3.48 B RPC-4.0FSN2E 10.0 3.82 2.62 D 11.2 3.99 2.81 D RPI-4.0FSN2E 10.0 3.42 2.92 C 11.2 3.49 3.21 C RCD-4.0FSN2 10.0 3.60 2.78 D 11.2 3.49 3.21 C RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE RPK-4.0FSN2M 10.0 3.45 2.90 C 11.2 3.68 3.04 D RCI-2.0FSN2E (x2) 10.0 3.32 3.01 B 11.2 3.19 3.51 B RCIM-2.0FSN2 (x2) 10.0 3.47 2.88 C 11.2 3.40 3.29 C RPC-2.0FSN2E (x2) 10.0 3.92 2.55 E 11.2 3.81 2.94 D RPI-2.0FSN2E (x2) 10.0 3.69 2.71 D 11.2 3.66 3.06 D RCD-2.0FSN2 (x2) 10.0 3.53 2.83 C 11.2 3.29 3.40 C RPK-2.0FSN2M (x2) 10.0 3.45 2.90 C 11.2 3.68 3.04 D RPF-2.0FSN2E (x2) 10.0 3.72 2.69 D 11.2 3.64 3.07 D RPFI-2.0FSN2E (x2) 10.0 3.72 2.69 D 11.2 3.64 3.07 D RCI-5.0FSN2E 12.5 3.88 3.22-14.0 4.11 3.41 - RPC-5.0FSN2E 12.5 4.36 2.87-14.0 4.55 3.08 - RPI-5.0FSN2E 12.5 4.06 3.08-14.0 4.20 3.33 - RCD-5.0FSN2 12.5 4.13 3.03-14.0 4.23 3.31 - RCI-2.5FSN2E (x2) 12.5 3.80 3.29-14.0 4.02 3.48 - RPC-2.5FSN2E (x2) 12.5 4.51 2.77-14.0 4.73 2.96 - RPI-2.5FSN2E (x2) 12.5 4.14 3.02-14.0 4.30 3.25 - RCD-2.5FSN2 (x2) 12.5 4.36 2.87-14.0 4.22 3.32 - RPK-2.5FSN2M (x2) 12.5 4.08 3.06-14.0 4.27 3.28 - RPF-2.5FSN2E (x2) 12.5 4.21 2.97-14.0 4.46 3.14 - RPFI-2.5FSN2E (x2) 12.5 4.21 2.97-14.0 4.46 3.14 - RCI-6.0FSN2E 14.0 4.98 2.81-16.0 4.88 3.28 - RPC-6.0FSN2E 14.0 5.47 2.56-16.0 5.18 3.09 - RPI-6.0FSN2E 14.0 5.09 2.75-16.0 4.95 3.23 - RCI-3.0FSN2E (x2) 14.0 4.56 3.07-16.0 4.22 3.79 - RPC-3.0FSN2E (x2) 14.0 5.65 2.48-16.0 5.33 3.00 - RPI-3.0FSN2E (x2) 14.0 5.11 2.74-16.0 4.98 3.21 - RCD-3.0FSN2 (x2) 14.0 5.17 2.71-16.0 5.06 3.16 - RPK-3.0FSN2M (x2) 14.0 5.26 2.66-16.0 5.03 3.18-126

Capacities and selection data RAS-(8/10)HRNSE Outdoor Unit Indoor Unit Capacity [kw] Power input [kw] Cooling EER Cooling performance Capacity [kw] Power input [kw] Heating COP Heating performance RPI-8.0FSN2E 20.0 7.79 2.57-25.0 8.14 3.07 - RAS-10HRNSE RAS-8HRNSE RCI-4.0FSN2E (x2) 20.0 6.64 3.01-25.0 7.31 3.42 - RPC-4.0FSN2E (x2) 20.0 7.52 2.66-25.0 8.44 2.96 - RPI-4.0FSN2E (x2) 20.0 7.99 2.50-25.0 8.14 3.07 - RCD-4.0FSN2 (x2) 20.0 7.15 2.80-25.0 7.89 3.17 - RPK-4.0FSN2M (x2) 20.0 7.64 2.62-25.0 8.79 2.84 - RPI-10.0FSN2E 22.4 9.30 2.41-28.0 9.23 3.03 - RCI-5.0FSN2E (x2) 22.4 7.97 2.81-28.0 8.72 3.21 - RPC-5.0FSN2E (x2) 22.4 9.02 2.48-28.0 9.57 2.93 - RPI-5.0FSN2E (x2) 22.4 9.24 2.42-28.0 9.23 3.03 - RCD-5.0FSN2 (x2) 22.4 8.58 2.61-28.0 8.94 3.13 - In accordance with EC Directive 2002/31/E of March 2002. 4 Performance Multi-Split Conditioner Class Cooling Heating A 3.20<EER 3.60<COP B 3.20 EER>3 3.60 COP>3.40 C 3.00 EER>2.80 3.40 COP>3.20 D 2.80 EER>2.60 3.20 COP>2.80 E 2.60 EER>2.40 2.80 COP>2.60 F 2.40 EER>2.20 2.60 COP>2.40 G 2.20 EER 2.40 COP 127

Capacities and selection data 4.7. Maximum cooling capacities of the outdoor units RAS-(2/2.5)HVRN1 Indoor air inlet temperature WB (ºC) / (DB (ºC) Outdoor unit CR Outdoor air inlet temperature (DB) (ºC) 14/(20) Max. CAP 16/(23) Max. CAP 18/(25) Max. CAP 19/(26) Max. CAP 20/(28) Max. CAP 22/(30) Max. CAP 24/(33) Max. CAP RAS-2HVRN1 0.25 RAS-2.5HVRN1 0.30 25 5.11 5.45 5.76 5.90 6.03 6.28 6.50 30 5.01 5.35 5.66 5.80 5.93 6.18 6.40 35 4.81 5.15 5.46 5.60 5.73 5.98 6.20 40 4.56 4.90 5.21 5.35 5.48 5.73 5.95 25 5.73 6.07 6.38 6.53 6.68 6.95 7.20 30 5.58 5.92 6.23 6.38 6.53 6.80 7.05 35 5.50 5.84 6.15 6.30 6.45 6.72 6.97 40 5.10 5.45 5.76 5.90 6.03 6.25 6.43 RAS-(3~6)HVRNS(E) Indoor air inlet temperature WB (ºC) / (DB (ºC) Outdoor unit CR Outdoor air inlet temperature (DB) (ºC) 15/(22) Max. CAP 17/(24) Max. CAP 18/(25) Max. CAP 19/(26) Max. CAP 21/(29) Max. CAP 23/(31) Max. CAP RAS-3HVRNS 0.34 RAS-4HVRNSE 0.43 RAS-5HVRNSE 0.51 RAS-6HVRNSE 0.59 25 7.50 7.91 8.30 8.50 8.70 8.90 30 7.22 7.70 8.05 8.25 8.40 8.70 35 7.05 7.40 7.80 8.00 8.19 8.44 40 6.50 6.80 7.15 7.30 7.50 7.80 25 10.50 11.20 11.40 11.75 12.40 12.60 30 10.40 10.90 11.20 11.50 12.00 12.40 35 10.25 10.60 10.90 11.20 11.70 12.20 40 9.60 10.00 10.30 10.55 11.00 11.80 25 13.20 14.00 14.80 14.70 15.60 15.80 30 12.75 13.50 14.00 14.40 14.80 15.45 35 12.25 13.00 13.60 14.00 14.50 14.80 40 11.50 12.30 12.70 13.00 13.50 14.00 25 15.50 16.35 16.60 17.00 17.60 18.10 30 15.20 16.00 16.30 16.60 17.45 17.70 35 14.30 15.20 15.55 16.00 16.45 16.90 40 13.55 14.45 14.75 15.20 15.65 16.45 RAS-(8/10)HRNSE Indoor air inlet temperature WB (ºC) / (DB (ºC) Outdoor unit CR Outdoor air inlet temperature (DB) (ºC) 15/(22) Max. CAP 17/(24) Max. CAP 18/(25) Max. CAP 19/(26) Max. CAP 21/(29) Max. CAP 23/(31) Max. CAP RAS-8HRNSE 0.74 RAS-10HRNSE 0.88 25 20.38 21.68 22.36 23.08 24.55 26.04 30 20.09 21.42 22.12 22.85 24.31 25.84 35 19.22 20.74 21.59 22.40 23.83 25.10 40 18.21 19.71 20.56 21.45 23.04 24.33 25 25.83 27.56 28.48 29.41 31.22 33.03 30 24.92 27.00 27.90 28.73 30.46 31.89 35 24.23 26.15 27.09 28.00 29.62 31.21 40 23.14 24.96 25.87 26.79 28.56 30.05? NOTE: CAP max: Compressor capacity at maximum frequency (kw) CR: Correction ratio due to humidity. 128

Capacities and selection data 4.8. Maximum heating capacities of the outdoor units RAS-(2/2.5)HVRN1 Indoor air inlet temperature (WB) (ºC) Outdoor unit Outdoor air inlet temperature (WB) (ºC) 16 Max. CAP 18 Max. CAP 20 Max. CAP 22 Max. CAP 24 Max. CAP RAS-2HVRN1 RAS-2.5HVRN1-15 4.50 4.45 4.40 4.35 4.30-10 5.15 5.10 5.05 5.00 4.95-5 6.18 6.18 6.18 6.18 6.18 0 6.45 6.40 6.35 6.30 6.25 5 7.10 4.04 6.69 6.88 6.80 6 7.23 7.17 7.10 7.03 6.95 10 7.90 7.85 7.80 7.75 7.70 15 8.79 8.75 8.68 8.59 8.49-15 4.00 3.98 3.95 3.90 3.84-10 4.80 4.75 4.70 4.65 4.60-5 5.60 5.52 5.45 5.40 5.36 0 6.30 6.25 6.20 6.15 6.10 5 7.04 7.00 6.95 6.88 6.80 6 7.19 7.15 7.10 7.03 6.95 10 7.89 7.85 7.80 7.73 7.65 15 8.79 8.72 8.64 8.58 8.51 4 RAS-(3~6)HVRNS(E) Indoor air inlet temperature (WB) (ºC) Outdoor unit RAS-3HVRNS RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE Outdoor air inlet temperature (WB) ( C) 16 Max. CAP 18 Max. CAP 20 Max. CAP 22 Max. CAP 24 Max. CAP 26 Max. CAP 28 Max. CAP -10 5.80 5.70 5.60 5.60 5.50 - - -5 6.78 6.70 6.70 6.42 6.24 - - 0 7.82 7.72 7.43 7.43 6.98 - - 5 8.90 8.72 8.51 8.23 7.97 - - 10 9.94 9.66 9.32 9.06 8.82 - - 15 11.03 10.54 10.28 10.04 9.78 - - -10 8.05 8.00 7.90 7.80 7.60 7.40 7.30-5 9.50 9.30 9.25 9.20 9.10 9.00 9.00 0 10.85 10.95 10.90 10.80 10.70 10.55 10.50 5 12.40 12.20 12.15 12.10 12.05 12.00 12.00 10 13.95 13.85 13.80 13.70 13.60 13.50 13.40 15 15.30 15.25 15.15 15.10 15.10 15.00 15.00-10 10.75 10.60 10.45 10.35 10.30 10.25 10.20-5 12.30 12.20 12.15 12.10 12.05 12.00 11.95 0 14.20 14.10 14.00 13.90 13.80 13.60 13.50 5 15.90 15.80 15.70 15.60 15.30 15.20 15.10 10 17.80 17.70 17.60 17.40 17.20 17.05 17.00 15 19.75 19.65 19.50 19.35 19.10 19.00 18.40-10 11.40 11.30 11.25 11.20 11.20 11.15 11.10-5 13.60 13.45 13.40 13.30 13.20 13.15 13.10 0 15.70 15.65 15.50 15.30 15.15 15.10 15.00 5 17.85 17.80 17.60 17.45 17.15 17.10 17.00 10 20.00 19.90 19.80 19.65 19.40 19.30 19.20 15 22.20 22.10 22.00 21.85 21.75 21.55 21.40? NOTE: CAP max: Compressor capacity at maximum frequency (kw) 129

