Daikin Altherma EAVX-D9WG Installer's Reference Manual
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Daikin Altherma EAVX-D9WG Installer's Reference Manual

Low temperature split
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Daikin Altherma – Low temperature split
EPGA11DAV3
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Daikin Altherma – Low temperature split
EAVX16S23DA9W(G)

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Summary of Contents for Daikin Altherma EAVX-D9WG

  • Page 1 Installer reference guide Daikin Altherma – Low temperature split EPGA11DAV3 EPGA14DAV3 EPGA16DAV3 EAVH16S18DA6V(G) EAVH16S23DA6V(G) EAVH16S18DA9W(G) EAVH16S23DA9W(G) EAVX16S18DA6V(G) EAVX16S23DA6V(G) Installer reference guide EAVX16S18DA9W(G) English Daikin Altherma – Low temperature split EAVX16S23DA9W(G)

  • Page 2: Table Of Contents

    Finishing the outdoor unit installation ......... 40 6.2.1 Installation site requirements of the outdoor unit ..21 7.7.1 To finish the outdoor unit installation ......40 Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 3: General Safety Precautions

    WARNING: FLAMMABLE MATERIAL 12.3.7 Symptom: The water pressure relief valve leaks ..78 12.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures ........... 78 EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 4: General

    (on top of the ▪ In places where there is a risk of fire due to the leakage of instructions described in the Daikin documentation). flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust.

  • Page 5: Brine

    If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category  III condition, MUST be installed in the fixed wiring. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 6: About The Documentation

    Daikin website (publicly accessible). to prevent interference. Depending on the radio waves, a distance of 1 metre may not be sufficient. ▪ The full set of latest technical data is available on the Daikin extranet (authentication required). Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma –...

  • Page 7: Installer Reference Guide At A Glance

    3.2.2 To handle the outdoor unit advance. CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. 143 kg EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 8: To Remove The Accessories From The Outdoor Unit

    Sealing tape for low voltage wiring intake 3.3.3 To handle the indoor unit Use the handles at the back and at the bottom to carry the unit. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 9: About The Units And Options

    Digital I/O PCB (EKRP1HB) Model series The digital I/O PCB is required to provide following signals: Power supply ▪ Alarm output ▪ Space heating/cooling On/OFF output EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 10: Application Guidelines

    INFORMATION questions first: You can only connect either the remote indoor sensor or ▪ How many rooms are heated or cooled by the Daikin heat  pump the remote outdoor sensor. system? PC cable (EKPCCAB) ▪...

  • Page 11: Single Room

    (modulation). This results in: Benefits ▪ Stable room temperature matching the desired temperature ▪ Wireless. The Daikin external room thermostat is available in a (higher comfort) wireless version. ▪ Less ON/OFF cycles (more quiet, higher comfort and higher ▪...

  • Page 12: Multiple Rooms - One Lwt Zone

    ▪ A shut-off valve (field supply) is installed before the under  floor heating to prevent condensation on the floor during cooling operation. Main leaving water temperature zone Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 13 INFORMATION Main leaving water temperature zone Room 1 To increase comfort and performance, Daikin recommends Room 2 to install the valve kit option EKVKHPC on each heat pump External room thermostat convector.

  • Page 14: Multiple Rooms - Two Lwt Zones

    Room 1 INFORMATION Room 2 Main leaving water temperature zone To increase comfort and performance, Daikin recommends Room 3 to install the valve kit option EKVKHPC on each heat pump Remote controller of the heat pump convectors User interface used as room thermostat convector.

  • Page 15: Setting Up An Auxiliary Heat Source For Space Heating

    FHL1...3 Under floor heating the different heat emitters. ▪ Under floor heating has the best performance with Altherma LT. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 16: Setting Up The Domestic Hot Water Tank

    ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ If the auxiliary contact is an outdoor temperature thermostat, install the thermostat in the shadow so that ▪...

  • Page 17: Selecting The Volume And Desired Temperature For The Dhw Tank

    ▪ If energy prices are the same during the day and the night, Determining the volume and desired temperature for the DHW Daikin recommends to heat up the DHW tank during the day. tank. ▪ If energy prices are lower during the night, Daikin recommends Determining the DHW consumption to heat up the DHW tank during the night.

