Regulators. Heat pumps. Qualified technician NIBE TM AP-CS2.0. Operating Instructions UK

Transcription

1 Operating Instructions UK Heat pumps Regulators Qualified technician NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

2 Please read first This operating manual provides important information on the handling of the unit. It is an integral part of the product and must be stored so that it is accessible in the immediate vicinity of the unit. It must remain available throughout the entire service life of the unit. It must be handed over to subsequent owners or operators of the unit. Read the operating manual before working on or operating the unit. This applies in particular to the chapter on safety. Always follow all instructions completely and without restrictions. It is possible that this operating manual may contain instructions that seem incomprehensible or unclear. In case of questions or uncertainty, contact the factory customer service department or the manufacturer s local service partner. This operating manual is intended only for persons assigned to work on or operate the unit. Treat all constituent parts confidentially. The information contained herein is protected by copyright. No part of this information may be reproduced, transmitted, copied, stored in electronic data systems or translated into another language, either wholly or in part, without the express written permission of the manufacturer. Symbols The following symbols are used in the operating manual. They have the following meaning: Information for operators. Information or instructions for qualified technicians. Danger! Indicates a direct impending danger resulting in severe injuries or death. Warning! Indicates a possibly dangerous situation that could result in severe injuries or death. Caution! Indicates a possibly dangerous situation that could result in medium or light injuries. Attention Indicates a possibly dangerous situation, which could result in property damage. Emphasized information. Frequently used program area Users and qualified technicians can set data. Authorized fitter can set data; password required Authorised service personnel can set data; password required Factory pre-setting, no data change possible Reference to other sections in the operating instructions Reference to other documents of the manufacturer Frequently used program area 2 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

3 Contents Information for users, qualified technicians and authorised service personnel Please read first...2 Symbols...2 Functioning of the heating and heat pump regulator...5 Intended use...5 Exclusion of liability...5 Safety...6 Care of the unit...6 Maintenance of the unit...6 Customer service...7 Warranty / Guarantee...7 Disposal...7 Scope of Supply and Instructions for Assembly, Installation and Disassembly Scope of delivery...7 Installed control scope of supply...7 Wall control scope of supply...7 Installation...8 Installing the installation control...8 Assembly of the wall control...8 Electrical connections...9 Installation of the installed control...9 Installation of the wall control...10 Assembly and Installation of Sensors...11 External sensor...11 Hot water sensor...12 External return flow sensor...12 Dismantling...12 Removal of the buffer battery...12 Basic Information on the operation The control unit...13 Status display...13 Screen...13 Rotary pushbutton...13 Error messages...14 Language of the screen display...14 Menu display...14 Commissioning...14 Startup Assistant...14 Standard screen Heating...14 Standard screen Domestic hot water...15 The Navigation Screen...15 Basic display...15 Display of further program areas...16 Special programs display...16 Program area Heating Select program area...17 Setting the mode of operation Heating...17 TEMPERATURE SETTING...17 Setting the heating curve...18 Setting the heating curves of the heating circle...18 Setting the heating curves of mixing circle Setting a fixed temperature...23 Time program heating...23 Heating limit...23 Program area Domestic hot water Select program area...24 Setting the mode of operation Domestic hot water preparation...24 Set the domestic hot water temperature...25 Time programs domestic hot water preparation...25 Care Programs...26 Thermal disinfection Program area Cooling Select program area...27 Setting the mode of operation Cooling...27 Setting the cooling temperature...28 set parameters...28 We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 3

4 Information for authorised service personnel Program area Service Select program area...29 QUERY information...29 Query temperatures...29 Query inputs...30 Query outputs...30 Calling up timings...31 Query operating hours...31 Calling up error memories...32 Calling up disconnections...32 Calling up the machine status...33 BACnet...33 Making settings...33 Determine data access...34 Calling up short programs...34 Determining temperatures...35 Determining priorities...37 Determining system setting...38 Ventilating the system...42 Setting Startup Parameters...43 Selecting language of the screen display...44 Determining date and time...44 Screed heating program...45 Setting temperatures and time intervals...45 Starting screed heating program...46 Manually terminating screed heating program...47 System configuration...47 STartup assistant...48 Startup assistant parameters back...48 SOFTWARE UPDATE...49 Data logger...49 Adjusting the contrast of the control element display...49 Web server...50 DHCP-Client...50 Remote maintenance...52 Switch on the remote maintenance function...52 Adjust the remote maintenance function...53 Manual data transfer...54 Error causes with connection problems...54 Information on the remote maintenance function...54 Connection...55 IP-Adress...57 External return flow sensor...57 Select program area...57 Setting on the master heat pump...58 Status of the master heat pump...58 Menu Setting the heating...59 Appendix Error Diagnosis / Error messages...60 Acknowledging a fault...62 FLASHING CODES ON CONTROLLER BOARD...62 Technical Data...63 Installation...63 Outputs...63 Inputs...63 Connections...63 Interfaces...63 Temperature sensor characteristics...63 Sensor measuring range...63 Overview: Defrost cycle, Air defrost, Flow Max...64 System setting during commissioning...66 Important abbreviations...68 program 4 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

5 Functioning of the heating and Heat pump regulator The heating and heat pump regulator consists of an operating element and an electronic control. This assumes control of the entire heat pump system, the domestic hot water preparation and the heating system. It automatically recognises the connected heat pump type. The weather-controlled heating curve of the heating system with corresponding lowering and boosting times is set at the heating and heat pump regulator. The domestic hot water preparation can be carried out via the thermostat (to be set at the customer) or temperature sensor (domestic hot water tank accessories or scope of supply) in accordance with requirements. The domestic hot water preparation via a temperature sensor enables domestic hot water preparation with a high level of comfort. Low-voltage and 230V signals are effectively isolated by the heating and heat pump regulator. This ensures maximum interference immunity. Intended use The unit may be used only for the intended purpose. This means: for controlling the heat pump and associated system components. The unit may be operated only within its technical parameters. Attention The heating and heat pump regulator may only be operated in conjunction with heat pumps approved by the manufacturer and accessories approved by the manufacturer. Exclusion of liability The manufacturer will not be liable for damage resulting from unauthorized use of the unit. The manufacturer s liability will also be voided in the following cases: if work is performed on the unit and its components in a manner that does not comply with the terms of this operating manual; if work is performed on the unit and its components in an improper manner; if work is performed on the unit that is not described in this operating manual, and this work was not expressly approved in writing by the manufacturer; if the unit or components in the unit are modified, redesigned or removed without the express written permission of the manufacturer. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 5

6 Safety The unit is operationally safe when used for the intended purpose. The construction and design of the unit conform to the state of the art, all relevant DIN/VDE regulations and all relevant safety regulations. Every person who performs work on the unit must have read and understood the operating manual prior to starting any work. This also applies if the respective person has already worked with such a unit or a similar unit or has been trained by the manufacturer. Every person who performs work on the unit must comply with the applicable accident prevention and safety regulations. This applies in particular to the wearing of personal safety gear. Danger! Danger of fatal injury due to electric current! Electrical connections may be installed only by qualified electricians. Before opening the unit, disconnect the system from the power supply and secure it from being switched back on! Warning! Observe the relevant EN, VDE and/or applicable local safety regulations during the installation and during all electrical work. Observe the technical connection conditions of the responsible power supply company! Warning! Only qualified technicians (trained heating, cooling, refrigerant and electrical technicians) may perform work on the unit and its components. Attention Plug X5 and screw terminals X4 of the heating and heat pump regulator are under low voltage. Use only original sensors from the manufacturer (protection class II). Attention Circulating pumps may be controlled only by the heating and heat pump regulator. Never shut off circulating pumps externally. Attention Never shut off heating circle to the heat pump (frost protection). Attention Use only accessories provided by or approved by the manufacturer. Care of the unit The outer surfaces of the unit can be cleaned with a damp cloth and household cleaning products. Do not use cleaning or care products that contain abrasives, acids and/or chlorine. Such products would destroy the surfaces and could also damage the technical components of the unit. Attention Setting work on the heating and heat pump regulator is only permitted for authorised service personnel and specialist companies who or which have been authorised by the manufacturer. Maintenance of the unit The heating and heat pump regulator does not require regular maintenance. Warning! Observe safety labels in the unit. Attention For safety reasons: Do not disconnect the unit from the power supply, unless the unit is being opened. 6 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

7 Customer service For technical assistance, contact your qualified technican or the manufacturer s local service partner. Operating instructions for your heat pump, Appendix, customer service, addresses for service Scope of delivery Function-critical temperature sensors (return, inlet, hot gas) are installed in the heat pump and are not part of the scope of supply of the heating and heat pump regulator. Warranty / Guarantee For warranty and guarantee conditions, please refer to the purchase documents. Disposal Please contact your dealer concerning warranties and guarantees. When decommissioning the unit, always comply with applicable laws, directives and standards for the recovery, recycling and disposal of materials and components of cooling units. Page 12, Dismantling The heating and heat pump regulator is supplied in two variants. The variant supplied is dependent on the device type of the heat pump to the controlled. Installed control scope of supply In the case of devices for internal mounting, the control card of the heating and heat pump regulator is integrated in the relevant device as an installed control. The installed control scope of supply is included in the scope of supply of the device for internal mounting. Heating and heat pump regulator, consisting of control card (with terminals) and operating element (with status display, screen and rotary pushbutton ). External sensor for the surface mounting. operating manual. Brief description of the heat pump control. Please fasten brief description in the vicinity of the device. Wall control scope of supply In the case of devices for external mounting, the control card of the heating and heat pump control is not integrated in the relevant device. The wall control scope of supply is not included in the scope of supply of the device for external mounting. Heating and heat pump control for surface mounting, consisting of control card (with terminals), housing and operating element (with status display, screen and rotary pushbutton ). Wall mounting materials (drill template, screws, dowels for solid masonry). We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 7

8 External sensor for the surface mounting. Operating instructions. Brief description of the heat pump control. Notice: Please fasten the brief description in the vicinity of the heating and heat pump control. What to do first: Check the supplied product for signs of external damage during delivery Check that nothing is missing from the scope of supply. Immediately submit a complaint in the event of delivery defects. Position the drill template at the point where the heating and heat pump control is to be located Attention! Check the potential mounting location for concealed wiring. Position the drill template in such way that no concealed wiring can be drilled into or damaged during the subsequent assembly work. Notice: You need to ensure 2 cm free space to the right and left of the drill template, so that there is enough space for the side fastening screws of the housing cover. Fix drill template onto the wall with adhesive tape, drill holes (Ø 6 mm, depth 55 mm) Installation Installing the installation control In the case of devices for internal mounting, the control card of the heating and heat pump is integrated in the electrical switch cabinet of the device. Operating instructions of your heat pump, assembly of the operating element Assembly of the wall control For all work to be carried out: Notice: Observe the locally-applicable accident prevention regulations, statutory provisions, ordinances and directives. Warning! Only qualified technicians may mount the heating and heat pump control. Take drill template off the wall, insert dowels in the holes, screw in screws (spacing from the substrate to the screw head approximately 10mm) Notice: The wall mounting material included in the scope of supply requires solid masonry. Attention Ensure that the screws are firmly in the substrate. Loosen right and left fastening screw of the housing cover for the heating and heat pump control Proceed as follows: 8 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

9 Electrical connections Danger! Danger of fatal injury due to electric current! Electrical connections may be installed only by qualified electricians. Before opening the unit, disconnect the system from the power supply and secure it from being switched back on! Attention Only carry out electrical installation work in accordance with the terminal diagram applicable for your heat pump type. Remove housing cover and set aside in a safe place. Hang the heating and heat pump control into the screws on the wall. Tighten the screws. Installation of the installed control Follow the information in the operating instructions of your heat pump for establishing the electrical connections. Operating instructions of your device, Electrical Connections, Terminal Diagram and Circuit Diagrams for your device type Notice: Internal fuse 6.3AT. Installation of the wall control 1 Rear view 2 Front view If the electrical installation is not to be carried out immediately afterwards: Put the housing cover back on and tighten the side fastening screws. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 9

10 Proceed as follows: If not yet carried out: Remove housing cover of the heating and heat pump control Page 9, Instruction Then route the control line downwards through the cable ducts and outwards through the cable entry Insert plug of the sensor line into socket X5. Route the sensor line downwards through the cable ducts and outwards through the cable entry Connect the 230 V voltage supply line to the voltage supply terminal block Notice: Internal fuse 6.3AT. The terminal block has spring-type terminals to maximum 2.5 mm 2. Insulate the cable jacket so that the jacket end is located between the sealing lip and cable duct. 1 Terminal block for 230 V voltage supply 2 Connection for 230 V control line to the heat pump (socket X1) 3 Electricity supply utility bridge (must be removed when connecting a floating contact) 4 Cable ducts with covers 5 Cable entry with folding bracket 6 Fastening screw of the folding bracket 7 Connection for sensor line to the heat pump (socket X5) 8 Slot for optional extension card Comfort 9 Control card of the heating and heat pump control 10 Operating element Loosen fastening screw of the folding bracket for the cable entry and pull the folding bracket downwards until it is possible to fold away upwards. Fold folding bracket upwards and away to the side Basic wiring: 1 Connected 230 V voltage supply 2 Line wiring in the cable ducts 3 Connected sensor line to the heat pump 4 Connected 230 V control line to the heat pump If necessary, install additional external cables Remove covers from the cable ducts Insert plug of the 230 V control line leading to the heat pump into socket X1. 10 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