Capacities and selection data RAS-(8/10)HRNSE Indoor air inlet temperature (WB) (ºC) Outdoor unit Outdoor air inlet temperature (WB) (ºC) 16 Max. CAP 18 Max. CAP 20 Max. CAP 22 Max. CAP 24 Max. CAP 26 Max. CAP 28 Max. CAP RAS-8HRNSE RAS-10HRNSE -10 15.78 15.73 15.67 15.62 15.59 15.58 15.55-5 18.73 18.66 18.59 18.54 18.48 18.45 18.39 0 21.69 21.59 21.51 21.44 21.37 21.30 21.23 5 24.64 24.52 24.42 24.33 24.24 24.15 24.06 10 27.75 27.60 27.45 27.29 27.13 26.97 26.81 15 30.97 30.73 30.49 30.27 30.04 29.82 29.60-10 19.99 19.85 19.73 19.62 19.51 19.40 19.29-5 23.64 23.52 23.41 23.32 23.21 23.11 23.01 0 27.29 27.18 24.23 27.01 26.91 26.83 26.74 5 30.95 30.88 30.81 30.74 30.65 30.54 30.45 10 34.84 34.71 34.58 34.45 34.26 34.07 33.91 15 38.74 38.59 38.39 38.17 37.96 37.75 37.55?NOTE: CAP max: Compressor capacity at maximum frequency (kw) 4.9. Correction factors 4.9.1. Piping length correction factor The correction factor is based on the equivalent piping length in meters (EL) and the height between outdoor and indoor units in meters (H). H: Height between indoor unit and outdoor unit (m). H>0: Position of outdoor unit is higher than position of indoor unit (m). H<0: Position of outdoor unit is lower than position of indoor unit (m). L: Actual one-way piping length between indoor unit and outdoor unit (m). EL: Equivalent one-way piping length between indoor unit and outdoor unit (m). One 90º elbow is 0,5 m. One 180º bend is 1,5 m. One Multi-kit is 0,5 m. NOTE: In order to ensure correct unit selection, consider the farthest indoor unit. 130

Capacities and selection data RAS-(2/2.5)HVRN1 RAS-(2/2.5)HVRN1 Cooling Cooling capacity: The cooling capacity should be corrected according to the following formula: RAS-(3~10)H(V)RNS(E) RAS-3HVRNS 4 CCA = CC x F CCA: Actual corrected cooling capacity (kw). CC: Cooling capacity from cooling capacity table (kw). F: Correction factor based on the equivalent piping length (in %). Cooling RAS-4HVRNSE Cooling 131

Capacities and selection data RAS-5HVRNSE Cooling Cooling capacity: RAS-6HVRNSE The cooling capacity should be corrected according to the following formula: CCA = CC x F CCA: Actual corrected cooling capacity (kw). CC: Cooling capacity from cooling capacity table (kw). F: Correction factor based on the equivalent piping length (in %). Cooling RAS-8HRNSE Cooling RAS-10HRNSE Cooling 132

Capacities and selection data RAS-(2/2.5)HVRN1 RAS-(2/2.5)HVRN1 Heating Heating capacity The heating capacity should be corrected according to the following formula: RAS-(3~10)H(V)RNS(E) RAS-3HVRNS 4 HCA = HC x F HCA: Actual corrected heating capacity (kw) HC: Heating capacity from heating capacity table (kw). F: Correction factor based on the equivalent piping length (in %). Heating RAS-(4/5/6)HVRNSE Heating 133

Capacities and selection data RAS-(8/10)HRNSE Heating capacity The heating capacity should be corrected according to the following formula: HCA = HC x F HCA: Actual corrected heating capacity (kw) HC: Heating capacity from heating capacity table (kw). F: Correction factor based on the equivalent piping length (in %). Heating 4.9.2. Defrost correction factor The heating capacity does not include operation during frost or defrosting. When this type of operation is taken in account, the heating capacity must be corrected according to the following equation: Correction heating capacity = Correction factor x heating capacity Outdoor inlet air temp. (ºC DB) (HR = 85% ) -7-5 -3 0 3 5 7 NOTE: Defrost correction factor f d 0.95 0.93 0.88 0.85 0.87 0.90 1.00 - Defrost correction factor corresponds to a relative humidity of 85%. If the condition changes, the correction factor will be different. - Defrost correction factor is not valid for special conditions such as during snow or operation in a transitional period. Heating capacity Reduced capacity due to frost build-up Time 1 cycle Max. defrosting 9 min. 134

Capacities and selection data 4.10. Sensible heat factor (SHF) The sensible heat factor of indoor units at each fan speed (Hi, Me, Lo) based on the JIS Standard B8616, is given below: Indoor unit model SHF Hi Med Low RCI-1.5FSN2E 0.77 0.75 0.73 RCI-2.0FSN2E 0.78 0.76 0.75 RCI-2.5FSN2E 0.73 0.71 0.69 RCI-3.0FSN2E 0.79 0.76 0.72 RCI-4.0FSN2E 0.78 0.75 0.72 RCI-5.0FSN2E 0.74 0.70 0.68 RCI-6.0FSN2E 0.73 0.69 0.68 RCIM-1.5FSN2 0.74 0.71 0.70 RCIM-2.0FSN2 0.71 0.68 0.67 RCD-1.5FSN2 0.73 0.69 0.66 RCD-2.0FSN2 0.75 0.67 0.65 RCD-2.5FSN2 0.74 0.67 0.65 RCD-3.0FSN2 0.74 0.67 0.65 RCD-4.0FSN2 0.73 0.67 0.65 RCD-5.0FSN2 0.69 0.67 0.65 RPC-2.0FSN2E 0.72 0.70 0.67 RPC-2.5FSN2E 0.72 0.70 0.67 RPC-3.0FSN2E 0.72 0.70 0.67 RPC-4.0FSN2E 0.72 0.70 0.67 RPC-5.0FSN2E 0.72 0.70 0.67 RPC-6.0FSN2E 0.72 0.70 0.67 RPI-1.5FSN2E 0.73 0.69 0.65 RPI-2.0FSN2E 0.76 0.75 0.74 RPI-2.5FSN2E 0.76 0.74 0.72 RPI-3.0FSN2E 0.75 0.71 0.67 RPI-4.0FSN2E 0.73 0.71 0.65 RPI-5.0FSN2E 0.72 0.68 0.64 RPI-6.0FSN2E 0.72 0.69 0.67 RPI-8.0FSN2E 0.77 0.77 0.70 RPI-10.0FSN2E 0.79 0.79 0.72 RPIM-1.5FSN2E 0.71 0.68 0.64 RPK-1.5FSN2M 0.73 0.72 0.70 RPK-2.0FSN2M 0.72 0.72 0.70 RPK-2.5FSN2M 0.72 0.72 0.70 RPK-3.0FSN2M 0.71 0.72 0.70 RPK-4.0FSN2M 0.71 0.72 0.70 RPF-1.5FSN2E 0.73 0.69 0.65 RPF-2.0FSN2E 0.73 0.69 0.65 RPF-2.5FSN2E 0.73 0.69 0.65 RPFI-1.5FSN2E 0.73 0.69 0.65 RPFI-2.0FSN2E 0.73 0.69 0.65 RPFI-2.5FSN2E 0.73 0.69 0.65 4 135

Capacities and selection data 4.11. Fan performance 4.11.1. RPI(M)-(1.5~10.0)FSN2E RPIM-1.5FSN2E RPI-1.5FSN2E External static pressure (Pa) External static pressure (Pa) Air flow (m³/min) RPI-2.0FSN2E Air flow (m³/min) RPI-2.5FSN2E External static pressure (Pa) External static pressure (Pa) Air flow (m³/min) RPI-3.0FSN2E Air flow (m³/min) RPI-4.0FSN2E External static pressure (Pa) External static pressure (Pa) Air flow (m³/min) Air flow (m³/min) 136

Capacities and selection data RPI(M)-(1.5~10.0)FSN2E (Continued) RPI-5.0FSN2E RPI-6.0FSN2E External static pressure (Pa) External static pressure (Pa) External static pressure (Pa) Air flow (m³/min) RPI-8.0FSN2E * External static pressure (Pa) Air flow (m³/min) RPI-10.0FSN2E * 4 Air flow (m³/min) Air flow (m³/min) Meaning of the rated fan performance values Indoor unit RPI(M)-1.5FSN2E RPI-2.0~6.0FSN2E RPI-8.0/10.0FSN2E Static pressure settings Fan speed (RCS) Hi Med Low SP-01 v1 v2 v2 SP-00 (*1) v2 v2 v3 SP-02 v2 v2 v3 SP-01 v1 v2 v3 SP-00 (*1) v2 v3 v4 SP-02 v3 v3 v4 HSP v1 v1 v3 LSP (*1) v2 v2 v4 NOTES: : Nominal point V (1,2,3,4) : Fan motor speed (*): Standard air filter pressure loss (*1): Speed factory setting SP: Static pressure (Pa) LSP: Low static pressure HSP: High static pressure RCS: Remote control switch CAUTION: - For RPI 2.0~6.0 HP units, in the case of installations with a short duct, ensure that SP-02 is selected on the remote control switch. To configure SP-02, check the optional functions 02, low static pressure option. In case of RPI 8.0/10.0HP units, make sure that the low static pressure (LSP) option is selected. - Maintain a minimum resistance in the duct, as shown in the fan performance charts. If you turn on the unit with a duct that is too short, the unit will operate outside the acceptable working range. 137

Capacities and selection data 4.11.2. KPI Fan performance KPI-502E1E KPI-802E1E Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Duct length Ø 200 Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Static pressure (Pa) Duct length Ø 250 Static pressure (Pa) Air flow (m³/min) Air flow (m³/min) KPI-1002E1E KPI-1502E1E Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Duct length Ø 250 Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Static pressure (Pa) Static pressure (Pa) Duct length Ø 300 Air flow (m³/min) Air flow (m³/min) 138

Capacities and selection data KPI-2002E1E KPI-3002H1E Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Duct length Ø 355 Heat exchange efficiency (%) Temperature exchange efficiency Energy efficiency (heating) Energy efficiency (cooling) Duct length Ø 450 Static pressure (Pa) Static pressure (Pa) 4 Air flow (m³/min) Air flow (m³/min) 139

Capacities and selection data 4.12. Temperature distribution diagrams 4.12.1. RCI 4-way cassette type Vertical temperature distribution Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Horizontal temperature distribution (Height: 1.2 m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RCI-1.5FSN2E Air-throw distance: 2.7 m (with air speed of: 0.3 m/s) Model: RCI-2.0FSN2E Air-throw distance: 2.7 m (with air speed of: 0.3 m/s) Model: RCI-2.5FSN2E Air-throw distance: 2.7 m (with air speed of: 0.3 m/s) Model: RCI-3.0FSN2E Air-throw distance: 3.3 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 140

Capacities and selection data RCI 4-way cassette type (cont.) Vertical temperature distribution Horizontal temperature distribution (Height: 1.2 m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RCI-4.0FSN2E Air-throw distance: 3.3 m (with air speed of: 0.3 m/s) 4 Model: RCI-5.0FSN2E Air-throw distance: 3.3 m (with air speed of: 0.3 m/s) Model: RCI-6.0FSN2E Air-throw distance: 3.3 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 141

Capacities and selection data RCIM 4-way cassette type Vertical temperature distribution Horizontal temperature distribution (Height: 1.2 m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Cooling (Indoor temperature: 27 C DB/19 C WB) Model: RCIM-1.5FSN2 Air-throw distance: 2.7 m (with air speed of: 0.3 m/s) Model: RCIM-2.0FSN2 Air-throw distance: 2.7 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 142

Capacities and selection data 4.12.2. RCD 2-way cassette type Vertical temperature distribution Horizontal temperature distribution (Height: 1.2 m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RCD-1.5FSN2 Air-throw distance: 3.0 m (with air speed of: 0.3 m/s) 4 Model: RCD-2.0FSN2 Air-throw distance: 3.0 m (with air speed of: 0.3 m/s) Model: RCD-2.5FSN2 Air-throw distance: 3.0 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 143

Capacities and selection data RCD 2-way cassette type (cont). Vertical temperature distribution Horizontal temperature distribution (Height: 1.2 m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RCD-3.0FSN2 Air-throw distance: 3.1 m (with air speed of: 0.3 m/s) Model: RCD-4.0FSN2 Air-throw distance: 3.3 m (with air speed of: 0.3 m/s) Model: RCD-5.0FSN2 Air-throw distance: 3.3 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 144

Capacities and selection data 4.12.3. RPC Ceiling type Vertical temperature distribution Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RPC-(2.0/2.5)FSN2E Air-throw distance: 4.9 m (with air speed of: 0.5 m/s) Model: RPC-(3.0/4.0)FSN2E Air-throw distance: 6.9 m (with air speed of: 0.3 m/s) 4 Model: RPC-(5.0/6.0)FSN2E Air-throw distance: 7.5 m (with air speed of: 0.3 m/s)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 145

Capacities and selection data 4.12.4. RPK Wall type Vertical temperature distribution (m) Cooling (Indoor temperature: 27 C DB/19 C WB) Heating (Indoor temperature: 20 C DB) Model: RPK-(1.5/2.0)FSN2M Air-throw distance: 4.4 m (with air speed of: 0.3 m/s) (m) (m) Model: RPK-2.5FSN2M Air-throw distance: 4.5 m (with air speed of: 0.3 m/s) (m) (m) Model: RPK-3.0FSN2M Air-throw distance: 5.2 m (with air speed of: 0.3 m/s) (m) (m) Model: RPK-4.0FSN2M Air-throw distance: 6.2 m (with air speed of: 0.3 m/s) (m)? NOTE: The air is discharged almost symmetrically. These figures show the distribution when no obstruction is present. 146

Capacities and selection data 4.13. Sound data 4.13.1. RCI 4-way cassette type Model: RCI-1.5 Measurement point: Power supply: 230 V 50 Hz 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 32/30/28 db(a) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Frequency (Hz) Model: RCI-2.0 Power supply: 230 V 50 Hz Model: RCI-2.5 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 32/30/28 db(a) Acoustic criteria curve Hi/Me/Lo: 32/30/28 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 147