  • Page 18: Dhw Pump For Disinfection

    ▪ The flow rate ▪ Setup and configuration: No additional equipment needed. 5.5.2 Consumed energy You can use the following methods to determine the consumed energy: ▪ Calculating Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 19: Preferential Kwh Rate Power Supply

    ▪ Power meter 2: ▪ In case of a single-phase backup heater configuration, use a single-phase power meter. ▪ In other cases, use a three-phase power meter. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 20: Power Limitation Activated By Digital Inputs

    Power limitation is also useful in combination with an energy time), the digital input priority is fixed: DI4 priority>…>DI1. management system. The power or current of the entire Daikin system is limited 5.6.3 Power limitation process dynamically by digital inputs (maximum four steps). Each power The outdoor unit has better efficiency than the electrical heater.

  • Page 21: Setting Up An External Temperature Sensor

    ▪ That is NOT affected by outside air or air draught because of, for example, door opening/closing INFORMATION ▪ If this is NOT possible, Daikin recommends to connect a remote Also read the precautions and requirements in the indoor sensor (option KRCS01-1).

  • Page 22: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Make sure installation, servicing, maintenance and repair ▪ Where acidic or alkaline vapour is present comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are Seaside installation. Make sure the outdoor unit is NOT directly executed only by authorised persons.

  • Page 23: Preparing Water Piping

    ▪ Use a decent thread sealant to seal connections. Collector ▪ Insulation. Insulate up to the base of the heat exchanger. Domestic hot water tank EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 24: Formula To Calculate The Expansion Vessel Pre-Pressure

    The pre-pressure (Pg) of the vessel depends on the installation height difference (H): 200 220 Pg=0.3+(H/10) (bar) Pre-pressure (bar) Maximum water volume (l) Water Water + glycol Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 25: Changing The Pre-Pressure Of The Expansion Vessel

    Also read the precautions and requirements in the 20 l/min "General safety precautions" chapter. See the recommended procedure as described in "9.4  Checklist during commissioning" on page 70. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 26: About Preferential Kwh Rate Power Supply

    Whether the power supply is interrupted or not, the wiring to the unit User interface used as is different. room thermostat Room thermostat 3 or 4 100 mA Outdoor ambient temperature sensor Indoor ambient temperature sensor Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 27: Overview: Installation

    If you remove the user interface panel, also disconnect the At certain times, you have to open the unit. Example: cables from the back of the panel to prevent damage. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 28: To Open The Switch Box Cover Of The Indoor Unit

    To open the switch box cover of the indoor unit 3 Place the switch box lower on the unit. Use the 2 hinges located lower on the unit. 4× Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 29: Mounting The Outdoor Unit

    In any case, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. Discharge side Distance between anchor points Bottom frame Drain holes Knockout hole for snow EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 30: To Fix The Fluorinated Greenhouse Gases Label

    Prerequisite: The user interface panel and front panel have been removed. 1 Remove one of the side panels. 2 Cut out the rubber grommet. 3 Pull the drain hose through the hole. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 31: Connecting The Water Piping

    5 Connect the outdoor unit field piping to the shut-off valves. 6 Connect the O-rings and shut-off valves to the space heating/ cooling water pipes of the indoor unit. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 32: To Connect The Recirculation Piping

    Frost can damage the system. To prevent the hydraulic components from freezing, the software is equipped with special frost protection functions, that include the activation of pump in case of low temperatures: Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 33 You can use either propylene domestic hot water tank glycol or ethylene glycol Propylene glycol, including the necessary inhibitors, classified as Category III according to EN1717. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 34: To Fill The Domestic Hot Water Tank

    >16 A and ≤75 A per phase.). 2 Open the cold water supply valve. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 35: Precautions When Connecting The Electrical Wiring

    Communication cable (high voltage) Item Tightening torque (N•m) Cable for bottom plate heater (optional) M4 (X1M) 1.2~1.5 4 Inside the unit, route the wiring as follows: M4 (earth) EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 36: To Connect The Electrical Wiring On The Indoor Unit

    4 Seal the low voltage wiring intake using the sealing tape (delivered as accessory). Without low voltage cables With low voltage cables a, b, c Field wiring (see table below) Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 37: To Connect The Main Power Supply

