CU-HE9PKE CU-HE12PKE CU-AE9PKE CS-HE9PKE CS-HE12PKE CS-AE9PKE. Destination North Europe TABLE OF CONTENTS WARNING

Transcription

1 Order No: PAPAMY3070CE Indoor Unit CS-HE9PKE CS-HE2PKE CS-AE9PKE Outdoor Unit CU-HE9PKE CU-HE2PKE CU-AE9PKE Destination North Europe WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. TABLE OF CONTENTS. Safety Precautions Specification Features Location of Controls and Components Indoor Unit Outdoor Unit Remote Control Dimensions Indoor Unit Outdoor Unit Refrigeration Cycle Diagram Block Diagram Wiring Connection Diagram Indoor Unit Outdoor Unit Electronic Circuit Diagram Indoor Unit Outdoor Unit Printed Circuit Board Indoor Unit...2 Panasonic Corporation 203.

2 0.2 Outdoor Unit Installation Instruction Select The Best Location Indoor Unit Outdoor Unit Operation and Control Basic Function Indoor Fan Motor Operation Outdoor Fan Motor Operation Airflow Direction Quiet operation (Cooling Mode/Cooling area of Dry Mode) Quiet operation (Heating) Powerful Mode Operation Timer Control Auto Restart Control Indication Panel nanoe-g Operation ECONAVI Operation /0 C Heat Operation Protection Control Protection Control For All Operations Protection Control For Cooling & Soft Dry Operation Protection Control For Heating Operation Servicing Mode Auto OFF/ON Button Remote Control Button Troubleshooting Guide Refrigeration Cycle System Breakdown Self Diagnosis Function Error Code Table Self-diagnosis Method Disassembly and Assembly Instructions Indoor Unit Outdoor Electronic Controller Removal Procedure Technical Data Cool Mode Performance Data Heat Mode Performance Data Service Data Cool Mode Outdoor Air Temperature Characteristic Heat Mode Outdoor Air Temperature Characteristic Piping Length Correction Factor Exploded View and Replacement Parts List00 9. Indoor Unit Outdoor Unit

3 . Safety Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications. WARNING CAUTION This indication shows the possibility of causing death or serious injury. This indication shows the possibility of causing injury or damage to properties. The items to be followed are classified by the symbols: This symbol denotes item that is PROHIBITTED from doing. Carry out test run to confirm that no abnormality occurs after the servicing. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.. Do not modify the machine, part, material during repairing service. WARNING 2. If wiring unit is supplied as repairing part, do not repair or connect the wire even only partial wire break. Exchange the whole wiring unit. 3. Do not wrench the fasten terminal. Pull it out or insert it straightly. 4. Engage authorized dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire. 5. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire Use the attached accessories parts and specified parts for installation and servicing. Otherwise, it will cause the set to fall, water leakage, fire or electrical shock. Install at a strong and firm location which is able to withstand the set's weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury. For electrical work, follow the local national wiring standard, regulation and the installation instruction. An independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire. This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case equipment breakdown or insulation breakdown. Do not use joint cable for indoor/outdoor connection cable. Use the specified indoor/outdoor connection cable, refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor/outdoor connection. Clamp the cable so that no external force will be acted on the terminal. If connection or fixing is not perfect, it will cause heat up or fire at the connection. Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will cause heat-up or fire at connection point of terminal, fire or electrical shock. When install or relocate air conditioner, do not let any substance other than the specified refrigerant, eg. air etc. mix into refrigeration cycle (piping). (Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit at veranda of high rise building, child may climb up to outdoor unit and cross over the handrail and causing accident. This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electrical shock in case equipment breakdown or insulation breakdown. 5. Keep away from small children, the thin film may cling to nose and mouth and prevent breathing Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage. For R40A model, use piping, flare nut and tools which is specified for R40A refrigerant. Using of existing (R22) piping, flare nut and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury. Thickness or copper pipes used with R40A must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm. It is desirable that the amount of residual oil less than 40 mg/0 m. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). 3

4 WARNING During pump down operation, stop the compressor before remove the refrigeration piping. (Removal of refrigeration piping while compressor is operating and valves are opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). After completion of installation or service, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire. 22. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire. 23. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury. 24. Must not use other parts except original parts describe in catalog and manual. 25. Using of refrigerant other than the specified type may cause product damage, burst and injury etc. CAUTION Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage. 4. Do not touch outdoor unit air inlet and aluminium fin. It may cause injury. 5. Select an installation location which is easy for maintenance Pb free solder has a higher melting point than standard solder; typically the melting point is 50 F - 70 F (30 C - 40 C) higher. Please use a high temperature solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20 F (370 ± 0 C). Pb free solder will tend to splash when heated too high (about 00 F / 600 C). Power supply connection to the room air conditioner. Use power supply cord 3.5 mm 2 type designation 245 IEC 57 or heavier cord. Connect the power supply cord of the air conditioner to the mains using one of the following method. Power supply point should be in easily accessible place for power disconnection in case of emergency. In some countries, permanent connection of this air conditioner to the power supply is prohibited. ) Power supply connection to the receptacle using power plug. Use an approved 5/6A power plug with earth pin for the connection to the socket. 2) Power supply connection to a circuit breaker for the permanent connection. Use an approved 6A circuit breaker for the permanent connection. It must be a double pole switch with a minimum 3.0 mm contact gap. Do not release refrigerant during piping work for installation, servicing, reinstallation and during repairing a refrigerant parts. Take care of the liquid refrigerant, it may cause frostbite. 9. Installation or servicing work: It may need two people to carry out the installation or servicing work. 0. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.. Do not sit or step on the unit, you may fall down accidentally. 2. Do not touch the sharp aluminum fins or edges of metal parts. If you are required to handle sharp parts during installation or servicing, please wear hand glove. Sharp parts may cause injury. 4

