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INSTALLATION MANUAL

1. 0000000 000 10 12 9 9 O a 719 11 13 15 17 19 21 Connection of the sanitary water tank field wiring optional Refer to Sanitary water tank optional on page 15 for wiring details Connection of the thermostat cable Connection of the thermostat cable depends on the application See also Typical application examples on page and Room thermostat installation configuration on page 17 for more information and configuration options on pump operation in combination with a room thermostat Thermostat requirements m Power supply 230 V or battery operated Contact voltage 230 V Procedure 1 Connect the thermostat cable to the appropriate terminals as shown on the wiring diagram Heating only thermostat Heating cooling thermostat Terminal block Terminal block HC 23 17 1513 23 17 1513 2 Fix the cable with cable ties to the cable tie mountings to ensure strain relief 3 Set DIP switch 552 3 on the PCB to ON See Room thermostat installation configuration
2. 7 9 1 31511222 228 gt 50 LINE 8 7 2122 230VAC 44444 3 kW START UP AND CONFIGURATION The indoor unit should be configured by the installer to match the installation environment outdoor climate installed options etc and user expertise T It is important that all information in this chapter is read sequentially by the installer and that the system is configured as applicable DIP switch settings overview DIP switch SS2 is located on the switch box PCB see Switch box main components on page 7 and allows configuration of sanitary water tank installation room thermostat connection and pump operation A Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch settings 4321 DIP switch 552 Description ON OFF Default Not installed 1 Not applicable for installer 2 Sanitary water tank Installed installation see Sanitary water tank installation configuration on page 18 Room thermostat room connected thermostat connected 3 Room thermostat connection see Room thermostat installation configuration on page 17 4 Not used Default Room thermostat installation configuration When no room thermostat is connected to the indoor uni
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5. Backup heater contactors K1M and K2M Booster heater contactor K3M only for installations with sanitary water tank Main PCB The main PCB Printed Circuit Board controls the functioning of the unit X13A socket The X13A socket receives the K3M connector only for installations with sanitary water tank DIP switch SS2 The DIP switch SS2 provides 4 toggle switches to configure certain installation parameters See DIP switch settings overview on page 17 X9A socket The X9A socket receives the thermistor connector only for installations with sanitary water tank Backup heater circuit breaker The circuit breaker protects the backup heater electrical circuit against overload or short circuit Booster heater circuit breaker only for installations with sanitary water tank The circuit breaker protects the booster heater in the sanitary water tank against overload or short circuit Cable tie mountings The cable tie mountings allow to fix the field wiring with cable ties to the switch box to ensure strain relief Terminal block The terminal block allows easy connection of field wiring 11a K4M contactor for all unit types except for 3V3 unit type 11b Backup heater terminal block for 3V3 unit type only Functional diagram a A N 15 14 Outdoor unit Indoor unit Expansion vessel Pump Air purge valve Drain valve backup heater vessel Backup heater vessel with backup heater
6. ap an ssep e 20 80 9 SIU YOIYM 0 y Jeu 11018060089 10 5 GD 10 NN uea 39 30 501 1940 39 ONNYY THUIS LV 39 ALINYOINOO JO NOILVEV 1930 39 SHZOOdONWAZ 39 VLINYOINOD1G SNOIZVYVIHOIG 39 QVGINYOINOO 3G NOIVEV 1040 39 7 EKSWW150V3 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system Installation manual CONTENTS Page READ THESE INSTRUCTIONS CAREFULLY BEFORE 118 2 INSTALLATION KEEP THIS MANUAL IN HANDY General 2 PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN nes ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR Accessories supplied with the indoor 2 BE SURE ONLY with the sanitary water tank 2 TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE Typical application examples
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9. thermostat field supply 8 Motorised 3 way valve M1 3 Individual motorised field supply valve to control loop 9 By pass valve FHL1 field supply field supply Pump operation With no thermostat connected to the indoor unit 2 the pump 4 can be configured to operate either as long as the indoor unit is on or until the required water temperature is reached NOTE Details on pump configuration can be found under Em Pump operation configuration on page 18 Space heating The outdoor unit 1 will operate to achieve the target leaving water temperature as set on the user interface When circulation in each space heating loop FHL1 3 is controlled by remotely controlled valves M1 3 it is important to provide a by pass valve 9 to avoid the flow switch safety device from being activated The by pass valve should be selected as such that at all time the minimum water flow as mentioned under Water pipework on page 10 is guaranteed Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 3 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Sanitary heating When sanitary heating mode is enabled either manually by the user or automatically through a schedule timer the target sanitary water temperature will be achieved by a combination of the heat exchanger coil and the electrical booster heater When the sanitar
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13. FHL2 FHL3 1 Outdoor unit 6 Collector field supply 2 Indoor unit 7 Shut off valve 3 Heat exchanger FHL1 3 Floor heating loop 4 Pump field supply 5 Shut off valve T Room thermostat field supply Pump operation and space heating When a room thermostat T is connected to the indoor unit the pump 4 will operate when there is a heating request from the room thermostat and the outdoor unit will start operating to achieve the target leaving water temperature as set on the user interface When the room temperature is above the thermostat set point the outdoor unit and pump will stop operating A Make sure to connect the thermostat wires to the correct terminals see Connection of the thermostat cable on page 14 and to configure the DIP switch toggle switches correctly see Room thermostat installation configuration on page 17 Application 2 Space heating only application without room thermostat connected to the indoor unit The temperature in each room is controlled by a valve on each water circuit Sanitary warm water is provided through the sanitary water tank which 15 connected to the indoor unit AIA O de al 1 Outdoor unit 10 Booster heater 2 Indoor unit 11 Heat exchanger coil 3 Heat exchanger 12 Sanitary water tank 4 Pump FHL1 3 Floor heating loop 5 Shut off valve 6 Collector field supply T1 3 Individual room 7
14. The user interface allows the installer and user to set up use and maintain the unit Heat exchanger Water inlet connection Water outlet connection Refrigerant liquid connection Refrigerant gas connection Pump The pump circulates the water in the water circuit Manometer The manometer allows readout of the water pressure in the water circuit Expansion vessel 10 Backup heater The backup heater consists of an electrical heating element that will provide additional heating capacity to the water circuit if the heating capacity of the outdoor unit is insufficient due to low outdoor temperatures Backup heater vessel The backup heater heats the water in the backup heater vessel Drain and fill valve Drain valve backup heater vessel The drain valve of the backup heater allows draining the remaining water in the backup heater vessel after draining with the drain and fill valve 15 16 17 18 19 20 21 J M 14 Air purge valve Remaining air in the water circuit will be automatically removed via the air purge valve Water filter The water filter removes dirt from the water to prevent damage to the pump or blockage of the evaporator The water filter should be cleaned on a regular base See Maintenance on page 24 Pressure relief valve The pressure relief valve prevents excessive water pressure in the water circuit 23 bar Thermal protector backup heater
15. low outdoor temperature 1 01 High ambient temperature Hi_A high outdoor temperature 1 02 Set point at low ambient temperature Lo_Ti the target outgoing water temperature when the outdoor temperature equals or drops below the low ambient temperature Lo_A Note that the Lo_Ti value should be higher than Hi_Ti as for colder outdoor temperatures i e Lo_A warmer water is required 1 03 Set point at high ambient temperature Hi_Ti the target outgoing water temperature when the outdoor temperature equals or rises above the high ambient temperature Note that the value should be lower than as for warmer outdoor temperatures i e Hi_A less warm water suffices Lo_A Target water temperature Ta Ambient outdoor temperature Shift value Shift value 2 Disinfection function Applies only to installations with a sanitary water tank The disinfection function disinfects the sanitary water tank by periodically heating the sanitary water to a specific temperature The disinfection function field settings should be configured by the installer according to national and local regulations m 2 00 Operation interval day s of the week at which the sanitary water should be heated m 2 01 Status defines whether the disinfection function is turned on 1 or off 0 2 02 Start time time of the day at which the sanitary water should be
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17. del 11 11 AE 11 Sanitary water tank optional renamen renner enn dkansd 15 Main COMP 15 15 installation guideline 16 Installing the Sanitary water 16 Connecting the water circuits ss antennes 16 16 Start up 200 200 0 Den eg 17 DIP switch settings 17 Room thermostat installation configuration 17 Pump operation configuration ienie eenn keel 18 Sanitary water tank installation 18 Pre operation checks 18 Powering up Te indoor Unit sesegera ae 19 Setting the pump speed nenen nnnn 19 en 19 Test run and final check denderende 24 Test run 0213 Ettn nEEEEt 24 alle On 24 TUE E E 24 TRO ece 25 General 25 eeens rannen ennnen ennenen 25 Enor e 26 Technical specifications 27 General orere 27 8 e
