Daikin ERGA04-08EVA Installer's Reference Manual
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Daikin ERGA04-08EVA Installer's Reference Manual

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ERGA04E▲V3▼
ERGA06E▲V3H▼
ERGA08E▲V3H▼
ERGA04E▲V3A▼
ERGA06E▲V3A▼
ERGA08E▲V3A▼
Installer reference guide
Daikin Altherma 3 R W
https://daikintechnicaldatahub.eu
EHBH04E▲6V▼
EHBH08E▲6V▼
EHBH08E▲9W▼
EHBX04E▲6V▼
EHBX08E▲6V▼
EHBX08E▲9W▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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Summary of Contents for Daikin ERGA04-08EVA

  • Page 1 Installer reference guide Daikin Altherma 3 R W https://daikintechnicaldatahub.eu ▲= 1, 2, 3, …, 9, A, B, C, …, Z ERGA04E▲V3▼ EHBH04E▲6V▼ ▼= , , 1, 2, 3, …, 9 ERGA06E▲V3H▼ EHBH08E▲6V▼ ERGA08E▲V3H▼ EHBH08E▲9W▼ ERGA04E▲V3A▼ EHBX04E▲6V▼ ERGA06E▲V3A▼ EHBX08E▲6V▼ ERGA08E▲V3A▼ EHBX08E▲9W▼...

  • Page 2: Table Of Contents

    Additional installation site requirements of the outdoor unit in cold climates ........... 7.1.3 Installation site requirements of the indoor unit..................7.1.4 Special requirements for R32 units ....................... 7.1.5 Installation patterns............................Installer reference guide ERGA04~08E + EHBH/X04+08E Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 3 Overview of electrical connections except external actuators ..............110 Connections to the outdoor unit ........................... 110 9.2.1 Specifications of standard wiring components..................... 111 9.2.2 To connect the electrical wiring to the outdoor unit..................111 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 4 13 Maintenance and service 13.1 Maintenance safety precautions ........................... 243 13.2 Yearly maintenance................................ 244 13.2.1 Yearly maintenance outdoor unit: overview....................244 13.2.2 Yearly maintenance outdoor unit: instructions .................... 244 Installer reference guide ERGA04~08E + EHBH/X04+08E Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 5 Table 3 – Minimum bottom opening area for natural ventilation: indoor unit............276 16.8 ESP curve: Indoor unit ..............................277 17 Glossary 18 Field settings table ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 6: About This Document

    A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). Online tools In addition to the documentation set, some online tools are available for installers:...

  • Page 7: Meaning Of Warnings And Symbols

    Indicates a situation that could result in death or serious injury. WARNING: FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 8: Installer Reference Guide At A Glance

    Piping installation What to do and know to install the piping of the system, including information on how to prepare for an installation ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 9 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 10: General Safety Precautions

    WARNING Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin unless otherwise specified. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).

  • Page 11: Installation Site

    ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 12 ONLY use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 13: Water

    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. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 14 Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 15 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 16: Specific Installer Safety Instructions

    WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. ERGA04~08E + EHBH/X04+08E...
  • Page 17 Do NOT re-use flares. Use new flares to prevent refrigerant gas leakage. ▪ Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 18 ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 19 This maximum allowable hot water temperature shall be selected according to the applicable legislation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 20 NEVER shunt safety devices or change their values to a value other than the factory default setting. If you are unable to find the cause of the problem, call your dealer. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 21 ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 22: About The Box

    1 Handle the unit using the sling to the left and the handle to the right. Pull up both sides of the sling at the same time to prevent disconnection of the sling from the unit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 23: To Remove The Accessories From The Outdoor Unit

    1× 1× 1× 2× 1× ENERG ENERG a Outdoor unit installation manual b Fluorinated greenhouse gases label c Multilingual fluorinated greenhouse gases label d Energy label ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 24: Indoor Unit

    Indoor unit installation manual d Operation manual e WLAN cartridge f Sealing ring for shut-off valve g Shut-off valve h Differential pressure bypass valve i Wall bracket ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 25: About The Units And Options

    Refrigerant R32 Capacity class Model series Power supply [—]=Non-Austrian model H=Non-Austrian model (30 m height difference allowed if outdoor unit is at highest location) A=Austrian model Model series ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 26: Identification Label: Indoor Unit

    5.2.3 Possible options for the outdoor unit Drain pan kit (EKDP008D) The drain pan kit is required to gather the drain from the outdoor unit. The drain pan kit consists of: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 27: Possible Options For The Indoor Unit

    Remote sensor for wireless thermostat (EKRTETS) You can use the remote indoor temperature sensor (EKRTETS) only in combination with the wireless thermostat (EKRTR1 or EKRTRB). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 28 PC. It gives the possibility to update the hydro software and EEPROM. For installation instructions, see: ▪ Installation manual of the PC cable ▪ "10.1.2 To connect the PC cable to the switch box" [  137] ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 29 Stainless steel tank (standard): Inclusive booster heater ▪ EKHWS150D3V3 / EKHWSP150D3V3 ▪ EKHWS180D3V3 / EKHWSP180D3V3 ▪ EKHWS200D3V3 / EKHWSP200D3V3 ▪ EKHWS250D3V3 / EKHWSP250D3V3 ▪ EKHWS300D3V3 / EKHWSP300D3V3 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 30 The installation of the optional Smart grid relay kit is required in case of high voltage Smart grid contacts (EKRELSG). For installation instructions, see "9.3.11 To connect a Smart Grid" [  129]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 31: Application Guidelines