11 Instruction manual for your appliance, Connection layout and Circuit diagrams for your appliance type Place covers on the cable ducts. Swivel folding bracket of the cable entry back into the initial position and allow to latch into place below the fastening screw. Tighten fastening screw Put the housing cover back on and tighten the side fastening screws. Attention Route all lines that you connect to the heating and heat pump control outside the heating and heat pump in a cable duct (necessary for strain relief; to be realised at the customer). Assembly and Installation of Sensors External sensor The external sensor is a function-critical accessory and included in the scope of supply. If the external sensor is not installed or defective, the heating and heat pump regulator automatically sets the external temperature to -5 C. The status display of the operating element lights up red, the screen of the operating element reports a fault. Attention Mount the external sensor on the north or northeast side of buildings. The sensor must not be exposed to direct sunlight. Proceed as follows: Open the housing of the external sensor and align 2 m over the base of the fastening point. The cable gland must point to the base V control line (from socket X1 to the heat pump) 2 Sensor line (from socket X5 to the heat pump) 3 Further 230 V outputs (circulation pumps, mixers, ) 4 Sensor lines (external) 5 Further 230 V inputs (electricity supply utility lock, ) V supply voltage (to the terminal block) K Cable duct Installation instructions for this in the operating instructions of your heat pump. 1 External sensor housing 2 Fastening holes 3 Cable gland 4 External sensor Pencil on fastening holes and drill, insert dowels and screw housing of the external sensor onto the wall We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 11

12 Dowels and screws for fastening the external sensor are not included in the scope of supply. Loosen cable gland from the housing of the external sensor, lead the 2-wire cable (Ø 1.5 mm² per wire, cable length 50 m) through the cable gland into the housing External return flow sensor The return flow sensor (optional accessory) is functionally-relevant for hydraulic integration of an isolating tank (multifunction tank ). This has to be installed as follows: Clamp on cable, tighten cable gland and close the housing of the external sensor. Hot water sensor The domestic hot water sensor is an optional accessory and only functionally-relevant for a separate domestic hot water tank. You may only use domestic hot water sensors which have been approved by the manufacturer of the heat pump. Attention The domestic hot water tank must be filled before connecting the domestic hot water sensor to the heating and heat pump regulator. If not already prepared at the factory, mount the domestic hot water sensor (Ø = 6 mm) on the halfway level of the domestic hot water tank and always above the internal heat exchanger of the domestic hot water tank. 1 Connect GND terminal connection 2 Connect TRL terminal connection Connect the return flow sensor coming from the isolating tank to the circuit board of the heating and heat pump regulator. Dismantling Danger! Danger of fatal injury due to electric current! Electrical connections may be installed only by qualified electricians. Before opening the unit, disconnect the system from the power supply and secure it from being switched back on! Removal of the buffer battery 1 Hot-water tank 2 Domestic hot water sensor (Ø = 6 mm) 3 Heat exchanger 4 Cold water connection 5 Domestic hot water connection Attention Before scrapping the heating and heat pump regulator, remove the buffer battery on the main board. You can use a screwdriver to remove the battery from its bracket. Dispose of battery and electronic components in keeping with environmental considerations. 12 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

13 The control unit Dark background (inverted) = symbol or menu field is activated. Activating and selecting the navigation arrow will take you from one menu level to the next higher or lower one. Some menus require the settings you have made to be saved. You can do so through activation and selection of. You can also cancel the settings you have made through activation and selection of. 1 USB interface (plug is located behind the flap) 2 Screen 3 Status display 4 Rotary pushbutton If a menu has more entries than the screen can display, a scroll bar will appear on the left of the screen. This shows the location you are at in the menu. If no symbol or menu field is selected, you can scroll down the screen display by turning the rotary pushbutton to the right. This displays further menu entries. You can scroll back up the screen display again by turning the rotary pushbutton to the left. Status display Screen Ring around the rotary pushbutton lights up green = System operating properly Ring around the rotary pushbutton lights up green/red = self-resetting operational interruption Ring around the rotary pushbutton lights up red = malfunction Operating information, functions and setting options for the heating and heat pump regulator and the heat pump system as well as error messages are displayed in the screen of the operating element. The screen is normally not illuminated. If the rotary pushbutton is used, the screen illumination will switch on. It switches off automatically if the rotary pushbutton is not pressed after longer than 10 minutes. Rotary pushbutton Turn = Activate symbol for a required program level or menu field or scroll sown (or up) the screen display. Press (short) = Select activated symbol (= change to the corresponding program level) or enable activated menu field for entering data and values. Turn = Set data and values in the enabled menu field. Press (short) = Finish entering data and values in a menu field. If you keep the rotary pushbutton pressed for more than 3 seconds, the display will automatically switch back to the navigation screen. After a further 7 seconds without action, the program will automatically return to the standard screen. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 13

14 Error messages If a fault occurs in the system, a corresponding error message will appear in the screen. Attention Before acknowledging a fault, make sure to read the sections Error Diagnosis / Error Messages and Acknowledging a Fault. Page 60, Error Diagnosis / Error Messages, and page 62, Acknowledging a Fault Language of the screen display Press (7 seconds long) = Acknowledge error message and restart the heat pump system (= manual reset). You can specify the language to be used for displaying the menus and texts in the screen. When the heat pump is switched on for the first time the above display appears. No ZWE (second heat generator) is released by the controller until the display is confirmed with OK Notice No heat generator runs during a cold start of air/ water heat pumps. The display always appears when the controller is switched on or on changing to the standards menu. This screen is no longer displayed if the heat pump or ZWE1 has more than 10 operating hours. Attention The unit can be damaged if the display is confirmed with OK, although the system is not properly filled. Page 44, Selecting language of the Screen Display Menu display The menu structure is such that menu items that are irrelevant to the system or machine type will be hidden. This means that the display on the regulator may vary from the screens shown in this operating manual. Standard screen Heating The standard screen (= standard menu) serves for rapid information on the selected heating mode of operation. You can also set the basic settings for the heating functions here in a quick and convenient way. Commissioning 7 8 N Startup Assistant The control unit is equipped with a commissioning assistant. This assistant will guide you through the most important settings of the regulator during initial commissioning. The GO symbol in the main menu flashes. Click on the symbol to launch the commissioning assistant. The symbol will disappear as soon as initial commissioning is complete. For more information on the commissioning assistant, please refer to the corresponding sections in this operating manual. 1 Symbol for program area Heating The symbol used for the heating indicates that the adjoining displays and setting options are only relevant to the heating. However, you can press the symbol to switch between the different supply types of the heat pump. This allows you to, for instance, display the symbols used for heating hot water, cooling or swimming pool. The options vary with the heating system you own and the consumers you have connected to it. 2 Current heating mode of operation Auto(matic), Holidays, 2 hg, Off or Party. 14 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

15 3 Digital temperature display Shows the extent to which the hot water return flow temperature is to deviate from that of the set heating curve. Maximum value of the potential deviation: ± 5 C 4 Temperature scale Shows in graphical form the extent to which the hot water return flow temperature is to deviate from that of the set heating curve. Maximum value of the potential deviation: ± 5 C 5 Compressor The compressor symbol will turn for as long as the compressor is running. 6 Current operating condition Heating Hot water Screed heating Defrosting Electr. suppl. Pump flow (only SW and WW) Error Cooling 7 Current amb. temp. 8 Date and time N Navigation arrow here: Change to the navigation screen The Navigation Screen The navigation screen provides an overview of the various program areas of the heating and heat pump regulator. Basic display 1 Current operating state of the heat pump with time indication 2 Reason for the current operating state or fault message 3 Symbols for the program areas of the heating and heat pump regulator Standard symbols which are always displayed are: Symbol for program area Information and Quick Setting Operating information and system operation by the user Enabled for all users Standard screen Domestic hot water Symbol for program area Heating Program area for setting all parameters for the heating and mixing circle Only for qualified technicians Symbol for program area Domestic Hot Water Program area for setting all parameters for domestic hot water preparation Only for qualified technicians Symbol for program area Service Program area for setting the basic system parameters Only for authorised service personnel In parts, password protected area 9 Symbol for program area Domestic Hot Water Indicates that domestic hot water functions are being controlled in the standard screen. 10 Current domestic hot water mode of operation Auto(matic), Holidays, 2 hg, Off or Party. Symbol for program area Parallel Connection Master. Connection of up to 4 heat pumps with one another. Only for qualified technicians. Symbol for program area Parallel Connection Slave. Only for qualified technicians. 4 Information on the activated symbol. 11 Set temperature for heating hot water We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 15

16 Display of further program areas Depending on the type of heat pump connected, the navigation screen can display the following program area symbols: Special programs display If special programs are active, their symbols will be displayed in the navigation screen. Ventilation program Symbol for program area Cooling Customer service or fitter access Screed heating program for the conditions underlying display of the symbol: page 27, Program area Cooling Depending on your system and the configuration of the heating and heat pump regulator, further program area symbols can be shown in the screen. The displays described on the following pages allow / require you to make a selection. In general: you can only select one option in circular fields you can click boxes multiple times Short program Forced heating Forced domestic hot water Forced defrosting USB stick is plugged in Cold start (interrupt) Air-water heat pumps are equipped with a cold start function. The function is activiated if, when outside temperature reach < 10 C, the return temperature falls below 15 C. At that point, the AHG will be activated until the return temperature exceeds 15 C. Only then will the heat pump be enabled again. Cold start is terminated at a return temperature of 23 C. It is possible to interrupt the cold start by pressing the symbol. The cold start will then remain deactivated until the next time the regulator is started. If you select and activate the symbol of a special program, you will be taken directly to the relevant special program. 16 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

17 Program area Heating Select program area In the navigation screen, select the symbol Setting the mode of operation Heating In the menu Heating Settings, select and activate the menu field Mode of operation The screen changes to the menu Heating Mode of Operation. The current mode of operation is highlighted with : The screen changes to the menu Heating Settings Follow the instructions provided in section Setting the heating mode of operation (under program area Information and Quick Setting ) in the operating manual intended for end customers. TEMPERATURE SETTING Proceed as follows: In the menu Heating Settings, select and activate the menu field Temperature + 1 Symbol for program area Heating with menu title 2 Menu field Operating mode takes you to the menu Heating Mode of operation 3 Menu field Temperature + takes you to the menu Temperature + 4 Menu field Heating curves takes you to the menu Heating curves 5 Menu field Timer program takes you to the menu Heating Time programs 6 Menu field Heating limit takes you to the menu Heating limit The screen changes to the menu Heating temperature + 1 Menu field Temperature deviation Entries are displayed in 0.5 C increments. Reference variable: Set heating curve We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 17

18 This menu allows you to carry out the fine setting of the heating curves. If temperature changes are saved, this is accepted auto-adaptively into the heating curves. This means: On the basis of the changes in the menu Temperature + -, the program of the heating and heat pump regulator calculates the base and end point of the heating curves in relation to the external temperature and offsets it. Increase temperature: Activate and select menu field Warmer. The hot water return flow temperature is increased by 0.5 C with every turn Lower temperature: Activate and select menu field Colder. The hot water return flow temperature is lowered by 0.5 C with every turn The hot water temperatures of heating systems calculated in relation to the external temperature are designated as heating curve. Within specified limit values, the hot water temperatures rise (fall) if the external temperature falls (rises). The settings for the heating circle control how the heat pump is switched on and off depending on the temperature. Proceed as follows: In the menu Heating Settings, select and activate the menu field Heating curves First only change the temperature by 0.5 C. Wait 2 to 3 days before changing again and check how the room temperature has developed. Save or cancel the setting When saved, the heating curves are automatically changed by the temperature values entered. The values in the menu fields Temperature scale and Temperature deviation are set to zero after saving in the menu Temperature + -. Once you have saved your settings, the program provides a corresponding feed back in the screen and then automatically returns to the menu Temperature + Return to the menu Heating Settings. Setting the heating curve 18 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