18. remember access is required to the electrical box m Provide a connection for the pressure relief valve blow off and drain m The sanitary water tank model EKSWW150V3 2 can be floor wall mounted In case of wall mounting wall mounting kit EKWBSWW150 is required separate ordering Installing the sanitary water tank 1 Check if all sanitary water tank accessories see Accessories on page 2 are enclosed 2 When floor mounting place the sanitary water tank on a level surface When wall mounting only for EKSWW150V3 model make sure the wall is sturdy In both cases make sure the tank is mounted level 3 Screw the thermistor socket in the foreseen threaded thermistor hole in the tank use a thread sealant such as Teflon or similar to make water tight 4 Apply contact glue to the thermistor and insert the thermistor as deep as possible in the thermistor socket Fix using the nut provided Connecting the water circuits NOTE It is important that the 3 way valve is fitted correctly when the 3 way valve is idle not activated the space heating circuit should be selected when the 3 way valve is activated the sanitary heating circuit should be selected 1 Connect the water inlet and water outlet 2 Connect the hot and cold water supply tubes 3 Connect the pressure relief valve field supply opening pressure maximum 10 bar and drain Field wiring A All field wiring and compo
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20. 01 Stop 2 0 10 1 C 7 Sanitary water step length 00 Sanitary water step length 3 2 4 1 C 8 Sanitary water heating mode timer 00 Minimum running time 1 0 5 1 min 01 Maximum running time 30 5 60 5 min 02 Anti recycling time 3 0 10 0 5 hour 9 Cooling and heating set point ranges 00 Heating set point upper limit 55 37555 1 C 01 Heating set point lower limit 30 30 37 1 C 02 Cooling set point upper limit 20 18 20 1 C 03 Cooling set point lower limit 7 7 18 1 C Installation manual 23 DAIKIN EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B TEST RUN AND FINAL CHECK The installer is obliged to verify correct operation of the indoor and outdoor unit after installation MAINTENANCE In order to ensure optimal availability of the unit a number of checks and inspections on the unit and the field wiring have to be carried out at regular intervals Test run operation Procedure 1 2 Push the button 4 times so the TEST icon will be displayed Depending on the indoor unit model heating operation cooling operation or both must be tested as follows when no action is performed the user interface will return to normal mode after 10 seconds or by pressing the button once e To test the heating operation push the amp button so the 2 icon is displayed
21. 3 OFF wiring No thermostat Terminal block HCLN 23 17 15 13 SS2 3 on when space Ul Ul Ul heating cooling is on Terminal block ees HCLN 23 17 15 13 Heating only 552 3 ON on when T 22 2 thermostat e wiring heating request by Terminal block room thermostat i 17 15113 th Thermostat with 552 3 ON on when T T heating cooling heating switch request or Terminal block cooling request HCLN by room 23 17 15 i thermostat th th Thermostat contact C Cooling contact H Heating contact L N 2 a The pump will stop when space heating cooling is turned off or when the water reaches the desired water temperature as set on the user interface With space heating cooling turned on the pump will then run every 5 minutes during 3 minutes Pump operation configuration NOTE To set the pump speed refer to Setting the pump speed page 19 Without room thermostat When no thermostat is connected to the indoor unit pump operation will be determined by the leaving water temperature To force continuous pump operation when no room thermostat is connected do the following set toggle switch SS2 3 to short circuit the terminal numbers 23 17 13
22. Flow switch Shut off valve water outlet field installation 10 11 12 13 14 15 R1T R2T R3T R4T 13 12 11 Shut off valve water inlet filed installation Filter Pressure relief valve Fill and drain valve Manometer Heat exchanger Temperature sensors Installation manual 7 DAIKIN EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B INSTALLATION OF THE INDOOR UNIT Selecting an installation location The unit is to be wall mounted in an indoor location that meets the following requirements Maximum allowable refrigerant piping length between outdoor unit and indoor unit The installation location is frost free The space around the unit is adequate for servicing The space around the unit allows for sufficient air circulation There is a provision for condensate drain only for EKHBX models and pressure relief valve blow off The installation surface is a flat and vertical non combustible wall capable of supporting the operation weight of the unit see Technical specifications on page 27 There is no danger of fire due to leakage of inflammable gas All piping lengths and distances have been taken into consideration 30 m EKHBH heating only model Required service space see figure 4 Setup 1 2200 2400 Setup 2 350 2200 Dimensions see figure 6 1 Hole for p
23. OFF amp 3 8 SETTING 1 Press the button for minimum of 5 seconds enter FIELD SET MODE The SETTING icon 3 will be displayed The current selected field setting code is indicated 2 28 2 with the set value displayed to the right 288 1 2 Press the La button to select the appropriate field setting first code 3 Press the TEMP button to select the appropriate field setting second code prain 4 Press the TIMERLa_ button and TIMERL button to change the set value of the select field setting 5 Save the new value by pressing the amp button 6 Repeat step 2 through 4 to change other field settings as required 7 When finished press the button to exit FIELD SET MODE NOTE Changes made to a specific field setting are only 7 stored when the O amp button is pressed Navigating to new field setting code or pressing the gt button will discard the change made NOTE m Before shipping the set values have been set as shown under Field settings table on page 23 m When exiting FIELD SET MODE 88 may be displayed on the user interface LCD while the unit initialises itself Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 9 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Detailed description 0 User permission level If required certai
24. bracket to the wall using appropriate plugs and screws Make sure the wall mounting bracket is completely level Pay special attention to this when installing an EKHBX model to pre vent overflow of the drain pan Hang the indoor unit on the wall mounting bracket Fix the indoor unit at the bottom side using appropriate plugs and screws To do so the EKHBX models are equipped with 1 fixing hole at the bottom centre of the frame EKHBH models are equipped with 2 holes at the bottom outer edges of the frame Insert 2 mm washer field supply between wall and frame to postion the unit vertically level Installation of the drain pan only for EKHBX models For heating cooling models it is necessary to install the drain pan see Accessories on page 2 During cooling operation water vapour humidity in the air might condense to liquid and collect on the cold refrigerant and water pipes This water is collected in the drain pan which should be connected to a drain For transportation the drain pan is mounted at the back of the unit To remove it proceed as follows 1 Remove tape and remove the screw that fixes the drain pan bracket L shaped to the unit Keep this screw for reuse when installing the drain pan Remove the transport beam from the drain pan by removing the two screws at the back Keep both scre
25. can be read from the graph approximately 410 1 Since the total water volume 350 is below the maximum water volume 410 the expansion vessel suffices for the installation Setting the pre pressure of the expansion vessel When it is required to change the default pre pressure of the expansion vessel 1 bar keep in mind the following guidelines m Use only dry nitrogen to set the expansion vessel pre pressure Inappropriate setting of the expansion vessel pre pressure will lead to malfunction of the system Therefore the pre pressure should only be adjusted by a licensed installer Connecting the water circuit Water connections must be made in accordance with the outlook diagram delivered with the unit respecting the water in and outlet A Be careful not to deform the unit piping by using excessive force when connecting the piping Deformation of the piping can cause the unit to malfunction lf air moisture or dust gets in the water circuit problems may occur Therefore always take into account the following when connecting the water circuit m Use clean pipes only Hold the pipe end downwards when removing burrs m Cover the pipe end when inserting it through a wall so that no dust and dirt enter m Use a good thread sealant for the sealing of the connections The sealing must be able to withstand the pressures and temperatures of the system m When using non brass metallic piping make sure to
26. cooling H heating only Hydro Box European Kit a For exact values refer to Technical specifications on page 27 ACCESSORIES Accessories supplied with the indoor unit See figure 1 Installation manual Operation manual Shut off valve Wall mounting bracket Wiring diagram sticker inside indoor unit cover Drain pan and fixing screws only for EKHBX models N 00 8 Indoor unit cover fixing screw nylon washer Accessories supplied with the sanitary water tank optional See figure 2 1 Thermistor connection wire 12 m 2 Thermistor socket 3 Prewired contactor and circuit breaker assembly 4 Contactor fixing screw EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B TYPICAL APPLICATION EXAMPLES A When the alttherma typamim system is used in series with another heat source e g gas boiler it shall be made sure that the return water temperature to the heat exchanger does not exceed 55 C Daikin shall not be held liable for any damage resulting from not observing this rule The application examples given below are for illustration purposes only Application 1 Space heating only application with a room thermostat connected to the indoor unit NIA 7
27. device has been bypassed 3 Earth wiring Make sure that the earth wires have been connected properly and that the earth terminals are tightened 4 Internal wiring Visually check the switch box on loose connections or damaged electrical components 5 Fixation Check that the unit is properly fixed to avoid abnormal noises and vibrations when starting up the unit EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 1 8 4PW30818 1B 6 Damaged equipment Check the inside of the unit on damaged components or squeezed pipes 7 Refrigerant leak Check the inside of the unit on refrigerant leakage If there is a refrigerant leak call your local Daikin dealer 8 Power supply voltage Check the power supply voltage on the local supply panel The voltage must correspond to the voltage on the identification label of the unit 9 Shut off valves Make sure that the shut off valves are correctly installed and fully open Operating the system with closed valves will damage the pump Powering up the indoor unit When power supply to the indoor unit is turned on is displayed on the user interface during its initialisation which might take up to 10 seconds During this process the user interface cannot be operated Setting the pump speed The pump speed can be selected on the pump see Main c