    (X5M/9+10) as the safety thermostat. It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 38: To Connect The Shut-Off Valve

    Q1DI Earth leakage circuit breaker (field supply) Switch box Terminal (field supply) NOTICE Do NOT cut or remove the backup heater power supply cable. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 39: To Connect The Space Cooling/Heating On/Off Output

    9 10 2 Fix the cable with cable ties to the cable tie mountings. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 40: Finishing The Outdoor Unit Installation

    1 Go to [B]: User profile. 3 Reinstall the top panel. 4 Reinstall the side panels. 5 Reinstall the front panel. 6 Reconnect the cables to the user interface panel. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 41: Configuration Wizard

    Schedule [3.1] 6 Press the left dial to confirm the new setting. Tank 7 Press the center button to go back to the home screen. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 42: Possible Screens

    ▪ : Radiator – g2 Leaving water temperature setpoint g3 Room thermostat type: Home screen ▪ : Daikin user interface used as room Main menu screen thermostat Lower level screens: c1: Setpoint screen ▪ : External control c2: Detailed screen with values ▪...

  • Page 43: Menu Screen

    Possible actions on this screen colder and vice versa. Go through the list. The weather-dependent curves are defined by two setpoints: EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 44: Schedule Screen: Example

    5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. To go to the schedule: 1 Go to [1.1]: Room > Schedule. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 45: Settings Menu

    ▪ 1 Yes: Room temperature is controlled with a schedule and can be modified by the user. Heating schedule This is available for all models. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 46 In case of one leaving water temperature zone: range of the room temperature, both for heating and/or cooling. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 47: Main Zone

    For more information about this screen, see "8.3.8 Schedule screen: Example" on page 44. Setpoint mode In Fixed mode, the desired leaving water temperature does NOT depend on the outdoor ambient temperature. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 48 Variable (see [2.B]) (depending on the heat emitter), such situations can be avoided. 1: Fancoil unit Maximum 55°C Variable (see [2.B]) 2: Radiator Maximum 60°C Fixed 8°C Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 49 ▪ Else: 3°C~10°C [2.B.2] [1‑0D] Delta T cooling: A minimum temperature difference is required for the good operation of heat emitters in cooling mode. ▪ 3°C~10°C EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 50 The setting [F‑0B] is only valid when there is a thermostat or external room thermostat request setting (NOT in case of leaving water temperature setting). Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 51: Additional Zone

    Set weather-dependent heating for the additional zone (if [3.4] = 1 or Cooling WD curve Set weather-dependent cooling for the main zone (if [3.4] = 2): EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 52: Space Heating/Cooling

    [3.8.1] [9-05] Heating minimum: 15°C~37°C Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 53 ▪ Range: 1°C~10°C December, January, February and March. During warm season. Cooling only Example: June, July and August. In-between. Reversible Example: April, May and September. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 54 ▪ c: On ▪ d: LWT temperature ▪ e: Actual ▪ f: Desired ▪ g: Pump operation Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 55 In heating operation, the desired leaving water temperature is locally increased around an outdoor temperature of 0°C.This compensation can be selected when using an absolute or a weather dependent desired temperature (see illustration below). EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 56: Tank

    Then you can activate DHW powerful operation. Advantage: The DHW tank immediately starts heating up the water to the preset value (Storage comfort). Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 57 The maximum temperature is NOT High set point temperature [2-03] applicable during disinfection function. Time See disinfection function. Hysteresis The following ON hysteresis can be set. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 58 Domestic hot water temperature User set point temperature (as set on the user interface) Time Example: setpoint (T )≤maximum heat pump temperature–[6‑01] –[6‑01]) HP MAX Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 59: User Settings

    ▪ Go to [7.3.1]: User settings > Holiday > Activation. 1 Go to [7.4.1]: User settings > Quiet > Activation. ▪ Select On. 2 Select Most quiet. Advantage: EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 60: Information

    Current operation mode NOTICE Example: Defrost/oil return Make sure to modify the setting of the energy prices at the mode end of the incentive period. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 61: Installer Settings