5 2. Specification Heating Cooling Indoor CS-HE9PKE CS-AE9PKE Model Outdoor CU-HE9PKE CU-AE9PKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply V 230 Min. Mid. Max. kw Capacity BTU/h kcal/h Running Current A 2.20 Input Power W Annual Consumption kwh 228 W/W BTU/hW EER kcal/hw Pdesign kw 2.5 ErP Class A+++ Power Factor % 90 Indoor Noise (H / L / QLo) Outdoor Noise (H / L / QLo) kw Capacity BTU/h kcal/h Running Current A 2.70 Input Power W k W/W COP BTU/hW kcal/hw Pdesign kw 3.0 Tbivalent C -0 ErP SCOP (W/W) 4.9 Annual Consumption kwh 857 Class A++ Power Factor % 93 SEER db-a db-a (W/W) 39 / 26 / / - / - 9. Annual Consumption Power Level db Power Level db kwh 55 / - / - 6 / - / - 96 Indoor Noise (H / L / QLo) db-a 42 / 27 / 24 Power Level db 58 / - / - Outdoor Noise (H / L / QLo) db-a 47 / - / - Power Level db 62 / - / - Low Temp. : Capacity (kw) / I.Power (W) / COP 4.75 /.5k / 3.5 Extr Low Temp. : Capacity (kw) / I.Power (W) / COP 3.97 /.47k / 2.70 Max Current (A) / Max Input Power (W) 7.7 /.7k Starting Current (A) 2.70 Type Hermetic Motor (Rotary) Compressor Motor Type Brushless (4 poles) Output Power W 900 5

6 Indoor Fan Outdoor Fan Speed Speed Indoor Airflow Outdoor Airflow Model Type Material Motor Type Indoor Outdoor CS-HE9PKE CS-AE9PKE CU-HE9PKE CU-AE9PKE Cross-Flow Fan ASG33 DC / Transistor (8-poles) Input Power W 44.9 Output Power W 40 QLo Lo Me Hi SHi Type Material Motor Type Cool/Fan rpm 630 Heat rpm 730 Cool/Fan rpm 690 Heat rpm 800 Cool/Fan rpm 890 Heat rpm 000 Cool/Fan rpm 090 Heat rpm 200 Cool/Fan rpm 50 Heat rpm 270 Propeller Fan PP DC / Transistor (8-poles) Input Power W Output Power W 40 Hi Cool rpm 850 Heat rpm 850 Moisture Removal L/h (Pt/h).5 (3.2) QLo Lo Me Hi SHi Hi Cool/Fan m 3 /min (ft 3 /min) 6.78 (240) Heat m 3 /min (ft 3 /min) 8.06 (285) Cool/Fan m 3 /min (ft 3 /min) 7.55 (267) Heat m 3 /min (ft 3 /min) 8.96 (36) Cool/Fan m 3 /min (ft 3 /min) 9.99 (353) Heat m 3 /min (ft 3 /min).54 (408) Cool/Fan m 3 /min (ft 3 /min) 2.3 (435) Heat m 3 /min (ft 3 /min) 4. (500) Cool/Fan m 3 /min (ft 3 /min) 3.46 (475) Heat m 3 /min (ft 3 /min) 5.0 (530) Cool/Fan m 3 /min (ft 3 /min) 33. (70) Heat m 3 /min (ft 3 /min) 34.0 (200) Control Device Expansion Valve Refrigeration Cycle Refrigerant Oil cm 3 FV50S (450) Refrigerant Type g (oz) R40A,.37k (48.4) Height(I/D / O/D) mm (inch) 295 (-5/8) / 622 (24-/2) Dimension Width (I/D / O/D) mm (inch) 870 (34-9/32) / 824 (32-5/32) Depth (I/D / O/D) mm (inch) 255 (0-/6) / 299 (-25/32) Weight Net (I/D / O/D) kg (lb) 0 (22) / 38 (84) Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (/4) / 9.52 (3/8) Piping Standard length m (ft) 5.0 (6.4) Length range (min max) m (ft) 3 (9.8) ~ 5 (49.2) I/D & O/D Height different m (ft) 5.0 (6.4) Additional Gas Amount g/m (oz/ft) 20 (0.2) Length for Additional Gas m (ft) 7.5 (24.6) 6

7 Drain Hose Indoor Heat Exchanger Outdoor Heat Exchanger Air Filter Indoor Operation Range Model Indoor Outdoor CS-HE9PKE CS-AE9PKE CU-HE9PKE CU-AE9PKE Inner Diameter mm 6 Length mm 650 Fin Material Fin Type Aluminium (Pre Coat) Slit Fin Row Stage FPI Size (W H L) mm Fin Material Aluminium Fin Type Corrugate Fin Row Stage FPI Size (W H L) mm :827.7 Material Polypropelene Power Supply Type One-touch Power Supply Cord A Nil Thermostat Protection Device Cooling Heating Dry Bulb Indoor Electronic Control Electronic Control Wet Bulb Maximum C Minimum C 6 Maximum C 30 Minimum C 6 +8/0 C Maximum C 0 HEAT Minimum C 8 Outdoor Operation Range Cooling Maximum C Minimum C 6 Heating Maximum C 24 8 Minimum C -5 +8/0 C Maximum C HEAT Minimum C -5. Cooling capacities are based on indoor temperature of 27 C Dry Bulb (80.6 F Dry Bulb), 9.0 C Wet Bulb (66.2 F Wet Bulb) and outdoor air temperature of 35 C Dry Bulb (95 F Dry Bulb), 24 C Wet Bulb (75.2 F Wet Bulb) 2. Heating capacities are based on indoor temperature of 20 C Dry Bulb (68 F Dry Bulb) and outdoor air temperature of 7 C Dry Bulb (44.6 F Dry Bulb), 6 C Wet Bulb (42.8 F Wet Bulb) 3. Heating low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20 C, outdoor 2/ C. 4. Heating extreme low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20 C, outdoor -7/-8 C. 5. Specifications are subjected to change without prior notice for further improvement. 6. Maximum heating capacity shown are the values based on powerful operation. 7. If the EUROVENT Certified models can be operated under the extra-low temperature condition, -7 C DB and -8 C WB temperature with rated voltage 230V shall be used. 8. The annual consumption is calculated by multiplying the input power by an average of 500 hours per year in cooling mode. 9. SEER and SCOP classification is at 230V only in accordance with EN For heating, SCOP indicates the value of only Average heating season. Other fiche data indicates in an attached sheet. 7