Capacities and selection data Model: RCI-3.0 Power supply: 230 V 50 Hz Model: RCI-4.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 34/32/30 db(a) Acoustic criteria curve Hi/Me/Lo: 38/35/33 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RCI-5.0 Power supply: 230 V 50 Hz Model: RCI-6.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 39/37/35 db(a) Acoustic criteria curve Hi/Me/Lo: 42/40/36 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 148

Capacities and selection data RCIM 4-way cassette type Model: RCIM-1.5 Power supply: 230 V 50 Hz Model: RCIM-2.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Med/Lo: 38/35/33 db(a) Acoustic criteria curve Hi/Med/Lo: 42/39/37 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 149

Capacities and selection data 4.13.2. RCD 2-way cassette type Model: RCD-1.5 Measurement point: Power supply: 230 V 50 Hz 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 35/32/30 db(a) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Frequency (Hz) Model: RCD-2.0 Power supply: 230 V 50 Hz Model: RCD-2.5/3.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 35/32/30 db(a) Acoustic criteria curve Hi/Me/Lo: 38/34/31 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 150

Capacities and selection data Model: RCD-4.0 Power supply: 230 V 50 Hz Model: RCD-5.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 40/36/33 db(a) Acoustic criteria curve Hi/Me/Lo: 43/40/36 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 4.13.3. RPC Ceiling type Model: RPC-2.0 Power supply: 230 V 50 Hz Model: RPC-2.5 Power supply: 230 V 50 Hz Measurement point: 1 meter below the unit 1 meter from the impulse louver Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 44/42/38 db(a) Acoustic criteria curve Hi/Me/Lo: 46/43/41 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 151

Capacities and selection data Model: RPC-3.0 Power supply: 230 V 50 Hz Model: RPC-4.0 Power supply: 230 V 50 Hz Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 48/45/42 db(a) Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 49/45/39 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RPC-5.0 Power supply: 230 V 50 Hz Model: RPC-6.0 Power supply: 230 V 50 Hz Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 49/46/41 db(a) Hi/Me/Lo: 50/48/44 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 152

Capacities and selection data 4.13.4. RPI In-the-ceiling type Model: RPI-1.5 Power supply: 230 V 50 Hz Model: RPI-2.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Lo: 34/31 db(a) Acoustic criteria curve Hi/Lo: 33/29 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RPI-2.5 Power supply: 230 V 50 Hz Model: RPI-3.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Lo: 35/30 db(a) Acoustic criteria curve Hi/Lo: 35/31 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 153

Capacities and selection data Model: RPI-4.0 Power supply: 230 V 50 Hz Model: RPI-5.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Lo: 37/35 db(a) Acoustic criteria curve Hi/Me/Lo: 39/36 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RPI-6.0 Power supply: 230 V 50 Hz Model: RPI-8.0 Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit Measurement point: 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 40/38 db(a) Acoustic criteria curve Hi/Me/Lo: 54/54/51 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 154

Capacities and selection data Model: RPI-10.0 Measurement point: Power supply: 230 V 50 Hz 1.5 meters below the unit Acoustic criteria curve Hi/Me/Lo: 55/55/52 db(a) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Frequency (Hz) RPIM In-the-ceiling type (cont.) Model: RPIM-1.5 Measurement point: Power supply: 230 V 50 Hz 1.5 meters below the unit Acoustic criteria curve Hi/Lo: 33/29 db(a) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Frequency (Hz) 155

Capacities and selection data 4.13.5. RPK Wall type Model: RPK-1.5 Power supply: 230 V 50 Hz Model: RPK-2.0 Power supply: 230 V 50 Hz Measurement point: 1 meter below the unit 1 meter from the impulse louver Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 40/38/36 db(a) Acoustic criteria curve Hi/Me/Lo: 41/39/37 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RPK-2.5/3.0 Power supply: 230 V 50 Hz Model: RPK-4.0 Power supply: 230 V 50 Hz Measurement point: 1 meter below the unit 1 meter from the impulse louver Measurement point: 1 meter below the unit 1 meter from the impulse louver Acoustic criteria curve Hi/Me/Lo: 43/40/37 db(a) Acoustic criteria curve Hi/Me/Lo: 49/46/43 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 156

Capacities and selection data 4.13.6. RPF Floor type Model: RPF-1.5 Measurement point: Power source: 230 V 50 Hz 1 m from floor level 1 m from the unit front surface Acoustic criteria curve Hi/Me/Lo: 38/35/31 db(a) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Frequency (Hz) Model: RPF-2.0 Power supply: 230 V 50 Hz Model: RPF-2.5 Power source: 230 V 50 Hz Measurement point: 1 m from floor level Measurement point: 1 m from floor level 1 m from the unit front surface 1 m from the unit front surface Acoustic criteria curve Hi/Me/Lo: 39/36/32 db(a) Acoustic criteria curve Hi/Me/Lo: 42/38/34 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 157

Capacities and selection data 4.13.7. RPFI Floor concealed type Model: RPFI-1.5 Measurement point: Power supply: 230 V 50 Hz 1 m from floor level 1 m from the unit front surface Acoustic criteria curve Hi/Me/Lo: 38/35/31 db(a) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Frequency (Hz) Model: RPFI-2.0 Power supply: 230 V 50 Hz Model: RPFI-2.5 Power supply: 230 V 50 Hz Measurement point: 1 m from floor level 1 m from the unit front surface Acoustic criteria curve Measurement point: 1 m from floor level 1 m from the unit front surface Acoustic criteria curve Hi/Me/Lo: 39/36/32 db(a) Hi/Me/Lo: 42/38/34 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 158

Capacities and selection data 4.13.8. KPI Model: KPI-502E1E Power supply: 230 V 50 Hz Model: KPI-802E1E Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit with noise protected duct Measurement point: 1.5 meters below the unit with noise protected duct Acoustic criteria curve E-Hi/Hi/Me/Lo: 35/34/32/31 db(a) Acoustic criteria curve E-Hi/Hi/Me/Lo: 36/34/33/32 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) 4 Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: KPI-1002E1E Power supply: 230 V 50 Hz Model: KPI-1502E1E Power supply: 230 V 50 Hz Measurement point: 1.5 meters below the unit with noise protected duct Measurement point: 1.5 meters below the unit with noise protected duct Acoustic criteria curve E-Hi/Hi/Me/Lo: 38/37/34/32 db(a) Acoustic criteria curve E-Hi/Hi/Me/Lo: 40/39/37/35 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 159

Capacities and selection data Model: KPI-1502E1E Power source: 230 V 50 Hz Model: KPI-3002H1E Power source: 230 V 50 Hz Measurement point: 1.5 meters below the unit with noise Measurement point: 1.5 meters below the unit with noise protected duct protected duct Acoustic criteria curve Hi/Me/Lo: 41/40/37 db(a) Acoustic criteria curve Hi/Me/Lo: 45/43/40 db(a) Octave sound pressure (db (C)) Octave sound pressure (db (C)) Frequency (Hz) Frequency (Hz) 160

Capacities and selection data 4.13.8. RAS UTOPIA DC INVERTER ES outdoor units RAS-(2/2.5)HVRN1 Model: RAS-2HVRN1 Power supply: 230 V, 50 Hz Model: RAS-2.5HVRN1 Power supply: 230 V, 50 Hz Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 45/47/43 db(a) Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 46/48/44 db(a) Octave sound pressure (db (C)) Heating Cooling Octave sound pressure (db (C)) Heating Cooling 4 Night mode Night mode Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) RAS-(3~10)H(V)RNS(E) Model: RAS-3HVRNS Power supply: 230 V, 50 Hz Model:RAS-4HVRNSE Power supply: 230 V, 50 Hz Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 48/50/46 db(a) Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 50/52/48 db(a) Octave sound pressure (db (C)) Heating Cooling Night mode Octave sound pressure (db (C)) Heating Cooling Night mode Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 161

Capacities and selection data Model: RAS-5HVRNSE Power supply: 230 V, 50 Hz Model:RAS-6HVRNSE Power supply: 230 V, 50 Hz Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 52/54/50 db(a) Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 55/57/53 db(a) Octave sound pressure (db (C)) Heating Cooling Night mode Octave sound pressure (db (C)) Heating Cooling Night mode Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) Model: RAS-8HRNSE Power supply: 400 V, 50 Hz Model:RAS-10HRNSE Power supply: 400 V, 50 Hz Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 53/55/51 db(a) Measurement point: 1 meter from the unit front surface 1.5 m from floor level Acoustic criteria curve Cooling/Heating/Night mode: 60/62/56 db(a) Octave sound pressure (db (C)) Heating Night mode Cooling Octave sound pressure (db (C)) Heating Night mode Cooling Approximate continuous noise detection threshold Approximate continuous noise detection threshold Frequency (Hz) Frequency (Hz) 162

Working range 5. Working range This chapter shows the working range of the new UTOPIA DC INVERTER ES series. Contents 5. Working Range...163 5.1. Power supply... 164 5.2. Temperature range... 164 5 163

Working range 5.1. Power supply Operating voltage Voltage imbalance Starting voltage 90% to 110% of the nominal voltage Within a 3% deviation from each voltage at the main terminal of the outdoor unit Higher than 85% of the nominal voltage Following Council Directive 89/336/EEC and amendments 92/31/EEC and 93/68/ EEC, relating to electromagnetic compatibility, the following table indicates maximum permissible system impedance Z max at the interface point of the user s power supply, in accordance with EN61000-3-11. MODEL Z max (Ω) RAS-3HVRNS 0,44 RAS-4HVRNSE 0,31 RAS-5HVRNSE 0,29 RAS-6HVRNSE 0,29 RAS-8HRNSE - RAS-10HRNSE - Harmonics situation of each model regarding IEC 61000-3-2 and IEC 61000-3-12 is as follows: 5.2. Temperature range MODELS SITUATION REGARDING IEC 61000-3-2 AND IEC 61000-3-12 Equipment complying with IEC 61000-3-2 (professional use) Equipment complying with IEC 61000-3-12 The temperature range is indicated in the following table: MODELS RAS-2HVRNSE RAS-2.5HVRNSE RAS-3HVRNSE RAS-4HVRNSE RAS-5HVRNSE RAS-6HVRNSE RAS-8HRNSE RAS-10HRNSE?NOTES: DB: dry bulb; WB: wet bulb Indoor temperature Outdoor temperature (*) -15ºC WB for RAS-2/2.5HVRN1 Operation with cooling Operation with heating Minimum 21 C DB/15 C WB 15 C DB Maximum 32 C DB/23 C WB 27 C DB Minimum -5 C DB -10 C WB (*) Maximum 43 C DB 15 C WB Operation control range Temperature range diagram: Operation with cooling Operation with heating Outside air temperature ( C DB) Outside air temperature ( C WB) Indoor air inlet temperature ( C WB) Indoor air inlet temperature ( C DB) 164

Refrigerant cycle 6. Refrigerant cycle This section shows the refrigerant cycle diagrams for the units of the new UTOPIA DC INVERTER ES series. Contents 6. Refrigerant cycle...165 6.1. Example of single combination... 166 6.2. Example of twin combination... 167 6.3. Example of triple combination... 168 6.4. Example of quad combination... 169 6 165

Refrigerant cycle 6.1. Example of single combination RAS-3HVRNS R410A 4.15 MPa Refrigerant flow for cooling Refrigerant flow for heating Refrigerant piping in the installation Connection with flare nut Flange connection Brazing connection Refrigerant Airtight test pressure No. Name of item 1 Compressor 2 Heat exchanger 3 Acumulator 4 Expansion valve 5 Reverse valve 6 Strainer (1/4) 7 Distributor 8 Check joint 9 High-pressure switch (protection) 10 Pressure switch (control) 11 Stop valve for gas line 12 Stop valve for liquid line No. Name of item 13 Ambient thermistor 14 Evaporator pipe thermistor 15 Discharge gas thermistor 16 Indoor exchanger 17 Strainer 18 Expansion valve 19 Distributor 166

Refrigerant cycle 6.2. Example of twin combination RAS-5HVRNSE 6 R410A 4.15 MPa Refrigerant flow for cooling Refrigerant flow for heating Refrigerant piping in the installation Connection with flare nut Flange connection Brazing connection Refrigerant Airtight test pressure No. Name of item 1 Compressor 2 Heat exchanger 3 Silencer 4 Expansion valve 5 Reverse valve 6 Solenoid valve 7 Strainer 8 Distributor 9 Check joint 10 High-pressure switch (protection) 11 Pressure switch (control) 12 Stop valve for gas line No. Name of item 13 Stop valve for liquid line 14 Ambient thermistor 15 Evaporator pipe thermistor 16 Discharge gas thermistor 17 Capillary tube 18 Silencer 19 Multikit (liquid) 20 Multikit (gas) 21 Indoor exchanger 22 Strainer 23 Expansion valve 24 Distributor 167