    Setting up the domestic hot water tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 32: Setting Up The Space Heating/Cooling System

    SH normal/DHW off NOTICE A differential pressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 33: Single Room

    For your daily needs, you can use preset values and schedules. To deviate from your daily needs, you can temporarily overrule the preset values and schedules, or use the holiday mode. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 34 Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/OFF signals, it is specifically designed for the heat pump system. ▪...
  • Page 35 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 36 (X2M/35 and X2M/30). ▪ The space operation mode is sent by one digital output (X2M/4 and X2M/3) on the indoor unit to: The heat pump convectors The shut-off valve ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 37: Multiple Rooms - One Lwt Zone

    ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 38 Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits ▪ Easy. Same installation as for one room, but with thermostatic valves. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 39 Compared with underfloor heating or radiators for one room: ▪ Comfort. You can set the desired room temperature, including schedules, for each room via the room thermostats. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 40 Unit operation is decided by the ▪ #: [2.9] external thermostat. ▪ Code: [C-07] Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 41 Mind that the operation mode on each external room thermostat and remote controller of the heat pump convectors must be set to match the indoor unit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 42: Multiple Rooms - Two Lwt Zones

    In cooling: 12°C In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 43 (X2M/29 and X2M/21; normally closed shut-off valve output). The room temperature is controlled by the dedicated Human Comfort Interface (BRC1HHDA used as room thermostat). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 44 At the mixing valve station Set the desired main leaving water temperature for heating and/or cooling. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 45: Setting Up An Auxiliary Heat Source For Space Heating

    ▪ During heating operation of the auxiliary boiler, the auxiliary boiler operates to achieve the desired water temperature set via the auxiliary boiler controller. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 46 Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ Make sure the return water to the heat pump does NOT exceed 55°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 55°C.
  • Page 47 K1A Auxiliary relay for activation of indoor unit (field supply) K2A Auxiliary relay for activation of boiler (field supply) Indoor Indoor unit Auto Automatic Boiler Boiler ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 48: Setting Up The Domestic Hot Water Tank

    Are there any other domestic hot water — needs? Example: If the DHW consumption of a family (4 persons) per day is as follows: ▪ 3 showers ▪ 1 bath ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 49 DHW tank during the day. If energy prices are lower during the night, we recommend to heat up the DHW tank during the night. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 50: Setup And Configuration - Dhw Tank

    DHW pump (field supply) e Recirculation connection f Motorised 3-way valve (field supply) ▪ By connecting a DHW pump, instant hot water can be available at the tap. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 51: Dhw Pump For Disinfection

    If applicable legislation requires disinfection of the water piping until the tapping point, you can connect a DHW pump and heater element (if needed) as shown above. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 52: Dhw Pump For Tank Preheating

    The indoor unit can control DHW pump operation. For more information, see "10 Configuration" [  134]. 6.5 Setting up the energy metering ▪ Via the user interface, you can read out the following energy data: Produced heat Consumed energy ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 53: Produced Heat

    The consumed energy is calculated internally based on: The actual power input of the outdoor unit The set capacity of the backup heater and booster heater (if applicable) The voltage ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 54: Normal Kwh Rate Power Supply

    *6V (6V3: 1N~ 230 V). ▪ Three-phase outdoor unit Three-phase ▪ Backup heater supplied from a three- phase grid, i.e. the backup heater model is: *6V (6T1: 3~ 230 V) *9W (3N~ 400 V) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 55: Preferential Kwh Rate Power Supply

    6.5.4 Preferential kWh rate power supply General rule ▪ Power meter 1: Measures the outdoor unit. ▪ Power meter 2: Measures the rest (i.e. indoor unit, backup heater and optional booster heater). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 56: Setting Up The Power Consumption Control

    Allows you to limit the power consumption of the entire heat pump system (sum of indoor unit and backup heater) with one permanent setting. ▪ Limitation of power in kW or current in A. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 57: Permanent Power Limitation

    Select the type of limitation (power in kW or current in A) Set the desired power limitation level 6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 58 Application guidelines The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪ Current (in A) ▪...

  • Page 59: Power Limitation Process

    Consumed energy A Outdoor unit B Booster heater C Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Booster heater turned ON ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 60: Bbr16 Power Limitation

    You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 61 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 62: Unit Installation

    Also read the following requirements: ▪ General installation site requirements. See the "General safety precautions" chapter. ▪ Refrigerant piping requirements (length, height difference). See further in this "Preparation" chapter. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 63 It is recommended to install a baffle plate when the air outlet is exposed to wind. It is recommended to install the outdoor unit with the air inlet facing the wall and NOT directly exposed to the wind. a Baffle plate ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 64 Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only, and for the following ambient temperatures: Cooling mode 10~43°C Heating mode –25~25°C ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 65: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    NOT affect the unit. If lateral snowfall is possible, make sure that the heat exchanger coil is NOT affected by the snow. If necessary, install a snow cover or shed and a pedestal. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 66: Installation Site Requirements Of The Indoor Unit

    H Height measured from the bottom of the casing to the floor Additionally to the spacing guidelines: The room where you install the indoor unit must also comply with the conditions described in "7.1.5  Installation patterns" [  67]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 67: Special Requirements For R32 Units