19 Setting the heating curves of the heating circle Depending on the system setting (mixing circle = Discharge ), the screen switches either to the menu Heating curves. or directly to the menu Heating curves heating circle: 4 Table line Parallel offset symbol for Parallel offset 20 C Table field Parallel offset. Example value here: 20 C (neutral) 20 C Table field Reference value for external temperature 20 The example shown indicates that the base of the heating curve is to be 20 C at an external temperature of 20 C. An increase in the temperature value in the table field Parallel offset to, for example, 22 C causes a parallel offset of the heating curve by 2 C upwards, while a reduction to, for example, 18 C causes a parallel offset of the heating curve by 2 C downwards. 5 Table line Night reduction symbol for night mode: Heating is lowered -5 c Table field Difference temperature The example shown indicates that the heating in night mode is lowered by 5 C in comparison to day mode. Determine the heating curve end point Select table Heating curve end point If the menu Heating curves appears, select the menu field Heating circle. The heating curves for the heating circle can be programmed if no fixed temperature is set. Page 23, Setting a Fixed Temperature 1 Symbol for program area Heating and menu title 2 Column title of the table Return flow temperature of heating circle Reference value for external temperature 3 Table line Heating curve end point symbol for Heating curve end point 45 C Table field Heating curve end point Example value here: 45 C -20 C Table field Reference value for external temperature (= program setting that cannot be changed) The example shows means that the hot water return flow temperature is to be 45 C at an external temperature of -20 C. The heating curve end point always refers to an external temperature of 20 C. If the heat pump is used in a climatic zone in which the external temperature value of 20 C is not reached, you need to equalise the heating curve end point with the regional standard design temperature. Page 21, Equalisation of the heating curve end point with the regional standard design temperature Set the return flow temperature value in the table field Heating curve end point The temperature values refer to the return flow. You need to subtract the spread for flow temperatures. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 19

20 Example diagram: Example diagram: X External temperature Y Return temperature 1 Heating curve end point 2 Heating curve base F Antifreeze Heating curve with heating curve end point of 45 C return temperature (for example when using radiators) Heating curve with heating curve end point of 30 C return temperature (for example when using floor heating) respectively at -20 C external temperature as well as heating curve base of 20 C return temperature at +20 C external temperature. Finish entry in the table field Heating curve end point Set further parameters ( ) or scroll down to the bottom of the screen and continue with Determine the Parallel offset Activate and select the table field Parallel offset X External temperature Y Return temperature F Antifreeze Heating curve with heating curve end point at 30 C return temperature and heating curve base at 20 C return temperature Heating curve after parallel offset moved by 10 C upwards. Finish entry in the table field Parallel offset Set further parameters of the table ( ) or scroll down to the bottom of the screen and continue with Determine Difference temperature by which the heating curve is to be lowered in night mode Activate and select the table field Difference temperature Set return temperature value. A turn to the right results in a parallel offset of the heating curve by 0.5 C upwards. A turn to the left results in a parallel offset of the heating curve by 0,5 C downwards. Set return temperature value The parallel offset has an effect on the day and night mode. 20 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

21 Example diagram: Select the menu field Dimensioning. The temperature display assumes a dark background B A Set regional standard dimensioning temperature, for example 12 C Save settings 15 C X External temperature Y Return temperature F Antifreeze Heating curve in daytime mode Heating curve offset parallel by -5 C in night mode Viewed over the entire range, the heating curve in night mode is 5 C below the heating curve in day mode. The program of the heating and heat pump regulator now calculates the actual return temperature at -12 C for the heating curve end point and displays this in the menu field Calculated. In the example C: If your system works in the mode of operation Auto(matic), it will automatically switch over between daytime (raise) and night-time mode (lower). Finish entry in the table field Difference temperature Required only if the heating curve is to be compensated to regional standard design temperature. Equalisation of the heating curve end point with the regional standard dimensioning temperature Activate menu field Dimensioning If the calculated return temperature corresponds to the return temperature you require, you can quit the menu. If, however, the system operates to another return temperature, select and activate the table field Heating curve end point in the table line Heating curve end point, and change the return temperature value upwards or downwards (depending on whether a higher or lower value is required) Finish entry in the table field Heating curve end point 1 Menu line Regional standard design temperature Scroll all the way down the menu Heating curves Heating and save the settings 2 Menu line Return temperature heating curve end point for regional standard dimensioning temperature We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 21

22 Now check the temperature value displayed after the menu field Calculated If the calculated value now corresponds to the return temperature you require, you can quit the menu. Otherwise scroll all the way up the menu Heating curve Heating and repeat steps until the calculated value comes closest to the required return temperature. An exact correspondence of the calculated value with the required return temperature is hardly possible, as you can only set the return temperature value in 0.5 C- increments in the Heating curve end point menu field. Accept a return temperature which is as close as possible to what you are aiming for. Setting the heating curves of mixing circle 1 Menu access to the heating curves of mixing circle 1 is only possible if a mixer is installed in the system and mixing circle 1 is defined as a discharge mixing circle in the system setting. Proceed as follows: In the menu Heating curves select and activate the menu field Mixing circle 1 Adjusting the heating curve to reasonable settings is crucial for the heat pump to operate in the most energy efficient way. Setting the heating curve too high will increase the total energy consumption of the system! The screen changes to the menu Heating curves Mixing circle 1. The heating curves can be programmed if no fixed temperature is defined Page 23, Setting a Fixed Temperature The settings for the heating circle control how the heat pump is switched on and off depending on the temperature. Set heating curves of mixing circle 1 Follow the instructions under Setting the heating curves of the heating circle Page 19 Ensure that you always define flow temperatures when setting the heating curves of mixing circle NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

23 Setting a fixed temperature You can only determine a fixed temperature if this option has been selected by the system setting. Page 66, System setting for the commissioning The fixed temperature is heated to independently of the external temperature. If a night reduction is required in the Fixed temperature mode, the difference temperature must be set in the heating curves Heating or Mixing circle 1, before the option Fixed temperature is selected. If no night reduction is required, the difference temperature must be set to 0 C in the heating curves Heating or Mixing circle 1 ( = factory setting). Select menu field Return or Inlet. The menu field Temperature input field assumes a dark background Set required fixed temperature Save or cancel the settings and quit the menu Fixed value heating circle or Fixed value mixing circle. If the option Fixed temperature is selected by the system setting, the heating curve will typically appear as follows: Proceed as follows: In the menu Heating Settings, select and activate the menu field Heating curves X External temperature Y Return temperature F Antifreeze Fixed temperature (here: + 35 C) If the option Fixed temperature is switched on by the system setting, the screen changes to the menu Heating curves (which can take you to the menus Fixed value heating circle or Fixed value mixing circle ) or directly to the menu Fixed value heating circle : Time program heating Follow the instructions provided in section Setting the time programs of the heating circle (under program area Information and Quick Settings ) in the operating manual intended for end customers. Heating limit Heating mode is switched off if the daily mean temperature of the last 24h is higher than the daily meant temperature set as the heating limit. Requirement: the heating limit is set to yes under the system settings. Page 41 System setting: heating limit We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 23

24 Program area Domestic hot water Select program area Proceed as follows: Setting the mode of operation Domestic hot water preparation Proceed as follows: In the menu Domestic hot water settings, select and activate the menu field Mode of operation In the navigation screen, select the symbol The screen changes to the menu Mode of operation The current mode of operation is highlighted with : The screen changes to the menu Domestic hot water settings 1 Symbol for program area Domestic hot water with menu title 2 Menu field Operating mode takes you to the menu Domestic hot water mode of operation 3 Menu field Temperatures + takes you to the menu Domestic hot water temperature desired value (If the domestic hot water is controlled via a thermostat, this menu field can be omitted.) 4 Menu field Time programs takes you to the menu Domestic hot water time programs 5 Menu field High-speed charge takes you to the menu Domestic hot water highspeed charge 6 Menu field Care programs takes you to the menu Care progams Follow the instructions provided in section Setting the domestic hot water mode of operation (under program area Information and Quick Setting ) in the operating manual intended for end customers. Return to the menu Domestic hot water settings. 24 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

25 Set the domestic hot water temperature If the domestic hot water preparation is controlled via a thermostat, no temperature fine setting is possible. The menu field Temperature + - does not then appear in the screen Domestic hot water settings. Proceed as follows: In the menu Settings, select and activate the menu field Temperature + If a domestic hot water temperature is set which cannot be attained, the heat pump will initially switch to Error high pressure. This is followed by a self-resetting fault (If heating is required, this will also be operated). After 2 hours have passed, the domestic hot water preparation starts again. Nevertheless, the program of the heating and heat pump regulator automatically lowers the setpoint value for this by an initial 1 C. If this setpoint temperature cannot be attained either, the process is repeated until the temperature can be attained. Time programs domestic hot water preparation Proceed as follows: In the menu Domestic hot water settings, select and activate the menu field Time programs The screen changes to the menu Temperature Menu line Desired value Select menu field Desired value. The menu field Temperature input field assumes a dark background Set required temperature In conjunction with domestic hot water tanks recommended by the manufacturer, your heat pump can generate domestic hot water temperatures which are around 7 K lower than the maximum flow temperature of your heat pump.. Follow the instructions provided in section Setting the domestic hot water off-times (under program area Information and Quick Setting ) in the operating manual intended for end customers. When programming, ensure that the time periods which you specify in the area Time progs are off times. The domestic hot water preparation is switched off in the time periods entered. For setting the circulation time programs, refer to the operating manual intended for end customers. Finish entry Save settings or cancel. Return to the menu Domestic hot water settings. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 25

26 Care Programs Proceed as follows: In the menu Domestic hot water settings, select and activate the menu field Care programs Activate and select day(s) on which a thermal disinfection is to occur Continuous op. means that a thermal disinfection will occur after each domestic hot water preparation. However, the domestic hot water charging always starts at the set hysteresis of the domestic hot water setpoint value. The screen changes to the menu Domestic hot water care progams Thermal disinfection Proceed as follows: In the menu Domestic hot water care programs select the menu field Therm. Disinfect. Display Therm. Disinfection will only appear if an additional heat generator for domestic hot water preparation has been enabled in the system settings. The screen changes to the menu Therm. Disinfect. 26 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

27 Program area Cooling Attention Only select the program area Cooling if a cooling circle mixer is connected in conjunction with a brine/water heat pump. Setting the mode of operation Cooling Proceed as follows: In the menu Cooling Settings, select the menu field Mode of operation Attention If a cooling circle mixer is connected, it is imperative to select the program area Cooling, as otherwise malfunctions will occur in the mixer connected. Select program area The screen changes to the menu Mode of operation. Select desired operating mode The program area Cooling must be set by authorised service personnel during commissioning. necessary setting: Menu field Mixing circ 1 = Cool Page 66, System setting for the commissioning If the passive cooling function is set, the symbol for the program area Cooling will appear in the navigation screen: 1 Symbol for program area Cooling with menu title 2 Automatic Switches the passive cooling function on independently of the external temperature release. 3 Off Switches the passive cooling function off. Proceed as follows: In the navigation screen, select the symbol If the passive cooling function has been switched on, the program of the heating and the heat pump regulator will automatically set the heating to the mode of operation Off. The reverse applies: If the heating has been switched on, the program of the heating and heat pump regulator will automatically set the passive cooling function to the mode of operation Off. The screen changes to the menu Cooling Settings. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 27

28 Setting the cooling temperature Proceed as follows: In the menu Cooling Settings, select and activate the menu field Temperature + set parameters Proceed as follows: In the menu Cooling settings, activate and select the menu field Parameters The screen changes to the menu Temperature + -. The screen switches to the Parameters - Outside Temperature - exceeded and/or undershot. 1 Menu line Outdoor Temperature release 2 Menu item Set temperature mixing circle MK1 3 Menu line: Return Set value Cooling For reversible LWDs can be set between 13 C and 25 C Select the menu field Set temperature MC1. The temperature input field automatically assumes a dark background Set required temperature Finish entry Activate and select menu field Outd. TP release. The temperature input field automatically assumes a dark background Set required external temperature Terminate input. Save or cancel the settings Return to the menu Cooling Settings.. 1 Set time for AT exceeded 2 Set time for AT undershot Select menu field AT exceeded or AT undershot. The time input field automatically assumes a dark background Set required time (in hours)... Cooling will not set in unless the temperature has risen above TOut rel. for more than 12 hours or once by 5 K. Cooling is switched off when the temperature has fallen below TOut rel. for more than 12 hours. The cooling function will only be enabled if the brine inlet temperature is > 3 C. The set setpoint temperature defines the flow temperature of the heat pump during cooling. 28 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

