Daikin Altherma EJHA04AAV3 Installer's Reference Manual
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Daikin Altherma EJHA04AAV3 Installer's Reference Manual

Hybrid hydrosplit heat pump
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Installer reference guide
Daikin Altherma Hybrid hydrosplit heat pump
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EJHA04AAV3
Installer reference guide
EHY2KOMB28AA
English
Daikin Altherma Hybrid hydrosplit heat pump
EHY2KOMB32AA
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Summary of Contents for Daikin Altherma EJHA04AAV3

  • Page 1 Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump EJHA04AAV3 Installer reference guide EHY2KOMB28AA English Daikin Altherma Hybrid hydrosplit heat pump EHY2KOMB32AA...

  • Page 2: Table Of Contents

    DHW pump for disinfection ......... 23 9.9.4 Appliance categories and pipe lengths ......48 Setting up the energy metering ..........23 9.9.5 Applicable materials............. 51 Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 3: General Safety Precautions

    Indicates a situation that could result in burning because of 15.4.5 Symptom: The water pressure relief valve leaks ..87 extreme hot or cold temperatures. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 4: For The Installer

    ▪ Make sure the installation site withstands the weight and vibration comply with applicable legislation (on top of the of the unit. instructions described in the Daikin documentation). ▪ Make sure the area is well ventilated. Do NOT block any ventilation openings.

  • Page 5: Refrigerant

    After all the piping has been connected, make sure there is situation. no gas leak. Use nitrogen to perform a gas leak detection. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 6: Water

    Install power cables at least 1 metre away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 metre may not be sufficient. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 7: Gas

    Flue systems must NOT be modified or installed in any way other than as described in the fitting instructions. Any misuses or unauthorized modifications to the appliance, flue or associated EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 8: About The Product

    ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). INFORMATION ▪ The full set of latest technical data is available on the Daikin This product is intended for domestic use only. extranet (authentication required).

  • Page 9: About The Box

    Before unpacking, move the gas boiler as close as possible to its To avoid injury, do NOT touch the air inlet or aluminium installation position. fins of the unit. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 10: To Remove The Accessories From The Gas Boiler

    The system layout differs depending on the gas boiler. You can combine the outdoor unit (=EJHA04AAV3) with: Gas boiler System layout Dedicated gas boiler (=EHY2KOMB28+32AA) Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 11: Dedicated Gas Boiler

    For existing installations, you do not need to buy a new gas boiler. You can reuse the existing gas boiler, and the wiring of the old thermostat. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 12: Freeze Protection

    ▪ Combining outdoor unit and gas boiler water ▪ Combining the outdoor unit with options Data related to space heating ▪ Combining the gas boiler with options Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 13: Combining Units And Options

    For installation instructions, see the installation manual of the heat pump convectors, and the addendum book for optional equipment. ▪ Prevents freeze-up of the bottom plate. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 14: Possible Options For The Gas Boiler

    Kit for the conversion of a concentric flue gas system to a dual pipe system. For installation EKHY090707 instructions, see the installation manual of the dual pipe conversion kit 80/125 concentric connection kit Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 15 80/125×500 mm EKFGP4664 Elbow PP/GLV 60/100 30° EKFGP4802 Extension PP/GLV 80/125×1000 mm EKFGP4814 Elbow PP/GLV 80/125 30° EKFGP4661 Elbow PP/GLV 60/100 45° EKFGP4660 Elbow PP/GLV 60/100 90° EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 16 Flex kit PP Ø80 EKFGP5461 Extension PP 60×500 EKFGP4828 Chimney connection 80/125 EKFGP5497 Chimney top PP 100 with included flue pipe EKFGP6340 Extension Flex PP 80 L=10 m Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 17: Application Guidelines

    ▪ How many rooms are heated by the heat pump system? ▪ Which heat emitter types are used in each room and what is their EKFGW4004 Extension P BM-Air 80×2000 design leaving water temperature? Once the space heating requirements are clear, Daikin recommends to follow the setup guidelines below. EKFGW4085 Elbow PP BM-Air 80 90° NOTICE...

  • Page 18: Single Room

    Benefits functionality can decrease or increase the desired leaving water temperature based on the actual room temperature (modulation). ▪ Wireless. The Daikin external room thermostat is available in a This results in: wireless version. ▪ Stable room temperature matching the desired temperature ▪...