28. heated 2 03 Set point high water temperature to be reached 2 04 Interval time period defining how long the set point temperature should be maintained Tsww 00 00 01 00 22 00 23 00 24 00 t 2 02 Tsww Sanitary water temperature Ty User set point temperature as set on the user interface Ty High set point temperature 2 03 t Time 3 Auto restart When power returns after a power supply failure the auto restart function reapplies the user interface settings at the time of the power supply failure NOTE It is therefor recommended to leave the auto restart function enabled Note that with the function disabled the schedule timer will not be activated when power returns to the unit after a power supply failure Press the amp button to enable the schedule timer again 3 00 Status defines whether the auto restart function is turned on 0 or off 1 4 Backup heater operation The operation of the backup heater can be enabled or disabled 4 00 Status defines whether backup heater operation 15 enabled 1 or disabled 0 EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 20 4PW30818 1B 5 Equilibrium temperature and space heating priority temperature Equilibrium temperature The equilibrium temperature field settings apply to operation of the back
29. insulate both materials from each other to prevent galvanic corrosion m Because brass is a soft material use appropriate tooling for connecting the water circuit Inappropriate tooling will cause damage to the pipes A The unit is only to be used in a closed water system Application in an open water circuit can lead to excessive corrosion of the water piping Charging water 1 Connect the water supply to the drain and fill valve see Main components on page 6 2 Fill with water until the manometer indicates a pressure of approximately 2 0 bar Remove air in the circuit as much as possible using the air purge valves NOTE m During filling it might not be possible to remove all 7 air in the system Remaining air will be removed through the automatic air purge valves during first operating hours of the system Additional filling with water afterwards might be required m The water pressure indicated on the manometer will vary depending on the water temperature higher pressure at higher water temperature However at all times water pressure should remain above 0 3 bar to avoid air entering the circuit m The unit might dispose some excessive water through the pressure relief valve Piping insulation The complete water circuit inclusive all piping must be insulated to prevent condensation during cooling operation and reduction of the cooling and heating capacity Field wiring W
30. on the terminal block in the switch box With room thermostat When a thermostat is connected to the indoor unit the pump will operate continuously whenever there is heating or cooling demand requested by the thermostat Sanitary water tank installation configuration B When no sanitary water tank is installed ____ toggle switch SS2 2 should be set to OFF 6 4 3 2 1 default m When sanitary water tank is installed ______ toggle switch SS2 2 should be set to ON 5 4321 m gt Te Pre operation checks Checks before initial start up Switch off the power supply before making any connections After the installation of the unit check the following before switching on the circuit breaker 1 Field wiring Make sure that the field wiring between local supply panel and indoor unit outdoor unit and indoor unit indoor unit and valves when applicable indoor unit and room thermostat when applicable and indoor unit and sanitary water tank has been carried out according to the instructions described in the chapter Field wiring 11 according to the wiring diagrams and according to European and national regulations 2 Fuses or protection devices Check that the fuses or the locally installed protection devices are of the size and type specified in the chapter Technical specifications on page 27 Make sure that neither a fuse nor a protection
31. or heating on the room thermostat T This selection is not possible by operating the user interface When space cooling heating is requested by the room thermostat T the pump will start operating and the indoor unit 2 will switch to cooling mode heating mode The outdoor unit 1 will start operating to achieve the target leaving cold hot water temperature In case of cooling mode the motorised 2 way valve 13 will close as to prevent cold water running through the floor heating loops FHL Make sure to connect the thermostat wires to the correct terminals see Connection of the thermostat cable on page 14 and to configure the DIP switch toggle switches correctly see Room thermostat installation configuration on page 17 A Wiring of the 2 way valve 13 is different for a NC normal closed valve and a NO normal open valve Make sure to connect to the correct terminal numbers as detailed on the wiring diagram The ON OFF setting of the heating cooling operation is done by the room thermostat and cannot be done by the user interface on the indoor unit Sanitary heating Sanitary water heating is as described under Application 2 on page 3 Application 4 Space cooling and heating application without a room thermostat connected to the indoor unit but with a heating only room thermostat controlling the floor heating and cooling heating thermostat controlling the fan coil units
32. system 1 6 4PW30818 1B Connections to be made in the indoor unit switch box 3 Mount the prewired contactor and circuit breaker F2B The contactor should be fixed with the two screws supplied 4 Connect the loose ends of the contactor to terminal 7 and 8 on the terminal block and the connector in the socket X13A on the PCB 5 Plug the thermistor cable connector in the socket X9A on the PCB 6 Connect the booster heater power supply and thermal protection cable field supply to terminal 7 8 21 22 and earth on the terminal block 7 Connect the booster heater power supply cable to the circuit breaker F2B and earthing screw 8 Fix the cables to the cable tie mountings with cable ties to ensure strain relief 9 Set DIP switch SS2 2 on the PCB to ON See DIP switch settings overview on page 17 for more information Note only relevant field wiring is shown 000 000 000 100000 9 K3M 1 EER 552 000 1000 000 0000000 2 8 10112 14116 18120 22123 X9A
33. your local Daikin dealer thermistor broken or disconnected LI Electric component failure Contact your local Daikin dealer LH Electric component failure Contact your local Daikin dealer L5 Electric component failure Contact your local Daikin dealer Electric component failure Contact your local Daikin dealer Refrigerant failure due to refrigerant leak Contact your local Daikin dealer Main circuit voltage failure Contact your local Daikin dealer Communication error failure Contact your local Daikin dealer Communication error failure Contact your local Daikin dealer Communication error failure Contact your local Daikin dealer Error code Failure cause Corrective action Di Outlet water temperature Contact your local Daikin dealer thermistor failure outlet water temperature sensor broken 59 Water heat exchanger freeze up Refer to error code 1 failure due water flow too low Water heat exchanger freeze up Contact your local Daikin dealer failure due to refrigerant shortage Flow failure water flow too low Check that all shut valves of the or no water flow at all minimum water circuit are completely open water flow is 9 I min Check if the water filter needs cleaning Make sure there is no air in the system purge air Check on the manometer that there is sufficient water pressure The water pres
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35. 3 SPECIFICALLY DESIGNED FOR USE WITH THE 2 EQUIPMENT AND HAVE THEM INSTALLED pp 15 11 5 IONAL Application 3 nennen ai e a eee PER er ere 4 Manet tren eee econ 4 IF UNSURE OF INSTALLATION PROCEDURES OR USE Overview of the indoor unit annen eenen eneen ennen 5 ALWAYS CONTACT YOUR DAIKIN DEALER FOR Opening the Indoor UN 5 ADVICE AND INFORMATION Main components aneh 6 THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED Se FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT ssiterszassencccactioinaanunnnpopecsnaumovesentaneebaniiesnanaisanntenesnesasmmooeias TEMPERATURES RANGING 0 35 installation of he 8 Selecting an installation location 8 Dimensions and service Space 8 Inspecting handling and unpacking the unit nnn 8 Mo ntingthe MAGER NNT 9 Installation of the pan only for EKHBX 9 Refrigerant pipework 10 Water DIPEWOT K 10
36. ARNING m Switch off the power supply before making any connections A field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations m The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below m Be sure to use a dedicated power supply Never use a power supply shared by another appliance Be sure to establish an earth Do not earth the unit to a utility pipe surge absorber or telephone earth Incomplete earth may cause electrical shock m Be sure to install an earth leakage protector Failure to do so may cause electrical shock Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 1 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Overview The illustration below gives an overview of the required field wiring between several parts of the installation Refer also to Typical application examples on page 3 AIA e 3 way valve for sanitary water tank field supply A Dedicated power supply F for outdoor unit backup heater and booster optional 2 way valve for cooling B Outdoor unit en supply Sanitary water tank D Indoor unit optional E Booster heater optional Room thermo
37. B 007A6V3 6 kW 1 x 230 V EKHB 007A6W1 6 kW 3x 400 V EKHB 007A9W1 9 kW 3x 400 EKHB 007A6T1 6 kW 3 x 230 V EKHB 007A9T1 9 kW 3 x 230 V hen HOOD OP Heat pump capacity Required heating capacity site dependent Additional heating capacity provided by the backup heater N Equilibriumtemperature can be set through the user interface refer to Field settings on page 19 Ambient outdoor temperature Heating capacity Sanitary water tank option An optional EKSWW sanitary water tank with integrated 3kW electrical booster heater can be connected to the indoor unit The sanitary water tank is available in three sizes 150 200 and 300 litre All models can be floor mounted while the 150 litre model can be wall mounted as well via option kit EKWBSWW150 Scope of this manual This installation manual describes the procedures for unpacking installing and connecting all EKHBH X indoor unit models and the optional EKSWW sanitary water tanks NOTE Installation of the ERYQ heat pump outdoor is 7 described in the outdoor unit installation manual Operation of the indoor unit is described in the indoor unit operation manual Model identification Backup heater nominal voltage 1P 230 V W1 400 V T1 230 V Backup heater capacity kW Series Indication of heating cooling capacity kW X heating and