8 Heating Cooling Indoor CS-HE2PKE Model Outdoor CU-HE2PKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply V 230 Min. Mid. Max. kw Capacity BTU/h kcal/h Running Current A 3.90 Input Power W Annual Consumption kwh 45 W/W EER BTU/hW kcal/hw Pdesign kw 3.5 ErP Class A+++ Power Factor % 93 Indoor Noise (H / L / QLo) Outdoor Noise (H / L / QLo) kw Capacity BTU/h kcal/h Running Current A 4.00 Input Power W k W/W COP BTU/hW kcal/hw Pdesign kw 3.8 Tbivalent C -0 ErP SCOP (W/W) 4.8 Annual Consumption kwh 08 Class A++ Power Factor % 92 SEER db-a db-a (W/W) 42 / 29 / / - / Annual Consumption Power Level db Power Level db kwh 58 / - / - 63 / - / - 44 Indoor Noise (H / L / QLo) db-a 44 / 33 / 30 Power Level db 60 / - / - Outdoor Noise (H / L / QLo) db-a 50 / - / - Power Level db 65 / - / - Low Temp. : Capacity (kw) / I.Power (W) / COP 5.62 / 2.02k / 2.78 Extr Low Temp. : Capacity (kw) / I.Power (W) / COP 4.65 /.92k / 2.42 Max Current (A) / Max Input Power (W) 0.0 / 2.28k Starting Current (A) 4.0 Type Hermetic Motor (Rotary) Compressor Motor Type Brushless (4-poles) Output Power W 900 8

9 Indoor Fan Outdoor Fan Speed Speed Indoor Airflow Outdoor Airflow Model Type Material Motor Type Indoor Outdoor CS-HE2PKE CU-HE2PKE Cross-flow Fan ASG33 DC / Transistor (8-poles) Input Power W 44.9 Output Power W 40 QLo Lo Me Hi SHi Type Material Motor Type Cool/Fan rpm 690 Heat rpm 870 Cool/Fan rpm 740 Heat rpm 930 Cool/Fan rpm 930 Heat rpm 00 Cool/Fan rpm 30 Heat rpm 270 Cool/Fan rpm 200 Heat rpm 340 Propeller Fan PP DC / Transistor (8-poles) Input Power W Output Power W 40 Hi Cool rpm 860 Heat rpm 890 Moisture Removal L/h (Pt/h) 2.0 (4.2) QLo Lo Me Hi SHi Hi Cool/Fan m 3 /min (ft 3 /min) 7.55 (265) Heat m 3 /min (ft 3 /min) 9.86 (348) Cool/Fan m 3 /min (ft 3 /min) 8.9 (290) Heat m 3 /min (ft 3 /min) 0.64 (375) Cool/Fan m 3 /min (ft 3 /min) 0.7 (378) Heat m 3 /min (ft 3 /min) 2.82 (453) Cool/Fan m 3 /min (ft 3 /min) 3.2 (465) Heat m 3 /min (ft 3 /min) 5.0 (530) Cool/Fan m 3 /min (ft 3 /min) 4. (498) Heat m 3 /min (ft 3 /min) 5.9 (562) Cool/Fan m 3 /min (ft 3 /min) 34.4 (25) Heat m 3 /min (ft 3 /min) 35.6 (255) Control Device Expansion Valve Refrigeration Cycle Refrigerant Oil cm 3 FV50S (450) Refrigerant Type g (oz) R40A,.40k (49.4) Height(I/D / O/D) mm (inch) 295 (-5/8) / 622 (24-/2) Dimension Width (I/D / O/D) mm (inch) 870 (34-9/32) / 824 (32-5/32) Depth (I/D / O/D) mm (inch) 255 (0-/6) / 299 (-25/32) Weight Net (I/D / O/D) kg (lb) 0 (22) / 38 (84) Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (/4) / 9.52 (3/8) Piping Standard length m (ft) 5.0 (6.4) Length range (min max) m (ft) 3 (9.8) ~ 5 (49.2) I/D & O/D Height different m (ft) 5.0 (6.4) Additional Gas Amount g/m (oz/ft) 20 (0.2) Length for Additional Gas m (ft) 7.5 (24.6) 9