Refrigerant cycle 6.3. Example of triple combination RAS-6HVRNSE R410A 4.15 MPa Refrigerant flow for cooling Refrigerant flow for heating Refrigerant piping in the installation Connection with flare nut Flange connection Brazing connection Refrigerant Airtight test pressure No. Name of item 1 Compressor 2 Heat exchanger 3 Silencer 4 Expansion valve 5 Reverse valve 6 Solenoid valve 7 Filter 8 Distributor 9 Check joint 10 High-pressure switch (protection) 11 Pressure switch (control) 12 Stop valve for gas line No. Name of item 13 Stop valve for liquid line 14 Ambient thermistor 15 Evaporator pipe thermistor 16 Discharge gas thermistor 17 Capillary tube 18 Silencer 19 Multikit (liquid) 20 Multikit (gas) 21 Indoor exchanger 22 Silencer 23 Expansion valve 24 Distributor 168

Refrigerant cycle 6.4. Example of quad combination RAS-10HRNSE 6 R410A 4.15 MPa Refrigerant flow for cooling Refrigerant flow for heating Refrigerant piping in the installation Connection with flare nut Flange connection Brazing connection Refrigerant Airtight test pressure No. Name of item 1 Compressor 2 Heat exchanger 3 Silencer 4 Expansion valve 5 Reverse valve 6 Solenoid valve 7 Filter 8 Distributor 9 Check joint 10 High-pressure switch (protection) 11 Pressure switch (control) 12 Stop valve for gas line No. Name of item 13 Stop valve for liquid line 14 Ambient thermistor 15 Evaporator pipe thermistor 16 Discharge gas thermistor 17 Capillary tube 18 Silencer 19 Multikit (liquid) 20 Multikit (gas) 21 Indoor exchanger 22 Silencer 23 Expansion valve 24 Distributor 169

Piping and refrigerant charge 7. Piping and refrigerant charge This section describes how to connect the refrigerant piping and change the amount of refrigerant in the system for the UTOPIA DC INVERTER ES series. Contents 7. Piping and refrigerant charge...171 7.1. Refrigerant piping selection...172 7.1.1. Refrigerant piping range...172 7.1.2. Refrigerant piping length by dip switch setting...173 7.1.3. Selecting the refrigerant piping...174 7.2. Multikits and distributors...175 7.2.1. Multikits for twin installation...175 7.2.3. Distribution method...177 7.2.3. Copper pipes and sizes...179 7.3. Amount refrigerant charge...181 7.3.1. Additional refrigerant charge calculation (R410A)...181 7.3.2. Simple example of refrigerant charge quantity calculation...182 7.4. Caution in case of refrigerant leakage...183 7.4.1. Maximum permitted concentration of HFCs...183 7.4.2. Calculation of refrigerant concentration...183 7.4.3. Countermeasure for refrigerant leakage...184 7 171

Piping and refrigerant charge 7.1. Refrigerant piping selection 7.1.1. Refrigerant piping range CAUTION: The liquid piping and the gas piping must be of the same length and run along the same route. Multikits for multiple connections (optional accessory as system parts) must be used to install the branch pipe to the indoor unit. Install Multikits on the same horizontal level. Piping system Single system Twin system Triple system L= A + the longest of B and C L= A + the longest of B, C and D Quad system L= A + B + longest of D, E and A + C + longest of F and G. NOTE: L and H are the length and height indicated in the above chart. For twin, triple and quad systems, the length is the distance between the outdoor unit and the farthest indoor unit. (m) Mark Maximum piping length 2/2.5 HP 3 HP 4~6 HP 8/10 HP L Actual piping length Equivalent piping length 30 40 30 40 50 70 50 70 H Outdoor unit higher than indoor unit Indoor unit higher than outdoor unit Height difference between indoor units. 30 20 0,5 30 20 0,5 30 20 0,5 30 20 0,5 Total piping length 40 (Twin) 40 (Twin) 60 (Triple) 70 (Twin) 60 (Triple) 70 (Quad) 80 172

Piping and refrigerant charge Piping length after branch pipe (B,C and D for single, twin and triple system),(b,c,d,e,f and G for quad system): 1. After branch pipe, the pipe length should be under 10 m. 2. All branch piping B, C, D, E, F and G (as appropriate), should be balanced, and the difference between these sections cannot be greater than indicated in the table below. (m) RAS-(3~6)HVRNS(E) RAS-(8/10)HRNSE Twin Difference between B and C. 8 8 Triple Difference between B, C and D. 6 8 Quadruple Difference between (D+B)-(F+C), (D+B)-(G+C), (E+B)-(F+C), (E+B)-(G+C), D-E, F-G. - 8 7.1.2. Refrigerant piping length by dip switch setting The refrigerant piping between the indoor and outdoor units must be designed using the following chart. Keep the design within the dark area of the chart, which shows the applicable height difference according to piping length. If the length is under 5 meters, contact the Hitachi dealer. Height difference (m) When outdoor unit is installed higher than indoor unit Total length between outdoor unit and each indoor unit. Setting before shipment 7 When outdoor unit is installed lower than indoor unit Piping length specification (m) Capacity Liquid Ø6.35 Ø9.53 Ø12.7 5* Ø15.88 Gas Ø12.7 Ø15.88 Ø19.05 Ø12.7 Ø15.88 Ø19.05 Ø22.2 Ø25.4 Ø15.88 Ø19.05 Ø22.2 Ø25.4 Ø28.6 Ø25.4 Ø28.6 RAS-2/2.5HVRN1 30 30-15 3* 15 3* - - - - - - - - - - RAS-3HVRNS 20 1*2* 20 2* - 30 1* 30 - - - - - - - - - - RAS-(4~6)H(V)RNSE - 5 2* 5 2* 40 1* 50 50 4* - - 30 3* 30 3*4* - - - - - RAS-8HRNSE - - - - - 30 1*4* 30 1* 50-30 1*3*4* 30 1*3* 30 3* - - - RAS-10HRNSE - - - - - - - 30 5* - - 30 1*3* 50 3*5* 50 3* 20 3* 20 3* (1*) If the gas piping is smaller, the cooling performance drops, and the operating range is reduced because the pressure loss in the gas piping increases. (2*) If the liquid piping is smaller the expansion valve capacity of the indoor unit is reduced. (3*) If the liquid piping is larger refrigerant has to be added. (4*) If the gas piping is Ø 19.05, the JP6 jumper of the outdoor unit PCB should be cut off. (5*) When the liquid piping length is more than 30m, select the liquid piping size of Ø 12.70. Standard specification 173

Piping and refrigerant charge 7.1.3. Selecting the refrigerant piping Select the piping connection sizes according to the following procedures: Between outdoor unit and branch piping: Select the same piping connection size as the piping size of the outdoor unit. Between branch piping and indoor unit: Select the same piping connection size as the piping size of the indoor unit. Piping connection size of outdoor units and Multikit & Distributor (mm) Outdoor unit Pipe size Multikit & Distributor Liquid piping Gas piping Twin Triple Quad RAS-3HVRNS 9.53 15.88 TE-03N - - RAS-4HVRNSE 9.53 15.88 TE-04N - - RAS-5HVRNSE 9.53 15.88 TE-56N - - RAS-6HVRNSE 9.53 15.88 TE-56N TRE-06N - RAS-8HRNSE 9.53 25.4 TE-08N TRE-810N TE-08N + TE-04N + TE-04N RAS-10HRNSE 9.53 25.4 TE-08N - TE-08N + TE-56N + TE-56N NOTE: The sizes of the indoor and outdoor units are different. Adjust the flare adapter (accessories) to the joint part of the indoor piping. Piping connection size of indoor units (mm) Indoor unit Gas piping size Liquid piping size 1.5 HP 12.7 6.35 2 HP 15.88 6.35 2.5~6 HP 15.88 9.53 8 HP* 19.05 25.4 (1*) 9.53 10 HP* 22.2 25.4 (1*) 9.53 (2*) NOTE: If using different piping from the standard values, piping reducers will be supplied by the installer. (*1) Ø19.05 Ø25.4 and Ø22.2 Ø25.4 indoor pipe adapters are factory supplied with the indoor unit. (*2) Change the liquid piping size to Ø12.7 when the piping length is more than 30m. Indoor unit pipe adapter si factory suppliedwith he indoor unit. 174

Piping and refrigerant charge 7.2. Multikits and distributors 7.2.1. Multikits for twin installation (mm) GAS PIPING LIQUID PIPING 7 TE-08N TE-56N TE-04N TE-03N 175

Piping and refrigerant charge Distributors for triple installation (mm) GAS PIPING LIQUID PIPING TRE-810N TRE-06N 176

Piping and refrigerant charge 7.2.3. Distribution method In the installation of a multiple system, the following aspects must be taken into account: Height difference between indoor units and distributor. Install all indoor units at the same height. When a height difference is unavoidable between the indoor units due to the construction of the building, it should always be less than 0.5 meters. Install the branch piping at the same height or lower than the indoor units, but never higher. Example: Twin system Indoor unit Indoor unit Height Difference between two indoors smaller than 0.5 m. Branch pipe Smaller than 0.5 m. Installing distributor 1. Install the distributor supplied on request by HITACHI. A T-junction cannot be installed in place of a branch pipe. Example: Twin system 7 2. Installing the distributor. Fix the branch pipe horizontally to the pillar, wall or ceiling. The piping must not be fixed rigidly to the wall as thermal expansion and contraction can cause pipe fracture. Example: Twin system NOTE: If using different piping from the standard values,piping reducers will be supplied by the installer. To indoor unit Horizontal To indoor unit Vertical Horizontal Horizontal To outdoor unit Fixing branch pipe to surface of pillar or wall. Fixing branch pipe to ceiling or beam 177

Piping and refrigerant charge 3. Distributor position. Twin system: This is the correct position of the double branch pipe: Top Higher than 0.5 m Main piping Refrigerant direction Branch pipe Main piping Refrigerant direction Bottom This is the wrong position: CAUTION: Top Do not use saws, grindstones or other tools which might create copper dust. When cutting pipes, secure the part to be soldered as shown in chapter 2 of the Service Manual (SMGB0052) Branch piping Main piping Refrigerant direction Branch piping Bottom Main piping Branch piping Triple system: Install the header horizontally. Example: Triple branch piping Gas piping Liquid piping 178

Piping and refrigerant charge 7.2.3. Copper pipes and sizes 1. Prepare locally-supplied copper pipes. 2. Select the pipe size of a suitable thickness and material. Use the table below to select the required piping. NOTE: If copper pipe is used for piping larger than Ø19.05, flaring work can not be performed. If necessary, use a joint adapter Nominal diameter (mm) (in.) Thickness (mm) Copper type 6.35 1/4 0.80 Rolled 9.53 3/8 0.80 Rolled 12.7 1/2 0.80 Rolled 15.88 5/8 1.00 Rolled 19.05 3/4 1.00 Piping 22.2 7/8 1.00 Piping 25.4 1 1.00 Piping 28.6 1-1/8 1.00 Piping CAUTION: Do not use saws, grindstones or other tools which might create copper dust. When cutting pipes, secure the part for brazing in accordance to national and local regulations. Use security glasses and gloves for cutting or welding works. 3. Use clean copper pipes. Make sure there is no dust and moisture inside. Blow the inside of the pipes through with oxygen-free nitrogen to remove any dust and foreign materials before connecting pipes. 4. After connecting the refrigerant piping, seal the open space between the knockout hole and refrigerant pipes by using insulation material as shown below: Insulator Insulator Field-supplied Refrigeration pipe Insulator 7 179

Piping and refrigerant charge NOTE: - A system with no moisture or oil contamination will give maximum performance and life-cycle as compared with a poorly prepared system. Take particular care to ensure that all copper piping is clean and dry internally. - To ensure this, blow oxygenfree nitrogen through the pipes. Piping connections Fix the connecting pipe as shown in the following figure. Use the insulation attached to the indoor unit. Indoor unit Use the flare nut of the indoor unit Insulate this part with the insulation material supplied Fix this part with the bracket supplied or with tape Refrigerant piping in the installation CAUTION: - Cap the end of the pipe when the pipe is to be inserted through a hole. - Do not place pipes directly on the ground without a cap or vinyl tape covering the end, as it s shown in the right figures. - If piping installation cannot be completed until the following day or longer. solder the ends of the piping closed and load with oxygen-free nitrogen using an access device such as a Schrader valve to avoid moisture and contamination by extraneous particles. - Do not use insulation material that contents NH3 because can damage cooper pipe material and can be a source of future leakage. Insulation Insulation attached Brazing to indoor unit Make flares after attaching flare nut to the connecting pipe in the multi-kit package Right Field-supplied insulation Wrong Attach insulation packet with multi-kit to each branch utilizing vinyl tape. Also attach insulation to field-supplied piping to prevent capacity decrease due to ambient air conditions and dewing on pipe surface caused by low pressure. NOTE: When polyethylene foam is applied. a thickness of 10mm for the liquid piping and 15mm to 20mm for the gas piping is recommended. CAUTION: Perform insulation work when the surface temperature reaches the room temperature. Otherwise it is possible that the insulation will melt. If the ends of the piping system are open after accomplishing piping work. securely attach caps or vinyl bags to the ends of the piping. avoiding the invasion of moisture and dust. 180