38. ERT 27 Sanitary water tank specifications 27 Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B INTRODUCTION General information Thank you for purchasing this attherma vy indoor unit The attherma ppamm indoor unit is the indoor part of the reversible air to water Daikin ERYQ heat pumps These units are designed for wall mounted indoor installation and used for both heating and cooling applications The units can be combined with Daikin fan coil units floor heating applications low temperature radiators and sanitary water heating applications Heating cooling units and heating only units The attherma typaman indoor unit range consists of two main versions a heating cooling EKHBX version and a heating only EKHBH version Both versions are delivered with an integrated backup heater for additional heating capacity during cold outdoor temperatures The backup heater also serves as a backup in case of malfunctioning of the outdoor unit The backup heater models are available for a heating capacity of 3 6 and 9 kW and depending on the heating capacity for three different power supply specifications Backup heater Indoor unit model Backup heater capacity nominal voltage EKHB 007A3V3 3 kW 1 x 230 V EKH
39. Heating is provided through floor heating loops and fan coil units Cooling is provided through the fan coil units only 1 2314 5 si 13 12 FCU3 HK KH 1 Bike i 5 10 11 FHL2 1 c gt gt 12 i Z i i 2 3 a i Ke j 1 Outdoor unit 10 Booster heater gt 2 Indoor unit 11 Heat exchanger coil 3 Heat exchanger 12 Sanitary water tank 4 Pump 13 Motorised 2 way valve 5 Shut off valve field supply 6 Collector field supply FCU1 3 Fan coil unit field supply 7 Shut off valve FHL1 3 Floor heating loop 8 Motorised 3 way valve field supply field supply T Room thermostat with cooling heating switch field supply EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4 4PW30818 1B 1 Outdoor unit 14 Motorised 2 way valve for 2 Ind it activation of the room thermostat field supply 3 Heat exchanger 4 Pump FCU1 3 Fan coil unit with 5 Shier valve thermostat field supply 6 Collector field supply FHL1 3 Floor heating loop field 7 Shut off valve supply 9 By pass valve field T Heating only room supply thermostat field supply 13 Motorised 2 way valve 4 6 Individual room to shut off the floor thermostat for fan coil heating loops during heated cooled room field cooling operati
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41. The backup heater is equipped with a thermal protector The thermal protector is activated when the temperature becomes too high When activated the white nipple juts out Press inwards to reset Temperature sensors Three temperature sensors determine the water temperature at various points in the water circuit Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against freezing and the pump against damage Shut off valves accessory not shown The shut off valves on the water inlet connection and water outlet connection allow isolation of the indoor unit water circuit side from the residential water circuit side This facilitates draining and filter replacement of the indoor unit EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B DAIKIN Installation manual Switch box main components 10 10
42. To start the test run operation press the button test the cooling operation push the 214 button so the icon is displayed To start the test run operation press the button e To test the sanitary operation push the button The test run operation will start without pressing the ams button The test run operation will end automatically after 30 minutes or when reaching the set temperature The test run operation can be stopped manually by pressing the button once If there are misconnections or malfunctions an error code will be displayed on the user interface Otherwise the user interface will return to normal operation To resolve the error codes see Error codes on page 26 NOTE button 1 time Push the button again 4 times to To display the last resolved error code push the return to normal mode NOTE oo It is not possible to test run if a forced operation from the outdoor unit is in progress Should forced operation be started during a test run the test run will be aborted Final check Before switching on the unit read following recommendations When the complete installation and all necessary settings have been carried out close all front panels of the unit and refit the indoor unit cover The service panel of the switch box may only be opened by a licensed electrician for maintenance purposes A m Before carrying out any maintenance or repair
43. ace heating priority status field setting 5 02 is enabled Raise the space heating priority temperature field setting 5 03 to activate booster heater operation at a higher outdoor temperature Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 2 5 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Error codes When a safety device is activated the user interface LED will be flashing and an error code will be displayed A list of all errors and corrective actions can be found in the table below Reset the safety by turning the unit OFF and back ON In case this procedure for resetting the safety is not successful Instruction to turn the unit OFF User interface mode Error code Failure cause Corrective action heating cooling Sanitary water Push the Push the 2k heating mode A button A button ON ON 1 time 1 time ON OFF 1 time OFF ON 1 time OFF OFF contact your local Daikin dealer Overcurrent failure Check that the unit is operating within its operating range refer to Technical specifications on page 27 Cooling heating switching failure Contact your local Daikin dealer only for models with cooling and heating Sanitary water temperature too Check that the contactor of the electri
44. ackup heater power supply is correct Check that the backup heater fuse is closed Symptom 3 Pump is making noise cavitation POSSIBLE CAUSES There is air in the system CORRECTIVE ACTION Purge air Water pressure at pump inlet is too low Check on the manometer that there 15 sufficient water pressure The water pressure must be gt 0 3 bar water is cold gt gt 0 3 bar water is hot Check that the manometer is not broken Check that the expansion vessel is not broken Check that the setting of the pre pressure of the expansion vessel is correct refer to Setting the pre pressure of the expansion vessel on page 11 Symptom 4 The water pressure relief valve opens POSSIBLE CAUSES CORRECTIVE ACTION The expansion vessel is broken Replace the expansion vessel The water volume in the installation is too high Make sure that the water volume in the installation is under the maximum allowed value refer to Checking the water volume and expansion vessel on page 10 Symptom 5 The water pressure relief valve leaks POSSIBLE CAUSES CORRECTIVE ACTION Dirt is blocking the water pressure relief valve outlet Check for correct operation of the pressure relief valve by turning the red knob on the valve counter clockwise If you do not hear clacking sound contact your local Daikin
45. activity always switch off the circuit breaker on the supply panel remove the fuses or open the protection devices of the unit m Make sure that before starting any maintenance or repair activity also the power supply to the outdoor unit is switched off The described checks must be executed at least once a year 1 Water pressure Check if the water pressure is above 0 3 bar If necessary add water Water filter Clean the water filter Water pressure relief valve Check for correct operation of the pressure relief valve by turning the red knob on the valve counter clockwise f you do not hear clacking sound contact your local Daikin dealer m in case the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact your local Daikin dealer Sanitary water tank pressure relief valve field supply Applies only to installations with a sanitary water tank Check for correct operation of the pressure relief valve on the sanitary water tank Sanitary water tank booster heater Applies only to installations with a sanitary water tank It is advisable to remove lime buildup on the booster heater to extend its life span especially in regions with hard water To do so drain the sanitary water tank remove the booster heater from the sanitary water tank and immerse in a bucket or similar with lime removing product for 24 hours Indoor unit switch box m Ca
46. c high gt 89 C booster heater is not short circuited Check that the sanitary water thermistor is giving the correct read out FJ Too high discharge temperature Clean the outdoor coil If the coil e g due to outdoor coil is clean contact your local blockage Daikin dealer FG Too high condensing pressure Clean the outdoor coil If the coil during cooling e g due to is clean contact your local outdoor coil blocked by dirt Daikin dealer Too high condensing pressure Check that the unit is operating during cooling e g due to unit within its operating range refer operating outside its operating to Technical specifications on range page 27 FH High pressure failure due to unit Check that the unit is operatin gn p p g operating outside its operating within its operating range refer range to Technical specifications on page 27 Voltage and current sensor Contact your local Daikin dealer failure sensor broken Ho Compressor start up failure Check that the compressor relay compressor or PCB is not broken Check that the supply voltage is not too low Check that the refrigerant stop valves on the outdoor unit are open CT failure Contact your local Daikin dealer Outdoor temperature thermistor Contact your local Daikin dealer failure outdoor thermistor is broken us Discharge pipe thermistor failure Contact your local Daikin dealer Jb Outdoor unit heat exchanger Contact