    Joints made in the installation between parts of the refrigerant system shall be accessible for maintenance purposes. WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. NOTICE ▪...
  • Page 68 "16.6  Table 2 – Minimum floor area: indoor unit"  [   275] and "16.7  Table 3 – Minimum bottom opening area for natural ventilation: indoor unit" [  276]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 69 ▪ Must be a permanent opening that cannot be closed. nv-min ▪ Must be ≥50% of A (minimum bottom opening area). nv-min ▪ Must be ≥1.5 m from the floor. (≥A nv-min ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 70 For intermediate refrigerant charges, use the row with the higher value. Example: If the refrigerant charge is 4.3 kg, use the row of 4.4 kg. Total refrigerant charge (kg) (dm²) nv-min ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 71: Opening And Closing The Units

    DANGER: RISK OF BURNING/SCALDING "8.2.8  To connect the refrigerant piping to the outdoor unit"  [   90] and "9.2.2 To connect the electrical wiring to the outdoor unit" [  111]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 72: To Close The Outdoor Unit

    3 Switch box 4 User interface panel Open 1 Remove the front panel. 2 If you have to connect electrical wiring, remove the switch box cover. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 73 5 Optional: Remove the user interface panel. NOTICE If you remove the user interface panel, also disconnect the cables from the back of the user interface panel to prevent damage. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 74: To Close The Indoor Unit

    7.3.2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  10] ▪ "7.1 Preparing the installation site" [  62] ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 75: To Provide The Installation Structure

    Maximum snowfall height Option 2: On plastic mounting feet In this case, you can use the bolts, nuts, washers and spring washers delivered with the unit as accessories. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 76 EKFT008D option kit Option 4: On brackets to the wall with the EKFT008D option kit The EKFT008D option kit is recommended in areas with heavy snowfall. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 77: To Install The Outdoor Unit

    Do NOT remove the protective cardboard before the unit is installed properly. 1 Lift the outdoor unit as described in "4.1.2 To handle the outdoor unit" [  22]. 2 Install the outdoor unit as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 78: To Provide Drainage

    If you install the unit on a frame, install a waterproof plate within 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). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 79 Non-heated drain tube. When using the drain pan heater without drain tube or with a non-heated drain tube, remove the drain hole insulation (Item c on the illustration). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 80: To Prevent The Outdoor Unit From Falling Over

    3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint (field supply). 4 Attach the ends of the cables. 5 Tighten the cables. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 81: Mounting The Indoor Unit

    Optional: If you want to fix the unit to the wall from inside the unit, provide an additional screw plug. 2 Lift the unit. 42 kg 3 Attach the unit to the wall bracket: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 82: To Connect The Drain Hose To The Drain

    1 Connect a drain tube (field supply) to the drain pan connector as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 83 Unit installation a Drain pan connector It is recommended to use a tundish to collect the water. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 84: Piping Installation

    [   67] for additional requirements. ▪ Piping length: See "7.1.3 Installation site requirements of the indoor unit" [  66]. ▪ Piping material: phosphoric acid deoxidised seamless copper ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 85: Refrigerant Piping Insulation

    Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the outdoor unit ▪ Connecting the refrigerant piping to the indoor unit ▪ Insulating the refrigerant piping ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 86: Precautions When Connecting The Refrigerant Piping

    Use caution when passing copper tubes through walls (see figure below). Unit Installation period Protection method Outdoor unit >1 month Pinch the pipe <1 month Pinch or tape the pipe Indoor unit Regardless of the period ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 87: Guidelines When Connecting The Refrigerant Piping

    1 Cut the pipe end with a pipe cutter. 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 88: To Braze The Pipe End

    ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 89: Using The Stop Valve And Service Port

    1 Remove the stop valve cover. 2 Insert a hexagon wrench (liquid side: 4  mm, gas side: 4  mm) into the valve stem and turn the valve stem: Counterclockwise to open ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 90: To Connect The Refrigerant Piping To The Outdoor Unit

    Piping protection. Protect the field piping against physical damage. 1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit. 1× a Liquid stop valve ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 91: To Connect The Refrigerant Piping To The Indoor Unit

    Checking the refrigerant piping typically consists of the following stages: Checking for leaks in the refrigerant piping. Performing vacuum drying to remove all moisture, air or nitrogen from the refrigerant piping. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 92: Precautions When Checking The Refrigerant Piping

    Soap water contains ammonia which may lead to corrosion of flared joints (between the brass flare nut and the copper flare). 3 Discharge all nitrogen gas. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 93: To Perform Vacuum Drying

    NOT increase. This might be caused by e.g. the closed state of the expansion valve in the outdoor unit circuit, but does NOT present any problem for correct operation of the unit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 94: To Insulate The Refrigerant Piping

    When relocating the system. ▪ After a leak. Charging additional refrigerant Before charging additional refrigerant, make sure the outdoor unit's external refrigerant piping is checked (leak test, vacuum drying). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 95: Precautions When Charging Refrigerant

    For more information, see "7.1.3  Installation site requirements of the indoor unit" [  66]. If the total liquid piping Then… length is… ≤10 m Do NOT add additional refrigerant. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 96: To Determine The Complete Recharge Amount

    Factory refrigerant charge: see unit name plate c Additional refrigerant amount charged ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 97: Preparing Water Piping

    ▪ Glycol. For safety reasons, it is NOT allowed to add any kind of glycol to the water circuit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 98 Backup heater e Pump f Shut-off valve g Motorised 3-way valve (supplied with the domestic hot water tank) h Motorised 2-way valve (field supply) i Collector ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 99 Recirculation connection b Hot water connection c Shower ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 100: Formula To Calculate The Expansion Vessel Pre-Pressure