10 Drain Hose Indoor Heat Exchanger Outdoor Heat Exchanger Air Filter Indoor Operation Range Model Indoor Outdoor CS-HE2PKE CU-HE2PKE Inner Diameter mm 6 Length mm 650 Fin Material Fin Type Aluminium (Pre Coat) Slit Fin Row Stage FPI Size (W H L) mm Fin Material Aluminium Fin Type Corrugate Fin Row Stage FPI Size (W H L) mm :827.7 Material Polypropelene Power Supply Type One-touch Power Supply Cord A Nil Thermostat Protection Device Cooling Heating Dry Bulb Indoor Electronic Control Electronic Control Wet Bulb Maximum C Minimum C 6 Maximum C 30 Minimum C 6 +8/0 C Maximum C 0 HEAT Minimum C 8 Outdoor Operation Range Cooling Maximum C Minimum C 6 Heating Maximum C 24 8 Minimum C -5 +8/0 C Maximum C HEAT Minimum C -5. Cooling capacities are based on indoor temperature of 27 C Dry Bulb (80.6 F Dry Bulb), 9.0 C Wet Bulb (66.2 F Wet Bulb) and outdoor air temperature of 35 C Dry Bulb (95 F Dry Bulb), 24 C Wet Bulb (75.2 F Wet Bulb) 2. Heating capacities are based on indoor temperature of 20 C Dry Bulb (68 F Dry Bulb) and outdoor air temperature of 7 C Dry Bulb (44.6 F Dry Bulb), 6 C Wet Bulb (42.8 F Wet Bulb) 3. Heating low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20 C, outdoor 2/ C. 4. Heating extreme low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20 C, outdoor -7/-8 C. 5. Specifications are subjected to change without prior notice for further improvement. 6. Maximum heating capacity shown are the values based on powerful operation. 7. If the EUROVENT Certified models can be operated under the extra-low temperature condition, -7 C DB and -8 C WB temperature with rated voltage 230V shall be used. 8. The annual consumption is calculated by multiplying the input power by an average of 500 hours per year in cooling mode. 9. SEER and SCOP classification is at 230V only in accordance with EN For heating, SCOP indicates the value of only Average heating season. Other fiche data indicates in an attached sheet. 0

11 3. Features Inverter Technology o Wider output power range o Energy saving o More precise temperature control Air Purifying System with nanoe-g o Deactivates and removes bacterial, viruses and mould Environment Protection o Non-ozone depletion substances refrigerant (R40A) Long Installation Piping o Long piping up to 5 meters during single split connection only Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect Compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24-hour timer setting o +8/0 C HEAT operation is designed to provide heating at low temperature settings. It is used in houses unoccupied during winter, for the purpose of protecting equipment or housing appliances which may be destroyed by extreme cold weather Serviceability Improvement o Breakdown Self Diagnosis function

12 4. Location of Controls and Components 4. Indoor Unit Air Filters Front panel Auto OFF/ON button Use when remote control is misplaced or a malfunction occurs. Aluminium fin Vertical airflow direction louver Do not adjust by hand. Horizontal airflow direction louver Do not adjust by hand. Indicator Sunlight Sensor and Remote Control Receiver (Maximum distances: 8m) nanoe-g GENERATOR Do not touch during operation. POWER/ DEICE (Green/ Blue) TIMER +8/0 C HEAT NAE-G POWERFUL QUIET (Orange) (Green) (Blue) (Orange) (Orange) (Green) 4.2 Outdoor Unit Air inlet (side) Air inlet (rear) Air outlet 4.3 Remote Control Transmitter LCD display ECONAVI operation Operation mode +8/0 C HEAT operation Powerful/Quiet operation Check Off/On Temperature setting nanoe-g operation Airflow direction adjustment Fan speed selection Timer setting Clock setting 2

13 5. Dimensions 5. Indoor Unit <Top View> <Side View> Air intake direction <Front View> <Side View> 255 Left ping hole Air outlet direction <Bottom View> Right ping hole 4.5 <Remote Control Transmitter> <Rear View> (4-6) 590 Gas side Liquid side Relative position between the indoor unit and the installation plate <Front View> Installation plate Indoor unit external dimensions line Left piping hole PIPE HOLE CENTER 28 DISTANCETO PIPE HOLE CENTER 28 mm 435 Right piping hole 264. DIS TANCE TO PIPE HOLE CENTER 28 mm PIPE HOLE CENTER Unit : mm 3

14 5.2 Outdoor Unit Space necessary for installation <Top View> (24) (53.4) 32 0cm 0cm 00cm Anchor Bolt Pitch 330 x 540 <Side View> <Front View> <Side View> (23) 6 Unit : mm 3-way valve at Gas side (Low Pressure) 2-way valve at Liquid side (High Pressure) 4

15 6. Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID SIDE 2-WAY VALVE EXPANSION VALVE STRAINER PIPE TEMP. SENSOR INTAKE TEMP. SENSOR INTAKE TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) PIPE TEMP. SENSOR HEAT EXCHANGER (CONDENSER) GAS SIDE 3-WAY VALVE TANK TEMP. SENSOR MUFFLER 4-WAY VALVE COMPRESSOR COOLING HEATING 5

16 7. Block Diagram SINGLE PHASE POWER SUPPLY Ø 230V 50Hz TEMPERATURE FUSE (INDOOR UNIT) (OUTDOOR UNIT) FUSE 03 RY-PWR FUSE 30 RY-PWR2 SC M 2 3 CT0 REACTOR TH NTC FUSE 04 RY-AC PTC PTC RY-PWR C03 u ISE FILTER L TEMPERATURE FUSE N SC 4-WAYS VALVE FUSE 0 IC9 MS 3~ MS 3~ u 6