47. ckup heater step 2 Contactor booster heater Contactor backup heater MUP cc Pump 25 2 way valve for cooling mode 3 way valve floor heating sanitary warm water OD Earth leakage protector OIL eee Thermal protector backup heater 021 Thermal protector booster heater R1T A1P Outlet water heat exchanger thermistor R1T A2P Thermistor air R2T Outlet water backup heater thermistor Refrigerant liquid side thermistor RAT Inlet water thermistor RST SWW sanitary warm water thermistor Maree eee eres Flow switch MAT nnee Transformer 24 V for PCB Spark suppression 1 V29 Spark suppression 2 1 Terminal strip Standard part Applications with sanitary water tank only Heating cooling applications only Field wiring guidelines m Most field wiring on the indoor unit side is to be made on the terminal block inside the switch box To gain access to the terminal block remove the indoor unit cover and switch box service panel see Opening the indoor unit on page 5 m Cable tie mountings are provided at the bottom of the switch box Fix all cables using cable ties A dedicated power circuit is required for the backup heater Installations equipped with a sanitary water tank optional requ
48. dealer In case the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact your local Daikin dealer Symptom 6 The user interface displays NOT AVAILABLE when pressing certain buttons POSSIBLE CAUSES CORRECTIVE ACTION The current permission level is set to a level that prevents using the pressed button Change the user permission level field setting 0 00 see Field settings on page 19 Symptom 7 Space heating capacity shortage at low outdoor temperatures POSSIBLE CAUSES CORRECTIVE ACTION Backup heater operation is not activated Check that the backup heater operation status field setting 4 00 is turned on see Field settings on page 19 Check whether or not the thermal protector of the backup heater has been activated refer to Main components Thermal protector backup heater on page 6 for location of the reset button The backup heater equilibrium temperature has not been configured correctly Raise the equilibrium temperature field setting 5 01 to activate backup heater operation at a higher outdoor temperature Too much heat pump capacity is used for heating sanitary water applies only to installations with a sanitary water tank Check that the space heating priority temperature field settings are configured appropriately Make sure that the sp
49. etting at variance with default value Value value Default Value Date 0 User permission level 00 User permission level 3 2 3 1 1 Weather dependent set point 00 Low ambient temperature Lo_A 10 20 5 1 C 01 High ambient temperature 15 10 20 1 C 02 Set point at low ambient temperature Lo_ TI 40 28555 1 C 03 Set point at high ambient temperature 25 25 55 1 C 2 Disinfection function 00 Operation interval Fri Mon Sun 01 Status 1 ON 0 1 02 Start time 23 00 0 00 23 00 1 00 hour 03 Set point 70 40 80 5 C 04 Interval 10 5 60 5 min 3 Auto restart 00 Status 0 ON 0 1 4 Backup heater operation 00 Status 1 ON 0 1 5 Equilibrium temperature and space heating priority temperature 00 Equilibrium temperature status 1 ON 0 1 01 Equilibrium temperature 0 15 20 1 C 02 Space heating priority status 0 OFF 0 1 03 Space heating priority temperatures 0 15 20 1 C 04 Set point correction for sanitary water temperature 10 0 20 1 C 6 DT for sanitary water heating 00 Start 7 0 20 1 C
50. fference determining the heat pump ON temperature Typ on See illustration m 6 01 Stop temperature difference determining the heat pump OFF temperature Typ orr See illustration Ty gt THP Ty lt THP 1 70 C 45 TCC U TCC U 59 6 01 2 2 6 01 2 C 704 Ty 6 00 7 6 00 7 50 50 Typ max 16 01 48 Tup oFF 45 Tup ore 41 THP 6 00 38 Tupon Ty User set point temperature as set on the user interface THP MAX Maximum heat pump temperature at sensor in sanitary water tank 50 C THP OFF Heat pump OFF temperature THP ON Heat pump ON temperature Ty 5 03 Sanitary water set point temperature Ty User set point as set on the user interface Ta Ambient outdoor temperature Space heating priority Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 2 1 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B 7 Sanitary water step length Applies only to installations with a sanitary water tank When the sanitary water is heated and the sanitary water set point temperate as set by the user has been reached the booster heater will continue to heat the sanitary water to a temperature a few degrees above the set point temperature i e the booster heater OFF temperature These extra degrees are specified by the sanitary water ste
51. ire a dedicated power circuit for the booster heater Please refer to Sanitary water tank optional on page 15 for all wiring specifications EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 1 2 4PW30818 1B Only for EKHBX heating cooling models m The mounting plate of indoor unit is equipped with 2 holes to guide all electrical wiring out of the unit use the left hole 1 for all power supply cables thermostat cable optional 3 way valve cable optional and 2 way valve cable optional use the right hole 2 for the thermistor cable to sanitary water tank optional 2 2 me 15 Only for heating only models m The bottom plate of indoor unit is equipped with 3 holes to guide all electrical wiring out of the unit use both bottom left holes 1 for all power supply cables thermostat cable optional 3 way valve cable optional and 2 way valve cable optional use the second hole 2 for the thermistor cable to sanitary water tank optional pa Lana ZEN Connection of the indoor unit power supply and communication cable Power circuit and cable requirements Power suppl
52. is calculated as below Pg H 10 0 3 bar Checking the maximum allowed water volume To determine the maximum allowed water volume in the entire circuit proceed as follows 1 Determine for the calculated pre pressure Pg the corresponding maximum water volume using the graph below 2 Check that the total water volume in the entire water circuit is lower than this value If this is not the case the expansion vessel inside the indoor unit is too small for the installation pre pressure bar 010 50 100 150 200 250 300 350 400 450 maximum water volume I pre pressure pre pressure maximum water volume maximum water volume Example 1 The indoor unit is installed 5 m below the highest point in the water circuit The total water volume in the water circuit is 100 In this example no action or adjustment is required EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 1 0 4PW30818 1B Example 2 The indoor unit is installed at the highest point in the water circuit The total water volume in the water circuit is 350 I Result Since 3501 is higher than 2801 the pre pressure must be decreased see table above m The required pre pressure 15 Pg H 10 0 3 bar 0 10 0 3 bar 0 3 bar m The corresponding maximum water volume
53. n dealer ES Overload activation of Check that the unit is operating compressor within its operating range refer to Technical specifications on page 27 Contact your local Daikin dealer Eb Compressor start up failure Contact your local Daikin dealer Fan lock failure fan is locked Check if the fan is not obstructed by dirt If the fan is not obstructed contact your local Daikin dealer EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B DAIKIN Installation manual 26 TECHNICAL SPECIFICATIONS General Heating cooling models EKHBX Heating only models EKHBH Nominal capacity refrigerant liquid side refrigerant gas side Expansion vessel cooling Refer to the Technical Data heating Refer to the Technical Data Dimensions H x W x D 936 x 487 x 461 895 x 487 x 361 Weight machine weight 65 kg 55 kg operation weight 80 kg 70 kg Connections water inlet outlet 1 1 water drain hose nipple hose nipple 26 4 mm 1 4 inch 015 9 mm 5 8 inch 26 4 mm 1 4 inch 015 9 mm 5 8 inch Volume 10 10 Maximum working pressure MWP 3 bar 3 bar Pump Type water cooled water cooled no of speed 3 3 Sound pressure level 27 dBA 27 dBA Internal water volume 2 2 Pressure relief valve
54. n user interface buttons can be made unavailable for the user Three permission levels are defined see the table below Switching between level 1 and level 2 3 is done by pressing the buttons TIMERL_4 and OTIMERC immediately followed by the buttons f DE for at least 5 seconds in normal mode Note that no indication on the user interface is given When level 2 3 is selected the actual permission level either level 2 or level 3 15 determined by the field setting 0 00 Permission level Button 1 2 3 Silent mode button A operable Weather dependent ZI 2 2 set point button Oz epee Schedule timer enable OV operable operable Programming button D operable Time adjust buttons OTIMER operable OTIMER p Cv Inspection test 2 2 operation button oporane 1 Weather dependent set point heating operation only The weather dependent set point field settings define the parameters for the weather dependent operation of the unit When weather dependent operation is active the water temperature is determined automatically depending on the outdoor temperature colder outdoor temperatures will result in warmer water and vice versa During weather dependent operation the user has the possibility to shift up or down the target water temperature by a maximum of 5 C See the operation manual for more details on weather dependent operation 1 00 Low ambient temperature Lo
55. nd cable requirements A Be sure to use a dedicated power circuit for the backup heater Never use a power circuit shared by another appliance m Use one and same dedicated power supply for the outdoor unit indoor unit backup heater and booster heater sanitary water tank This power circuit must be protected with the required safety devices according to local and national regulations Select the power cable in accordance with relevant local and national regulations For the maximum running current of the backup heater refer to the table below Maximum running current Backup heater Backup heater Indoor unit model nominal voltage capacity EKHB 00 A3V3 3 kW 1 x 230 V 13 A EKHB 00 A6V3 6 kW 1 x 230 V 26 A EKHB 00 A6W1 6 kw 3 400 V 8 6 A EKHB 00 A9W1 9 kW 3 400 V 13 A EKHB 00 A6T1 6 kW 3 x 230 V 15 A EKHB 00 A9T1 9 kW 3 x 230 V 23 A Procedure 1 Using the appropriate cable connect the power circuit to the main circuit breaker as shown on the wiring diagram and the illustration below 2 Connect the earth conductor yellow green to the earthing screw on the switch box mounting plate 3 Fixthe cable with cable ties to the cable tie mountings to ensure strain relief Note only relevant field wiring is shown 3 phase backup heater is shown 000 100000