  • Page 19: Multiple Rooms - One Lwt Zone

    2 (RT control): Unit operation is ▪ #: [A.2.1.7] thermostat. decided based on the ambient ▪ #: [A.2.1.7] ▪ Code: [C-07] temperature of the user interface. ▪ Code: [C-07] EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 20 X4/7). The outdoor unit will only supply leaving water room thermostats temperature when there is an actual demand. Setup INFORMATION To increase comfort and performance, Daikin recommends to install the valve kit option EKVKHPC on each heat pump convector. Configuration Setting...

  • Page 21: Setting Up The Space Heating System - In Case Of Third-Party Gas Boiler

    ▪ Lowest possible leaving water temperature (higher efficiency) design leaving water temperature? ▪ Easy. You can easily set the desired room temperature via the Once the space heating requirements are clear, Daikin recommends user interface: to follow the setup guidelines below.

  • Page 22: Setting Up The Domestic Hot Water Tank

    Compared with under floor heating or radiators for one room: Cold water temperature ▪ Comfort. You can set the desired room temperature, including schedules, for each room via the room thermostats. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 23: Setup And Configuration - Dhw Tank

    ▪ If energy prices are the same during the day and the night, Outdoor unit Daikin recommends to heat up the DHW tank during the day. Gas boiler Tank ▪ If energy prices are lower during the night, Daikin recommends Cold water to heat up the DHW tank during the night.

  • Page 24: Setting Up The Power Consumption Control

    Setting up the power consumption ▪ That is NOT exposed to direct sunlight control ▪ If this is NOT possible, Daikin recommends to connect a remote outdoor sensor (option EKRSCA1). ▪ The power consumption control: ▪ Setup: For installation instructions, see the installation manual of ▪...

  • Page 25: Installation Site Requirements Of The Outdoor Unit

    NOT subjected to any requirements to the installation Do NOT install the unit in the following places: room. However, mind the following requirements and precautions: EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 26: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    (example: open flames, an operating gas appliance or an operating electric heater). WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable Outdoor unit legislation (for example national gas regulation) and are EHY2KOMB28+32AA gas boiler executed only by authorised persons.

  • Page 27: Water Circuit Requirements

    ▪ Connecting piping – Force. Do NOT use excessive force when connecting the piping. Deformation of the piping can cause malfunctioning of the unit. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 28: Formula To Calculate The Expansion Vessel Pre-Pressure

    Below this value, no stable operation can be guaranteed. of the domestic hot water tank. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 29: Changing The Pre-Pressure Of The Expansion Vessel

    User interface User interface Optional equipment Bottom plate heater 2+GND Outdoor ambient temperature sensor LAN adapter Field supplied components Domestic hot water 2+GND pump EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 30: Installation

    Power supply for 2+GND outdoor unit 9.2.2 To open the outdoor unit User interface DANGER: RISK OF ELECTROCUTION User interface External pump + bivalent signal Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 31: To Open The Gas Boiler

    To open the switch box cover of the gas bolts is 15 mm. boiler 1 Open the gas boiler, see "9.2.3  To open the gas boiler"  on page 31. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 32: To Install The Outdoor Unit

    150  mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping (see the following figure). (mm) Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 33: To Prevent The Outdoor Unit From Falling Over

    9.4.1 To install the gas boiler 1 Lift the unit from the package. 5 Make sure the gas boiler is fixed properly to the wall. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 34: To Install The Condensate Trap

    (field supply). Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 35: External Connections

    Filling the domestic water circuit of the gas boiler. Filling the domestic hot water tank (if applicable). Insulating the water piping. Water inlet (G1")(coming from the heat emitters) EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 36: Connecting The Water Piping Of The Gas Boiler

    In any case, make sure that the flexible hose of the pressure relief valve is ALWAYS free to release pressure. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 37: To Protect The Water Circuit Against Freezing

    Fit the space heating installation with the following parts: ▪ A filling/draining tap in the space heating inlet, immediately underneath the unit. ▪ A draining tap at the lowest point of the installation. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 38 When no glycol is added to the water, you can use freeze protection valves to drain the water from the system before it can freeze. To do so, install the following parts: Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 39: To Fill The Space Heating Circuit

    2 Connect the water supply hose to the fill/drain point. Note: The fill/drain point can be: ▪ Field supplied ▪ Part option EKFL1A (filling loop EHY2KOMB28+32AA gas boiler) EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 40: To Fill The Domestic Water Circuit Of The Gas Boiler