17 WWWWWWWWWWW WWWW 8. Wiring Connection Diagram 8. Indoor Unit ELECTRONIC CONTROLLER (MAIN) TEMP. FUSE 02 C (3A) TEMP. FUSE 02 C (3A) 2 3 Y/G RY-PWR AC304 (RED) AC303 (WHT) G30 (GRN) FUSE30 T3.5A L250V RY-PWR2 ISE FILTER CIRCUIT CN-RMT (WHT) CN-CNT (WHT) CN-STM (WHT) BR R O M Y P 5 UP DOWN LOUVER MOTOR (OUTER) Y/G EVAPORATOR COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT CN-STM2 (YLW) 5 BR R O M Y P 5 LEFT RIGHT LOUVER MOTOR M FAN MOTOR Y B W BL R CN-FM (WHT) 7 4 CN-RCV (YLW) 4 CN-DISP (YLW) CN-STM4 (BLU) 5 4 BR t CN-TH (RED) R O M Y P 5 UP DOWN LOUVER MOTOR (INNER) PIPING TEMP. SENSOR (THERMISTOR) SUCTION TEMP. SENSOR (THERMISTOR) REMOTE CONTROLLER 4 CN-RCV (WHT) LIGHT SENSOR ELECTRONIC CONTROLLER (RECEIVER) CN-DISP (WHT) ELECTRONIC CONTROLLER (DISPLAY) REMARKS: B : BLUE P : PINK BR : BROWN O : ORANGE BL : BLACK Y : YELLOW W : WHITE G : GREEN R : RED Y/G : YELLOW/GREEN 0 0 t P L MINUS ION GENERATOR SINGLE PHASE POWER SUPPLY ø 230V 50Hz TO OUTDOOR UNIT GROUNDING TERMINAL CN-CLN (WHT) 4 W W W W CN2 GND BL G CN (WHT) HIGH VOLTAGE POWER SUPPLY 4 TERMINAL BOARD L N GROUNDING TERMINAL BL BR R W G 7

18 8.2 Outdoor Unit YELLOW(YLW) TO INDOOR UNIT (BLACK) (WHITE) (RED) (BLACK) 2 (WHITE) 3 (RED) TERMINAL BOARD GRY REACTOR GRY BLUE (BLU) RED (RED) (TRADEMARK) COMPRESSOR TERMINAL THE PARENTHESIZED LETTERS IS INDICATED ON TERMINAL COVER. RED BLK WHT DATA (RED) AC-BLK (BLK) FUSE 03 (20A 250V) AC-WHT (WHT) ISE FILTER CIRCUIT RAT2 (GRY) FUSE 04 (T3.5A L250V) RAT (GRY) COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT CN-TH (WHT) CN-TANK (WHT) 4 3 OUTDOOR AIR TEMP. SENSOR (THERMISTOR) 0 t 0 t PIPING TEMP. SENSOR (THERMISTOR) COMPRESSORTEMP. SENSOR (THERMISTOR) 0 t GRN FGI (GRN) BASE PAN HEATER GRN FAN MOTOR MS 3~ BLU 3 BLU FG2 (GRN) HT2 (BLU) ACN2(BLU) CN-MTR2 (WHT) 3 5 CN-MTR (WHT) 5 W U V RY-HT2 IC PFC CIRCUIT ELECTRONIC CONTROLLER RECTIFICATION CIRCUIT FUSE 0 T3.5A L250V SWITCHING POWER SUPPLY CIRCUIT P N Q CN-HOT (WHT) CN-STM (WHT) 3 6 U(RED) U V(BLU) V W(YLW) W ELECTRO-MAGNETIC COIL (4-WAY VALVE) ELECTRO-MAGNETIC COIL (EXPANSION VALVE) RED BLU YLW M MS 3~ COMPRESSOR Resistance of Compressor Windings MODEL CU-HE9PKE / CU-HE2PKE CONNECTION 5RD32XBE2 U - V.897Ω U - W.907Ω V - W.882Ω Winding resistance at 20 C. 8

19 + 9. Electronic Circuit Diagram 9. Indoor Unit TEMP. FUSE 02 C (3A) TEMP. FUSE 02 C (3A) TERMINAL BOARD 2 3 GROUNDING TERMINAL Y/G ELECTRONIC CONTROLLER (MAIN) RY-PWR AC304 (RED) AC303 (WHT) G30 (GRN) FUSE30 T3.5A L250V RY-PWR2 Y/G EVAPORATOR B2 BZ R30 5V W W W W P L TO OUTDOOR UNIT L N BL BR R W G ISE FILTER CIRCUIT GROUNDING TERMINAL COMMUNICATION CIRCUIT REMOTE CONTROLLER FAN MOTOR LED30 2 M ELECTRONIC CONTROLLER (DISPLAY) POWER (GREEN) 3 DEICE (BLUE) 2V 5V 5V R30 R308 Y B W BL R e c e c CN-FM (WHT) 7 4 Q30 0k 4.7k TIMER R302 LED302 (orange) R303 LED303 (green) R304 LED304 (green) AUTO COMF b Q302 0k 4.7k b RECTIFICATION CIRCUIT CN-DISP WHITE W W W W W W W W W W W (blue) LED305 Nanoe-G (orange) LED306 Quiet (orange) LED307 Powerful R305 R306 R307 IC06 *CN-DISP YELLOW 2V V IC V R47 R46 2V R58 2V CN-STM WHITE YELLOW 2V CN-STM4 BLUE 5V CN-RCV YELLOW BR IC20 R O M Y P *R74 *R75 *C4 R62 IC C25 2V R6 C27 *CN-STM2 2V 4 32 *CN-CLN BR 5 R O M Y P W W W W BR *CN-TH (THERMISTOR) R O M Y P 5 5 CN-RCV 5V GND-A Vout Vcc 2 GND UP DOWN LOUVER MOTOR (OUTER) UP DOWN LOUVER MOTOR (INNER) SUCTION TEMP. SENSOR (THERMISTOR) PIPING TEMP. SENSOR 3 BL LEFT RIGHT LOUVER MOTOR R24 5V R209 R R9 R92 5V R37 0k R85 *C47 NE C3 *C48 NE 5V C R90 R83 k R84 k 5V R82 *L6 2V 5V *L5 ELECTRONIC CONTROLLER (RECEIVER) GND GND 4 5 GND-A *R20 *R2 C20 C202 SEN20 *JP20 5V c e C45 *C49 NE R26 C52 C5 *C56 *C57 *R22 *R23 *JP202 *JP *CN-RMT *CN-NMODE *CN-CNT *JP204 GND-A 0 t 0 t MINUS ION GENERATOR CN2 GND G CN (WHT) HIGH VOLTAGE POWER SUPPLY SINGLE PHASE POWER SUPPLY ø 230V 50Hz b *Q02 0k 0k Sensor (Thermistor) Characteristics 90 c e *R3 2 *R2 2V e 3 b c *Q0 *C23 *R4 *C24 5V *R2 5V *C26 *R0 c e *Q04 4.7k 47k b *C29 4 Resistance (kω) 0 0 Pipe Temp. Sensor Intake Air Temp. Sensor Temperature (ºC) 2 2 9