29 Program area Service Select program area Proceed as follows: Query temperatures Proceed as follows: In the Service Information menu select the menu field Temperatures In the navigation screen, select the Symbol The screen changes to the menu Service information Temperatures The screen changes to the menu Service QUERY information Proceed as follows: In the menu Service, select the menu field Information The screen changes to the menu Service Information Inlet Flow temperature heating circle Return Return flow temp. of heating circle Ret. targ. Return setpoint heating circle Return external Return temp. in separate tank. Hot gas Hot gas temperature amb. temp. External temperature Mean temperature Average temperature Outside (function heating limit) Act. service water Domestic hot water actual temperature Targ. service water Domestic hot water target temperature Heats in Heat source inlet temperature Heats out Heat source outlet temperature MC1 fore. Mixing circle 1 Forward flow temperature MC1 desir. Mixing circle 1 Forward flow set temperature Room stat. Room station (= Room remote adjuster) (only if system setting: Room stat. = RFV) Return to menu Service Information Some sensors will not be detected until the controller has been restarted after the installation of the corresponding sensor. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 29

30 Query inputs Proceed as follows: In the Service Information menu select the menu field Inputs Return to menu Service Information. Query outputs Proceed as follows: In the Service Information menu select the menu field Outputs The screen changes to the menu Service Information inputs The screen changes to the menu Service information Outputs This menu shows whether the digital inputs of the controller are switched on or off. Defr/Brin/Flow defrost, Brine pressure, flow Depending on the device type, the input can fulfil various functions: For L/W-devices Defrost end pressostat: on = Defrost is terminated. For S/W and W/W devices with flow switch connected at the factory: on = Flow okay. For S/W devices without flow switch connected at the factory, a brine pressostat can be connected: on = brine pressure sufficient. SW-therm. switch domestic hot water thermostat on = Domestic hot water requirement Electr. suppl. off-time of the electrical supply Off = Off-time High pressure high-pressure pressostat off = Pressure okay Motor protect. motor protection On = Motor protection okay. Low pressure Low pressure pressostat On = Pressure okay. PEx connection of an external current anode (possible for some devices) CV-Defrost. valve Valve / Circuit reversal DHW pump Domestic hot water circulation pump Floor heat. pump 1 Floor heating circulation pump Heat. sys. pump Heating circulation pump Mixer 1 Open Mixer 1 opens On = opens / Off = no control Mixer 1 Close Mixer 1 Close On = closes / Off = no control Ventilation Ventilation of the heat pump housing for certain L/W devices. For L/W size types (coding L2G ), second stage of the ventilator Fan-heats. pump Ventilator, well or brine circulation pump Compressor 1 Compressor 1 in heat pump Compressor 2 Compressor 2 in heat pump CP circulation pump Suppl. pump Additional circulating pump 2nd heat gen. 1 second heat generator 1 2nd heat gen. 2 second heat generator 2 Collective fault (function collective fault: Continuous ON in the event 30 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

31 of a fault, cycles 1x per hour with automatic RESET enabled) Return to menu Service Information. Calling up timings Proceed as follows: In the menu Service Information, select and activate the menu field Timings Return to menu Service Information. Query operating hours Proceed as follows: In the Service Information menu select the menu field Operation hours The screen changes to the menu Service Information operation hours The screen changes to the menu Service Information Timings HP since heat pump running since (Time indication respectively in hh:mm:ss) 2 hg 1 since Second heat generator 1 running since 2 hg since second heat generator 2 running since Switch on Net input delay Swi c time Off-time switching cycle Read-CPd Compressor Read-CPd HC Add-time Heating control more time HC Less-time Heating time less time ThDsin.sin Thermal disinfection running since Stop SW Off-time domestic hot water Defrosting Time until the next defrosting (LW) Op. h. comp1 operation hours compressor 1 Impulses comp. 1 Impulses compressor 1 Duration comp. 1 average duration compressor 1 Op. h. comp2 operation hours compressor 2 Impulses comp. 2 Impulses compressor 2 Duration comp. 2 average duration compressor 2 Operation hours 2hg1 Operation hours second heat generator 1 Operation hours 2hg2 Operation hours second heat generator 2 Operation hours hp Operation hours Heat pump Operation hours heat Operation hours Heating Operation hours hw Operation hours Domestic hot water Operation hours cool Operation hours Cooling The compressors are only energised alternately following the impulses. A variation in the operation hours of the compressors is, therefore, possible. Return to menu Service Information. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 31

32 Calling up error memories In the Service Information menu select the menu field Error memory Calling up disconnections In the Service Information menu select the menu field Disconnections The screen changes to the menu Service Information error memory The screen changes to the menu Service Information disconnections 1 Error code Meaning of the error codes from page 60 2 Date of the resulting error 3 Time of the resulting error Maximum the last five resulting errors are displayed. Return to menu Service Information. 1 Date of the disconnection 2 Time of the disconnection 3 Disconnection code Error hp err.inst. m.o. 2hg El. Sup. bl Defr. air. TPLmax TPLmin Low lim no requ. = heat pump fault = system fault = mode of operation second heat generator = el. sup. blockade = air defrost (only L/W devices) = temperature limits ofapplica tion maximum = temperature limits of applica tion minimum (in reversible LWD possible shutdown due to frost protection in cooling mode - evaporation too long below 0 C) = lower limit of application = no request Maximum the last five disconnections are displayed. Return to menu Service Information. 32 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

33 Calling up the machine status In the Service Information menu select the menu field Maschine status BACnet In the Service information menu, activate and select the BACnet menu field The screen changes to the menu Service Information maschine status The screen switches to the BACnet menu 1 Symbol for program area Service Information with menu title 2 Type of heat pump For meaning of the code, see page 64 3 Software version of the heating and heat pump regulator 4 Bivalent level 1 = a compressor may operate 2 = two compressors may operate 3 = additional heat generator may operate as well 5 Operation mode Current operating state of the heat pump Heating Domestic hot water Defrost 1 Unique identification number of the unit in the BAC net network 2 Name of the unit in the BAC net network 3 Model designation of the unit 4 Location of the unit 5 BAC net communication port of the unit Return to Service Information menu. Making settings In the Service menu select the menu field Settings. Return to menu Service Information. The screen changes to the menu Service Settings We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 33

34 Determine data access In the menu Service Settings, select and activate the menu field Access the navigation arrow. The program provides information in the menu line Access on the selected status of the data access Return to the menu Service settings by selecting the navigation arrow. Calling up short programs The short programs serve to make service work easier. The screen changes to the menu Service Settings Password In the menu Service Settings, select and activate the menu field Short programs 1 Symbol for program area Service settings with menu title 2 Entry fields for four-digit number code 3 Information on the current status of the data access The screen changes to the menu Service Settings Short programs Activate and select the first entry field of the number code Set numerals of the number code. Finish entry Attention After the service work, always reset the data access to customer. Incorrect settings not oriented towards the system components can result in faults up to serious damage to the system. Access to fundamental settings of the system must therefore be locked for unauthorised persons. The manufacturer is not liable for damage resulting from wrong program settings not oriented towards the system components. Repeat procedure for the second to fourth entry field Cancel or save the entries. The entry fields are automatically set to The cursor goes automatically to 1 Symbol for program area Service Settings with menu title 2 Short program Shortens the switching cycle stop and releases the heat pump. 3 Forced heating Program settings are ignored. Heating requirement up to high pressure. After a high pressure fault, the menu field Forced heating is automatically deselected and reset. 4 Forced serv. water (= domestic hot water) Function analogous to Forced heating. 5 Defrosting The defrost function of the heat pump can be tested with this (only L/W devices). Activate and select the required short program Cancel or save the entries. Return to menu Service Settings. 34 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

35 Determining temperatures Proceed as follows: In the menu Service Settings, select and activate the menu field Temperatures Der Bildschirm wechselt in das Menü Service Einstellungen Temperaturen The screen changes to the menu Service Settings Temperatures : Limit Return Return limit Setting the maximum return setpoint temperatures in heating mode. X External temperature Y Return temperature A Heating curve end point B Return limit (in the example shown: 42 C) Hysteres HC Hysteresis of heating control setting for the control hysteresis of the heating regulator Set a greater hysteresis for very reactive heating systems, and a lower hysteresis for less reactive heating systems. A B C D E Example: Hysteresis heating circle return = 2K E c c d A b 2 k 2 k There will be no request for heating in this temperature range There will be a request for heating in this temperature range Hysteresis Neutral zone Return setpoint temperature RTincr.e max Return increase maximum Setting for the maximum permissible overshoots of the return temperature. If the return temperature is overshot in the heating, internal minimum running times are ignored and all heat generators switched off. Always set value higher than the value of the hysteresis HC. Release 2 CP Release 2nd compressor A value is only displayed for devices with two compressors. Setting of the minimum external temperature from which the second compressor can be released in heating mode. Above the set external temperature, the second compressor remains locked in heating mode. Release 2hg release second heat generator Setting for the external temperature from which the second heat generator can be released if required. Above the set external temperature, the second heat generators remain locked. Exception: In the event of a fault and the setting fault with a 2 hg, the second heat generators are released independently of the set external temperature. Tp-defr. Air. temperature air defrost A value is only displayed for L/W devices and if the air defrost is switched on. Setting for the release temperature for the air defrost. Below the set temperature, the air defrosting is locked. Attention Set air defrost only if device type is approved for air defrost. TVth. disinf2 TDI setpoint temperature Setting for the setpoint temperature for the thermal disinfection in the domestic hot water preparation. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 35

36 Hysteres.SW A B Hysteresis of domestic hot water Setting for the control hysteresis for the domestic hot water preparation (negative hysteresis). C D c d A There will be no request for domestic hot water preparation in this temperature range There will be a request for domestic hot water preparation in this temperature range Domestic hot water target negative hysteresis Flow 2. CP SW Flow 2nd compressor Domestic hot water Is only displayed for devices with 2 compressors. Setting for the flow temperature from which domestic hot water is prepared with a compressor. Optimisation of the charging time and the attainable domestic hot water temperatures. T-outd. max Maximum external temperature A value is only displayed for L/W devices Setting for the maximum external temperature from which the heat pump is locked. Second heat generators are released as required. T-outd. min. Minimum external temperature A value is only displayed for L/W devices. Setting for the minimum external temperature under which the heat pump is locked. Second heat generators are released as required. T-HS min Minimum heat source temperature A value is only displayed for S/W- or W/W devices. Setting for the minimum permissible temperature at the heat source outflow of the heat pump. for S/W devices: With AS access, a value above -9 C can be set (necessary for integration with intermediate exchangers) for S/W devices: for W/W devices The setting is only available with manufacturer access. T-HG max Maximum hot gas temperature Setting for the maximum permissible temperature in the cooling circle of the heat pump. T-def.airend temperature air defrost end A value is only displayed for L/W devices and if the air defrost is switched on. Setting for the temperature at which the air defrosting is terminated at the outlet of the evaporator. b see page 64, overview: Defrost cycle, air defrost, VL max Lowering to Maximum lowering Setting for the external temperature up to which a night lowering is carried out. If the actual external temperature falls below the set value, the lowering temperature is ignored. Flow max. Maximum flow temperature 1) If this temperature is exceeded in the flow, a compressor of the heat pump is switched off. This applies to all supply types! see page 64, overview: Defrost cycle, air defrost, VL max Flow max. MC1 Maximum flow temperature following the charger mixer Is only displayed if mixing circle 1 is set to charger mixer. The forward flow sensor at TB1 will then be used to limit the flow temperature following the mixer. This means: if the TB1 exceeds the value set here, the charger mixer will be moved in >Closed< direction. min. AT flow max. 2) Is only for devices with LW encoding C displayed. The outside temperature, up to which the flow max. temperature with the heat pump may be increased, is adjusted here. Below this outside temperature, the actual VL maximum temperature of the heat pump will fall linearally to the value Forward flow EG. Flow limit of applic. 3) Is only for devices with LW encoding C displayed. Here, the maximum forward flow temperature of the heat pump is set at an outside temperature of -20 C. For further details, see point min. AT VL max. and the following diagrams: VL VL-max. VL EG -20 C min. AT VL max. VL = Forward flow EG = Limitation of use AT 36 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

37 AT = outside temperature Hysteresis 2.CP short Hysteresis heating regulator Shorten HR hysteresis. HR. Hysteresis heating regulator from which the cut-in time of the 2nd. compressor stage is shortened (See System setting ). Cutting-in compressor 2: c A B C C D E d E A b No cut-in Shortened cut-in Shortened cut-in Return flow set value Heat regulator hysteresis Hysteresis HR shortened Determining priorities Proceed as follows: In the menu Service Settings, select and activate the menu field Priorities The screen switches to the Service Settings Priorities menu Activate and select the required parameters. The relevant temperature entry field assumes a dark background Set required temperature Value ranges: page 66, System setting for the commissioning Finish entry Procedure if required, repeat for further parameter(s) Scroll all the way down the screen. Save settings or cancel. Return to menu Service Settings. Hot water as in the example has top priority in the factory setting. If you wish to give the heating priority, continue with. Otherwise with. Select menu field Domestic hot water. The priorities entry field assumes a dark background Change priority for Domestic hot water and finish entry The menu field Heating serves for information. No manual settings can be made here. Save settings or cancel. Return to menu Service Settings. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 37