56. nents must be installed by a licensed electrician and must comply with relevant European and national regulations m The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below m The sanitary water tank must be earthed via the indoor unit Power circuit and cable requirements A m Be sure to use a dedicated power circuit Never use a power circuit shared by another appliance m Use one and same dedicated power supply for the outdoor unit indoor unit backup heater and sanitary water tank For cable requirements and specifications refer to Field wiring on page 11 NOTE Select the power cable in accordance with relevant 7 local and national regulations Thermistor cable The distance between the thermistor cable and power supply cable must always be at least 5 cm to prevent electromagnetic interference on the thermistor cable Procedure A Switch off the power supply before making any connections Connections to be made in the sanitary water tank electrical box 1 Connect the booster heater power supply and thermal protection cable as show in the wiring diagram below 2 Make sure to ensure strain relief of the cable 000 84444 817 BLK Black BRN Brown EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump
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58. of maximum 10 bar must be connected to the pressure relief valve connection Outlook diagram 3 4 BSP j 1 2 BSP 5 2 3 4 5 Hot water connection Threaded thermistor hole 1 Hot water connection Flow inlet connection see also Installation guidelines on 2 Pressure relief valve connection page 16 regarding pipe size to use 3 Electrical box 4 Return outlet connection see also Installation guidelines on page 16 regarding pipe size to use 4 Electrical box lid 5 Cold water connection 5 Booster heater 6 Threaded thermistor hole Sanitary water tank model H 7 Flow inlet connection EKSWW150V3 900 col EKSWW200V3 Z2 1150 9 Return outlet connection EKSWW300V3 Z2 1600 10 Cold water connection Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 5 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Installation guidelines Keep in mind the following guidelines when installing the sanitary water tank The installation location is frost free m Make sure to make the piping in size 1 or more and reduce to 3 4 at the inlet of the tank as to have sufficient water volume in the piping between indoor unit and sanitary water tank m Locate the sanitary water tank in a suitable position to facilitate easy of maintenance
59. omponents on page 6 The default setting is highest speed 11 If the water flow in the system is too high e g noise of running water in the installation the speed can be lowered I or Il The available external static pressure ESP expressed in 0 in function of the water flow l min is shown in the graph below 7 6 ESP mH 0 3 7 9 11 131517 19 21 23 25 27 29 31 33 35 37 39 Field settings The indoor unit should be configured by the installer to match the installation environment outdoor climate installed options etc and user demand Thereto a number of so called field settings are available These field settings are accessible and programmable through the user interface on the indoor unit Each field setting is assigned a 3 digit number or code for example 5 03 which is indicated on the user interface display The first digit 5 indicates the first code or field setting group The second and third digit 03 together indicate the second code A list of all field settings and default values is given under Field settings table on page 23 In this same list we provided for 2 columns to register the date and value of altered field settings at variance with the default value A detailed description of each field setting is given under Detailed description on page 20 Procedure To change one or more field settings proceed as follows ON
60. on LED is lit but the unit is not heating or cooling as expected POSSIBLE CAUSES CORRECTIVE ACTION The temperature setting is not correct Check the controller set point Check that all shut off valves of the water circuit are completely open Check if the water filter needs cleaning Make sure there 15 no air in the system purge air Check on the manometer that there is sufficient water pressure The water pressure must be gt 0 3 bar water is cold gt gt 0 3 bar water is hot Check that the pump speed setting is on the highest speed 111 Make sure that the expansion vessel is not broken Check that the resistance in the water circuit is not too high for the pump refer to Setting the pump speed on page 19 The water flow is too low Make sure that the water volume in the installation is above the minimum required value refer to Checking the water volume and expansion vessel on 10 The water volume in the installation is too low Symptom 2 The unit is turned on but the compressor is not starting space heating or sanitary heating POSSIBLE CAUSES CORRECTIVE ACTION The unit must start up out of its operation range the water temperature is too low In case of low water temperature the system utilizes the backup heater to reach the minimum water temperature first 15 C Check that the b
61. on field supply supply Pump operation With no thermostat connected to the indoor unit 2 the pump 4 can be configured to operate either as long as the indoor unit is on or until the required water temperature is reached NOTE Details on pump configuration can be found under 7 Pump operation configuration 18 Space heating and cooling According to the season the customer will select cooling or heating through the user interface on the indoor unit The outdoor unit 1 will operate in cooling mode or heating mode to achieve the target leaving water temperature With the unit in heating mode the 2 way valve 13 is open Hot water is provided to both the fan coil units and the floor heating loops With the unit in cooling mode the motorised 2 way valve 13 is closed to prevent cold water running through the floor heating loops FHL A When closing several loops in the system by remotely controlled valves it might be required to install a by pass valve 9 to avoid the flow switch safety device from being activated See also Application 2 on page 3 A Wiring of the 2 way valve 13 is different for a NC normal closed valve and a NO normal open valve Make sure to connect to the correct terminal numbers as detailed on the wiring diagram The ON OFF setting of the heating cooling operation is done by the user interface on the indoor unit OVERVIEW OF THE INDOOR UNIT O
62. on page 17 for more information Connection of the valve control cables Valve requirements m Power supply 230 V AC Maximum running current 100 mA Wiring the 2 way valve 1 Using the appropriate cable connect the valve control cable to the appropriate terminals as shown on the wiring diagram NOTE Wiring is different for a NC normal closed valve 7 and NO normal open valve Make sure to connect to the correct terminal numbers as detailed on the wiring diagram and illustrations below Normal closed NC 2 way valve Normal open NO 2 way valve 14 16 18 14 16 18 L 3 2 NC ge NO 2 Fix the cable s with cable ties to the cable tie mountings to ensure strain relief Wiring the 3 way valve 1 Using the appropriate cable connect the valve 19 20 control cable to the appropriate terminals as shown on the wiring diagram The 3 way valve should be fitted as such that L when the 3 way valve is idle not activated the space heating circuit is selected 2 Fix the cable s with cable ties to the cable tie mountings to ensure strain relief EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 1 4 4PW30818 1B SANITARY WATER TANK OPTIONAL A The total vy parkin system indoor unit and outdoor unit i
63. onnection FBSP Female British Standard 4 Refrigerant liquid Pipa MBSP Male British Standard Pipe Inspecting handling and unpacking the unit The indoor unit is packed in a cardboard box fixed by straps on a wooden pallet At delivery the unit should be checked and any damage should be reported immediately to the carrier claims agent Check if all indoor unit accessories see Accessories page 2 are enclosed Bring the unit as close as possible to its final installation position its original package in order to prevent damage during transport The indoor unit weights approximately 55 65 kg and should be lifted by two persons using the four lifting handles provided A Do not grasp the switch box to lift the unit Two lifting handles are provided behind the switch box 7 mA 7 7777777777777 7777777777777777 A A I A P I A I I I 2 I F PA PA PA Pd PA PA A 2 ao 27 lt lt gt NO EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B DAIKIN Installation manual Mounting the indoor unit A The weight of the indoor unit is approximately 55 65 kg Two persons are required to mount the unit Fix the wall mounting
64. ower supply 5 Drain of the pressure cables relief valve Water inlet connection Water outlet connection Refrigerant liquid Hole for thermistor cable connection to sanitary water tank Refrigerant gas FBSP Female British Standard connection Pipe MBSP Male British Standard Pipe Minimum required refrigerant piping length between outdoor unit and indoor unit Maximum allowable height difference between outdoor unit and indoor unit Maximum allowable distance between the 3 way valve and the indoor unit only for installations with sanitary water tank Maximum allowable distance between the sanitary water tank an the indoor unit only for installations with sanitary water tank The thermistor cable supplied with the sanitary water tank is 12 m in length 10m NOTE If the installation is equipped with a sanitary water tank optional please refer to Sanitary water tank optional on page 15 for additional guidelines and requirements Dimensions and service space models Wall bracket dimensions 286 heating cooling model Required service space see figure 3 Setup 1 gt 200 gt 2400 Setup 2 gt 350 2200 Dimensions see figure 5 1 Hole for power supply 5 Refrigerant gas cables connection 2 Hole for thermistor cable 6 Water outlet connection to sanitary water tank 7 Water inlet c
65. p length field setting Correct setting prevents the booster heater from repeatedly turning on and off i e chattering to maintain the sanitary water set point temperature Note the booster heater will turn back on when the sanitary water temperature drops 2 C fixed value below the booster heater OFF temperature NOTE f the schedule timer for booster heater see the 7 operation manual is active the booster heater will only operate if allowed by this schedule timer m 7 00 Sanitary water step length temperature difference above the sanitary water set point temperature before the booster heater is turned off 8 Sanitary water heating mode timer Applies only to installations with a sanitary water tank The sanitary water heating mode timer field settings defines the minimum and maximum sanitary water heating times and minimum time between two sanitary water heating cycli m 8 00 Minimum running time specifies the minimum time period during which sanitary water heating should be activated even when the target sanitary water temperature has already been reached 8 01 Maximum running time specifies the maximum time period during which sanitary water heating can be activated even when the target sanitary water temperature has not yet been reached Note that when the unit is configured to work with a room thermostat refer to thermostat installation configuration on