20 9.2 Outdoor Unit TO INDOOR UNIT (BLACK) (WHITE) (RED) (BLACK) 2 (WHITE) 3 (RED) TERMINAL BOARD GRY REACTOR GRY RED DATA (RED) RAT2 (GRY) RAT (GRY) 5V BLK WHT GRN GRN AC-BLK (BLK) FUSE 03 (20A 250V) AC-WHT (WHT) FGI (GRN) FG2 (GRN) ISE FILTER CIRCUIT FUSE 04 (T3.5A L250V) COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY CIRCUIT + C88 C0 C5 R2 C9 R G2 G2 G2 R CN-TH 5V 3 CN-TANK OUTDOOR AIR TEMP. SENSOR (THERMISTOR) 0 t 0 t PIPING TEMP. SENSOR (THERMISTOR) COMPRESSORTEMP. SENSOR (THERMISTOR) 0 t G2 G2 BASE PAN HEATER BLU 3 BLU HT2 (BLU) ACN2 (BLU) RY-HT2 PFC CIRCUIT RECTIFICATION CIRCUIT *D20 3 *CN-HOT ELECTRO-MAGNETIC COIL (4-WAY VALVE) G2 FAN MOTOR MS 3~ 3 5 CN-MTR2 (WHT) CN-S NH2 W U V IC9 *R3 *R32 *R33 *CN-MTR 5V G2 R240 R4 G2 C68 5V + *C78 G2 *C86 *C88 *C87 G2 G2 G2 ELECTRONIC CONTROLLER FUSE 0 T3.5A L250V *C74 G2 3V *D73 *D74 *D75 *D76 P N Q *CN-STM U(RED) U V(BLU) V W(YLW) W ELECTRO-MAGNETIC COIL (EXPANSION VALVE) RED BLU YLW M MS 3~ COMPRESSOR The unit turn to the Rated Frequency cooling Operation by short-circuiting CN-S after applying power between the terminal and 2. Operation of the compressor and the outdoor fan motor can be checked by applying power after short-circuiting CN-S Sensor (Thermistor) Characteristics OutdoorAir Sensor 2 Outdoor Heat Exchanger Sensor Compressor Temp. Sensor (Thermistor) Characteristics Resistance (kω) Resistance (kω) Temperature ( C) Temperature ( C) 20

21 0. Printed Circuit Board 0. Indoor Unit 0.. Main Printed Circuit Board AC303 CN-FM CN-TH CN-STM2 CN-STM CN-RCV CN-DISP CN-STM4 CN-CLN CN-CNT JP (Random Auto Restart enable/disable) 0..2 Indicator Printed Circuit Board LED30 LED302 LED304 LED305 LED307 LED306 CN-DISP LED303 2

22 0..3 Receiver Printed Circuit Board CN-RCV 0..4 High Voltage Power Supply Printed Circuit Board 22

23 0.2 Outdoor Unit 0.2. Main Printed Circuit Board DATA CN-MTR2 AC-BLK AC-WHT CN-STM CN-HOT CN-TH CN-MTR CN-TANK CURRENT TRANSFORMER (CT) CN-S POWER TRANSISTOR (IPM) 23

24 65 mm or more. Installation Instruction. Select The Best Location.. Indoor Unit Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. There should not be any heat source or steam near the unit. There should not be any obstacles blocking the air circulation. A place where air circulation in the room is good. A place where drainage can be easily done. A place where noise prevention is taken into consideration. Do not install the unit near the door way. Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. Recommended installation height for indoor unit shall be at least 2.5 m...2 Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed. There should not be any animal or plant which could be affected by hot air discharged. Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles. Do not place any obstacles which may cause a short circuit of the discharged air. If piping length is over the [piping length for additional gas], additional refrigerant should be added as shown in the table. Model Horse Power (HP) HE9***, NE9***, XE9***,.0HP QE9***,WE9***, AE9*** HE2***, NE2***, XE2***,.5HP QE2***, WE2***, AE2*** Piping size Gas Liquid 9.52mm 6.35mm (3/8") (/4") Std. Length (m) 5 Max. Elevation (m) Min. Piping Length (m) Max. Piping Length (m) Additional Refrigerant (g/m) Piping Length for add. gas (m) Indoor/Outdoor Unit Installation Diagram 50 mm or more Piping direction Right Right Rear (Left andright are identical) Vinyl tape Remote control holder fixing scr ews 6 Remote control 3 Right bottom It is advisa ble to avoid more than 2 blockage direction s. For better ventilation & multiple-outdoor installation, please consult autho rized dealer/specialist. (Front side) Left Insulation of piping connections Carry out insulation after checking for gas leaks and secure with vinyl tape. Attaching the remote control holder to thewall Remote control holder 5 This illustration is for explanation purposes only. The indoor unit will actuallyface a different way. Attention not to bend up drain hose 00 mm or more 000 mm or more 00 mm or more 300 mm or more Installation parts you should purchase ( ) Installation plate Bushing-Sleeve ( ) Sleeve ( ) Putty ( ) (GumType Sealer) Bend the pipe as closely on thewall as possible, but be careful that it doesn t break. Power supply cord ( ) Vinyl tape (wide) ( ) Apply after carrying out a drainage test. To carry out the drainage test, remove the air filters and pour water into the heat exchanger. Saddle ( ) Connection cable ( ) Liquid side piping ( ) Gas side piping ( ) Additional drain hose ( ) Example: For HE9*** If the unit is installed at 0 m distance, the quantity of additional refrigerant should be 50 g. (0-7.5) m 20 g/m =50 g. 24

