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EKHBH/X008BA

Indoor unit for air to water heat pump system

4PW54185-1B

Installation manual

Heating and cooling set point ranges

Heating set point upper limit

37~55

°C

Heating set point lower limit

15~37

°C

Cooling set point upper limit

18~22

°C

Cooling set point lower limit

5~18

°C

Overshoot setting

(a)

1~4

°C

Setup on EKRP1HB digital I/O PCB

Solar priority mode setting

0/1

—

Alarm output logic

0/1

—

Bivalent operation status

0/1

—

Bivalent ON temperature

–25~25

°C

Bivalent hysteresis

2~10

°C

Benefit kWh rate power supply/local shift value weather dependent

Switching off heaters

0/1/2/3

—

Unit connection to benefit kWh rate power supply

0 (OFF)

0/1/2

—

Not applicable. Do not change the default value.

—

Local shift value weather dependent

0/1/2/3/4

—

Unit information readout

Software version

Read

only

—

EEPROM version

Read

only

—

Unit model identification

Read

only

—

Liquid refrigerant temperature

Read

only

—

°C

Inlet water temperature

Read

only

—

°C

Option setup

Pump operation

0/1

—

Space cooling permission temperature

10~35

°C

Bottom plate heater ON temperature

3~10

°C

Bottom plate heater hysteresis

2~5

°C

Functionality of X14A.

0/1

—

(a) Only possible to modify the first 3 minutes after power ON.

First
code

Second
code

Setting name

Installer setting at variance with default value

Default

value

Range

Step

Unit

Date

Value

Date

Value

Содержание EKHBX008BA

Страница 1: ...INSTALLATION MANUAL EKHBH008BA EKHBX008BA Indoor unit for air to water heat pump system...

Страница 2: ...3 4 35 48 142 101 502 2 3 4 5 48 39 96 361 1 1 2 MBSP 1 MBSP 895 922 830 469 260 B B T T 2 350 300 500 1 2x 2x 1x 1x 1x 1 2 3 4 5 30 90 1 2 3 4...

Страница 3: ...tion See Selecting an installation location on page 12 The units can be combined with Daikin fan coil units floor heating applications low temperature radiators Daikin domestic water heating applicati...

Страница 4: ...case the benefit kWh rate power supply is of the type that power supply is not interrupted Refer to Connection to a benefit kWh rate power supply on page 19 for more details Scope of this manual This...

Страница 5: ...ormal temperature or if you must touch them be sure to wear proper gloves Caution Earth the unit Earthing resistance should be according to local and national regulations Do not connect the earth wire...

Страница 6: ...e as set on the user interface 1 Outdoor unit 6 Collector field supply 2 Indoor unit 7 Shut off valve 3 Heat exchanger FHL1 3 Floor heating loop 4 Pump T Room thermostat optional 5 Shut off valve Make...

Страница 7: ...t and cannot be done by the user interface on the indoor unit Domestic water heating Domestic water heating is as described under Application 2 on page 4 Application 4 Space heating and cooling applic...

Страница 8: ...hot water in such an application is always provided by the domestic hot water tank which is connected to the Daikin indoor unit The auxiliary boiler must be integrated in the piping work and in the fi...

Страница 9: ...ke sure to install the outdoor unit in the shade so that it is not influenced by the sun Frequent switching may cause corrosion of the boiler in an early stage Contact the manufacturer of the boiler D...

Страница 10: ...il unit optional 7 Collector zone B field supply FHL1 3 Floor heating loop field supply The advantage of the dual set point control is that the heat pump will can operate at the lowest required leavin...

Страница 11: ...tely after operation as the refrigerant pipes may be hot or cold depending on the condition of the refrigerant flowing through the refrigerant piping compressor and other refrigerant cycle parts Your...

Страница 12: ...es draining and filter replacement of the indoor unit 11 Water inlet connection 12 Water outlet connection 13 Drain and fill valves 14 Water filter The water filter removes dirt from the water to prev...

Страница 13: ...ater tank 9 PCB fuse FU1 10 DIP switch SS2 The DIP switch SS2 provides 4 toggle switches to configure certain installation parameters See DIP switch settings overview on page 21 11 X13A socket The X13...

Страница 14: ...the unit Be sure that sufficient precautions are taken in accordance with relevant local and national regulations in case of refrigerant leakage Dimensions and service space Unit of measurement mm Dim...

Страница 15: ...collect on the cold refrigerant and water pipes This water is collected in the drain pan which must be connected to a drain For installation instructions refer to the instruction sheet delivered with...

Страница 16: ...system to permit complete drainage of the circuit during maintenance Two drain valves integrated in the shut off valves are provided to drain the water from the indoor unit water system Make sure to...