Piping and refrigerant charge 7.3. Amount refrigerant charge 7.3.1. Additional refrigerant charge calculation (R410A) Although refrigerant has been charged into this unit, additional refrigerant charge is required according to piping length. The additional refrigerant quantity should be determined and charged into the system according to the following procedure. Record the additional refrigerant quantity in order to facilitate maintenance and servicing activities. Single type Piping Length: L=A CAUTION: When loading refrigerant, measure the amount precisely. Overloading or underloading of refrigerant may cause compressor problems. If the actual piping length is less than 5 m. consult your dealer. Twin and triple type Piping Length: L=A+B+C+D The above figure shows case of triple type Quad type Piping Length: L=A+B+C+D+E+F+G Calculating method of additional refrigerant charge (W kg) Calculate the additional refrigerant charge amount according to the following steps: 7 Step 1: Additional refrigerant charge calculation for liquid piping (W 1 (kg)) Outdoor units has been charged with refrigerant for 30 m of actual piping length. An additional refrigerant charged is required in systems with actual piping length longer than 30 m. NOTE: (*) In the case of RAS-3/4HVRNS(E) units, the formula for calculating refrigerant: W=(L-20)XP W 1 = (L-30) ( * ) x P L: Total piping length (m) P: Corresponding rate (Refer to the following table) Outdoor unit Corresponding rate (P) (kg/m 3 ) RAS-(2/2.5/3)HVRN(S)(1) 0,03 RAS-4HVRNSE 0,04 RAS-(5/6)HVRNSE 0,06 RAS-8HRNSE 0,065 RAS-10HRNSE 0,12 181

Piping and refrigerant charge Step 2: Charging work Charge refrigerant (R410A) into the system according to the instructions described in the SMGB0052_rev1. Step 3: Record of additional charge The total refrigerant charge of this system is calculated with the following formula: Total refrigerant charge: W TOT = W 0 + W 1 This system = + = kg NOTE: When the additional refrigerant charge is over the maximum additional refrigerant charge allowed by the unit, it s necessary to adjust the piping length of the installation. W 0 is the outdoor unit refrigerant charge before shipment, and it s shown in the following table: Outdoor unit W 0 outdoor unit refrigerant charge (kg) RAS-8HRNSE 6.0 RAS-10HRNSE 6.2 Record the refrigerant charge quantity in order to facilitate maintenance and servicing activities. Total additional charge W Total ref. charge of this system kg kg Date of ref. charge work Year Month Day 7.3.2. Simple example of refrigerant charge quantity calculation Calculate the additional refrigerant charge amount according to the following example: (Calculation example) RAS-10HRNSE Step 1: Additional refrigerant charge calculation for liquid piping (W 1 (kg)) Piping Length L = A+B+C = 30+8+10 = 48m W 1 (Additional ref. amount) = (L-30) x P = (48-30) x 0.12 = 2.16 kg Step 2: Calculation of total refrigerant charge (W TOT (kg)) W TOT = W 1 + W 0 = 2.16 + 6.2 = 8.36 kg 182

Height 2.5 m Piping and refrigerant charge 7.4. Caution in case of refrigerant leakage The installers and those responsible for drafting the specifications are obliged to comply with local safety codes and regulations in the case of refrigerant leakage. 7.4.1. Maximum permitted concentration of HFCs The refrigerant R410A, charged in the UTOPIA DC-INVERTER ES series system, is an incombustible and non-toxic gas. However, if leakage occurs and gas fills a room, it may cause suffocation. The maximum permissible concentration of HFC gas, R410A in air is 0.44 kg/m³, according to EN378-1. Therefore, some effective measure must be taken to lower the R410A concentration in air below 0.44 kg/ m³, in case of leakage. 7.4.2. Calculation of refrigerant concentration 1. Calculate the total quantity of refrigerant R (kg) charged in the system by connecting all the indoor units in the rooms to be air-conditioned. 2. Calculate the room volume V (m³) of each room. 3. Calculate the refrigerant concentration C (kg/m³) of the room according to the following equation: R = C V R: Total quantity of refrigerant charged (kg) V: Room volume (m³) C: Refrigerant concentration (=0.44* kg/m³ for R410A) Example of application System A outdoor unit System A Refrigerant: 12 Kg System B Refrigerant: 10 Kg System B outdoor unit 7 Floor Floor Floor 20 m 2 40 m 2 40 m 2 Floor 200 m 2 Floor 60 m 2 Ventilator fan 2 m 3 /min Gas leak detector Opening: 0.06 m 2 Room R (kg) V (m³) C (kg/m³) Countermeasure A 12 50 0,24 - B+C 12 200 0,06 - D 22 500 0,044 - E 10 150 0,067-183

Piping and refrigerant charge 7.4.3. Countermeasure for refrigerant leakage The facility must have the following features in case of a refrigerant leakage occurs: 1. Provide a shutterless opening which will allow fresh air to circulate into the room. 2. Provide a doorless opening of 0.15% or more size to the floor area. 3. There must be a ventilator fan connected to a gas leak detector, with a ventilator capacity of 0.4 m³/ min or higher per Japanese refrigeration ton (= compressor displacement volume / 5.7 m³/h) of the air conditioning system using the refrigerant. Model Tonnes RAS-2/2.5HVRN1 0.88 RAS-3HVRNS 1.14 RAS-4HVRNSE 1.67 RAS-(5/6)HVRNSE 2.27 RAS-(8/10)HRNSE 4.11 4. Pay a special attention to the place, such as a basement, etc., where refrigerant can stay, since refrigerant is heavier than air. 184

Electrical data 8. Electrical data This chapter describes the electrical requirements for each unit of the new UTOPIA DC INVERTER ES series. Contents 8. Electrical Data...185 8.1. Indoor units... 186 8.2. Outdoor units... 187 8.2.1. RAS-(2~3)HVRN1/HVRNS... 187 8.2.2. RAS-(4~6)HVRN(S)E... 187 8.2.3. RAS-(8/10)HRNSE... 188 8.3. Complementary system KPI... 189 8 185

Electrical data. 8.1. Indoor units 4-way cassette type 2-way cassette type Model U [V] Main unit power PH f [Hz] Applicable voltage U max. [V] U min [V] IPT [kw] RNC [A] Fan motor Max. IPT [kw] Max. Cur. [A] RCIM-1.5FSN2 220/240 253 207 0.07 0.4 0.08 5.0 1 50 RCIM-2.0FSN2 220/240 253 207 0.07 0.4 0.08 5.0 RCI-1.5FSN2E 230 253 207 0.05 0.2 0.05 5.0 RCI-2.0FSN2E 230 253 207 0.05 0.2 0.05 5.0 RCI-2.5FSN2E 230 253 207 0.06 0.3 0.06 5.0 RCI-3.0FSN2E 230 1 50 253 207 0.09 0.4 0.09 5.0 RCI-4.0FSN2E 230 253 207 0.11 0.7 0.11 5.0 RCI-5.0FSN2E 230 253 207 0.14 0.8 0.14 5.0 RCI-6.0FSN2E 230 253 207 0.18 1.0 0.18 5.0 RCD-1.5FSN2 220/240 253 207 0.08-0.07 0.3-0.4 0.10 5.0 RCD-2.0FSN2 220/240 253 207 0.08-0.07 0.3-0.4 0.10 5.0 RCD-2.5FSN2 220/240 253 207 0.09-0.11 0.4-0.5 0.13 5.0 1 50 RCD-3.0FSN2 220/240 253 207 0.11-0.13 0.5-0.6 0.15 5.0 RCD-4.0FSN2 220/240 253 207 0.12-0.14 0.6 0.17 5.0 RCD-5.0FSN2 220/240 253 207 0.18-0.20 0.8-0.9 0.24 5.0 Ceiling type RPC-2.0FSN2E 230 253 207 0.13 0.5 0.18 5.0 RPC-2.5FSN2E 230 253 207 0.13 0.6 0.18 5.0 RPC-3.0FSN2E 230 253 207 0.17 0.8 0.23 5.0 1 50 RPC-4.0FSN2E 230 253 207 0.18 0.8 0.24 5.0 RPC-5.0FSN2E 230 253 207 0.23 1.1 0.31 5.0 RPC-6.0FSN2E 230 253 207 0.23 1.1 0.31 5.0 Duct type RPIM-1.5FSN2E 230 1 50 253 207 0.09 0.3 0.09 5.0 RPI-1.5FSN2E 230 253 207 0.07 0.4 0.09 5.0 RPI-2.0FSN2E 230 253 207 0.13 0.6 0.17 5.0 RPI-2.5FSN2E 230 253 207 0.14 0.6 0.19 5.0 RPI-3.0FSN2E 230 1 50 253 207 0.20 0.9 0.30 5.0 RPI-4.0FSN2E 230 253 207 0.28 1.4 0.37 5.0 RPI-5.0FSN2E 230 253 207 0.30 1.5 0.37 5.0 RPI-6.0FSN2E 230 253 207 0.33 1.7 0.45 5.0 RPI-8.0FSN2E 230 253 207 0.97 4.5 1.75 10.0 1 50 RPI-10.0FSN2E 230 253 207 1.06 4.8 1.91 10.0 Wall type RPK-1.5FSN2M 220/240 Floor type 253 207 0.03 0.3 0.04 5.0 RPK-2.0FSN2M 220/240 253 207 0.03 0.3 0.04 5.0 RPK-2.5FSN2M 220/240 1 50 253 207 0.04 0.3 0.05 5.0 RPK-3.0FSN2M 220/240 253 207 0.04 0.3 0.05 5.0 RPK-4.0FSN2M 220/240 253 207 0.06 0.5 0.09 5.0 RPF-1.5FSN2E 230 253 207 0.05 0.2 0.07 5.0 RPF-2.0FSN2E 230 1 50 253 207 0.09 0.4 0.12 5.0 Floor-concealed type RPF-2.5FSN2E 230 253 207 0.09 0.4 0.12 5.0 RPFI-1.5FSN2E 230 253 207 0.05 0.2 0.07 5.0 RPFI-2.0FSN2E 230 1 50 253 207 0.09 0.4 0.12 5.0 RPFI-2.5FSN2E 230 253 207 0.09 0.4 0.12 5.0 U: Power voltage PH: Phase (φ) f: Frequency IPT: Total input power RNC: Running current Cur: Current?NOTE The specifications in these tables are subject to change without notice to allow HITACHI to offer its customers the latest innovations. 186

Electrical data 8.2. Outdoor units 8.2.1. RAS-(2~3)HVRN1/HVRNS Model Main unit power U [V] PH f [Hz] Applicable voltage U max. [V] U min [V] PH STC [A] Compressor and Fan motors Operation with cooling Operation with heating Max. IPT [kw] RAS-2HVRN1 220/240 1 50 264 198 1-1,21 5,5-5,1 1,13 5,2-4,7 2,80 13,0 RAS-2.5HVRN1 220/240 1 50 264 198 1-1,77 8,1-7,4 1,78 8,1-7,4 3,45 16,0 RAS-3HVRNS 220/240 1 50 264 198 1-2,23 10,3-9,4 2,34 10,8-9,9 3,92 18,0 IPT [KW] RNC [A] IPT [KW] RNC [A] Max. Cur. [A] 8.2.2. RAS-(4~6)HVRN(S)E Model Main unit power U [V] PH f [Hz] Applicable voltage U max. [V] U min [V] PH STC [A] Compressor and Fan motors Operation with cooling Operation with heating Max. IPT [kw] RAS-4HVRNSE 230 1 50 253 207 1-3,21 14,2 3,11 13,8 5,48 24,0 RAS-5HVRNSE 230 1 50 253 207 1-3,74 16,6 3,97 17,6 5,86 26,0 RAS-6HVRNSE 230 1 50 253 207 1-4,80 21,3 4,70 20,9 5,86 26,0 IPT [KW] RNC [A] IPT [KW] RNC [A] Max. Cur. [A] 8 U: Power voltage PH: Phase (φ) f: Frequency STC: Starting current. Less than maximum current IPT: Total input power RNC: Running current Cur: Current NOTES 1. The compressor data shown in the table above are based on a combined capacity of 100% of the power supplied, with the following working frequency: Cool Heat RAS-4HVRNSE 60 69 RAS-5HVRNSE 59 65 RAS-6HVRNSE 70 73 2 The above performance data is based on an equivalent piping length of 7.5 m and 0 m piping lift. 3. This data is based on the same conditions of nominal heating and cooling capacities. The compressor with inverter control has low electrical power consumption at start-up. 187