    Domestic hot water pump [6‑03]+[6‑04]. Heater element Non‑return valve Shower Cold water Domestic hot water OUT EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 62 50°C, load and the domestic hot water production. Daikin recommends NOT to disable the backup heater second step because it will have a big impact on the ▪ When auto emergency is set to Manual and a heat pump failure...
  • Page 63 (X5M/9+10) as the safety thermostat. It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 64 Backup heater Compressor Forced OFF Forced OFF Allowed Power consumption control Power consumption control "5  Application guidelines"  on page  10 for detailed information about this functionality. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 65 ▪ 3 10/kWh: Installed can/will provide the space heating, either the heat pump system or ▪ 4 100/kWh: Installed the auxiliary boiler. ▪ 5 1000/kWh: Installed EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 66 Set them in the menu structure instead ([7.4.5.1], [7.4.5.2], [7.4.5.3], and [7.4.6]). For more information on how to set the energy prices, see the operation manual and the user reference guide. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 67: Operation

    ▪ 1: On Code Description [C.3] Tank [9.E] [C-09] Auto restart: ▪ 0: Off ▪ 0: Manual ▪ 1: On ▪ 1: Automatic EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 68: Menu Structure: Overview User Settings

    Connection status User profile Operation Room Space heating/cooling Tank Setpoint screen INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 69: Menu Structure: Overview Installer Settings

    Solar kit settings are shown but are NOT applicable for this unit. Settings shall NOT be used or changed. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 70: Commissioning

    4 During pump test run operation, go to Sensors. 5 Select the flow rate information. During test run operation, the unit can operate below the minimum required flow rate. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 71: Air Purge Function

    (heating/cooling mode) and tank temperature (domestic hot water mode). To monitor the temperature: 1 Go to Sensors. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 72: To Perform An Actuator Test Run

    Commissioning > UFH screed dryout > Program. if the user does NOT confirm emergency operation. ▪ During underfloor heating screed dryout, pump speed limitation [9‑0D] is NOT applicable. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 73: 10 Hand-Over To The User

    3 Modify and restart the execution of the program. — Check the following at least once a year: ▪ Water pressure ▪ Magnetic filter/dirt separator ▪ Water pressure relief valve EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 74 For this reason, descaling of the heat exchanger may be required at certain intervals. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 75: To Drain The Domestic Hot Water Tank

    Prerequisite: Turn OFF the respective circuit breaker. 1 The water filter is located behind the switch box. To get access Bottom part to be unscrewed to it, see: Water filter housing EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 76: To Install The Water Filter

    Make sure to open the valve (if equipped) towards the expansion vessel, otherwise the overpressure will be generated. 5 Open the stop valves and add water to the water circuit if needed. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 77: Symptom: Hot Water Does Not Reach The Desired Temperature

    NOT broken. vessel" on page 25). If the problem persists after you have conducted all of the above checks, contact your dealer. EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 78: Symptom: The Pressure Relief Valve Opens

    ▪ Flush and clean the complete valve. tank including piping between pressure relief valve and the cold water inlet. ▪ Replace the pressure relief valve. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 79: Symptom: Decoration Panels Are Pushed Away Due To A Swollen Tank

    Result: A short description of the error and the error OU: Actuation of high pressure code is displayed on the screen. switch (HPS) Abnormal suction pressure EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 80 Tank type problem thermistor Abnormality (outdoor Extension/hydro mismatch unit)) problem Sensor communication error Communication problem between Brine inlet thermistor abnormality control box and option box Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 81: 13 Disposal

    This will open required valves in the refrigerant circuit so the vacuuming process can be done properly. To activate vacuum mode: EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 82: To Perform Vacuum Drying

    Make sure to open the stop valves after performing Result: The valve is now open/closed. vacuum drying. Running the system with the stop valves closed may break the compressor. Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 83: To Handle The Stem Cap

    Schrader type valve. ▪ After handling the service port, tighten the service port cap, and check for refrigerant leaks. Item Tightening torque (N∙m) Service port cap 11.5~13.9 EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 84: 14 Technical Data

    14 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). 14.1 Service space: Outdoor unit...