    Note: The pressure relief valve of the outdoor unit is designed to open at 3 bar. 6 Purge air from all manual air purge valves in the system (open, purge air, close). Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 41: Precautions When Connecting The Electrical Wiring

    X NOT allowed connected to a circuit that is regularly turned ON and OFF by the utility. Item Tightening torque (N•m) Outdoor unit 1.3~1.6 EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 42: In Case Of Dedicated Gas Boiler

    1 Connect the main power supply to the appropriate terminals as shown in the illustration below. 5 Inside the unit, route the wiring to the switch box as follows: Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 43 Fix the wallplate of the user interface to the wall. Connect as shown in 4A, 4B, 4C or 4D. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 44: In Case Of Third-Party Gas Boiler

    Do NOT push or place redundant cable length in the unit. 1 Open the top plate and the front plate. See "9.2.2 To open the outdoor unit" on page 30. 2 Strip insulation (20 mm) from the wires. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 45 7 After connecting all wiring, close the front plate and the top plate. Connections in case of third-party gas boiler Routing Possible cables (depends on the installed options) Main power supply Main power supply (high voltage) EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 46: Connecting The Gas Piping

    1 Connect a gas valve to the 15  mm gas connection of the gas boiler and connect it to the field pipe according to local regulations. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 47: Connecting The Boiler To The Flue Gas System

    6 Check the connection of the internal flue pipe and the condensate collector. Make sure it is properly connected. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 48: Calculate The Total Piping Length

    Single boiler installation Please note that NOT all flue gas configurations as described below are allowed in all countries. Please follow the local and national regulations. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 49 L1 (m) L1 (m) L1 (m) L1 (m) of 1 bracket at each meter length. Best recommended position of the bracket is just before the joint. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 50 1 bracket at each meter length. Best recommended position of the units Air intake Air intake bracket is just before the joint. exhaust exhaust Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 51: Applicable Materials

    Horizontally to an opening, air brick, opening windows, etc. Above roof level (to base terminal) From an adjacent wall to flue From an adjacent opening window 1000 EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 52: Insulation Of The Gas Exhaust And Air Intake

    (excluding the initial boiler connection). CAUTION Read the installation manuals of the field supplied parts. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 53: Flues In Voids

    ▪ Make sure that the bracket is locked into the correct position depending on the position of the bracket on the pipe or elbow. ▪ Do NOT mix flue parts or clamps of different suppliers. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 54 ▪ Position the first clamp at a maximum of 500  mm from the gasboiler. In case to fix on the pipe Second clamp after the second elbow First clamp after the second elbow Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 55: Finishing The Outdoor Unit Installation

    The boiler cover plate is an optional product. Result: Gas supply will purge air. 2 Check all connections for leakage. 3 Check the gas supply pressure. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 56: 10 Configuration

    2 Go to [A.8]: > Installer settings > Overview settings. 7 At installer settings menu, press to confirm the settings. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 57: Basic Configuration

    ▪ d: Pump operation Please confirm the system continued >> layout. The system will restart and will be ready for first startup. Cancel Confirm Adjust EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 58 (Disinf. shunt): Installed disinfection. runs when disinfection function of the domestic hot water function is running. No further settings are needed. See also illustrations below. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 59 Set them in the menu structure instead ([7.4.5.1], [7.4.5.2], and [7.4.5.3]). For more information on how to set the energy prices, see the operation manual and the user reference guide. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 60 ▪ according schedule. scheduled actions consists desired leaving water temperatures either preset custom Remark: This value can only be set in leaving water temperature control. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 61 Note: The desired leaving water temperature can only be read out on Code Description the user interface [C‑0A] Indoor quick heat up function ▪ 0: OFF. ▪ 1: On. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 62: Advanced Configuration/Optimization