    M1...3 Individual motorised valve to control loop FHL1...3 (field supply) Maximum water volume Use the following graph to determine the maximum water volume for the calculated pre-pressure. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 101 This minimum flow rate is required during defrost/backup heater operation. For this purpose, use the differential pressure bypass valve delivered with the unit, and respect the minimum water volume. Minimum required flow rate 12 l/min ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 102: Changing The Pre-Pressure Of The Expansion Vessel

    Example 2 The indoor unit is installed at the highest point in the water circuit. The total water volume in the water circuit is 250 l. Actions: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 103: Connecting Water Piping

    To ensure the minimum flow rate (and prevent overpressure), install the differential pressure bypass valve on the space heating water outlet. 1 Install the shut-off valves on the water pipes. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 104 In case an optional domestic hot water tank is installed: A pressure relief valve (field supply) with an opening pressure of maximum 10 bar (= 1 MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 105: To Fill The Water Circuit

    If the temperature is higher than 30°C and the humidity is higher than RH 80%, the thickness of the insulation materials should be at least 20  mm to prevent condensation on the surface of the insulation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 106: Electrical Installation

    Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. WARNING ALWAYS use multicore cable for power supply cables. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 107: Guidelines When Connecting The Electrical Wiring

    2 Install a round crimp-style terminal on the end of the wire. Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 108 M4 (earth) Indoor unit: Item Tightening torque (N•m) 2.45 ±10% 0.88 ±10% 0.88 ±10% 2.45 ±10% X7M, X8M 2.45 ±10% X10M 0.88 ±10% M4 (earth) 1.47 ±10% ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 109: About Electrical Compliance

    OFF mode. At that moment, the outdoor unit compressor will NOT operate. The wiring to the unit is different depending on whether the power supply is interrupted or NOT. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 110: Overview Of Electrical Connections Except External Actuators

    9.2 Connections to the outdoor unit Item Description Power supply cable "9.2.2 To connect the electrical wiring to the outdoor unit" [  111]. Interconnection cable ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 111: Specifications Of Standard Wiring Components

    1 Remove the switch box cover. 2× 2 Remove the refrigerant piping cover. 1× 3 Strip insulation (20 mm) from the wires. a Strip wire end to this point ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 112 6 Reattach the refrigerant piping cover. Make sure the cables are routed under the cover as shown: 7 Connect an earth leakage circuit breaker and fuse to the power supply line. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 113: Connections To The Indoor Unit

    Maximum running current: 100 mA For the main zone: ▪ [2.9] Control ▪ [2.A] Ext thermostat type For the additional zone: ▪ [3.A] Ext thermostat type ▪ [3.9] (read-only) Control ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 114 See: ▪ Installation manual of the remote indoor sensor ▪ Addendum book for optional equipment Wires: 2×0.75 mm² [9.B.1]=2 (External sensor = Room) [1.7] Room sensor offset ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 115 Installation manual of the domestic hot heater (from mains to water tank indoor unit) ▪ Addendum book for optional equipment Wires: 2+GND Maximum running current: 13 A [9.4] Booster heater ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 116: To Connect The Main Power Supply

    9.3.1 To connect the main power supply 1 Open the following (see "7.2.4 To open the indoor unit" [  72]): 1 Front panel 2 Switch box cover 3 Switch box ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 117 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [9.8] Benefit kWh power supply Connect X11Y to X11YB. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 118: To Connect The Backup Heater Power Supply

    9.3.2 To connect the backup heater power supply Backup heater type Power supply Wires 1N~ 230 V (6V3) 2+GND 3~ 230 V (6T1) 3+GND 3N~ 400 V 4+GND ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 119 Z less than or equal to Z Connect the backup heater power supply as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 120 (13) 7 Q1DI 1N~, 50 Hz 230 V AC *6V (6T1: 3~ 230 V) (14) 8 (13) 7 Q1DI 3~, 50 Hz L1 L2 L3 230 V AC ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 121: To Connect The Shut-Off Valve

    2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. NOTICE Wiring is different for a NC (normally closed) valve and a NO (normally open) valve. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 122: To Connect The Electricity Meters

    1 Front panel 2 Switch box cover 3 Switch box 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 123: To Connect The Domestic Hot Water Pump

    1 Front panel 2 Switch box cover 3 Switch box 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 124: To Connect The Alarm Output

    2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. Wires connected to the alarm output Wire between X2M and A4P Installation of EKRP1HBAA is required. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 125: To Connect The Space Cooling/Heating On/Off Output

    1 Front panel 2 Switch box cover 3 Switch box 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 126: To Connect The Changeover To External Heat Source

    Wires: 2×0.75 mm² Maximum load: 0.3 A, 250 V AC Minimum load: 20 mA, 5 V DC [9.C] Bivalent 1 Open the following (see "7.2.4 To open the indoor unit" [  72]): ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 127: To Connect The Power Consumption Digital Inputs

    1 Front panel 2 Switch box cover 3 Switch box 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 128: To Connect The Safety Thermostat (Normally Closed Contact)

    2 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. Note: The jumper wire (factory-mounted) must be removed from the respective terminals. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 129: To Connect A Smart Grid

    In case of high voltage Smart Grid contacts. This requires the installation of the Smart Grid relay kit (EKRELSG). The 2 incoming Smart Grid contacts can activate the following Smart Grid modes: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 130 /S10S Low voltage Smart Grid contact 1 /S11S Low voltage Smart Grid contact 2 1 Connect the wiring as follows: X5M.4 X5M.3 X5M.10 S10S X5M.9 X5M.6 S11S X5M.5 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 131 Smart Grid pulse meter 1 Install the components of the Smart Grid relay kit as follows: ×2 ×4 X10M ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 132 X10M K1A K2A 2 Connect the low voltage wiring as follows: X5M.4 X5M.3 S4S Smart Grid pulse meter 3 Connect the high voltage wiring as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 133: To Connect The Wlan Cartridge (Delivered As Accessory)