  • Page 85: Piping Diagram: Outdoor Unit

    High pressure sensor Electronic expansion valve (main) Solenoid valve (hot gas bypass) Electronic expansion valve (injection) Solenoid valve (injection bypass) Water side Refrigerant side Heating Cooling EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 86: Piping Diagram: Indoor Unit

    Backup heater Quick coupling Shut-off valve, male-female 1" (if equipped) Brazed connection Expansion vessel Magnetic filter/dirt separator Safety valve Air purge Drain valve Loose nut 1" Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 87: Wiring Diagram: Outdoor Unit

    Signal receiver circuit S1NPH High pressure sensor (3) Legend S1PH High pressure switch English Translation S1PL Low pressure switch Legend Legend Current sensor Field supply Field supply EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 88 Electronic expansion valve (injection) Solenoid valve (4‑way valve) Solenoid valve (hot gas bypass) Solenoid valve (injection bypass) Z1C~Z11C Noise filter (ferrite core) Z1F~Z6F (A1P, A2P) Noise filter Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 89: Wiring Diagram: Indoor Unit

    Normal kWh rate power supply Position in switch box Position in switch box Only for normal power supply Only for normal power supply (standard) (standard) EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 90 Normally open Normally open thermostat thermostat Safety thermostat contact: 16 V Safety thermostat contact: DC detection (voltage supplied 16 V DC detection (voltage by PCB) supplied by PCB) Installer reference guide EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...
  • Page 91 4 signal 2 core Only for BRC1HH* 2x0.75 X5M: 11-12 A14P: P1-P2 user interface communication 2 core 2x0.75 A13P: P1-P2 LAN adapter communication 4D120625A EPGA11~16DAV3 + EAVH/X16S18+23DA6V+9W Installer reference guide Daikin Altherma – Low temperature split 4P556070-1 – 2019.02...

  • Page 92: Esp Curve: Indoor Unit

    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 93 1/10 8291 Field settings table [8.7.5] = ..Applicable indoor units EABH16DA6V EABH16DA9W EABX16DA6V EABX16DA9W EAVH16S18DA6V* EAVH16S23DA6V* EAVH16S18DA9W* EAVH16S23DA9W* EAVX16S18DA6V* EAVX16S23DA6V* EAVX16S18DA9W* EAVX16S23DA9W* Notes (*1) *6V (*2) *9W (*3) *AB* (*4) EAV* (*5) *X* (*6) *H* (*7) EAV*18* (*8) EAV*23* 4P556072-1 - 2018.12...
  • Page 94 2/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 8°C └─...
  • Page 95 3/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value Additional zone [2-0D] Emitter type 0: Underfloor heating 1: Fancoil unit 2: Radiator └─ Setpoint range 3.8.1 [9-05] Heating minimum 15~37°C, step: 1°C 25°C...
  • Page 96 4/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ WD curve [0-0B] Leaving water value for high ambient temp. for DHW WD curve. 35~[6-0E]°C, step: 1°C 55°C [0-0C] Leaving water value for low ambient temp.
  • Page 97 5/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-05] Leaving water value for low ambient temp. for LWT add zone cooling WD curve. [9-07]~[9-08]°C, step: 1°C 12°C [0-06] High ambient temp.
  • Page 98 6/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.9.6 [5-07] Limit 3 0~50 A, step: 1 A 50 A 9.9.7 [5-08] Limit 4 0~50 A, step: 1 A 50 A 9.9.8 [5-09]...
  • Page 99 7/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-08] Leaving water value for low ambient temp. for LWT main zone cooling WD curve. [9-03]~[9-02]°C, step: 1°C 22°C [1-09] Leaving water value for high ambient temp.
  • Page 100 8/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-02] Space heating priority. 0: Disabled 1: Enabled [5-03] Space heating priority temperature. -15~35°C, step: 1°C 0°C [5-04] Set point correction for domestic hot water temperature.
  • Page 101 9/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-00] What is the maximum desired LWT for main zone in heating? [2-0C]=2: 37~60, step: 1°C 55°C [2-0C]≠2: 37~55, step: 1°C 55°C [9-01]...
  • Page 102 10/10 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-04] Is the power saving function available on the outdoor unit? 0: No 1: Yes [E-05] Can the system prepare domestic hot water? 0: No (*3) 1: Yes (*4) [E-06]...
  • Page 104 4P556070-1 2019.02...

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