25 .2 Indoor Unit.2. How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from vibration. Wall More than Wall More than Wall 2 screw More than 2 28 mm DISTANCETO PIPE HOLE CENTER 28 mm PIPE HOLE CENTER Installation plate 24.5 mm DIS TANCE TO PIPE HOLE CENTER 28 mm PIPE HOLE CENTER 28 mm Model HE9/2***, NE9/2***, XE9/2***, QE9/2***,WE9/2***, AE9/2*** Dimension 485 mm 92 mm 435 mm 435 mm 27 mm 88 mm The centre of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than 2. From installation plate center to unit s left side is 3. From installation plate center to unit s right side is 4. B : For left side piping, piping connection for liquid should be about 5 from this line. : For left side piping, piping connection for gas should be about 6 from this line. Mount the installation plate on the wall with 5 screws or more (at least 5 screws). (If mounting the unit on the concrete wall, consider using anchor bolts.) o Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a level gauge. 2 Drill the piping plate hole with ø70 mm hole-core drill. o Line according to the left and right side of the installation plate. The meeting point of the extended line is the center of the hole. Another method is by putting measuring tape at position as shown in the diagram above. The hole center is obtained by measuring the distance namely 28 mm for left and right hole respectively. o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side..2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole. 2 Fix the bushing to the sleeve. 3 Cut the sleeve until it extrudes about 5 mm from the wall. CAUTION When the wall is hollow, please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable. 4 Finish by sealing the sleeve with putty or caulking compound at the final stage. Indoor Sleeve for tube assem bly ø70 mm through hole Wall Outdoor 5 mm Appr ox. 5-7 mm Bushing for tube assem bly Putty or caulking compound 25

26 .2.3 Indoor Unit Installation.2.3. For the right rear piping Step- Pull out the Indoor piping Step-2 Install the Indoor Unit Step-3 Secure the Indoor Unit Right Rear piping Tape it with piping in a position as mentioned in Fig. below. Piping Drain hose Cover for the right Cover for the piping bottom piping Cover for the bottom piping Cover for the left piping Step-4 Insert the connection cable For the right and right bottom piping Step- Step-2 Pull out the Indoor piping Install the Indoor Unit How to keep the cover In case of the cover is cut, keep the cover at the rear of chassis as shown in the illust ration for future reinstallation. (Left, right and 2 bottom covers for piping.) Right and Right Bottom piping Cover for piping Step-3 Step-4 Insert the connection cable Secure the Indoor Unit For the embedded piping Step- Step-2 Step-3 Step-4 Step-5 Replace the drain hose Bend the embedded piping Use a spring benderor equivalent to bend the piping so that the piping is not crushed. Pull the connection cable into Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Cut and flare the embedded piping When determining the dimensions of the piping, slide the unit all the way to the left on the installation plate. Refer to the section Cutting and flaring the piping. Install the Indoor Unit Tape it with piping in a position as mentioned in Fig. below. Drain hose Piping Cover for the right piping Install the indoor unit Hook the indoor unit onto the upper portion of installation plate. (Engage the indoor unit with the upper edge of the installation plate). Ensure the hooks are properly seated on the installation plate by moving it in left and right. Secure the Indoor Unit. Press the lower left and right side of the unit against the installation plate until hooks engages with their slot (sound click). marking Unit s hook Cover for the bottom piping Indoor unit Cover for the left piping Installation plate Hooks at installation plate Sleeve for piping hole Piping Drain hose To take out the unit, push the marking at the bottom unit, and pull it slightly towards you to disengage the hooks from the unit. Step-6 Step-7 Step-8 Connect the piping Please refer to Connecting the piping column in outdoor unit section. (Below steps are done after connecting the outdoor piping and gas-leakage confirmation.) Insulate and finish the piping Please refer to Insulation of piping connection column as mentioned in indoor/outdoor unit installation. Secure the Indoor Unit Insert the connection cable About mm Guide surface Connection ca ble Gas side piping Liquid side piping Connection ca ble Drain hose (This can be used for left rear piping and bottom piping also.) 26

27 Replace the d rain hose Rear view for left piping installation Drain cap Drain hose Piping Drain hose Connection cable More than 50 mm Sleeve for piping hole How to pull the piping and drain hose out, in case of the embedded piping. Apply putty or caulking material to seal thewall opening. PVC tubefor drain hose (VP-20) PVC tube for drain hose More than 700 mm Indoor unit 72 mm More than 50 mm More than 470 mm Cable Piping Connection cable Piping Drain hose from main unit PVC tube (VP-65)for piping and connection cable PVC tubefor drain hose (VP-30) In case of left piping how to insert the connection cable and drain hose. Drain hose 45 Cable Piping (For the right piping, follow the same procedure).2.4 Connect the Cable to the Indoor Unit The power supply cord, indoor and outdoor unit connection cable can be connected without removing the front grille. Install the indoor unit on the installing holder that mounted on the wall. 2 Open the front panel and grille door by loosening the screw. 3 Cable connection to the power supply through Isolating Devices (Disconnecting means). o Connect the approved polychloroprene sheathed power supply cord 3.5 mm 2 type designation 245 IEC 57 or heavier cord to the terminal board, and connect the other end of the cable to Isolating Devices (Disconnecting means). o Do not use joint power supply cord. Replace the wire if the existing wire (from concealed wiring, or o otherwise) is too short. In unavoidable case, joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug with earth pin rated 5/6A. Wiring work to both socket and plug must follow to national wiring standard. 4 Bind all the power supply cord lead wire with tape and route the power supply cord via the left escapement. 5 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4.5 mm 2 flexible cord, type designation 245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. 6 Bind all the indoor and outdoor connection cable with tape and route the connection cable via the right escapement. 27