    9.3.12 To connect the WLAN cartridge (delivered as accessory) [D] Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 134: Configuration

    The calculations of the software ▪ What you can see on and do with the user interface You can configure the system via the user interface. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 135: To Access The Most Used Commands

    Move the cursor from left to right. ▪ Confirm the pin code and proceed. Installer pin code The Installer pin code is 5678. Additional menu items and installer settings are now available. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 136 3 Turn the left dial to select the first part of the setting and confirm by pressing the dial. 4 Turn the left dial to select the second part of the setting 01 15 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 137: To Connect The Pc Cable To The Switch Box

    2 Connect the plug of the cable to X10A on A1P of the switch box of the indoor unit. X10A 3 Pay special attention to the position of the plug! ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 138: Configuration Wizard

     164] Control [2.9] Setpoint mode [2.4] Heating WD curve [2.5] (if applicable) Cooling WD curve [2.6] (if applicable) Schedule [2.1] Additional zone (only if [4.4]=1) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 139: Possible Screens

    Home screen b Main menu screen c Lower level screens: c1: Setpoint screen c2: Detailed screen with values c3: Screen with weather-dependent curve c4: Screen with schedule ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 140: Home Screen

    Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating Outdoor / quiet mode Measured outdoor temperature Quiet mode active Outdoor unit ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 141 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 142: Main Menu Screen

    Shows the applicable symbol of your unit. Space heating/ cooling Put the unit in heating mode or cooling mode. You cannot change the mode on heating only models. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 143: Menu Screen

    The setpoint screen is displayed for screens describing system components that need a setpoint value. Examples [1] Room temperature screen [2] Main zone screen °C °C – – Room Main zone ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 144: Detailed Screen With Values

    Selected setting and value Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. Confirm changes and proceed. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 145: Preset Values And Schedules

    "Possible to a schedule. schedules" [  146] Select which schedule you currently want to use for a specific control. The system contains some predefined schedules. You can: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 146 This entry shows you where to activate it. ▪ Possible actions: Actions you can use when programming a schedule. For most schedules, you can program up to 6 actions per day. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 147 "To set the space operation mode" [  180]. cooling > Operation mode schedule Schedule (per month) for when to operate the unit in heating mode and when in cooling mode. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 148 Possible actions: You can program 2 actions per > Booster heater > BSH day. allowance schedule ▪ Off: Booster heater operation NOT allowed. ▪ On: Booster heater operation allowed. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 149: Schedule Screen: Example

    To clear the content of the week schedule 1 Select the name of the current schedule. User defined 1 2 Select Delete. Delete Rename Select 3 Select OK to confirm. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 150 In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 151 5 Repeat this action for all other weekdays. — User defined 1 To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 152 Not all schedules can be renamed. Usage example: You work in a 3-shift system If you work in a 3-shift system, you can do the following: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 153: Setting The Energy Prices

    2 Program the selection using the scheduling screen. You can set — the High, Medium and Low electricity prices according to your electricity supplier. 3 Confirm the changes. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 154 Gas price=4.08+(5×0.9) Gas price=8.58 Calculation of the electricity price Electricity price=Actual electricity price+Incentive/kWh Electricity price=12.49+5 Electricity price=17.49 Price Value in breadcrumb Gas: 4.08 /kWh [7.6]=8.6 Electricity: 12.49 /kWh [7.5.1]=17 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 155: Weather-Dependent Curve

    See "10.5.4 Using weather-dependent curves" [  158]. 10.5.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 156: Slope-Offset Curve

    Examples Weather-dependent curve when slope is selected: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 157 The icon corresponds to the heat emitter for that zone: ▪ : Underfloor heating ▪ : Fan coil unit ▪ : Radiator ▪ : Domestic hot water tank ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 158: Using Weather-Dependent Curves

    Zone Go to … Main zone – Heating [2.5] Main zone > Heating WD curve Main zone – Cooling [2.6] Main zone > Cooling WD curve ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 159 — ↑ Cold Cold ↑ ↑ ↑ ↑ Cold ↓ ↑ ↓ ↑ — ↓ — ↓ Cold ↑ ↓ ↑ ↓ ↓ ↓ ↓ ↓ ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 160: Settings Menu

    ▪ No: Room temperature is directly controlled by the user. ▪ Yes: Room temperature is controlled by a schedule and can be modified by the user. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 161 Antifrost function via the backup heater. If the backup heater is not allowed for room frost protection during a U4 error, the room Antifrost setting MUST be disabled. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 162 Space heating/cooling is ON and Room frost protection is guaranteed by the external room thermostat is the normal logic. "Thermo ON" In case of two leaving water temperature zones: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 163 When adjusting the room temperature ranges, all desired room temperatures are also adjusted to guarantee they are between the limits. Code Description [1.5.1] [3-07] Heating minimum ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 164: Main Zone