Страница 17: ...r circuit problems may occur Therefore always take into account the following when connecting the water circuit Use clean pipes only Hold the pipe end downwards when removing burrs Cover the pipe end...

Страница 18: ...avoid air entering the circuit The unit might dispose some excessive water through the pressure relief valve Water quality must be according to EU directive 98 83 EC WARNING A main switch or other mea...

Страница 19: ...ter tank optional require a dedicated power circuit for the booster heater Please refer to the domestic hot water tank installation manual Connection of the indoor unit power supply and communication...

Страница 20: ...e figure below 2 Fix the cables with cable ties to the cable tie mountings to ensure strain relief 3 Depending on the required pump operation set DIP switch SS2 3 and field setting F 00 See Pump opera...

Страница 21: ...Possible connections and requirements to connect the equipment to such power supply are illustrated in the figure below NOTE Two types of 3 way valves can be connected Wiring is different for each ty...

Страница 22: ...om 1 When the signal is released again the voltage free contact will close and the unit will restart operation It is therefore important to leave the auto restart function enabled Refer to 3 Auto rest...

Страница 23: ...a Only applicable in case DIP switch 2 ON Heating cooling priority Priority to highest demand side b b Heating cooling or domestic water heating mode can be restricted by schedule timer and or field...

Страница 24: ...en applicable and indoor unit and domestic hot water tank has been carried out according to the instructions described in the chapter Field wiring on page 16 according to the wiring diagrams and accor...

Страница 25: ...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 1 03...

Страница 26: ...ific temperature 2 00 Operation interval day s of the week at which the domestic hot water should be heated 2 01 Status defines whether the disinfection function is turned on 1 or off 0 2 02 Start tim...

Страница 27: ...t pump is active in domestic hot water mode The consequence of this functionality is that setting 8 03 is not relevant Results in optimum coverage of domestic hot water heated by heat pump in relation...

Страница 28: ...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 6 00 Start temperature difference determining...

Страница 29: ...r set point for domestic hot water TU Refer to field setting 7 00 and the operation manual to select preferable set point If this high water temperature can be a potential risk for human injuries a mi...

Страница 30: ...quest for space heating or space cooling domestic water heating by the heat pump will continue until the heat pump OFF temperature see field settings 6 on page 26 is reached When no room thermostat is...

Страница 31: ...indoor unit or an auxiliary boiler The field setting bivalent operation apply only the indoor unit space heating operation and the permission signal for the auxiliary boiler When the bivalent operatio...

Страница 32: ...dout of the unit model identification example 11 E 03 Readout of the liquid refrigerant temperature E 04 Readout of the inlet water temperature The combination of setting 4 03 0 2 with bivalent operat...

Страница 33: ...ter kit is installed F 02 Bottom plate heater ON temperature defines the outdoor temperature below which the bottom plate heater will be activated by indoor unit in order to prevent ice build up in th...

Страница 34: ...Priority 0 OFF 0 1 2 02 Space heating off temperature 25 14 25 1 C 03 Booster heater operation 3 0 1 2 3 04 Not applicable 2 Read only 5 Equilibrium temperature and space heating priority temperature...

Страница 35: ...00 Switching off heaters 0 0 1 2 3 01 Unit connection to benefit kWh rate power supply 0 OFF 0 1 2 02 Not applicable Do not change the default value 0 03 Local shift value weather dependent 0 0 1 2 3...

Страница 36: ...ndoor unit cover See Opening the indoor unit on page 9 Maintenance activities To display the last resolved error code push the z button 1 time Push the z button again 4 times to return to normal mode...

Страница 37: ...tion TROUBLESHOOTING This section provides useful information for diagnosing and correcting certain troubles which may occur in the unit This troubleshooting and related corrective actions may only be...

Страница 38: ...the system Purge air Water pressure at pump inlet is too low Check on the manometer that there is sufficient water pressure The water pressure must be 1 bar water is cold Check that the manometer is n...

Страница 39: ...rotector by pressing the reset button refer to Main components on page 10 for location of the reset button Check the reset button of the thermal protector If both the thermal protector and the control...

Страница 40: ...ealer PJ Failure of capacity setting Contact your local dealer U0 Refrigerant failure due to refrigerant leak Contact your local dealer U2 Main circuit voltage failure Contact your local dealer U4 Com...

Страница 41: ...5 8 inch Expansion vessel volume 10 l 10 l maximum working pressure MWP 3 bar 3 bar Pump type water cooled water cooled no of speed 3 3 Sound pressure level Refer to technical data Refer to technical...

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