    Limit the maximum hot water temperature according to the [7.4.2.5] Comfort (heating) applicable legislation. –10°C~+10°C [7.4.2.6] Eco (heating) –10°C~+10°C Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 63 (see illustration below). Use this setting to compensate for possible heat losses of the building due to the evaporation of melted ice or snow (e.g. in cold region countries). EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 64 1 place (see also operation manual and/or user reference guide). Storage comfort Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 65 The disinfection function settings MUST be configured by the installer according to the applicable legislation. CAUTION Make sure to activate the disinfection function when a third-party tank is installed. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 66 NOT confirm emergency operation. Bivalent Only applicable in case of third-party gas boiler. About bivalent Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 67 (example: both c€/kWh). 2 Determine the value of [C‑03] using the graph: Code Description [F-02] Bottom plate heater ON temperature: 3°C~10°C [F-03] Hysteresis: 2°C~5°C EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 68 If is NOT displayed within 6  minutes after forced defrost operation was enabled, the outdoor unit ignored the forced defrost request. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 69 T in relation to the required capacity. With this limitation range, delta  T is possible and the comfort is guaranteed. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 70: Menu Structure: Overview User Settings

    Set weather-dependent heating Only applicable in case of EHY2KOMB28+32AA gas boiler INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 71: Menu Structure: Overview Installer Settings

    Actuator test run Only applicable in case of EHY2KOMB28+32AA gas boiler INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 72: Gas Boiler

    ▪ Press the button to exit the menu without storing the parameter changes. ▪ Press the button to load the default settings of the gas boiler. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 73 It is recommended not to modify this setting. Minimal space heating rpm 23%~50% Adjustment range 23~50%. It is recommended not to modify this setting in case of natural gas. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 74 ▪ 2=Summer mode to be activated with button (code on display=So) ▪ 3=Summer mode to be activated with button (code on display=Et) Heating curve coefficient Not applicable Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 75 5 Replace the O-ring (c) and the gas restriction (d) with the rings from the conversion set. 1 Switch off the heat pump module with the user interface. 6 Reassemble in reverse sequence. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 76 10 Allow readings to stabilise. Wait for at least 3 minutes and 8.7±0.1 compare the CO percentage with the values in the table below. 8.6±0.1 8.5±0.1 Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 77: Operation

    If the burner does NOT ignite, a new ignition attempt occurs after 15  seconds. If after 4 ignition attempts the burner is NOT yet burning, the boiler will go into fault mode. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 78: 12 Commissioning

    ▪ Between the outdoor unit and the external pump The system is properly earthed and the earth terminals are tightened. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 79: Checklist During Commissioning

    To perform a test run on the gas boiler. Scroll Stop Adjust 5 Use the buttons to set the desired pump speed. Result: Low Result: High EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 80: To Perform A Test Run

    ([6.1.6] in the menu structure) and make sure ▪ During underfloor heating screed dryout, pump speed it does NOT drop below 15°C. limitation [9‑0D] is NOT applicable. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 81 90. To reset the U3 error, your User permission level needs to be Installer. 1 Go to the underfloor heating screed dryout screen. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 82: To Perform A Gas Pressure Test

    There may be no error on the gas boiler or the heat pump module. DANGER: RISK OF BURNING During a gas boiler test run, "busy" will be displayed on the user interface. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 83: Outdoor Unit

    14.4.2 To disassemble the gas boiler 1 Turn off the appliance. 2 Turn off the main power supply of the appliance. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 84 8 Pull the bottom of the pipe forwards and remove the pipe downwards by turning the pipe alternately clockwise and counterclockwise. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 85: To Clean The Inside Of The Gas Boiler

    2 Clean the underside of the heat exchanger. 3 Clean the condensate drain pan with water. 4 Clean the condensate trap with water. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 86: 15 Troubleshooting

    ▪ Solving problems based on error codes Before troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 87: Symptom: The Compressor Does Not Start (Space Heating Or Domestic Water Heating)

    Purge air manually (see "To perform a manual air purge" on page 79) or use the automatic air purge function (see "To perform an automatic air purge" on page 80). EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 88: Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures

    Gas/air adjustment NOT correctly Check the setting. See "To check set. the carbon dioxide setting" on page 75. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 89: 15.4.13 Symptom: The Burner Resonates

    Weather-dependent setpoint Check the setting on the user setting is incorrect. interface and adjust if necessary. Temperature is too low. Increase the space heating temperature. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 90: Solving Problems Based On Led Behaviour

    For a more detailed troubleshooting guideline for each error, please Please contact your dealer. see the service manual. OU: Abnormal high pressure in cooling. Please contact your dealer. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 91 Please contact your dealer. Tank preheating Leaving water temperature sensor problem. Please contact your dealer. External temperature Heat exchanger frozen. sensor problem. Please contact your dealer. EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 92 Error AJ-03 is reset automatically from the moment there is ▪ Gas supply pressure is too low or a normal tank heat-up. fails ▪ Gas valve or ignition unit is NOT powered Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 93: Disposal

    Pump down operation will extract all refrigerant from the system into the outdoor unit (compressor module). EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 94: 17 Technical Data

    17 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). 17.1 Outdoor unit 17.1.1...