    [1.9.1] [9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 10.6.3 Main zone Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 165 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.4.3 Schedule screen: Example" [  149]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.4.3 Schedule screen: Example" [  149]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 166 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 167 Note: This value should be lower than [1‑02] as for high outdoor temperatures less warm water is required. Cooling WD curve Set weather-dependent cooling for the main zone (if [2.4]=2): ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 168 It is important to set Emitter type correctly and in accordance with your system layout. The target delta T for the main zone depends on it. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 169 Example underfloor heating: 40–5/2=37.5°C To compensate, you can: ▪ Increase the weather-dependent curve desired temperatures [2.5]. ▪ Enable leaving water temperature modulation and increase the maximum modulation [2.C]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 170 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~65°C ▪ Else: 37°C~55°C [2.8.3] [9-03] Cooling minimum: ▪ 5°C~18°C [2.8.4] [9-02] Cooling maximum: ▪ 18°C~22°C ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 171 Leaving water temperature: Delta T In heating for the main zone, the target delta T (temperature difference) depends on the selected emitter type for the main zone. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 172 ▪ 3°C~10°C Leaving water temperature: Modulation Only applicable in case of room thermostat control. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 173 See the illustration below. +[8-06] −[8-06] a Weather-dependent curve b Minimum leaving water temperature setpoint required to reach a stable condition on the comfort setpoint for the room. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 174 The weather-dependent curve can be defined using the 2-points method or the Slope-Offset method. "10.5.2 2-points curve" [  155] and "10.5.3 Slope-offset curve" [  156]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 175: Additional Zone

    Example" [  149]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [  166]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 176 Note: This value should be lower than [0‑01] as for high outdoor temperatures less warm water is required. Cooling WD curve Set weather-dependent cooling for the additional zone (if [3.4]=2): ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 177 2: Radiator The setting of the emitter type has an influence on the space heating setpoint range and the target delta T in heating as follows: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 178 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "10.6.3 Main zone" [  164]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 179: Space Heating/Cooling

    ▪ 2-points ▪ Slope-Offset 10.6.5 Space heating/cooling INFORMATION Cooling is only applicable in case of reversible models. Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 180 While the unit is in operation, the status indicator will light up blue constantly. To set the space operation mode 1 Go to [4.1]: Space heating/cooling > Operation mode ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 181 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 182 The space operation only changes from heating to cooling when the room temperature rises above the desired cooling temperature added by the hysteresis value. ▪ Range: 1°C~10°C ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 183 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 184 ON or OFF condition. Remark: Continuous pump operation requires more energy than sample or request pump operation. a Space heating/cooling control b Off c On d Pump operation ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 185 In this part of the menu it can be read out which type of unit is used: Code Description [4.6] [E‑02] Unit type: ▪ 0 Reversible ▪ 1 Heating only ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 186 7: 70% pump speed during sampling ▪ 8: 60% pump speed during sampling The maximum values depend on the unit type: [9-0D]=0 [9-0D]=1/5 a (kPa) a (kPa) b (l/min) b (l/min) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 187 0°C.This compensation can be selected when using an absolute or a weather dependent desired temperature (see illustration below). 0°C 0°C a Absolute desired LWT b Weather dependent desired LWT ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 188: Tank

    Antifrost [1.4] or [4.C] prevents the room from getting too cold. For more information about room frost protection, see "10.6.2 Room" [  160]. 10.6.6 Tank Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 189 When powerful operation is active, the risk of space heating/cooling and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long space heating/cooling interruptions will happen. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 190 The domestic hot water can be prepared in 3 different ways. They differ from each other by the way the desired tank temperature is set and how the unit acts upon it. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 191 3: Wednesday ▪ 4: Thursday ▪ 5: Friday ▪ 6: Saturday ▪ 7: Sunday [5.7.3] [2‑02] Start time [5.7.4] [2‑03] Tank setpoint: 55°C~75°C [5.7.5] [2‑04] Duration: 5~60 minutes ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 192 When the Schedule only mode is selected, it is recommended to program an Eco action 3 hours before the scheduled start-up of the disinfection function to preheat the tank. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 193 Code Description [5.A] [6-08] Reheat hysteresis ▪ 2°C~20°C ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 194 (according to the weather-dependent curve). During weather-dependent operation, the end-user cannot adjust the desired tank temperature on the user interface. Also see "10.5  Weather-dependent curve" [  155]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 195 Code Description [5.D] [6-01] The temperature difference determining the heat pump OFF temperature. Range: 0°C~10°C Example: setpoint (T )>maximum heat pump temperature–[6‑01] (T –[6‑01]) HP MAX ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 196 In [2.E] WD curve type, you can choose which method you want to use. In [5.E] WD curve type, the chosen method is shown read-only (same value as in [2.E]). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 197: User Settings

    Setting the starting date and ending date of your holiday. To check if holiday mode is activated and/or running is displayed on the home screen, holiday mode is active. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 198 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Mode. 2 Do one of the following: — ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 199 3 Define the restrictions (time + level) to be used after midday (PM): ▪ [7.4.4.4] PM Restricted time Example: From 3 p.m. to 7 p.m. ▪ [7.4.4.5] PM Restricted level Example: Most quiet ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 200 To set the electricity price 1 Go to [7.5.1]/[7.5.2]/[7.5.3]: User settings > Electricity price > High/Medium/Low. 2 Select the correct electricity price. 3 Confirm the changes. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 201 This is an example and the prices and/or values used in this example are NOT accurate. Data Price/kWh Gas price 4.08 Electricity price 12.49 Renewable heat incentive per kWh ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 202: Information

    Example: Energy meterings, holiday settings. INFORMATION This does not reset the configuration settings and field settings of the indoor unit. Code Description [8.A] Reset the MMI EEPROM to factory default ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 203: Installer Settings