Electrical data. 8.2.3. RAS-(8/10)HRNSE Model Main unit power U [V] PH f [Hz] Applicable voltage U max. [V] U min [V] PH STC [A] Compressor and Fan motors Operation with cooling IPT [KW] RNC [A] Operation with heating IPT [KW] RNC [A] Max. IPT [kw] RAS-8HRNSE 400 3 50 440 360 3-6.39 9.5 6.10 9.1 12.9 20.0 RAS-10HRNSE 400 3 50 440 360 3-8.58 12.8 8.39 12.5 14.8 23.0 Max. Cur. [A] U: Power voltage PH: Phase (φ) f: Frequency STC: Starting current. Less than maximum current IPT: Total input power RNC: Running current Cur: Current NOTES 1. The compressor data shown in the table above are based on a combined capacity of 100% of the power supplied, with the following working frequency: Cool Heat RAS-8HRNSE 49 56 RAS-10HRNSE 62 69 2 The above performance data is based on an equivalent piping length of 7.5 m and 0 m piping lift. 3. This data is based on the same conditions of nominal heating and cooling capacities. The compressor with inverter control has low electrical power consumption at start-up. 188

Electrical data 8.3. Complementary system KPI Model Main unit power Applicable voltage Fan motor U (V) PH f (Hz) U max. [V] U min [V] IPT [kw] RNC [A] Max. IPT [kw] KPI-502E1E 230 1 50 253 207 0.22 0.9 0.23 4.0 KPI-802E1E 230 1 50 253 207 0.37 1.6 0.40 4.0 KPI-1002E1E 230 1 50 253 207 0.58 2.7 0.62 8.0 KPI-1502E1E 230 1 50 253 207 0.79 3.6 0.88 8.0 KPI-2002E1E 230 1 50 253 207 0.89 4.0 0.91 8.0 Max. Cur. [A] KPI-3002H1E 230 1 50 253 207 1.45 6.0 1.45 12.0 U: Power voltage PH: Phase (φ) f: Frequency IPT: Total input power RNC: Running current Cur: Current?NOTE The specifications in these tables are subject to change without notice to allow HITACHI to offer its customers the latest innovations. 8 189

Electrical wiring 9. Electrical wiring This chapter describes the electrical wiring connections and how to set the DIP switches and the H LINK II System of the new UTOPIA DC INVERTER ES series. Contents 9. Electrical Wiring...191 9.1. General verification...192 9.2. Setting and function of DIP switches for outdoor units...193 9.2.1. RAS-(2~3)HVRN1/HVRNS(1)(S)...193 9.2.2. RAS-4~10H(V)RNSE...194 9.3. Setting and function of DIP switches for indoor units...196 9.3.1. Indoor units...196 9.4. Setting of DIP switches for complementary systems and accessories...198 9.4.1. Complementary systems...198 9.5. Common wiring...199 9.5.1. Electrical wiring between indoor and outdoor units...199 9.6. Wiring size...200 9.7. H-LINK II...201 9.7.1. Application...201 9.7.2. Features...201 9.7.3. Specifications...201 9.7.4. Setting DIP switches for single, double and triple systems...202 9.7.5. Examples of the system of connection between H-LINK and H-LINK II units...203 9.7.6. Examples of H-LINK system:...204 9.8. PSC-5HR...206 9.8.1. Example of a system with PSC-5HR...206 9.8.2. Internal layout of the components...206 9 191

Electrical wiring 9.1. General verification WARNING: Turn OFF the main power switch on the indoor and outdoor units before carrying out electrical wiring or regular checks. Check to ensure that the indoor and outdoor fans have stopped before carrying out electrical wiring or regular checks. Protect wires, drainpipe, electrical parts, etc. from rats or other small animals. If all these parts are not protected, rats or other small animals may gnaw them and possibly cause a fire. Make sure the wires are not touching the refrigerant pipes, plate edges and electrical parts inside the unit. Otherwise the wires will be damaged and may cause a fire. CAUTION: Secure the wires firmly with the clamp to the inside of the indoor unit. NOTE: Fix the rubber bushes with adhesive when the outdoor unit ducts are not used. 1. Make sure that the field-supplied electrical components (main power switches, circuit breakers, wires, duct connectors and wire terminals) have been properly selected according to the electrical data given in this technical catalog. Make sure that the components comply with the National Electrical Code (NEC) 2. Check to ensure that the power supply voltage is within ± 10% of the rated voltage. 3. Check the capacity of the electrical wires. If the power supply capacity is too low, the system cannot be started due to the voltage drop. 4. Check to ensure that the earth wire is connected. 5. Main power supply switch Install a multi-pole switch with a space of 3.5 mm or more between each phase. 192

Electrical wiring 9.2. Setting and function of DIP switches for outdoor units 9.2.1. RAS-(2~3)HVRN1/HVRNS(1)(S) NOTE: The mark indicates the position of the dip switches. The figures show the settings before shipment or after selection. Number and position of DIP switches. The PCB in the outdoor unit is operated with 7 types of DIP switches and 4 types of push switch. The location is as follows: CAUTION Before setting dip switches, first turn off the power supply. If the switches are set without turning off the power source, the settings are invalid. DSW301: Test run Factory setting is all OFF Before shipment 1 2 3 4 5 6 DSW1: (No setting is required). Before shipment 9 DSW2: Piping length Before shipment (6m~30m) 1 2 3 4 5 6 193

Electrical wiring DSW3: Capacity set No setting is required. Each outdoor unit is set before shipment as shown in chapter 3 of the Service Manual SMGB0052. NOTE: The mark indicates the position of the dip switches. The figures show the settings before shipment or after selection. DSW4 and RSW1: Setting number of refrigerant cycles. Setting for the tenth digit Setting for the last digit 0 CAUTION Before setting dip switches, first turn off the power supply. If the switches are set without turning off the power source, the settings are invalid. DSW5: Setting end-terminal resistance No setting is required. However so that the impedance corresponds, set the DSW5 according to the number of outside units of the H-link system. End terminal resistance activated DSW6: Setting function (No setting is required) Setting before shipment 9.2.2. RAS-4~10H(V)RNSE Number and position of DIP switches. The PCB in the outdoor unit operates with 6 types of DIP switches and 3 types of push switch. Position of DIP switches: 194

Electrical wiring DSW1: Test run. Factory setting is all OFF NOTE: The mark indicates the position of the dip switches. The figures show the settings before shipment or after selection. Before shipment DSW2: Pipe length/ Selection of optional functions Before shipment CAUTION Before setting dip switches, first turn off the power supply. If the switches are set without turning off the power source, the settings are invalid. Setting of optional function selection (6m~29m) DSW3: Setting capacity. No setting is required. Each outdoor unit is set before shipment as shown in chapter 3 of the Service Manual SMGB0052. DSW4 and RSW1: Setting number of refrigerant cycles. Setting for the ten digit Setting for the last digit 0 DSW5: Setting end-terminal resistance No setting is required. However so that the impedance corresponds, set the DSW5 according to the number of outside units of the H-link system. End terminal resistance activated 9 DSW6: Power source setting No setting is required. Setting before shipment RAS-(4~6)HVRNSE Setting before shipment RAS-(8/10)HRNSE JP4 cut: Fixing cooling mode JP5 cut: Alternative defrost mode JP6 cut: High-pressure control based on R407C piping 195

Electrical wiring 9.3. Setting and function of DIP switches for indoor units NOTE: The mark indicates the position of the dip switches. The figures show the settings before shipment or after selection. CAUTION: Before setting dip switches, first turn off the power supply. If the switches are set without turning off the power supply, the settings are invalid. Number and position of DIP switches. The PCB in the indoor unit operates with 5 types of DIP switches, and two rotary switches. 9.3.1. Indoor units DSW6 and RSW1: Setting unit number. Setting is required. Set the unit no. of all indoor units respectively and serially, by following setting position shown in chapter 3 of Service Manual SMGB0052. Numbers must start from "0" for every outdoor unit. Setting position Set by inserting screwdriver into the groove DSW6 RSW1 Setting before shipment with a value of up to 63. DSW6 RSW1 Setting example no. 16 Pin no. 1 is set to ON Set at 6 DSW2: Setting optional functions. (RPK-FSN2M only) No setting is required. This switch is used for setting the optional functions as indicated in chapter 3 of Service Manual SMGB0052. Setting before shipment Identification of indoor unit DSW3: Setting capacity code. No setting is required as this is done before shipment. This DIP switch is used for setting the capacity code corresponding to the power of the indoor unit as indicated in chapter 3 of Service Manual SMGB0052. DSW4: Setting unit model code. (not available for RCI, RCIM and RPK) No setting is required. This switch is used for setting the model code corresponding to the indoor unit type as indicated in chapter 3 of Service Manual SMGB0052. 196

Electrical wiring NOTE: The mark indicates the position of the dip switches. The figures show the settings before shipment or after selection. DSW5 and RSW2: Setting refrigerant cycle number. Setting is required. Factory setting is all OFF Setting of DSW5 and RSW2 before shipment with a value of up to 63. DSW5 RSW2 CAUTION: Before setting dip switches, first turn off the power supply. If the switches are set without turning off the power supply, the settings are invalid. Example of system setting 5. DSW5 RSW1 All pins are OFF Set at 5 DSW7: Fuse recover/ Remote Control Selector No setting is required as this is done before shipment. Setting position before shipment is all OFF. If a high voltage is applied to terminals 1 and 2 of TB1, the fuse (0.5) on PCB1(M) is cut. If this happens, first correct the wiring to TB2 and then turn on no. 1 (as shown to the right) In the RPK-FSN2M units the setting of the DIP switches is as follows: RPK-(1.0/1.5)FSN2M DSW7 No setting is required. Setting position before shipment is all OFF. If a high voltage is applied to the terminal 1 and 2 of TB1, the fuse on the PCB1(M) is cut. If this happens, first correct the wiring to TB1 and then turn it on (as shown at right). 9 RPK-(2.0~4.0)FSN2M DSW7 No setting is required. Setting position before shipment is all OFF. If a high voltage is applied to the terminal 1 and 2 of TB1, the fuse on the PCB1(M) is cut. If this happens, first correct the wiring to TB1 and then turn on no. 1 (as shown at right). 197

Electrical wiring DSW8: Not used (RCI only) Setting before shipment DSW8: Not used (RCIM only) Setting before shipment SSW: Not used 9.4. Setting of DIP switches for complementary systems and accessories 9.4.1. Complementary systems System: Energy recovery ventilation units - KPI DSW3: Setting before shipment DWS5: Setting before shipment DSW6: Setting before shipment Remote control system DSW7: Setting before shipment SSW: Setting before shipment System: Econofresh Kit - EF This requires using the DIP switches of the PCB of the RPI indoor units. RPI-5HP Dip Switch Factory Setting RPI-5HP+ Econo-Fresh Kit installation Dip Switch Setting RPI-5.0FSN(1)E DSW6 RPI-5.0FSN2E DSW4 198

Electrical wiring 9.5. Common wiring 9.5.1. Electrical wiring between indoor and outdoor units Connect the electrical wires between the indoor unit and the outdoor unit as shown below. When installing the electrical wiring, follow local codes and regulations. The refrigerant piping and the control wiring are connected to the units in the same refrigerant cycle. Use twist pair wire (more than 0.75 mm 2 ) for operation wiring between the outdoor unit and indoor unit, and operation wiring between indoor unit and indoor unit. Use a 2-core wire for the operating line (do not use wire with more than 3 cores). Use shielded wires for intermediate wiring to protect the units from noise interference at lengths of less than 300 m. The size must comply with local codes. Open a hole near the connection hole of power source wiring when multiple outdoor units are connected from a single power source line. The recommended circuit-breaker and wire sizes are shown in the next tables of electrical data. (And recommended wiring and breaker sizes / 1 O.U.) If a duct for field-supplied wiring is not used, fix rubber bushes with adhesive on the panel. All field wiring and equipment must comply with local and international codes. WARNING: Pay attention to the connection of the operating line. Incorrect connection may cause failure of the PCB. No. 0 System Outdoor unit No. 0 System Outdoor unit Operating Line (Twisted Shielded Pair Cable or Shielded Pair Cable) DC5V (Non-Pole Transmission) Operating Line (Twisted Shielded Pair Cable or Shielded Pair Cable) DC5V (Non-Pole Transmission) Indoor Unit Indoor Unit Indoor Unit Indoor Unit Remote Control Switch Remote Control Switch 9 Terminal board Circuit Breaker Earthleakage Breaker Field Wiring Field supplied Optional Accessory Max. 3 Units per Refrigerant Cycle Max. 3 Units per Refrigerant Cycle 199