38 Determining system setting In the menu Service Settings, select and activate the menu field System setting The screen changes to the menu Service settings system Activate and select the required parameters. The relevant input field assumes a dark background Make the required setting attention Incorrect settings not oriented towards the system components put the safety and functional capability of the system at risk and can lead to damage. El. sup. blockade Electrical supply off-times no 2hg = 2hg at electrical supply off-time also locked with 2hg = 2hg released for electrical supply Setting only takes effect as 2 hg for boiler or thermal. Room stat. Room station (Room remote adjuster) No = No room remote adjuster connected RFV = Room remote adjuster connected Integratation Hydraulic integration Setting the hydraulic integration of the buffer tank Return (=return) = hydraulic integration with row tank (flow/return) Sep. tank (=separating tank) = hydraulic integration with parallel tank (multifunction tank, ) notice. Setting the hydraulic integration of the buffer tank Mixing circ 1 Mixing Circle 1 Setting the functioning of the mixer control Charge = Mixer serves as charger mixer, possibly for a boiler A notice. The manufacturer is not liable for damage resulting from wrong program settings not oriented towards the system components. notice. Enter deviations from the relevant factory settings in the overview System setting for the commissioning. b Tb1 A Boiler B Heat pump TB1 sensor flow (optional) Discharge = Mixer serves as a control mixer, possibly for floor heating Tb1 page 66, System setting for the commissioning Finish entry if required, repeat for further param- Procedure eters Cool = Mixer serves as a control mixer for passive cooling function (only for specific devices - s.o.) No = Mixer without function notice. For reversible LWD MK1 can also be set to Hz+Cool or Cooling without the Comfort board by using the fitter or customer service access. The cooling is controlled via the return sensor. 38 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

39 2hg1 type Type of the second heat generator 1 No = no 2 hg connected, system works monovalently El. Rod = Heating rod connected as 2 hg, system works mono-energetically Boiler = Boiler connected as 2 hg, system works bivalently The boiler setting only requires one charger mixer as the boiler is switched on continuously if required and the temperature is not controlled by the 2nd heat gen. 1 output. Thermal = Thermal (gas boiler) connected as 2 hg, is activated as heating rod, but can be released during electrical supply off-time 2hg1 fct Function of the second heat generator 1 No = no 2 hg connected, system works monovalently Heating = 2 hg located as a heating rod in the buffer tank HW a SW (=Heating and domestic hot water) = 2 hg located hydraulically in the flow of the heat pump. 2 hg is flown through if the heating or domestic hot water circulation pump is running Attention If integrated circulating heaters are installed in the flow of the heat pump, Ht a. DHW must be set as a function. notice. For each 2 hg, the type and function must be set. 2hg2 type Type of the second heat generator 2 No = no 2hg2 connected, the outlet has the function collective fault El. Rod = 2hg2 is a heating rod, the system is powered mono-energetically 2hg2 fct. Function of the second heat generator 2 No = no 2hg2 connected, the outlet has the function collective fault Heating = 2hg2 located as a heating rod in the buffer tank SW (= domestic hot water) = 2hg2 located in the domestic hot water tank Attention If the 2hg2 is at No, the output has the function collective fault. No 2 hg may be connected to this output. Output cycles for self-resetting fault. Continuous On at fault. Attention Only the following 2hg1 / 2hg2 combinations are permissible: 2hg1 fct 2hg2 fct Release Heating Heating Ht a. DHW Heating Heating SW. No SW. No Heating Ht a. DHW SW. Error error with 2hg = in the event of a fault in the heat pump, connected 2 hgs are energised according to requirements (HW + SW) no 2hg = in the event of a fault in the heat pump, connected 2 hgs are only energised if the return temperature < 15 C (antifreeze); (only heating) Service water 1 Domestic hot water 1 Sensor = Domestic hot water preparation is initiated or terminated via a sensor on the domestic hot water tank Thermal = Domestic hot water is initiated or terminated via a thermostat on the domestic hot water tank Connect domestic hot water thermostat on the same terminals as the domestic hot water sensor (low voltage). The domestic hot water thermostat must be suitable for low voltage (floating contact). Thermostat closed (= signal On) = Domestic hot water requirement. Service water 2 Domestic hot water 2 CP = Setting CP means circulation pump. For the corresponding settings, please refer to the description of the circulation pump in the operating manual intended for end customers, found in program section Domestic hot water under the section entitled Circulation. h.w.cp = Setting h.w.cp means that the CP output will be active during domestic hot water preparation and switch off 30 seconds after domestic hot water preparation is complete. Service water 3 Domestic hot water 3 with CP = Additional circulation pump runs during domestic hot water preparation wo. CP = Additional circulation pump does not run during domestic hot water preparation We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 39

40 Service water 4 Domestic hot water 4 Set value = Heat pump attempts to reach the set setpoint value of the domestic hot water temperature Service water 5 Domestic hot water 5 with HSP = Heating circulation pump runs during domestic hot water preparation wo HSP = Heating circulation pump does not run during domestic hot water preparation Heat pump type Factory setting. AP-AW10 with HSP other devices without HSP SW+HP max Maximum running time domestic hot water preparation + Heat pump After the set time has expired, the 2nd heat generator in the domestic hot water preparation energises, but only if this has been released previously in the heating mode! Defr cycle max Defrost cycle time, maximum time between two defrost processes Option only possible for L/W devices: You can find the time to be set for the relevant L/W device in the operating instructions. If you do not find any data there, the following applies: see page 64, overview: Defrost cycle, air defrost, VL max Defrost. Air. air defrost Option only possible for L/W devices: No = Air defrost not released Yes = Air defrost generally released above the set temperature Approved appliances, see Table on page 36 Attention Do not set an air defrost on non-approved appliances. Defr. Air max Maximum duration of air defrost Option only possible for L/W devices and if air defrost is released Defrost 2 Option only possible for L/W devices with 2 compressors with 1 CP = Defrost with only one compressor with 2 CP = Defrost with two compressors, if these also supply before defrosting Attention When making the settings, follow the table above as you may otherwise endanger the machine! Pump opt. Pump optimisation No = Heating circulation pumps always run, unless another supply type is requested (domestic hot water, ) or the device is switched off Yes = Heating circulation pumps are switched off, if required The heating circulation pumps will be switched if the heat pump has not been requested for more than 3 hours. The heating circulation pumps will then cycle for 5 minutes every 30 minutes until the heat pump receives another request. If the external temperature is above the return setpoint temperature, the heating circulation pumps will be switched off permanently. They will be switched on for 1 minute every 150 hours to prevent them from becoming stuck. Access Data access authorisation The Fitter (= Qualified technicians) provides access to parameters without a password, which otherwise requires Customer service access. Brine pres/flow Brine pressure / flow / Option only possible for S/W or W/W devices No = neither brine pressure pressostat nor flow switch connected Brine pres = for S/W devices, a brine pressure pressostat is connected on the Defr/Brin/Flow input Flow = for W/W devices, a flow switch is connected on the Defr/Brin/Flow input Pow.suppl. = Phase monitoring relay installed in the supply pipe of the compressor is connected on Defr/Brin/Flow input Pow.+ flow = Phase monitoring relay and flow switch are connected on the Defr/Brin/Flow input Attention For certain devices, a flow switch is installed at the factory. In this case, always set Defr/Brin/Flow to pow. Suppl. or pow.+ flow. An incorrect setting will compromise the safety and functional capacity of your device and can result in serious damage. Control CP Compressor monitoring Off = Compressor monitoring switched off On = Compressor monitoring switched on, if the rotating field of the supply line is incorrect, a Net On fault will be detected Error number 729, see page 61 While the compressor is starting up, compressor monitoring checks the change in temperature in the 40 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

41 hot gas. If the temperature of the hot gas does not change while the compressor is running, a malfunction is displayed. Attention Only switch on compression monitoring for error locating during maintenance work. In the case of devices with a power supply monitor, the compressor monitoring is switched off in the factory setting. Setting hc Control of the heating curves Set. AT = flow setpoint temperature of the heating is calculated via a set heating curve Fixed Tp = flow setpoint temperature can be selected independently of the external temperature specification Setting mc 1 Setting mixing circle 1 Set. AT = return setpoint temperature of the heating is calculated via a set heating curve Fixed Tp = return flow setpoint temperature can be selected independently of the external temperature specification Screed heating Option only possible for external energy source (wood boiler, solar system with parallel tank, ) w. mixer = If the mixer is defined as a discharge mixer, it controls according to the setpoint temperature in the screed heating program wo. mixer = If the mixer is defined as a discharge mixer, it always starts up during the screed heating program El. Anode electrical anode Impressed current anode in the domestic hot water tank Yes = Impressed current anode present No = Impressed current anode not present Attention In the case of devices with an impressed current anode tank, Yes must be set in this menu field in order to ensure the corrosion protection of the tank. The impressed current anode must be connected according to the operating instructions of the relevant heat pump. can use this menu item to set the temperature from which the heat pump is not supposed to provide any more heat. If the mean temperature exceeds the value set here, the return setpoint temperatures are reduced to a minimum and the heating circulation pumps switched off. If the mean temperature falls below the set heating limit, heating mode is resumed automatically. Parall. operation Parallel operation No = default setting, heat pump works independently Master = heat pump is the parallel connection master and takes over the heat control of the system Slave = heat pump is part of a parallel connection and receives heating commands from the master HP Page 55, parallel connection Pump optim. Time Pump optimisation Time If the pump optimisation is switched on (pump optimisation YES), the time be defined, according to which the heating circulation pumps are switched off. If the heat pump is off during this time because there is no need for heating, the pump will loop - 30 minutes off, 5 minutes on, until there is a further heating requirement. Remote maintenance Yes = Remote maintenance function switched on No = Remote maintenance function switched off For further details regarding the use of the remote maintenance function, see page 51, remote maintenance Save settings or cancel. Return to menu Service Settings. Feed VBO Feed-time for the heat-source pump in brine/water or water/water appliances can be set here. This may be necessary if the time from switching on the Heating limit If the heating limit parameter is set to yes, the heating will automatically be switched off to summer mode and vice versa. If the heating limit is enabled, the daily mean temperature will be displayed under Service-Information-Temperatures. At the same time, the heating menu will contain the menu item heating limit. You We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 41

42 pump until the nominal rate of flow is reached is greater than 30 seconds. Abtzyk min Defrost cycle time, minimum time between two defrost processes Option only available on L/W appliances Take the time to be set from the instructions for use for the respective L/W appliance. Ventilating the system In the menu Service Settings, select and activate the menu field System Ventilation Shortening the second compressor stage Time before the second compressor stage cuts in. If the difference between the return flow set and actual values is greater than the setting hysteresis HR verk ( Temperature settings ), then the second compressor stage cuts in after this time. NOTicE A compressor may not cut in more than three times per hour. If this figure has already been reached, cutting in will take longer! The screen changes to the menu System Ventilation Heat. sys. pump Heating and floor heating circulating pump suppl. pump additional circulating pump Hot water pump Domestic hot water circulation pump Fan-heats.pump Fan, well or brine circulation pump MC open 1 Mixer 1 OPEN MC close 1 Mixer 1 CLOSE CP Additional circulating pump, circulation pump Duration Running time of the ventilation Ex-valve man.open In LWD... and new AP-BW30-37-AP-BW30-69 and AP-BW30-29H-AP-BW30-56H the expansion valve opens completely for the set running time Activate and select system part(s) to be ventilated Set running time of the ventilation program Activate and select menu field Running time. The entry field for the time indication assumes a dark background Set running time (hour cycle) 42 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

43 Value range for running time = 1 24 hours Factory setting: 1 hour Finish entry Cancel or save the settings If circulating pumps are selected, the ventilation program will start immediately after the settings have been saved. The ventilation pauses after one hour for 5 minutes and then automatically continues afterwards. Setting Startup Parameters You can save the settings you made during startup (= setting startup parameters). This allows you to quickly and easily reset the system to the status it had at startup. The data is stored on the circuit board of the control element. The function Setting startup parameters requires customer service access. Proceed as follows: In the menu Service Settings, select and activate the menu field Fix startup parameters Return to menu Service Settings. As long as the ventilation program is active, the corresponding program symbol will appear in the navigation screen: Follow the instructions on the screen You can also save the settings to an external USB stick. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 43

44 Selecting language of the screen display The menus and texts which the screen of the operating element displays are stored in various languages. You can select a language. Proceed as follows: Determining date and time Proceed as follows: In the menu Service, select and activate the menu field Date and Time In the menu Service, select and activate the menu field Language The screen changes to the menu Language The screen changes to the menu Date and time Activate and select the required language Save settings or cancel. Return to the menu Service.. As soon as you select the symbol at the end of the list, the screen display changes to the language you have selected. Select and activate entry field for day figures Set numbers for the current day Procedure repeat in the same way in the entry fields for month, year, hour, minutes and seconds You cannot change the name of the day. It is automatically generated and shown. Save settings or cancel. Return to the menu Service. 44 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