  • Page 95: Wiring Diagram: Outdoor Unit

    ORG: orange; YLW: yellow; GRY: grey; BRN: brown FU1 (PCB1) Fuse T 3.15 A 250 V FU2 (PCB1) Fuse T 3.15 A 250 V FU3 (PCB1) Fuse T 20 A 250 V EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 96 (heat pump convector) M3S (when tank is installed) 2 core selection domestic hot water–floor heating X2: 3-5-6 X4: 6-7 X11M: 5-6 230 V 230 V 4D115768A Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 97 2 core X2M: 1-9-10 2×0.75 MAIN PUMP communication Only for BRP069* X5M: 7-8 A13P: P1-P2 LAN adapter Bottom plate heater A1P: X14A-earth THIRD-PARTY BOILER INDOOR 4D115768A EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 98: Esp Curve: Outdoor Unit

    If glycol is added to the system, the operation range limit is lower. ▪ Selecting a flow outside the operating area can damage the unit or cause the unit to malfunction. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 99: Gas Boiler

    Operating panel and read-out Ionisation/ignition electrode Position of data plate Bottom view Space heating outlet Instant domestic hot water outlet (not applicable for Switzerland) Gas inlet EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 100: Technical Specifications: Gas Boiler

    Packed machine weight 34 kg 37 kg Packing material Carton/PP (straps) Packing material (weight) 1 kg Main components Water side heat exchanger Aluminium, copper Space heating water circuit Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 101 Annual energy consumption (Q 69 GJ 80 GJ Sound power level, indoors (at maximum heat 45 dB 50 dB output) (L Emissions of nitrogen oxides (NO 49 mg/kWh 53 mg/kWh Domestic hot water parameters EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 102 — G31 (30 mbar) Any modifications to the gas valve MUST be performed by a certified representative of the manufacturer. For more information, contact your dealer. Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 103 Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance will then be issued to the customer. www.centralheating.co.uk www.centralheating.co.uk EJHA04AAV3 + EHY2KOMB28+32AA Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...
  • Page 104 Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance will then be issued to the customer. © Heating and Hotwater Industry Council (HHIC) www.centralheating.co.uk Installer reference guide EJHA04AAV3 + EHY2KOMB28+32AA Daikin Altherma Hybrid hydrosplit heat pump 4P531180-1 – 2018.06...

  • Page 105: 18 Glossary

    Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with product according instructions accompanying documentation.

  • Page 106: Field Settings Table

    Field settings table Applicable indoor units EHY2KOMB28AA EHY2KOMB32AA NHY2KOMB28AA NHY2KOMB32AA Notes — 4P564438-1 - 2018.12...
  • Page 107 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value User settings └─ Preset values └─ Room temperature 7.4.1.1 Comfort (heating) [3-07]~[3-06], step: A.3.2.4 21°C 7.4.1.2 Eco (heating) [3-07]~[3-06], step: A.3.2.4 21°C └─...
  • Page 108 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value A.3.1.1.1 LWT setpoint mode 0: Fixed 1: Weather dep. 2: Fixed / scheduled 3: WD / scheduled A.3.1.1.2.1 [9-01] Temperature range Minimum temp (heating) 15~37°C, step: 1°C...
  • Page 109 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value A.6.D Disable protections 0: No 1: Yes └─ Overview settings [0-00] 35°C [0-01] 55°C [0-02] 15°C [0-03] -10°C [0-04] 8°C [0-05] 12°C...
  • Page 110 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-03] [5-04] [5-05] 50 A [5-06] 50 A [5-07] 50 A [5-08] 50 A [5-09] 20 kW [5-0A] 20 kW [5-0B] 20 kW [5-0C]...
  • Page 111 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [C-04] Bivalent hysteresis temperature. 2~10°C, step 1°C 3°C [C-05] What is the thermo request contact type for the main zone? 1: Thermo ON/OFF 2: C/H request [C-06]...
  • Page 112 4P531180-1 2018.06...

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