Electrical wiring 9.6. Wiring size Connection wiring The minimum thickness of the wiring that must be used in the installation. Indoor units Model Power supply Maximum current (A) Size of power supply cable Size of transmission cable EN60 335-1 MLFC EN60 335-1 MLFC Indoor units 2.0~6.0HP 5 0.75 mm² 0.50 mm 2 1~220/240V 50Hz 0.75 mm² 0.50 mm² Indoor units 8.0~10.0HP 10 1.5 mm² 0.75 mm 2 Outdoor units Model RAS-2HVRN1 Power supply Maximum current (A) Size of power supply cable RAS-2.5HVRN1 1~220/240V 50Hz 16 2.5 mm² 1.25 mm² Size of transmission cable EN60 335-1 MLFC EN60 335-1 MLFC 13 1.5 mm² 0.75 mm² RAS-3HVRNS 18 2.5 mm² 1.25 mm² RAS-4HVRNSE 24 4.0 mm² 2 mm² RAS-5HVRNSE 1~230V 50Hz 26 6.0 mm² 3.5 mm² RAS-6HVRNSE 26 6.0 mm² 5.5 mm² RAS-8HRNSE 20 6.0 mm² 3.5 mm² 3~400V 50Hz RAS-10HRNSE 23 6.0 mm² 3.5 mm² 0.75 mm² 0.5 mm² -- The above wire sizes marked with are selected at the maximum current of the unit according to the European Standard, EN60 335-1. -- The above wire sizes marked with are selected at the maximum current of the unit according to the wire, MLFC (Flame Retardant Polyflex Wire) manufactured by HITACHI Cable Ltd. Japan. -- If the power cables are connected in series, add together the maximum current of each unit and select the cables according to the following table. Selection according to EN60 335-1 Selection according to MLFC (at cable temp. of 60ºC) Current i (A) Wire size Current i (A) Wire size I 6 0.75 mm² I 15 0.5 6 < i 10 1.0 mm² 15 < i 18 0.75 10 < i 16 1.5 mm² 18 < i 24 1.25 16 < i 25 2.5 mm² 24 < i 34 2 25 < i 32 4.0 mm² 34 < i 47 3.5 32 < i 40 6.0 mm² 47 < i 62 5.5 40 < i 63 10.0 mm² 62 < i 78 8 63 < i 78 < i 112 14 In case that current exceeds 63 A do not connect cables in series Main switch protection Select the main switches according to the following table. Indoor units 112 < i 147 22 Model Power supply Maximum current (A) CB (A) Indoor units 2.0~6.0HP 5 6 1~230V 50Hz Indoor units 8.0~10.0HP 10 10 (*) Except RPI-8/10 Outdoor units Model Power supply Maximum current (A) CB (A) RAS-2HVRN1 13 16 RAS-2.5HVRN1 1~220/240V 50Hz 16 20 RAS-3HVRNS 18 25 RAS-4HVRNSE 24 32 RAS-5HVRNSE 1~230V 50Hz 26 32 RAS-6HVRNSE 26 32 RAS-8HRNSE 20 40 3~400V 50Hz RAS-10HRNSE 23 40 ELB No. of poles/a/ma 2/40/30 ELB No. of poles/a/ma 2/40/30 4/40/30 200

Electrical wiring 9.7. H-LINK II H-LINK II is the wiring connection system between units. The H-LINK II wiring system only needs: Two transmission wires connecting each indoor and outdoor unit for a total of 64 refrigerant cycles. Connection wiring for all indoor and outdoor units in series. 9.7.1. Application The H-LINK II system can be applied to the following models: CAUTION: The H-LINK II system cannot be applied to the models with the old cycle, nor to units with an old transmission. NOTE: CSNET WEB is a centralized control system which allows the installation to be controlled remotely. It can be connected at any point of the local corporate network, or even via the Internet. CAUTION: For the H-LINK II system you must use twisted shielded pair cable or shielded pair cable 9.7.2. Features Indoor unit RCI RCIM RCD RPI RPIM RPK RPF RPFI RPC System Free Outdoor unit RAS-2/2.5HVRN1 RAS-3~10H(V)RNSE The total wiring length is considerably reduced compared to traditional connections. Only one connection is required for the wiring between the indoor and outdoor units. Connecting the wiring of the complementary central control devices is simple. 9.7.3. Specifications Transmission cable: 2-wire. Polarity of transmission cable: non-polar wire. Maximum number of outdoor units that can be connected: 64 units per H-LINK II system. Maximum number of indoor units that can be connected: 4 units per cycle and 160 units per H LINK II system. Maximum wiring length: total 1000 m (including CSNET WEB). The maximum wiring length can be increased by up to 5000 m by using up to four PSC-5HR units. (See section 9.8 of this catalog) Recommended cable: shielded twisted pair cable, over 0.75 mm² (equivalent to KPEV-S). Voltage: 5V DC. 9 Example of H-LINK II connection Outdoor unit Indoor units A refrigerant cycle Transmission cables Refrigerant piping 201

Electrical wiring 9.7.4. Setting DIP switches for single, double and triple systems Setting DIP switches of PCB in indoor and outdoor units for H-LINK II The DIP switches of all the indoor and outdoor units have to be set and the impedance of the transmission circuit adapted. Example of setting the DIP switches Cycle no. 0 Cycle no. 1 Cycle no. 2 DSW5 Terminal resistance DSW4 No. of refrigerant cycle (setting for the tenth digit) RSW1 No. of refrigerant cycle (setting for the last digit) Outdoor units Indoor units DSW5 No. of refrigerant cycle (setting for the tenth digit) RSW2 No. of refrigerant cycle (setting for the last digit) DSW6 Address of the indoor unit (setting for the tenth digit) RSW1 Address of the indoor unit (setting for the tenth digit) Unit Name of DIP switch Mark Setting before shipment Function Outdoor unit Refrigerant cycle DSW4 RSW1 DSW4 RSW1 For setting the refrigerant cycle address of the outdoor unit. Set the DSW4 and RSW1 to overlap the setting of other outdoor units in the same H-LINK system. Terminal resistance DSW5 To adapt the impedance of the transmission circuit, set DSW5 according to the number of outdoor units of the H- LINK system. Indoor unit Refrigerant cycle Address of indoor unit DSW5 RSW2 DSW6 RSW1 DSW5 RSW2 For setting the refrigerant cycle address of the indoor unit. Set the DSW5 and RSW2 corresponding to the address of outdoor unit in the same refrigerant cycle. DSW6 RSW1 For setting indoor unit address. Set the DSW6 and RSW1 not to overlap the setting of other indoor units in the same refrigerant cycle. (If not set, the automatic address function is perfomed.) 202

Electrical wiring 9.7.5. Examples of the system of connection between H-LINK and H-LINK II units In the case of mixed systems with H-LINK and H-LINK II, set the H-LINK units in the first 16 positions of the system, as in the following example where 42 systems are connected, 16 with indoor FSN1E units and 26 with indoor FSN2E units. Indoor unit Outdoor unit Either the current remote control switch (H-LINK) or the new one (H-LINK II) can be used Only the new remote control switch (H-LINK II) can be used NOTE The maximum number of indoor units that an H-LINK II can control is 160. If you use PSC-5S and the CSNET WEB 2.0 (systems only compatible with H-LINK) bear in mind that it will only recognize 16 indoor and 16 outdoor units. 9 203

Electrical wiring 9.7.6. Examples of H-LINK system: WARNING: The maximum number of units that can be connected is 64 outdoor units and 160 indoor units (including Utopia and/or Set-Free, Mini Set-Free). Do not install the wiring in a loop. In the case that H-LINK is not applied when electrical wiring is performed as shown above, H-LINK is applied after the instrument wiring is completed. The DIP switches must therefore be set as specified in the section "Setting the DIP switches on the PCB". Two cases: (1) Using H-LINK II system for air conditioning systems without a central control device (CSNET WEB or PSC-A64S). -- Line connection with all units (including Utopia and/or Set-Free, Mini Set-Free and DC Inverter) Outdoor units Indoor units Do not install wiring in a loop -- Line connection for each floor Outdoor units Indoor units -- Connection with one main line and with the branch lines for the units Outdoor units Indoor units 204

Electrical wiring (2) Using the H-LINK II system for air conditioning systems with a central control device (CSNET WEB or PSC-A64S). -- If the central control device is applied when carrying out electrical wiring, the CS NET WEB can be connected at any point of the H-LINK II wiring. Outdoor units Indoor units CSNET WEB / PSC-A64S -- If the central control device is not applied when carrying out electrical wiring, the H-LINK wiring must be connected to all the systems. The easiest method is usually to connect the outdoor units. Outdoor units Indoor units 9 CSNET WEB / PSC-A64S 205

Electrical wiring 9.8. PSC-5HR The PSC-5HR (H-LINK relay) is an accessory that allows use of CSNET WEB when the length of the system wiring is over 1000 meters. 9.8.1. Example of a system with PSC-5HR P\\C H-LINK 1 H-Link Relay Central Station H-LINK 2 Outdoor Unit Indoor Unit H-LINK 3 H-Link Relay H-Link Relay H-Link 4 H-Link 5 9.8.2. Internal layout of the components. H-LINK for the unit to be connected H-LINK for the unit to be connected Terminal board for transmission Terminal board for transmission \\ \\ 1 2 \\ 2 1 \\ CN2 CN1 DSW1 DSW2 DSW3 Control PCB CN3 PCN1 CN6 \\\\ \\ \\ Earth screw Transformer Ring core Power source terminal board Power supply NOTES: You can install a maximum of four H LINK relays in one system. Make sure that the number of connections is the following: - No. of refrigerant systems: maximun 64 - No. of indoor units: within 160 Total length of each H-LINK divided: up to 1000m If H-LINK is divided into five blocks as shown in the diagram, set the end terminal resistance in each H-LINK relay. CAUTION: Make sure that the power source voltage is correct. An incorrect wiring may cause a breakdown of the PSC-5HR transformer or the units. In particular, DO NOT connect the power source to the terminal board for transmission. DO NOT install the H-LINK wires along the power supply wire or any other signal wires, etc. If you do so, the electrical noise may cause a malfunction. If you need to install the H-LINK wires near these wires, leave a distance of 15 cm or more. Or alternatively, insert the wires into a steel pipe and ground one end of the pipe. 206

Optional functions available 10. Optional functions available This chapter gives a brief explanation of the optional functions available for the new UTOPIA DC INVERTER ES series. Contents 10. Optional functions available...207 10.1. Optional functions available for indoor units... 208 10.2. Optional functions available for outdoor units... 209 10.3. Optional functions available for remote controllers... 210 10 pag. 207

Optional functions available 10.1. Optional functions available for indoor units The following table gives information on the optional functions available for the ES series. For more information, see chapter 5 of the service manual, code SMGB0052. Optional function Options available Explanation Indoor units RCI RCIM RCD RPC RPI RPIM RPK RPF RPFI KPI ECONO- FRESH Remote control ON/ OFF function Cancellation of commands by remote control after forced stoppage This function enables the system to be stopped and started remotely. This optional function is very useful in hotels and office buildings to control the indoor units from the building management system. This function stops the indoor unit and cancels the commands from the remote controller while it is activated. Setting operation mode to cooling or heating This function enables the operation mode to be adjusted remotely. Control using the field-supplied room thermostat Control using the remote temperature sensor This function enables the unit to be controlled using an external thermostat. This can reduce the problems caused by stratification of indoor air. Instead of using the inlet air thermistor to control the unit, this uses the average between the inlet air thermistor and the remote temperature sensor. Signal capture This function provides information on the unit's operations so the necessary devices can be activated. Automatic operation when power supply is ON Function for restarting after power failure This function retains the unit's settings if the power supply is interrupted. The unit will restart when power is restored. This function retains the unit's settings if the power supply is interrupted. The unit will restart when power is restored if the unit was ON before the power failure. Optional sensor connection This function connects an enthalpic sensor or a CO2 concentration sensor. Available Not available pag. 208

Optional functions available 10.2. Optional functions available for outdoor units Optional functions Optional function Explanation Fixing the energy saving request function. This function regulates the outdoor unit consumption to 50%, 70% or 100%. If the required power is above the set value, the capacity of the indoor unit will be reduced proportionally to the power consumption of the outdoor unit. It can even come to a thermostatic stop if necessary. This function can be configured using an external or internal signal, depending on the needs of the installation. Configuration by external signal is very useful for setting up groups of outdoor units. The internal signal is useful for setting up a single outdoor unit. Thermostatic stoppage order Low speed defrost adjustment. Low noise setting Night mode (low noise) operation Change of defrost operation conditions When this function is activated the compressor is stopped and the indoor units are on thermo OFF. When this function is activated the indoor fan speed at defrost mode changes to slow instead of stopping the fan. This function decreases the sound levels of the outdoor units by reducing the maximum working frequency of the compressor (Cooling/Heating). This function reduces the sound level of the outdoor units by decreasing the maximum working frequency of the compressor and the fan airflow according to the outside temperature (only for cooling mode). This function changes the defrosting operation conditions. It is especially useful in cold areas. Protection against cold air discharge (1) Protection against cold air discharge (2) When the air discharge temperature of the indoor unit is less than or equal to 10 ºC in cooling mode, the fans stop and the frequency of the outdoor unit is reduced, thereby preventing any discomfort to the occupants of the room. When the discharge temperature of the air in the indoor unit is less than or equal to 10 ºC in cooling mode, the compressor stops and alarm no. 24 appears. Wave function setting Indoor unit energy-saving temperature setting Piping for the R407C Alternation in defrost mode activation Fixing the cooling mode This function controls the outdoor unit consumption in the following way: It allows a consumption of 100% for 20 minutes. The following 10 minutes it goes down to 70% and then alternates between 100% and 70%. This function reduces the power consumption of the indoor unit according to the temperature. If you use conventional R407C piping instead of the R410A, the piping pressure will increase. This function is activated in order to avoid this pressure increase. This function is useful in an installation consisting of various outdoor units placed in the same H-LINK. The defrost mode is activated alternately in each outdoor unit. This function sets the cooling mode: the indoor unit will only start when the system is on COOL or DRY. 10 Fixing the heating mode Signal capture This function sets the heating mode: the indoor unit will only start when the system is on HEAT or DRY/ FAN. This function provides information on the units operation, (operation, alarm, compressor ON, defrosting signals) so the necessary devices can be activated. pag. 209