45 Screed heating program Proceed as follows: In the menu Service, select and activate the menu field Screed heating Setting temperatures and time intervals Proceed as follows: In the menu Service screed heating select and activate table field Flow1 (= flow temperature level 1) The relevant temperature entry field assumes a dark background. Set the desired temperature and finish entry The screen changes to the menu Service Screed heating Activate and select the entry field Time in the table line Flow1 The entry field for the time which is to last Flow1 assumes a dark background. Set the desired duration and finish entry Set temperature values are flow temperature values. The heat pump is controlled via the return sensor. The program recalculates the corresponding spread for each temperature change. A minor deviation from the set temperature value is therefore possible. Values of the factory setting correspond to the specifications of some screed manufacturers, but can be changed on site. Attention Always check values of the factory setting or desired values in respect to whether they correspond to the manufacturer specifications for the screed which is to be heated. Procedure Flow10 repeat for the table lines Flow2 to If less than ten levels are required for heating the screed, set the time interval to 0h for all levels not required. Attention Do not start any domestic hot water high-speed charge while the screed heating program is running. If the temperatures in the heating system are greater than the setpoint temperature of the first flow temperature level, start the screed heating program with the next highest flow temperature level. Otherwise the screed heating program can trigger an error message in the first flow temperature level. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 45

46 Starting screed heating program Domestic hot water preparation is not possible while the domestic hot water program is running. Scroll all the way down the Service Screed heating screen. Activate and select the menu field SHP start Select the menu field Save settings in order to start the screed heating program The display SHP starting changes to SHP running. A confirmation prompt appears In the screed heating program, all connected heat generators are released if necessary. However, the following applies: A heating system is designed for heating in general and not for heating screed. It may therefore be necessary for the screed heating phase to integrate additional heat generators in the system. Acknowledge confirmation prompt. Activate and select menu field Yes or select and activate the menu field No If you respond to the confirmation prompt with No, the screed heating program will not start. If you respond to the confirmation prompt with Yes, the screen will change back to the menu Service screed heating. The last menu entry is now SHP starting, the menu field Settings assumes a dark background: After starting the screed heating program, the programmed flow temperature levels are automatically executed in succession. The time interval set for a flow temperature level is not necessarily the actual time which is necessary to reach the next flow temperature level. Depending on the heating system and power of the heat pump, it may take varying lengths of time until the next flow temperature level is reached. If a flow temperature level is not reached on account of too low a heating power, a corresponding error message will appear in the screen. The error message informs you about the flow temperature level which has not been reached. However, the screed heating program continues running and attempts to reach the next flow temperature levels. After expiry of a flow temperature level, the relevant time interval is set to 0h. This ensures that the screed heating program continues after a potential power failure at the start of each flow level at which it was interrupted. If the error message Power screed heating appears (= error number 730), this is only an indication that the screed heating program could not process a flow temperature level in the specified time interval. The screed heating program continues to run nevertheless. The error message can only be acknowledged if the screed heating program has finished or has been manually switched off. 46 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

47 Return to the Service menu. As long as the screed heating program is running, the corresponding program symbol will appear in the navigation screen: System configuration If there is a type of use which is not required for your system, it is not necessary for the associated program areas to be represented in the screen. An example: Your system is only designed for heating mode. No components are installed for the domestic hot water preparation. That means you do not require access to the menus of the program area Domestic hot water. It is therefore not necessary for these menus to be shown in the screen. In the System configuration you can specify that these menus do not appear in the screen and therefore remain hidden. Manually terminating screed heating program Proceed as follows: In the menu Service, select and activate the menu field Screed heating However, hiding a menu does not affect the function or operation of a type of use. If the type of use is switched off, this must be set in the menu Mode of operation. In the menu Service, select and activate the menu field Installat. conf. The screen changes to the menu Service screed heating : The menu line SHP deactivate assumes a dark background The screen changes to the menu Service Installat. conf. Press rotary pushbutton. The screed heating program switches off immediately, the display SHP deactivate is automatically replaced by the display SHP deactivated Scroll all the way down the screen, save the settings and return to the Service menu. Deselect program area not required The example shown reveals that the menus of the program area Heating are displayed in the screen. The menus of the program area Domestic hot water are not displayed. Save settings or cancel. Return to the menu Service. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 47

48 STartup assistant For AP-BW30-37 to AP-BW30-69 and AP-BW30-29H to AP-BW30-56H it is necessary to select whether water or brine is to be used as the heat source fluid, otherwise the unit doesn t work. The set fluid can be viewed under System Settings and can be changed from Customer Service access level. TWQ-Min can be changed using the customer service access, if brine is selected. For AP-BW: Low pressure cut-off value with water: 7 bar. For AP-BW: Low pressure cut-off value with brine: 4 bar This window indicates that you have finished adjusting the settings: Startup assistant parameters back The control unit is equipped with a commissioning assistant. This assistant will guide you through the most important settings of the regulator during initial commissioning. The GO symbol in the main menu flashes. Click on the symbol to launch the commissioning assistant. The symbol will disappear as soon as initial commissioning is complete. For more information on the commissioning assistant, please refer to the corresponding sections in this operating manual. You will be guided step-by-step through several selection options used to set up your heat pump. For example: If your heat pump was commissioned by an authorised customer service partner and the startup parameters have been stored, you can use this menu item to restore these parameters. This may be helpful if settings have been changed and let to a system malfunction. Please Notice that all settings such as heating curves, system settings, set values will be reset to the values applicable at commissioning. This does not apply to the time switches. You will be guided through the following menu items: or: (For the number of the control setting, please refer to the hydraulic diagrams we have published). If Yes, you will receive this confirmation: 48 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

49 Adjusting the contrast of the control element display You can adjust the contrast of the control element display to your needs. Proceed as follows: In the navigation screen, select the symbol SOFTWARE UPDATE An older software version must not be loaded onto a unit with software version >=V2.63. Data logger The screen switches to the Service menu. Here, scroll down the menu and select the menu item System control The controller is equipped with a data logger which records the data of the heat pump for a period of 48 hours (temperatures, inputs/outputs). You can save this data to a USB stick. To do so, insert the USB stick into the controller and use the menu item data logger to save the data to the USB stick. An authorised customer service or fitter can start a permanent data logger function using his or her password access. If the USB stick is inserted, the data including date and time will then be stored automatically every 48 hours. The screen switches to the System control menu. Here, select the menu item Display Contrast The screen switches to the Display Contrast menu. Here, select and activate + / Adjust the contrast by turning the rotary pushbutton Please remember to save the data logger to the USB stick before removing the USB stick from the control element. You will otherwise lose the most recent values. Save settings or cancel. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 49

50 Web server The left socket at the bottom of the control element can be used to connect to a computer or a network, enabling the heating and heat pump regulator to be controlled remotely from there. This requires the laying of a screened network cable (category 6) through the unit during the electrical connection work. If this network cable is available, insert the network cable s RJ 45 plug into the left socket of the control element. The screen switches to the Service system control menu. Here, select the menu item Web server The screen switches to the Web server menu. Start by entering the 6-digit numeric password to unlock data input access. You will need this password later to register the computer with the controller. If you enter an incorrect numeric password, you will only be able to read data, but not make any changes If the computer is connected directly to the heating and heat pump regulator, enable the menu item DHCP Server. The Web server function allows you to use a computer and an Internet browser to control the heating and heat pump regulator. In the navigation screen, select the symbol DHCP-Client The screen switches to the Service menu. Here, scroll down the menu and select the menu item System control If the heat pump controller is connected to a network with a DHCP server, the controller can be assigned an IP address by this server (e.g. router). The DHCP Client point must be activated for this. Following a restart, the IP address assigned is displayed in the IP address menu. The connected computer must operate as a DHCP Client. This will result in the computer receiving all necessary connection data automatically form the DHCP server of the heating and heat pump regulator. In the event of any connection problems, check the network settings of the operating system installed on your computer and adjust the settings if necessary. 50 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

51 If the computer is connected to the heating and heat pump regulator via a router, make sure to disable the menu item DHCP Server. Once DHCP Server has been switched off, the heating and heat pump regulator must be restarted (reset). Save settings and exit menu gateway) shown on the screen of the heating and heat pump regulator to the address areas of your router. Example: The IP address of the connected router (= gateway) is , and the number of the subnet mask is You will then have to enter and save the following address information in the heating and heat pump regulator. In the menu System control, select the menu item IP address Notice The webserver s display is suited for a resolution of at least 1024 x 600. The screen changes to the menu IP address Enter an address between and under the menu item IP. The address you enter must not have been assigned to another device managed by the connected router. The JVM (Java Virtual Machine) is available as a plugin for your Web browser. To download the JVM Web browser plug-in from the Internet, log on to IP address of the heating and heat pump regulator 2 Subnet mask 3 Address broadcast 4 Gateway address of the connected router If DHCP Server or DHCP Client is enabled, you will only be read, but not make any changes to the data. The computer connected as a DHCP client will automatically be assigned an IP address. To gain access to the heating and heat pump regulator from the connected computer, open a Web browser and enter into the address line followed by the number of your heating and heat pump regulator shown under IP. If the computer is connected via a router and, thus, the DHC Server of the heating and heat pump regulator is disabled, you will have to adjust the IP address (1) as well as all other entries (subnet mask, broadcast, We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 51

52 Remote maintenance Notice At the moment, the Remote maintenance function is only available for heat pumps in the Professional Series. Switch on the remote maintenance function In the navigation screen, select the symbol. Notice In order to be able to use Remote maintenance, the following prerequisites must be fulfilled: A special contract with the manufacturer has been negotiated. The heating and heat pump regulator has access to the internet with open port 21 via a broadband connection (DSL) and a router. The commissioning of the heat pumps will be handled by the manufacturer s customer service representatives. The manufacturer makes available a completed application form for remote maintenance. Notice Remote maintenance is an additional service feature made available by the manufacturer at an additional cost. The screen switches to the Service menu. Here, select the menu item Settings... Here, scroll down the menu and select the menu item Remote maintenance. Notice All settings that are related to the Remote maintenance function, may only be handled by authorised service personnel. Save settings and return to the Service menu. The Remote maintenance function enables direct access to the the heating and heat pump regulators on the remote maintenance server of the manufacturer. 52 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

53 Adjust the remote maintenance function Proceed as follows: Select the menu item Check connection. In the Service menu select the menu item System control. The screen switches to the System control menu. Here, select the menu item remote maintenance... Notice Checking the connection is essential at the time of initial adjustment. The screen changes to the menu Enter serial number... The screen switches to the Remote maintenance menu. Here, select the menu item IP address... The screen changes to the menu Remote maintenance IP address... Enter the serial number of the heat pump... Notice A connection with the remote maintenance server is only possible if the serial number of your heat pump is correctly entered. The heat pump serial number can be found on the rating plate attached to the housing of the heat pump. Save settings. Thereupon, the connection with the remote maintenance server will be checked... Enter the IP address of the remote maintenance server here (currently: ) Notice Once successfully connected with the remote maintenance server, the IP address may no longer be changed. The router must be set up as a gateway. If errors occur during the checking of the connection, a corresponding warning will appear on the screen of heating and heat pump regulator: Page 50, web server Save settings and return to the Remote maintenance menu... page 54, Error causes with connection problems We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 53

54 Manual data transfer In the Remote maintenance menu select the menu item Manual data transfer. Information on the remote maintenance function Proceed as follows: In the Remote maintenance menu select the menu item Information... A connection with the remote maintenance server will be created and the data will be transferred... The screen changes to the menu Remote maintenance information... If connection problems arise, the following message will appear on the screen... page 54, Error causes with connection problems Error causes with connection problems If a connection with the remote maintenance server is not possible, the causes may include: The heating and heat pump regulator has no connection to the internet. The standard gateway in the System control / IP address is not correctly set up. Port 21 is not activated for the heating and heat pump regulator. The IP address of the heating and heat pump regulator is not adjusted to conform to your local network. If connection problems arise, check all settings assocatied with Remote maintenance, Web server, and System control / IP address. Correct the settings as needed. If, thereafter, a connection with the remote maintenance server is still not possible, contact the customer service representatives of the manufacturer. MAc last update next update contract status mac address of the controller Data must be shared with the manufacturer by the time the contract is signed. elapsed time since the last activation of the remote maintenance time until the next automatic activiation of the remote maintenance description of the closed remote maintenence contract status of the remote maintenance offline = standard display (is most often displayed) online = connection to the remote maintenance server is established and active 54 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