28 7 Remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the outdoor unit 2 3 Colour of wires (connection cable) Terminals on the indoor unit (Power supply cord) L N 2 3 Terminals on the isolating devices (Disconnecting means) (L) (N) 8 Secure the power supply cord and connection cable onto the control board with the holder. 9 Close grille door by tighten with screw and close the front panel. Terminal Board Control Board Recommended length (mm) a b c d e f g Recommended length (mm) Earth wire longer than others AC wires for safety reason Holder Tape Holder Tape Power supply cord Power supply cord Indoor & outdoor connection cable Isolating Devices Outdoor unit Connection ca ble Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap. Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor s respectively. Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Wire Stripping, Connecting Requirement No loose st rand when inse rted 0 ± mm Wire st ripping Indoor/outdoor connection terminal board 5 mm or more (gap bet ween wires) Conductor fully inse rted Conductor over inse rted Conductor not fully inse rted ACCEPT PROHIBITED PROHIBITED 28

29 WARNING RISK OF FIRE JOINING OF WIRES MAY CAUSE OVERHE ATING AND FIRE. OR Do not joint wires OR OR Use complete wire without joining. Use approved socket and plug with ea rth pin. Wire connection in this area must follow to national wiring rules. 29

30 .3 Outdoor Unit.3. Install the Outdoor Unit After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø0 mm). 2 When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails. A B C D Model A B C D HE9***, NE9***, XE9***,QE9***,AE9*** HE2***, NE2***, XE2***, QE2***, AE2*** 540 mm 60 mm 8.5mm 330 mm.3.2 Connect the piping.3.2. Connecting the piping to Indoor Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (In case of using long piping) Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers. Further tighten the flare nut with torque wrench in specified torque as stated in the table. Do not overtighten, overtightening may cause gas leakage Piping size Torque 6.35 mm (/4 ) [8 N m (.8 kgf.m)] 9.52 mm (3/8 ) [42 N m (4.3 kgf.m)] 2.7 mm (/2 ) [55 N m (5.6 kgf.m)] 5.88 mm (5/8 ) [65 N m (6.6 kgf.m)] 9.05 mm (3/4 ) [00 N m (0.2 kgf.m)] Connecting the piping to Outdoor Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table. Spanner or Wrench Torque wrench 30

31 .3.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Indoor unit Liquid side Two-way valve Outdoor unit Gas side Close OPEN Three- way valve Close Lo Hi Vacuum pump CLOSE Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. o Be sure to connect the end of the charging hose with the push pin to the service port. 2 Connect the center hose of the charging set to a vacuum pump. 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmhg (0 MPa) to -76 cmhg (-0. MPa). Then evacuate the air approximately ten minutes. 4 Close the Low side valve of the charging set and turn off the vacuum pump. Make sure that the needle in the gauge does not move after approximately five minutes. Note : BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE. 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3-way valve. 6 Tighten the service port caps of the 3-way valve at a torque of 8 N m with a torque wrench. 7 Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to OPEN using a hexagonal wrench (4 mm). 8 Mount valve caps onto the 2-way valve and the 3-way valve. o Be sure to check for gas leakage. If gauge needle does not move from 0 cmhg (0 MPa) to -76 cmhg (-0. MPa), in the step above take the following measure: - If the leak stops when the piping connections are tightened further, continue working from step. - If the leak does not stop when the connections are retightened, repair location of leak. - Do not release refrigerant during piping work for installation and reinstallation. - Take care of the liquid refrigerant, it may cause frostbite. 3

32 .3.4 Connect the cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. 2 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4.5 mm 2 flexible cord, type designation 245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Terminals on the outdoor unit Colour of wires Terminals on the indoor unit Secure the cable onto the control board with the holder (clamper). 4 Attach the control board cover back to the original position with screw. 5 For wire stripping and connection requirement, refer to instruction.2.4. of indoor unit. Holder Terminal Board Indoor and outdoor cable connection Indoor Unit Earth Wire longer than others AC wires for safety reason Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason..3.5 Piping Insulation Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. 2 If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E FOAM with thickness 6 mm or above Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. 2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 Please make flare after inserting the flare nut onto the copper pipes. Pipe Reamer Bar Handle Yoke Core Bar mm Cracked Uneven damaged thickness. To cut Point down 2. To remove burrs Clamp handle Red arrow mark Copper pipe Outdoor Unit Drain Water Water will drip from the base pan hole area during defrost function. To avoid water dripping, do not stand or place objects at this area. Hole 32

33 2. Operation and Control 2. Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting. The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that judging the condition according to internal setting temperature and intake air temperature. 2.. Internal Setting Temperature Once the operation starts, remote control setting temperature will be taken as base value for temperature shifting processes. These shifting processes are depending on the air conditioner settings and the operation environment. The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit. Remote Control Setting Temperature 6 C ~ 30 C Auto Operation Mode Shifting Indoor Air Temperature Shifting Outdoor Air Temperature Shifting Powerful Mode Shifting Setting Temperature Limit Checking (Min: 6 C; Max: 33 C) Internal Setting Temperature 2..2 Cooling Operation Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -.5 C continue for 3 minutes. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point Soft Dry Operation Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -2.0 C continue for 3 minutes. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point Heating Operation Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature > +2.0 C continue for 3 minutes. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point. 33