    WLAN. [8.9] Running hours Running hours of specific system components 10.6.9 Installer settings Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 204 The following setting determines if the system can prepare domestic hot water or not, and which tank is used. Set this setting according to the actual installation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 205 Third-party tank Coil≥1.05 m² Coil≥1.8 m² [9.2.1] [E‑07] Tank type 7: 3rd party, 8: 3rd party, small coil big coil [4-05] Thermistor type 0: Automatic 1: Type 1 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 206 Code Description [9.3.1] [E‑03] ▪ 3: 6V ▪ 4: 9W ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 207 [9.3.5] [6‑04] ▪ The capacity difference between the second and first step of the backup heater at nominal voltage. Nominal value depends on backup heater configuration. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 208 To manually recover it via the user interface, go to the Malfunctioning main menu screen and confirm whether the backup heater and/or booster heater can take over the heat load or not. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 209 Heat pump operation is NOT possible ▪ Cooling is NOT possible Code Description [9.5.2] [7-06] Activation of the Compressor forced off mode: ▪ 0: disabled ▪ 1: enabled ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 210 Range: 0°C~20°C Timers For simultaneous space and domestic hot water operation request. [8-02]: Anti-recycle timer [8-01] [8-02] 1 Heat pump domestic water heating mode (1=active, 0=not active) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 211 [4-02] or [F-01]. Range: 0~95 minutes Water pipe freeze prevention Only relevant for installations with water piping outdoors. This function tries to protect outdoor water piping from freezing. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 212 [D-05] Restriction: Only applicable if [9.8.4] is NOT set to Smart Grid. Allow pump: ▪ 0 No: Pump is forced off ▪ 1 Yes: No limitation ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 213 See also below table (Smart Grid operation modes). [9.8.6] Restriction: Only applicable if [9.8.4]=Smart Grid. To set if electrical heaters are allowed. Allow electrical heaters: ▪ ▪ ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 214 The 2 incoming Smart Grid contacts (see "9.3.11 To connect a Smart Grid" [  129]) can activate the following Smart Grid modes: Smart Grid contact [9.8.5] Smart Grid operation mode Free running Forced off ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 215 NOT possible in Forced on and Recommended on operation modes. Power consumption control Power consumption control "6  Application guidelines"  [   31] for detailed information about this functionality. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 216 Limits when [9.9.1]=Inputs and [9.9.2]=kW: Code Description [9.9.9] [5-09] Limit 1: 0 kW~20 kW [9.9.A] [5-0A] Limit 2: 0 kW~20 kW [9.9.B] [5-0B] Limit 3: 0 kW~20 kW [9.9.C] [5-0C] Limit 4: 0 kW~20 kW ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 217 (BBR16 activation and BBR16 power limit). After 2 weeks, the unit freezes these settings. Note: This is different from the permanent power limitation, which is always changeable. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 218 ▪ 5 1000/kWh: Installed In case of pulse meter for photovoltaic panels: ▪ 6 100/kWh for PV panel: Installed ▪ 7 1000/kWh for PV panel: Installed ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 219 The outdoor temperature is averaged over the selected time period. Code Description [9.B.3] [1-0A] Averaging time: ▪ 0: No averaging ▪ 1: 12 hours ▪ 2: 24 hours ▪ 3: 48 hours ▪ 4: 72 hours ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 220 [C‑03], [C‑04], and T calc Based on the settings above, the heat pump system calculates a value T , which is calc variable between [C‑03] and [C‑03]+[C‑04]. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 221 Boiler efficiency: 0.9 Then: COP = (20/6)×0.9 = 3 Make sure to use the same units of measurement for the electricity price and gas price (example: both c€/kWh). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 222 Depending on the used boiler, this should be chosen as follows: Code Description [9.C.2] [7‑05] ▪ 0: Very high ▪ 1: High ▪ 2: Medium ▪ 3: Low ▪ 4: Very low ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 223 To enable the power saving function setting, [E‑08] needs to be enabled on the user interface. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 224 Do you want to start a defrost operation? ▪ Back ▪ NOTICE Forced defrost start-up. You can only start forced defrost when the heating operation has been running for a while. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 225: Commissioning

    5 Remove the USB memory stick and close the user interface — panel and front panel. 10.6.10 Commissioning Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 226: User Profile

    10.6.13 WLAN INFORMATION Restriction: WLAN settings are only visible when a WLAN cartridge or WLAN module is installed. Overview The following items are listed in the submenu: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 227 See: http://www.onlinecontroller.daikineurope.com/ Configuration To configure the ONECTA app, follow the in-app instructions. While doing this, the following actions and information are needed on the user interface: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 228 ▪ Connected to [WLAN_SSID] Cloud connection: Read out the status of the connection to the cloud. Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 229: Menu Structure: Overview User Settings

    (**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 230: Menu Structure: Overview Installer Settings

    (*) Only applicable in Swedish language. INFORMATION Solar kit settings are shown but are NOT applicable for this unit. Settings shall NOT be used or changed. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 231 Configuration INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 232: Commissioning

    11 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user.