66. page 17 the maximum running timer will only be taken into account when there is a request for space cooling or space heating When there is no request for room cooling or room heating sanitary water heating by the heat pump will continue until the heat pump OFF temperature Tsww see field settings 5 is reached When no room thermostat A 9 T 7 00 a is installed the timer is always taken into account BOEF aca oe ne 8 02 Anti recycling time specifies the minimum required Te es gas interval between two sanitary water heating cycli 60 Krant T Tapon Bp a 7 Tp 17 40 a le ee 30 en En 20 70 C 6 HP 125 10 6 01 2 fa 6 00 7 C 2 0 gt 8 01 8 02 i t 1 Sanitary water heating active 0 not active BH Booster heater 2 Hot water request request 0 no request HP Heat pump If heating up time by the heat pump takes too long auxiliary heating by the booster heater can take place t Time TBH OFF Booster heater OFF temperature Ty 7 00 9 Cooling and heating set points T Booster heater ON temperature T 2 C 4 TBH OFF The purpose of this field setting is to prevent the user from selecting Typ max Maximum heat pump tempe
67. pening the indoor unit m The front flap on the indoor unit cover gives access to the manometer and user interface and is equipped with a push lock system Push to open the front flap m The indoor unit cover can be removed by removing the 2 side screws and unhitching the cover Model shown EKHBX A Make sure to fix the cover with the screws and nylon washers when installing the cover screws and nylon washers are delivered as accessory A Parts inside the unit can be hot lo gain access to the switch box internals e g to connect the field wiring the switch box service panel can be removed Thereto loosen the two front screws and remove the switch box service panel A Switch off all power supply i e outdoor unit power supply and backup heater and sanitary water tank power supply if applicable before removing the switch box service panel Model shown EKHBX 11115144 Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 5 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Main components Model shown drain pan not shown for clarity oN 0 02 10 11 12 13 14 19 16 2171 4 6 Switch box The switch box contains the main electronic and electrical parts of the indoor unit User interface
68. ptional EKSWW150V3 EKSWW200V3 Volume 150 200 Overall dimensions 580 900 580 1150 Booster heater power supply 230 V 50 Hz 1 230 50 Hz 1 Booster heater running current 13A 13A Booster heater capacity 3 kW 3 kW Connections 3 4 FBSP 3 4 Weight empty 37 kg 45 kg Mounting Wall or floor Floor EKSWW300Z2 300 580 x 1600 mm 400 V 50 Hz 2P EKSWW200Z2 200 580 x 1150 mm 400 V 50 Hz 2P EKSWW300V3 300 580 x 1600 230 50 Hz 1 7 5 13A 7 5 3 kW 3 kW 3 kW 3 4 FBSP 3 4 FBSP 3 4 FBSP 45 kg 59 kg 59 kg Floor Floor Floor a FBSP Female British Standard Pipe Installation manual DAIKIN 27 EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B 5 DAIKIN EUROPE NV Zandvoordestraat 300 B 8400 Oostende Belgium 4PW30818 1B
69. rature at sensor in sanitary a wrong i e too hot too cold leaving water temperature Thereto water tank 50 C the heating temperature set point range and the cooling temperature THP OFF Heat pump OFF temperature Typ max 6 01 set point range available to the user can be configured THP ON Heat pump ON temperature Typ 6 00 ov Sanitary water temperature A In case ofa floor heating application it is important to limit the maximum leaving water temperature Ty User set point temperature as set on the user interface heating operation according to the specifications of t Time the floor heating installation Incase of a floor cooling application it is important to limit the minimum leaving water temperature at cooling operation to 16 C to prevent condensation on the floor m 9 00 Heating set point upper limit maximum leaving water temperature for heating operation m 9 01 Heating set point lower limit minimum leaving water temperature for heating operation m 9 02 Cooling set point upper limit maximum leaving water temperature for cooling operation m 9 03 Cooling set point lower limit minimum leaving water temperature for cooling operation EKHBH X007A EKSWW150 300V3 Z2 DAIKIN Installation manual Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 2 2 4PW30818 1B Field settings table First code Second code Setting name Installer s
70. rry out a thorough visual inspection of the switch box and look for obvious defects such as loose connections or defective wiring Check for correct operation of contactors K1M K2M appilcations with sanitary water tank only and K4M by use of an ohmmeter All contacts of these contactors must be in open position EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Installation manual 24 DAIKIN TROUBLESHOOTING This section provides useful information for diagnosing and correcting certain troubles which may occur in the unit General guidelines Before starting the troubleshooting procedure carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring Before contacting your local Daikin dealer read this chapter carefully it will save you time and money When carrying out an inspection on the switch box of the unit always make sure that the main switch of the unit is switched off When a safety device was activated stop the unit and find out why the safety device was activated before resetting it Under no circumstances safety devices may be bridged or changed to a value other than the factory setting If the cause of the problem cannot found call your local Daikin dealer General symptoms Symptom 1 The unit is turned
71. s designed for combination with an altherma y parkin Sanitary water tank In case another tank is being used in combination with the altherma y park n indoor unit Daikin cannot guarantee neither good operation nor reliability of the system For those reasons Daikin cannot give warranty of the system in such case m For safety reasons it is not allowed to add ethylene glycol to the water circuit Adding ethylene glycol might lead to contamination of the sanitary water if a leakage would occur in the heat exchanger coil m The sanitary hot water at the hot water connection cannot be used for human consumption Main components Safety devices m Thermal protector The booster heater in the sanitary water tank is equipped with a thermal protector The thermal protector is activated when the temperature becomes too high When activated the protector has to be reset on the sanitary water tank by pressing the red button for access remove the electrical box lid A The electrical box lid must only be opened by a licensed electrician Switch off the power supply before opening the electrical box lid m Pressure relief valve A pressure relief valve field supply in accordance with relevant local and national regulations and with an opening pressure
72. stat field supply optional Required number of Maximum Description conductors running current 1 Power supply cable for outdoor 2 GND a unit 2 Indoor unit power supply and 3 GND b communication cable 3 Power supply cable for backup 2 GND or c heater 3 GND 4 Room thermostat cable 4 100 mA 5 3 way valve control cable 2 GND 100 mA 6 2 way valve control cable 2 GND 100 mA 7 Booster heater power supply 4 GND 13A and thermal protection cable 8 Thermistor cable 2 d 9 Booster heater power supply 2 GND 13A cable a Refer to nameplate on outdoor unit 0 If length lt 10 cable section 1 5 mm if length gt 10 m cable section 2 5 mm c See table under Connection of the backup heater power supply on page 14 d The thermistor and connection wire 12m are delivered with the sanitary water tank Internal wiring Parts table Refer to the internal wiring diagram supplied with the unit inside the indoor unit cover The abbreviations used are listed below PNP senen Main PCB Remote controller PCB user interface art Thermostat field supply PC internal Power Circuit a Backup heater element 1 E2H ensen Backup heater element 2 l g EE Backup heater element 3 E4H Booster heater F Fuse backup heater Fuse booster heater Fuse 3 15 250 V Contactor backup heater step 1 K2M Contactor ba
73. sure must be gt 0 3 bar water is cold gt gt 0 3 bar water is hot Check that the pump speed setting 15 on the highest speed Ill Make sure that the expansion vessel is not broken Check that the resistance in the water circuit is not too high for the pump refer to Setting the pump speed on page 19 If this error occurs at defrost operation during space heating or sanitary heating make sure that the backup heater power supply is wired correctly and that fuses are not blown BH Outlet water temperature of Check that the contactor of the electric in r uni high gt 65 backup heater is not short circuited door unit too g 65 C Check that the outlet water thermistor is giving the correct read out Hi Indoor unit PCB defective Contact your local Daikin dealer AS Too low during cooling Contact your local Daikin dealer operation or to high during heating operation refrigerant temperature measured by R3T AA Booster heater thermal protector Reset the thermal protector is open refer to Safety devices on applies only to installations with page 15 for location of the reset a sanitary water tank button LU Flow switch failure flow switch Check that the flow switch is not remains closed while pump is clogged with dirt stopped LH Heat exchanger thermistor Contact your local Daikin dealer failure heat exchanger temperature sensor broken El Outdoor unit PCB defective Contact your local Daiki
74. t toggle switch SS2 3 should be set to OFF m When a room thermostat is connected to the indoor unit toggle switch SS2 3 should be set to ON ON OFF ON OFF NOTE When a room thermostat is connected to the 7 indoor unit the heating and cooling schedule timers are never available Other schedule timers are not affected For more information on the schedule timers refer to the operation manual m When a room thermostat is connected to the indoor unit and the 2 button or button is pressed the centralised control indicator LA will flash to indicate that the room thermostat has priority and controls on off operation and change over operation Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 7 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B The following table summarizes the required configuration and thermostat wiring at the terminal block in the switch box Pump operation is listed in the third column The three last columns indicate whether the following functionality is available on the user interface UI or handled by the thermostat T e space heating or cooling on off e heating cooling changeover 284 e heating and cooling schedule timers Pump operation determined by UI UI UI leaving water temperature 2 Thermostat Configuration 552