55 Program area Parallel connection The parallel connection is used for connecting four heat pumps with one another in order to allow them to be connected to a shared heating system. One of these heat pumps (master HP) takes over the task of controlling the entire heating system. An outdoor sensor and the associated control sensor (return sensor) of the heating system must be connected to this heat pump. Also, only this heat pump will be able to activate a second heat generator (2 hg). Any slave heat pump of the system can be used for domestic hot water preparation. To prepare domestic hot water using a heat pump connected in parallel, connect the associated domestic hot water sensor to the corresponding heat pump. Also required is the connection of the electrical supply contact to the heat pump! While the heat pump is preparing domestic hot water, it is excluded from the control compound and not energised by the master HP. Parallel operation is not possible unless all integrated heat pumps are fitted with the same number of compressors! The el. sup. blockade must always be connected to the master heat pump and the heat pump responsible for domestic hot water preparation! There is only ONE master per parallel connection. The individual stages of a parallel connection are activated such that the first compressor will always be the first to run before the second compressor of a heat pump is energised. The individual compressor stages cannot be locked depending on the outdoor temperature. The master HP will always energise the stage with the lowest running time based on the operation hours of the individual devices. Connection The heat pumps are connected to one another via the Ethernet interface and a hub or switch (not included in the scope of delivery!). Example: 4 heat pumps for heating, 1 heat pump is responsible for domestic hot water ZWE i TA TRL ext EVU A ZUP HUP 2 2 B TBW BUP EVU ZUP ZWE 1/2 TDI 1 D C ZUP 2 2 ZUP We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 55

56 Example: 2 heat pumps used only for heating ZWE i TA TRL ext EVU A ZUP HUP 2 E ZUP Example: 2 heat pumps for heating mode, 1 heat pump is responsible for domestic water heating ZWE 1 TA TRL ext EVU A ZUP HUP 2 B TBW BUP EVU ZUP ZWE 1/2 TDI TBW = Domestic hot water temperature sensor ZWE 1 = Second heat generator 1 ta TRL ext EVu BUP ZUP HUP = External sensor = External return flow sensor = Release signal electric suppl. = Domestic hot water pump = Additional circulation pump = Heating circulation pump ZWE 1/2 TDI = Second heat generator 1 oder 2 (only possible for Thermal disinfection ) 1 Hub oder switch with 4 ports: (RJ-45, 10 Base-T / 100 Base-Tx) 2 Patch cable RJ-45 (up to 20m) A Heat pump Master (in this case only heating) B Heat pump Slave 1 (heating and domestic hot water) C Heat pump Slave 2 (in this case only heating) D Heat pump Slave 3 (in this case only heating) E Heat pump Slave 1 (only heating) 56 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

57 IP-Adress Establishing the connection requires that the DHCP server be enabled and the heat pumps have different IP addresses. The subnet mask must be the same. to disable the DCHP server, see page 50 to change the IP address, open the menu Service / System control / IP address. Example: Default IP setting for the heat pump master: External return flow sensor One parallel connection usually has one single buffer tank for all heat pumps. In this case, the external return flow sensor must be installed in this buffer tank and connected to the master heat pump. see page 12. Select program area The program area Parallel connection must be set by authorised service personnel during commissioning. Required setting: Parallel operation = slave 1 IP-Adress always different 2 Subnet mask always the same 3 Broadcast always the same 4 Gateway always the same or the setting is: Parallel operation = master Default IP setting for heat pump slave 1 The additional IP addresses (different from one another) for systems with 2 or 3 heat pump slaves must be set in the same way. Make sure the IP addresses are different from one another! The subnet mask must always be the same! We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 57

58 Setting on the master heat pump Status of the master heat pump Perform a search for the slaves on the master Menu: Parallel operation / Network / Search for HP This menu shows which information the master heat pump receives from the individual slave heat pumps. Selecting Search for HP will initiate a search throughout the network This requires that all heat pumps that are supposed to work in parallel be switched on and all IP addresses set correctly! All heat pumps will be displayed 1 IP-Adress 2 Operating state 0 = no compressor 1 = 1 compressor 2 = 2 compressors 7xx = error Error codes see page 60 1 Master 2 Slave 1 found 3 Slave 2 found 4 Slave 3 found Select the slave heat pumps that are supposed to work in parallel and confirm. When performing another search, you must select the corresponding heat pumps again! 58 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

59 Menu Setting the heating Menu: Parallel operation / Setting heating The menu provides the following information Switch. Cycle means heating control time. This time defines at what interval the heating is supposed to switch to the next higher / lower bivalent level (compressor switch-on/shut-off). This value should not be set to less than 10 minutes for 2 heat pumps. If you set 20 min., it would take 20 minutes until the second compressor stage would be energised following the first compressor stage if a corresponding request is received. The request is determined by the setpoint and actual return temperature of the master heat pump. To see how much of the heating control time has expired, refer to Information- Timings. Parall. Hysteresis In addition to the heating regulator hysteresis (under: Service / Settings /Temperatures), there is also a parallel hysteresis for parallel connections. This hysteresis must always be greater than the heating regulator hysteresis of the master heat pump. The purpose of this second hysteresis setting is to cut in half the heating control time that will expire before the next switch-on/switch-off if this hysteresis is exceeded. This allows for a quicker control response if the difference between setpoint and actual temperature is too great. Use the back arrow to exit this menu item. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 59

60 Error Diagnosis / Error messages No.. Display Description Remedy Error low pressure. Please call fitter Low pressure stop RESET autom. Antifreeze Please call fitter Error hot gas Reset in hh:mm Motor protection VEN Please call fitter Motor protection BCP Please call fitter Coding of HP Please call fitter Return sensor Please call fitter Flow sensor Please call fitter Hot gas sensor Please call fitter External temp. sensor Please call fitter Domestic hot water sensor. Please call fitter HS-on sensor Please call fitter Hot gas SW Reset in hh:mm High-pressure switch-off RESET autom. High-pressure fault Please call fitter Flow HS Please call fitter Max. outside temp. RESET autom. in hh:mm Min. outside temp. RESET autom. in hh:mm HS temperature RESET autom. in hh:mm Low pressure pressostat in the cooling circle has responded (LW) or for longer than 20 seconds (SW). Only possible for L/W devices: Low pressure in the cooling circle has responded. After some time, automated HP restart Only possible for L/W devices: If the heat pump is running and the temperature in flow is < 5 C, antifreeze is detected Maximum temperature in the hot gas cooling circle exceeded. Automatic HP restart after hh:mm Motor protection has responded Option only possible for S/W- or W/W devices Motor protection of the brine or well water circulating pump or the compressor has responded Break or short-circuit of the coding bridge in HP after the first switch-on Break or short-circuit in the return sensor Break or short-circuit in the flow sensor No fault shutdown for S/W- or W/W devices Break or short-circuit in the hot gas sensor of the cooling circle Break or short-circuit in the external temperature sensor No fault shutdown. Fixed value to -5 C Break or short-circuit in the domestic hot water sensor No fault shutdown. Break or short-circuit in the heat source sensor (inlet) Check thermal application limit of the HP. Domestic hot water off for hh:mm High pressure in the cooling circle has responded. After some time, automated HP restart High pressure pressostat in the cooling circle has responded several times. Flow switch for W/W devices has responded during the pre-rinsing time or operation Only possible for L/W devices: Outside temperature has exceeded permissible maximum value. Automatic HP restart after hh:mm Only possible for L/W devices: Outside temperature has fallen below the permissible minimum value. Automatic HP restart after hh:mm Option only possible for S/W- or W/W devices Temperature at evaporation outlet has fallen below the safety value on the HS side several times. Automatic HP restart after hh:mm Check HP for leakage, switching point pressure state, defrosting and T-outd.min. Check HP for leakage, switching point pressure state, defrosting and T-outd.min. Check HP power, defrost valve and heating system. Check coolant quantity, evaporation, overheating flow, return and HS-min. Check set value and ventilator / BCP. Check set values, compressor, BOS. Coding resistance in HP, check plug and connection line. Check return sensor, plug and connection line. Check flow sensor, plug and connection line. Check hot gas sensor, plug and connection line. Check external temperature sensor, plug and connection line. Check domestic hot water sensor, plug and connection line. Check heat source sensor, plug and connection line. Check flow of domestic hot water, heat exchanger, domestic hot water temperature and circulation pump. Check flow of HW, overflows, temperature and condensation. Check flow of HW, overflows, temperature and condensation. Check flow, switching point for DFS, filter, air clearance.. Check outside temperature and set value. Check outside temperature and set value. Check flow, filter, air clearance, temperature. 60 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

61 No.. Display Description Remedy Low-pressure switch-off RESET autom. Tempdiff HW Please call fitter Tempdiff SW Please call fitter Tempdiff defrosting Please call fitter System error SW Please call fitter Sensor mixing circ 1 Please call fitter Brine pressure Please call fitter Sensor HS Off Please call fitter Rotating field error Please call fitter Screed heating error Please call fitter Cooling fault Please call fitter Anode fault Please call fitter Anode fault Please call fitter Error Ext. En Please call fitter Error solar collector Please call fitter Error solar tank Please call fitter Error mixing circle 2 Please call fitter Return sensor external Please call fitter Low pressure pressostat in the cooling circle has responded. After some time, automated HP restart (SW and WW) Temperature spread in the heating mode is negative (=erroneous) Temperature spread in the domestic hot water mode is negative (=erroneous) Temperature spread in the heating circle is > 15 K during defrosting (=danger of frost) Domestic hot water faulty, desired tank temperature is fallen below substantially Break or short-circuit in the mixing circle sensor Brine pressure pressostat has responded during the pre-rinsing time or during operation Break or short-circuit in the heat source sensor at the HS outlet Compressor without power after switching on The screed heating program could not reach an FL temperature level in the specified time interval. Screed heating program continues running. The hot water temperature of 16 C has been fallen short of several times Fault input of the impressed current anode has responded Error 733 present for more than two weeks and domestic hot water is locked Only possible with installed Comfort card: Break or short-circuit in the sensor External energy source Only possible with installed Comfort card: Break or short-circuit in the solar collector sensor Only possible with installed Comfort card: Break or short-circuit in the solar tank sensor Only possible with installed Comfort card: Break or short-circuit in the mixing circle 2 sensor Break or short-circuit in the external return sensor 751 Phase monitoring fault Phase-sequence relay has responded 752 Flow error Lost connection to slave Please call fitter Lost connection to master Please call fitter Phase-sequence relay or flow switch has responded A slave has not responded for more than 5 minutes. A master has not responded for more than 5 minutes. Check switching point of the pressostat, flow on HS side. Check function and location of the flow and return sensor. Check function and location of the flow and return sensor. Check function and location of the flow and return sensor, HCP capacity, overflows and heating circles. Check circulating pump HW, tank filling, shutoff move and 3-way valve. Ventilate hot water and SW. Check mixing circle sensor, plug and connection line. Check brine pressure and brine pressure pressostat. Check heat source sensor, plug and connection line. Check rotating field and compressor. The screed heating program could not reach an FL temperature level in the specified time interval. Screed heating program continues running. Check mixer and heating circulation pump. Check connection line between anode and potentio stat. Fill SW tank. Acknowledge error in order to release domestic hot water preparation again. Rectify 733. Check sensor External energy source, plug and connection line. Check solar tank sensor, plug and connection line. Check solar tank sensor, plug and connection line. Check mixing circle 2 sensor, plug and connection line. Check external return sensor, plug and connection line. Check rotary field and phase-sequence relay. see errors No. 751 and No. 717 Check network connection, switch, and IP addresses. Perform HP search if necessary. Check network connection, switch, and IP addresses. Perform HP search if necessary. We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 61

62 No.. Display Description Remedy 757 Low-pressure fault in WWappliance 758 Defrosting malfunction 759 TDI message 760 Defrosting fault Low-pressure pressostat in the WW-appliance has triggered either repeatedly or for more than 20 seconds, Five times in a row, defrosting has either lasted longer than 10 minutes or was terminated with a feed temperature of < 10 C Unable to correctly carry out thermal disinfection 5 times in succession Defrosting ended 5 times in succession by maximum time (strong wind impinges on evaporator) If this malfunction occurs three times, the installation can only be cleared again by authorised service personnel! Check for icing-up of the evaporator Check on output of the HUP at limits specified for heating water Check heating pump for leaks Check switch setting for AEP Check setting of second heat generator and safety temperature limiter Protect the fan and evaporator from strong wind 761 LIN timeout LIN timeout Check cable/contact 762 sensor (evaporator Tü sensor error Check sensor, replace if necessary intake) (evaporator intake) 763 sensor (compressor intake) 764 Sensor Compressor heater Tü1 sensor error (compressor intake) Sensor error Compressor heater Check sensor, replace if necessary Check sensor, replace if necessary 765 Overheating Overheating longer than 5 minutes below 2K When switching on for the first time, check rotary field, otherwise phone customer service 766 compressor's functional range Operation for 5 minutes outside the compressor's functional range Check rotary field Acknowledging a fault If a fault occurs and an error message appears in the screen, then: Notice error number Acknowledge error message by pressing the rotary pushbutton (for 7 seconds). The screen changes from the error message to the navigation screen If this error message occurs again, contact the fitter or authorised service personnel (= customer service), if the error message prompted you to do this. Communicate error number and arrange further procedure. FLASHING CODES ON CONTROLLER BOARD Only LWD... and AP-BW30-37 to AP-BW30-69, AP-BW30-29 to AP-BW30-56H: Green LED flashes every second everything ok Red LED flashes briefly for short Data being received over LIN bus Green and red LED light up The board can receive a software update During the software update the green LED is lit and the red one flickers quickly 62 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