Optional functions available Optional functions for operation with CSNET WEB Optional function Historical data Power consumption Automatic COOL/HEAT operation Setting the operation mode Setting set temperature Setting air volume Explanation CSNET WEB generates a file with this information so the data can be consulted. This function changes automatically from Cool to Heat operation.?this function eliminates the possibility of changing the operation mode from the remote controller. This function eliminates the possibility of changing the set temperature from the remote controller. This function eliminates the possibility of changing the fan speed from the remote controller. Available Not available 10.3. Optional functions available for remote controllers Item Optional functions Contents Setting condition Description Removal of heating temperature calibration Circulation function with heating thermo OFF Enforced 3-minute minimum compressor operation time Change of filter cleaning times Fixing operation mode Fixing the set temperature Fixing operation as an exclusive cooling unit Automatic COOL/HEAT operation 00 Not available This function is used to eliminate the 4 ºC 01 Available temperature shift. 02 Available This function is used to eliminate the 2 ºC temperature shift. 00 Not available This function is used to prevent 01 Available stratification of air. 00 Not available This function is used to protect the compressor when it is started and stopped 01 Available frequently 00 Standard 01 100 hours 02 1200 hours 03 2500 hours 04 No indication Using this function it is possible to alter the time the remote controller indicates that the air filter needs to be changed. 00 Not available This function eliminates the possibility of 01 Available changing the operation mode. 00 Not available This function eliminates the possibility of 01 Available changing the set temperature. 00 Not available 01 Available This function eliminates the heating mode. 00 Not available This function changes automatically from 01 Available Cool to Heat operation. Fixing the air volume 00 Not available This function eliminates the possibility of 01 Available changing the fan speed. A Not prepared - - Set Not used - 00 Standard This function is used to lower the set Compensation of cooling 01 Temperature setting -1 ºC temperature. Very useful for rooms with bb temperature more than one unit and windows facing in 02 Temperature setting -2 ºC different directions bc Not prepared 00 Not used 01 Used as 00 conditions - bd Not prepared 00 Not used 01 Used as 00 conditions - be Not prepared - - - pag. 210

Optional functions available Item Optional functions Contents Setting condition Description Not prepared Not prepared Not prepared Drain pump in heating mode - - - 00 Not available This function is used to activate the drain 01 Available pump in heating mode. Static pressure selection 00 Medium static pressure (factory settings) 01 High static pressure This function is used to change the static pressure levels on the RPI units from the remote controller. 02 Low static pressure 00 Normal Increase in fan speed (RCI, RCIM, RCD) 01 Speed increase 1 02 Speed increase 2 This function is used to change the fan speed for high ceilings. High speed with heating thermo OFF Cancelling enforced 3-minute minimum compressor operation time Remote control switch thermistor 00 Not available This function is used to increase the fan 01 Available speed when the thermostat is OFF. 00 Not available This function is used for canceling the enforced 3-minute minimum compressor 01 Available operation time. 00 Control using indoor suction thermistor Control using the remote 01 This function is used to control the unit with control thermistor Control using average the remote control thermistor. 02 value of the indoor suction thermistor and the remote control thermistor Not prepared - - - Not prepared - - - Selection of forced stoppage logic 00 01 Forced stoppage input at contact A Forced stoppage input at contact B This function is used to select the forced stoppage logic. Not prepared - - - d Not prepared E Not prepared 00 Standard 7 positions. 5 positions, the 2 positions with vertical Change in angle of louver 01 Cold currents F louver disappear. position 5 positions, the 2 positions with horizontal 02 High ceilings louver disappear. 10 Power supply 1 ON/OFF 00 Not available This function retains the unit's settings if the power supply is interrupted. The unit 01 Available will restart when power is restored. Not prepared - - - Power supply 2 ON/OFF 00 01 Not available Available This function retains the unit's settings if the power supply is interrupted. The unit will restart when power is restored if the unit was ON before the power failure. 4 Prevention of drop in heat discharge air temperature. 00 Not available 01 Available - pag. 211

Optional functions available Item Optional functions Contents Setting condition Description 5 Prevention of drop in heat discharge air temperature. 00 Not available 01 Available - 6 Control of ambient temperature for energy saving 00 Not available 01 Available - 7 Not prepared - - - (Econofresh) All Fresh mode 00 Not available This function enables you to open the outdoor air 01, 02 Available damper 00 Automatic ventilation (KPI) Ventilation mode 01 Ventilation with heat exchanger This function is used to set the ventilation mode of the total heat exchanger 02 Ventilation without heat exchanger Econofresh) Enthalpy sensor (KPI) Increase in air supply volume 00 Not available 01 Available This function sets the enthalpy sensor input 00 Not available This function is used to make the room pressure 01 Available higher than that of the surrounding rooms. Not prepared - - - 00 Not available (Econofresh) Gas sensor This function sets the gas sensor input. 01, 02 Available (KPI) Previous cooling/heating period 00 Standard 01 30 minutes 02 60 minutes This function delays the start-up of the heat exchanger. Not prepared - - - 6 Operating time of indoor ventilator after stoppage of cooling operation 00 Not available - 01 60 minutes - 02 120 minutes - 7 Not prepared 00 Not used 01 Used as 00 conditions - 8 Ventilator operation control with heating thermo OFF 00 Not available 01 Available - 9 Not prepared 00 Not used 01 Used as 00 conditions - 00 Not used EA Not prepared 01 Used as 00 conditions 02 Used as 00 conditions - Eb Ventilator operation control with cooling thermo OFF 00 Not available 01 LOW 02 SLOW - EC Forced stoppage of thermostat ON in cooling mode 00 Not available 01 Available - Ed Not prepared 00 Not used 01 Used as 00 conditions - EE Automatic fan speed control 00 Not available 01 Available - pag. 212

Optional functions available Item Optional functions Contents Setting condition Description 00 No function 01 Deactivate after 1 hour Automatic OFF setting of timer 02 Deactivate after 2 hours ~ ~ This function is used to set the timer-off function automatically when the unit is started with the remote control switch. 23 Deactivate after 23 hours 24 Deactivate after 24 hours Setting main and sub remote control 00 Main 01 Sub This function is used when two remote controls are installed in one system. 3 Not prepared - - - 4 Not prepared - - - 5 Not prepared - - - 6 Not prepared - - - 7 Not prepared - - - 8 Locking operation mode 00 Not permitted 01 Permitted - 9 Temperature lock 00 Not permitted 01 Permitted - a Fan speed lock 00 Not permitted 01 Permitted - b Horizontal louver position lock 00 Not permitted 01 Permitted - c Limited temperature range in cooling mode 00~10 01~10: Minimum temperature +1~+10ºC 00: Standard d Limited temperature range in heating mode 00~10 01~10: Maximum temperature -1~-10ºC 00: Standard E Automatic heating operation mode 00 5 ºC 01 10 ºC 02 15 ºC Item A Optional functions for PSC-A64S Setting the operation mode Contents Setting condition Description Set no display" Available Not available This function eliminates the possibility of changing the operation mode. The same optional function must be selected in the remote controller. This option only affects the settings made with the PSC-5S 10 b Setting set temperature Set no display" Available Not available This function eliminates the possibility of changing the set temperature. The same optional function must be selected in the remote controller. This option affects only settings made with the PSC-5S. c Setting cooling only Set no display" Available Not available The same optional function must be selected in the remote controller. This option affects only settings made with the PSC-5S. d Setting fan speed Set no display" Available Not available Same optional function must be selected in the remote control. This option affects only settings made with the PSC-5S. E Automatic COOL/HEAT operation Set no display" Available Not available This function changes automatically from Cool to Heat operation. If not available from remote controller this function cannot be used. pag. 213

Troubleshooting 11. Troubleshooting This chapter provides you with a concise description of the most common alarm codes of the new UTOPIA DC INVERTER ES series. Contents 11. Troubleshooting...215 11.1 Alarm codes... 216 11 pag. 215

Troubleshooting If RUN lamp flashes for 2 seconds, there is a failure in transmission between the indoor unit and the remote control switch. Possible causes are: a) The remote cable is broken b) Contact failure in remote control cable c)ic or microcomputer defective In all cases, contact your service provider. If RUN lamp flashes 5 times (5 seconds) with unit number and alarm code displayed, note the alarm code (see table below) and contact your service provider. Indoor unit number Alarm code Alternate indication every second Model code No. of indoor units connected Alarm code 11.1 Alarm codes Code No. Category Type of abnormality Main cause 01 Indoor unit Activation of protection device 02 Outdoor unit Activation of protection device 03 04 Transmission Abnormality between indoor (or outdoor) and outdoor (or indoor) units Abnormal operation between inverter and control PCB Failure of fan motor, drain discharge, PCB, relay, float switch activated Activation of PSH, locked motor, abnormal operation in the power supply phase Incorrect wiring. Failure of PCB. Tripping of fuse. Power supply OFF Transmission failure between inverter PCBs 05 Power supply Abnormal power supply Power source with abnormal wave pattern 06 Voltage drop Voltage drop due to excessively low or high voltage in outdoor unit 07 Drop in discharge gas overheating Cycle 08 Increase in discharge gas temperature 11 Inlet air thermistor 12 Outlet air thermistor 13 Sensor in indoor unit Anti-freeze thermistor 14 Gas pipe thermistor 19 Protection device for fan motor is triggered Failure of fan motor 20 Compressor thermistor 22 Outdoor unit sensor Outside air thermistor 24 Evaporation thermistor 31 Incorrect setting of outdoor and indoor units Voltage drop in power supply. Incorrect wiring or insufficient capacity of power supply wiring Excessive refrigerant charge. Expansion valve lock open Insufficient refrigerant charge, refrigerant leakage. Expansion valve closed or clogged Failure of thermistor, sensor, connection Failure of thermistor, sensor, connection Incorrect setting of capacity code 35 System Incorrect setting of indoor unit number Duplication of indoor unit number 38 Abnormality in protective circuit in outdoor unit Failure of indoor unit PCB; incorrect wiring; connection to indoor unit PCB 41 42 47 Pressure Cooling overload (possible activation of high pressure device) Heating overload (high-pressure device may be activated) Activation of protection device for low pressure drop O.U. pipe thermistor temp. is higher than 55ºC and the compressor top temp. is higher than 95ºC, O.U. protection device is activated If I.U. freeze protection thermistor temp. is higher than 55ºC and compressor top temp. is higher than 95ºC, O.U. protection device is activated Stoppage due to excessive decrease of evaporating temperature (Tem < -35ºC) is activated 3 times in one hour, motor locked in heating mode pag. 216

Troubleshooting Alarm codes (Cont.) Code No. 48 Category Type of abnormality Main cause Activation of overcurrent protection 51 Abnormality in inverter current sensor 53 Inverter Activation for protection of DIP IPM, IPM or PCB2 54 Increase in inverter fin temperature Overload, overcurrent. Failure of DIP IPM, IPM or PCB2, heat exchanger clogged, locked compressor Incorrect wiring of current sensor. Failure of control PCB, DIP IPM, IPM or PCB2 Abnormality in DIP IPM or PCB2. Compressor failure, heat exchanger clogged Abnormal inverter fin thermistor Heat exchanger clogged Abnormal outdoor fan 55 Abnormality in DIP IPM, IPM or PCB2 Failure of DIP-IPM, IPM or PCB2 57 Outdoor fan Fan motor abnormality Disconnected wire or incorrect wiring between control PCB and inverter PCB Incorrect wiring or abnormality in fan motor 59 Inverter Abnormality in inverter fin thermistor Lost terminals, disconnected wire, failure of inverter thermistor EE Compressor Compressor protection alarm Compressor failure b1 IU nº setting Incorrect unit nº setting Over 64 indoor units, setting by nº or indoor unit address 96 Room temperature thermistor Sensor on KPI Unit 97 Outdoor temperature thermistor Failure of thermistor, sensor, connection 11 pag. 217

HITACHI is participating in the EUROVENT Certification Programme. Products are as specified in the EUROVENT Directory of Certified Products. HitachiAir Conditioning Products Europe, S.A. Ronda Shimizu,1 - Políg. Ind. Can Torrella 08233 Vacarisses (Barcelona) España ISO 9001 Certified byaenor, Spain ISO 14001 Certified byaenor, Spain Hitachi Appliances, Inc. Shimizu-shi, Shizuoka-ken, Japan ISO 9001 Certified by JQA, Japan ISO 14001 Certified by JQA, Japan Hitachi Air Conditioning Products (M) Sdn. Bnd. Lot No. 10, Jalan Kemajan Bangi Industrial Estate 43650 Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia Certification ISO 9001, Malaysia Certification ISO 14001, Malaysia TCGB0052 rev.1-07/2009 - Printed in Spain