75. t is only to be used closed water system Application in an open water circuit can lead to excessive corrosion of the water piping Before continuing the installation of the unit check the following points Two shut off valves are delivered with the unit To facilitate service and maintenance install one at the water inlet and one at the water outlet of the indoor unit m Drain taps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance Two drain valves are provided to drain the water from the indoor unit water system Air vents must be provided at all high points of the system The vents should be located at points which are easily accessible for servicing An automatic air purge is provided inside the indoor unit Check that this air purge valve is not tightened too much so that automatic release of air in the water circuit remains possible m Take that the components installed in the field piping can withstand the water pressure Checking the water volume and expansion vessel pre pressure The unit is equipped with an expansion vessel of 10 litre which has a default pre pressure of 1 bar To assure proper operation of the unit the pre pressure of the expansion vessel might need to be adjusted and the minimum and maximum water volume must be checked 1 Check that the total water volume in the installation is 10 minimum A In most air condi
76. tioning applications this minimum water volume will have a satisfying result In critical processes or in rooms with a high heat load though extra water volume might be required 2 Using the table below determine if the expansion vessel pre pressure requires adjustment 3 Using the table and instructions below determine if the total water volume in the installation is below the maximum allowed water volume Installation Water volume height difference lt 2801 gt 280 Actions required pre pressure must be decreased calculate according to Calculating the pre pressure of the expansion vessel check if the water volume is lower than maximum allowed water volume use graph below No pre pressure adjustment required Actions required pre pressure must be increased calculate according to s7m Calculating the pre pressure of the expansion vessel check if the water volume is lower than maximum allowed water volume use graph below Expansion vessel of the unit too small for the installation a Installation height difference height difference m between the highest point of the water circuit and the indoor unit If the indoor unit is located at the highest point of the installation the installation height is considered 0 m Calculating the pre pressure of the expansion vessel The pre pressure Pg to be set depends on the maximum installation height difference H and
77. up heater When the equilibrium temperature function is enabled operation of the backup heater is restricted to low outdoor temperatures i e when the outdoor temperature equals or drops below the specified equilibrium temperature When the function is disabled operation of the backup heater is possible at all outdoor temperatures Enabling this function reduces the working time of the backup heater 5 00 Equilibrium temperature status specifies whether the equilibrium temperature function is enabled 1 disabled 0 m 5 01 Equilibrium temperature outdoor temperature below which operation of the backup heater is allowed Space heating priority temperature applies only to installations with sanitary water tank The space heating priority temperature field settings apply to operation of the 3 way valve and the booster heater in the sanitary water tank When the space heating priority function is enabled it is assured that the full capacity of the heat pump is used for space heating only when the outdoor temperature equals or drops below the specified space heating priority temperature i e low outdoor temperature In this case the sanitary water will only be heated by the booster heater 5 02 Space heating priority status specifies whether space heating priority is enabled 1 or disabled 0 m 5 03 Space heating priority temperature outdoor temperature below which the sanitary water will be heated b
78. water circuit 3 bar 3 bar Operation range water side heating 30 55 C 30 55 C cooling 7 20 C Operation range air side heating 20 25 20 25 cooling 15 43 sanitary water by heat pump 15 35 C 15 35 a Nominal cooling capacities are based on the following Eurovent conditions 12 C 7 C 30 C 35 C evaporator condenser 6 Nominal heating capacities are based on the following Eurovent conditions ambient 7 C DB 6 C WB condenser 30 C 35 C c MBSP Male British Standard Pipe d At 1 min front of the unit free field condition e Down to 20 by booster heater and up to 43 C by booster heater Electrical specifications Heating cooling models Heating only models EKHBH Standard unit power supply via outdoor unit Power supply Nominal running current 230 V 50 Hz 1P See outdoor unit installation manual Backup heater Power supply Maximum running current See Connection of the backup heater power supply on page 14 See Connection of the backup heater power supply on page 14 Option sanitary water tank with booster heater Power supply Nominal running current See Sanitary water tank specifications optional on 27 See Sanitary water tank specifications optional on page 27 Sanitary water tank specifications o
79. ws for reuse when installing the drain pan To install the drain pan proceed as follows 1 the pan to the two back frame tabs The two required screws are already screwed in the drain pan bottom at delivery Fix the drain pan bracket L shaped to the front frame of the indoor unit with the recuperated screw Fix a suitable drain hose to the drain socket Position the pressure relief valve hose end in the drain pan Installation manual 9 DAIKIN EKHBH X007A EKSWW150 300V3 Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Refrigerant pipework For all guidelines instructions and specifications regarding refrigerant pipework between the indoor unit and the outdoor unit please refer to the outdoor unit installation manual The location of the gas pipe and liquid pipe on the indoor unit is shown under Main components on page 6 Refrigerant piping specifications Indoor unit Outdoor unit Gas pipe outer diameter 15 9 mm 15 9 mm 5 8 inch 5 8 inch Liquid pipe outer diameter 6 4 mm 6 4 mm 1 4 inch 1 4 inch Water pipework Checking the water circuit The units are equipped with a water inlet and water outlet for connection to a water circuit This circuit must be provided by a licensed technician and must comply with all relevant European and national regulations The uni
80. y the booster heater only i e low outdoor temperature m 5 04 Set point correction for sanitary water temperature set point correction for the desired sanitary water temperature to be applied at low outdoor temperature when space heating priority is enabled The corrected higher set point will make sure that the total heat capacity of the water in the tank remains approximately unchanged by compensating for the colder bottom water layer of the tank because the heat exchanger coil is not operational with a warmer top layer 6 DT for sanitary water heating Applies only to installations with a sanitary water tank The DT delta temperature for sanitary water heating field settings determine the temperatures at which heating of the sanitary water by the heat pump will be started i e the heat pump ON temperature and stopped i e the heat pump OFF temperature When the sanitary water temperature drops below the heat pump ON temperature Typ on heating of the sanitary water by the heat pump will be started As soon as the sanitary water temperature reaches the heat pump OFF temperature Typ oer or the user set point temperature Ty heating of the sanitary water by the heat pump will be stopped by switching the 3 way valve The heat pump OFF temperature and the heat pump ON temperature and its relation with field settings 6 00 and 6 01 are explained in the illustration below m 6 00 Start temperature di
81. y for the indoor unit is to be provided through the outdoor unit Data communication with the outdoor unit is provided through the same cable For all guidelines and specifications regarding field wiring between the indoor unit and the outdoor unit please refer to the outdoor unit installation manual Procedure 1 Using the appropriate cable connect the power circuit to the appropriate terminals as shown on the wiring diagram and the illustration below 2 Connect the earth conductor yellow green to the earthing screw on the switch box mounting plate 3 Fixthe cable with cable ties to the cable tie mountings to ensure strain relief Note only relevant field wiring is shown 000 00000 000 000 0000000 1 2 B 10 19 Installation manual DAIKIN EKHBH X007A EKSWW150 300V3 Z2 1 3 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818 1B Connection of the backup heater power supply Power circuit a
82. y water temperature is below the user configured set point the 3 way valve will be activated to heat the sanitary water by means of the heat pump In case of large sanitary water demand or a high sanitary water temperature setting the booster heater 10 can provide auxiliary heating Make sure to fit the 3 way valve 8 correctly when the 3 way valve is idle not activated the space heating circuit i e floor heating loops should be selected NOTE The indoor unit can be configured so that at low 7 outdoor temperatures the sanitary water is exclusively heated by the booster heater This assures that the full capacity of the heat pump is available for space heating Details on sanitary water tank configuration for low outdoor temperatures can be found under Field settings on page 19 field settings 5 02 to 5 04 Application 3 Space cooling and heating application with a room thermostat suitable for cooling heating changeover connected to the indoor unit Heating is provided through floor heating loops and fan coil units Cooling is provided through the fan coil units only Sanitary warm water is provided through the sanitary water tank which is connected to the indoor unit j E FCU1 1 Pump operation and space heating and cooling According to the season the customer will select cooling

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