63 Technical Data Installation Only in frost-free, dry and weatherproof rooms. Ambient temperature: 0 C 35 C Electrical connection: 230 V AC, 18 VA, 0.1 A (max. power consumption regulator without any appliances connected) Outputs Relay contacts: 8 A / 230 V, Fuse: 6.3 AT (for all relay outputs) In total consumers up to 1,450 VA can be connected to the outputs. Inputs Optocoupler: 230 V Sensor inputs: NTC sensor 2.2 kω / 25 C Connections Control line: 12-pole, outputs 230 V Sensor line: 12-pole, low voltage Plug-in terminals: 1-pole, screw terminals Interfaces USB: USB version 2.0 (USB 2.0) host, A plug (only for a USB stick!) Ethernet: 1 x 10 Base-T / 100 Base-TX (RJ-45, plug, bent) Temperature sensor characteristics T / C Sensor measuring range Type of sensor R / kω , , , ,931 +/-0 6, , , , , , , , , , , , , ,534 Measuring range Autom. value in case of sensor defect TVL -10 C bis 80 C 5 C TRL -10 C bis 125 C 5 C TRL-E -10 C bis 125 C 5 C THG -25 C bis 140 C 150 C TA -35 C bis 55 C -5 C TBW 0 C bis 125 C 75 C TWE -40 C bis 70 C -50 C TWA -40 C bis 70 C -50 C TB1 0 C bis 100 C 75 C RFV -5 C bis 5 C 0 C We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 63

64 Overview: Defrost cycle, Air defrost, Flow Max Defrost cycle Air defrost Flow Max from / end Flow Max. 1 min. AT VL max. 2 Flow EG 3 AP-AW10-6C 60 7/ AP-AW10-8C 60 7/ AP-AW10-10C 60 7/6 57 AP-AW10-12C 60 7/6 57 AP-AW30-25E 60 7/ AP-AW30-31E NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

65 We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 65

66 System setting during commissioning Parameter Factory setting Setting Start-up Value range Access Limit return 45 C C *) 35 C 70 C Fitter Hysteres HC 2,0 K K *) 0,5 3,0 K Fitter RTincr.e max 7,0 K K *) 1,0 7,0 K AS Release 2 CP 5 C C *) -20 C 20 C Fitter Release 2hg S/W & W/W: -16 C L/W: -2 C C *) -20 C 20 C Fitter Tp-defr. Air. 10 C C *) 0 C 20 C AS TVth.disinf2 65 C C *) 50 C 70 C User Hysteres. SW 2,0 K K *) 1,0 30,0 K Fitter Flow 2.CP SW 50 C C *) 10 C 70 C Fitter T-outd. max 35 C C *) 10 C 45 C AS T-outd. min. -20 C C *) -20 C 10 C Fitter T-HS min S/W: -9 C W/W: 3,5 C C *) -20 C 10 C T-HG max 130 C C *) 90 C 140 C Plant T-def.airend 2 C C *) 2 C 10 C AS Lowering to -20 C C *) -20 C 10 C User Flow max device-dependent C *) 35 C 75 C User Flow max. MC1 40 C C *) 25 C 75 C User min. AT flow max. Flow limit of applic. -7 C C *) 50 C C *) -20 C 5 C Settings only possible for reversible units 35 C 75 C Settings only possible for reversible units Electr. suppl. no 2hg no 2hg with 2hg *) no 2hg with 2hg Fitter Roomstat. No No RFV *) No RFV User Integratation Return Return Sep.tank *) Return Sep.tank Fitter Mixing circ 1 No No Charge Discharge Cool *) No Charge Discharge Cool User 2hg1 type El. rod No El Rod Boiler Thermal *) No El Rod Boiler Thermal Fitter 2hg1 fct HW a SW No Heating HW a SW *) No Heating HW a SW Fitter 2hg2 type No No El Rod *) No El Rod Fitter 2hg2 fct. No No Heating SW *) No Heating SW Fitter Error with 2hg no 2hg with 2hg *) no 2hg with 2hg Fitter AS Plant AS AS 66 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

67 Parameter Factory setting Setting Start-up Value range Access Service water 1 Sensor Sensor Thermal *) Sensor Thermal User Service water 2 CP CP h.w.cp *) CP h.w.cp Fitter Service water 3 with CP wo. CP with CP *) wo. CP with CP Fitter Service water 4 set value. set value max value *) set value max value Plant Service water 5 device-dependent wo HSP with HSP *) wo HSP with HSP Fitter SW+HP max 0 h h *) 0 h 8 h User Defr cycle max 45 min min *) min Defr. Air.. No No Yes *) No Yes AS Defr. Air max 15 min min *) 5 min 30 min AS Defrost 2 with 1CP with 1CP with 2CP *) with 1CP with 2CP Plant Pump opt. Yes No Yes *) Suppl. pump CP User Access Fitter User Fitter AS *) User Fitter AS AS Brine pres/flow device-dependent No Flow Brine pres Pow.suppl. pow.+ flow *) No Flow Brine pres Pow.suppl. pow.+ flow Control CP On Off On *) Off On AS Setting hc set. AT set. AT Fixed Tp. *) set. AT Fixed Tp. User Setting mc 1 set. AT set. AT Fixed Tp. *) set. AT Fixed Tp. User Screed heating w. mixer wo. mixer w. mixer *) wo. mixer w. mixer User El. Anode device-dependent No Yes *) No Yes AS Heating limit No No Yes *) No Yes User Parallel operation Remote maintenance Pump optim. Time Fitter AS Fitter No No Slave Master *) No Slave Master Fitter No No Yes *) No Yes User 180 min *) min User Feed VBO 1 min min 1-5 min Fitter Defrost cycle min. Shortening 2nd compressor Hysteresis 2.CP short 45 min min Fitter min min 5 20 min Fitter 4.0 K K Fitter *) Please enter value or cross out if not applicable We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 67

68 Important abbreviations Abbreviation 1CP 2CP Meaning 1. compressor in heat pump 2. compressor in heat pump 2 hg Second heat generator 2hg1 fct Function of the second heat generator 1 2hg1 type Type of the second heat generator 1 2hg2 fct Function of the second heat generator 2/ 2hg2 type Type of the second heat generator 2 2nd heat gen. 1 Second heat generator 1 2nd heat gen. 2 Second heat generator 2 Addit. pump Additional pump Amb. temp. External temperature Amb. temp. Ambient temperature Amb. temp. Maximum external temperature max. Amb. temp. min. minimum external temperature AS Customer service av. so Compr.1 Average duration of the 1st compressor av. so Compr.2 Average duration of the 2nd compressor BCP Well / brine circulating pump Biv.-Level Bivalent level Brinpres. Brine pressure BUP Domestic hot water pump CFT Collective fault Control CP Compressor monitoring CP Compressor CP Circulation pump Defr Defrost Defr cycle Defrost cycle Defr. air. Air defrost released above the set temperature Defr. max Maximum air defrost time Brine pres./flow Brine pressure / flow Electr. suppl. Off-time of the electrical supply ERR.INST. System fault ERR-HP Heat pump fault EVU Release signal electrical supply Ext External Fan-heats. pump Fan, well or brine circulation pump Abbreviation Meaning Floor heat. Floor heating circulating pump pump1 Flow Temperature sensor flow Flow max maximum flow temperature Flow 2CP SW Flow 2nd compressor domestic hot water FVT Forced ventilation HC Add-time Heating control more time HC Less-time Heating time less time Heat Heating Heat. sys. pump Heating circulation pump High pressure High-pressure pressostat Hot water pump Domestic hot water circulation pump HP Heat pump HP since Heat pump running since HP-Type Heat pump type HS Heat source HS in Heat source inlet temperature HS out Heat source outlet temperature HSI Temperature sensor heat source inflow HSO Temperature sensor heat source outflow Hysteres. SW Hysteresis of domestic hot water Hysteresis HC Hysteresis of heating control Imp. Compr 1 Impulses compressor 1 Imp. Compr 2 Impulses compressor 2 KHZ Comfort Domestic Building Centre L/W Air/Water LA Ventilation off Limit Return Return limit Low pressure Low pressure pressostat Lowering to maximum lowering AP-AW30 Air/water outdoor installation AP-AW10 Air/Water Compact LWI Air/Water indoor installation MC1 desir. Mixing circle 1 flow set temperature MC1 fore. Mixing circle flow temperature Mixing circ 1 Mixing circle 1 Motor protect. Motor protection Op. h. 2hg1 Operation hours, additional heat generator 1 68 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

69 Abbreviation Meaning Abbreviation Meaning Op. h. 2hg1 Op. h. 2hg2 Op. h. comp1 Op. h. comp2 Op. h. hp Par. mode PEX Pump opt. Read-CPd Release 2 CP Release 2hg Operation hours, additional heat generator 1 Operation hours, additional heat generator 2 Average running time of 1st compressor Average running time of 2nd compressor Operation hours heat pump Parall. operation Party external Room station possible for WZS devices potent. ext. Pump option Compressor Read-CPd Release 2nd compressor Release second heat generator T-HG max T-HS min Tp-defr. air. TRL TRL-E TSW TVth. disinf2 VD VEN Vent. air inlet Ventilation maximum hot gas temperature minimum heat source temperature Temperature air defrost Temperature sensor return Temperature sensor return external Temperature sensor domestic hot water Thermal disinfection set temperature Ventilation day mode Fan Air input ventilator (= defrosting function) Ventilation of the heat pump housing Ret. targ. Roomstat. Return setpoint temperature Room station (= room remote adjuster) VP W/W Ventilation Party (= Continuous daytime operation) Water/water RRA Room remote adjuster WWC Water/Water Compact RTincr.e max Return increase maximum ZUP Additional circulation pump S/W brine/water ZWE Second heat generator Screed heat. Screed heating Stop SW Off-time domestic hot water Suppl. pump Additional circulating pump SW Domestic hot water SW actual Domestic hot water actual temperature SW des val Domestic hot water target temperature SW. Domestic hot water SWC Brine/Water compact Swi c time Off-time switching cycle SW-therm. switch Domestic hot water thermostat SW-Version Software version TA External sensor TB1 Temperature sensor mixing circle 1 TBW Domestic hot water temperature sensor T-def.airend Temperature air defrost end ThDsin. Thermal disinfection THG Temperature sensor hot gas We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 69

70 70 NIBE TM AP-CS2.0 We reserve the right to make technical changes bUK Translation of the operating manual

71 We reserve the right to make technical changes bUK Translation of the operating manual NIBE TM AP-CS2.0 71

72 AT KNV Energietechnik GmbH, Gahberggasse 11, 4861 Schörfling Tel: +43 (0) Fax: +43 (0) CH NIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 Flurlingen Tel: (52) Fax: (52) CZ Druzstevni zavody Drazice s.r.o, Drazice 69, CZ Benatky nad Jizerou Tel: Fax: [email protected] DE NIBE Systemtechnik GmbH, Am Reiherpfahl 3, Celle Tel: 05141/ Fax: 05141/ [email protected] DK Vølund Varmeteknik A/S, Member of the Nibe Group, Brogårdsvej 7, 6920 Videbæk Tel: Fax: [email protected] FI NIBE Energy Systems OY, Juurakkotie 3, Vantaa Puh: Fax: [email protected] FR AIT France, 10 rue des Moines, Haguenau Tel : Fax : [email protected] GB NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QG Tel: Fax: [email protected] NL NIBE Energietechniek B.V., Postbus 2, NL-4797 ZG WILLEMSTAD (NB) Tel: Fax: [email protected] NO ABK AS, Brobekkveien 80, 0582 Oslo, Postadresse: Postboks 64 Vollebekk, 0516 Oslo Tel. sentralbord: [email protected] PL NIBE-BIAWAR Sp. z o. o. Aleja Jana Pawła II 57, BIAŁYSTOK Tel: Fax: [email protected] RU "EVAN" 17, per. Boynovskiy, Nizhny Novgorod Tel./fax [email protected] NIBE AB Sweden, Box 14, Hannabadsvägen 5, SE Markaryd Tel: +46-(0) Fax: +46-(0) [email protected]