  • Page 233: Precautions When Commissioning

    The fuses or locally installed protection devices are installed according to this document, and have NOT been bypassed. The power supply voltage matches the voltage on the identification label of the unit. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 234: Checklist During Commissioning

    For a correct operating unit, it is important to check if the minimum flow rate is reached. If needed, modify the bypass valve setting. Minimum required flow rate 12 l/min ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 235: Air Purge Function

    During air purge function, pump speed limitation [9‑0D] is NOT applicable. The air purge function automatically stops after 30 minutes. INFORMATION For best results, air purge each loop separately. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 236: Operation Test Run

    Perform test runs on the unit and monitor the leaving water and tank temperatures to check if the unit is working correctly. The following test runs should be made: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 237: Actuator Test Run

    "To change the — user permission level" [  135]. 2 Go to [A.2]: Commissioning > Actuator test run. 3 Select a test from the list. Example: Pump. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 238: Underfloor Heating Screed Dryout

    The UFH screed dryout function can be executed without finishing the outdoor installation. In this case, the backup heater will perform the screed dryout and supply the leaving water without heat pump operation. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 239 The underfloor heating screed dryout function is active even if the user does NOT confirm emergency operation. ▪ During underfloor heating screed dryout, pump speed limitation [9‑0D] is NOT applicable. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 240 2 Press the left dial to open the menu structure and to: 1 View the status of sensors and actuators. — 2 Adjust the current program — ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 241 If the UFH screed dryout program was stopped due to a power failure and the power resumes, the program will automatically restart the last implemented step. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 242: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain about energy saving tips to the user as described in the operation manual. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 243: Maintenance And Service

    General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance.

  • Page 244: Yearly Maintenance

    3 Connect a drain hose to the bottom of the water filter so that the water and dirt can be collected in a suitable container (bottle, sink...). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 245 ▪ Check if nothing blocks the water in the valve or in between piping. The water flow coming from the relief valve must be high enough. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 246: About Cleaning The Water Filter In Case Of Trouble

    Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. 1 The water filter is located behind the switch box. To get access to it, see: ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 247: To Clean The Water Filter In Case Of Trouble

    Opening the magnetic filter/dirt separator is ONLY required in case of severe issues. Preferably this action is never to be done during the complete lifetime of the magnetic filter/dirt separator. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 248: To Install The Water Filter

    Check the condition of the O-rings and replace if needed. Apply water or silicon grease to the O-rings before installation. 1 Install the water filter in the correct location. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 249 3 Make sure that the air purge valve of the water filter is in the open position. 4 Open the stop valves and add water to the water circuit if needed. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 250: Troubleshooting

    NEVER shunt safety devices or change their values to a value other than the factory default setting. If you are unable to find the cause of the problem, call your dealer. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 251: Solving Problems Based On Symptoms

    Make sure that the water volume in the too low installation is above the minimum required value (see "8.5.3 To check the water volume and flow rate" [  100]). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 252: Symptom: Hot Water Does Not Reach The Desired Temperature

    14.3.4 Symptom: The system is making gurgling noises after commissioning Possible cause Corrective action There is air in the system. Purge air from the system. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 253: Symptom: The Pump Is Making Noise (Cavitation)

    ▪ The pre-pressure setting of the expansion vessel is correct (see "8.5.4  Changing the pre-pressure of the expansion vessel" [  102]). ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 254: Symptom: The Pressure Relief Valve Opens

    ▪ If the water keeps running out of the unit, close both the water inlet and outlet shut-off valves first and then contact your dealer. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 255: Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures

    Increase the "space heating priority temperature" to activate backup heater operation at a higher outdoor temperature. [9.6.3]: Installer settings > Balancing > Offset BSH setpoint [5‑03] ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 256: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High

    INFORMATION See the service manual for: ▪ The complete list of error codes ▪ A more detailed troubleshooting guideline for each error ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 257: To Display The Help Text In Case Of A Malfunction

    Abnormal increase outlet water temperature (DHW) 8H-00 Abnormal increase outlet water temperature 8H-01 Overheating/undercooling mixed water circuit 8H-02 Overheating mixed water circuit (thermostat) 8H-03 Overheating water circuit (thermostat) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 258 H1-00 External temperature sensor problem H3-00 OU: Malfunction of high pressure switch (HPS) H5-00 Malfunction of compressor overload protection H6-00 OU: Malfunction of position detection sensor ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 259 U5-00 User interface communication problem U7-00 OU: Transmission malfunction between main CPU- INV CPU U8-01 Connection with LAN adapter lost U8-02 Connection with room thermostat lost ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 260 INFORMATION A malfunctioning booster heater will have an impact on energy metering and power consumption control. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 261 Troubleshooting INFORMATION The user interface will display how to reset an error code. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 262: Disposal

    If the compressor is still running and the stop valve is open during pump down, air will be sucked into the system. Compressor breakdown or damage to the system can result due to abnormal pressure in the refrigerant cycle. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 263 6 After 2-3  minutes, close the gas stop valve and stop the pump down operation. a Liquid stop valve b Closing direction c Hexagonal wrench d Valve lid e Gas stop valve ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 264: Technical Data

    Technical data 16 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of the latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 16.1...

  • Page 265: Piping Diagram: Outdoor Unit

    S1PH High pressure switch (automatic reset) g Capillary tube Y1E Electronic expansion valve h Heat exchanger Y1S Solenoid valve (4‑way valve)(ON: cooling) i Accumulator Heating j Compressor accumulator Cooling k Muffler ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 266: Piping Diagram: Indoor Unit

    Shut-off valve for service f Magnetic filter/dirt separator g Safety valve h Air purge i Drain valve j Flow sensor k Expansion vessel l Backup heater m Pump ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 267: Wiring Diagram: Outdoor Unit

    (3) Legend Connector Capacitor Rectifier bridge Connector Connector Connector Fuse T 6.3 A 250 V FU1, FU2 Fuse T 3.15 A 250 V Fuse T 30 A 250 V Connector IPM* Intelligent power module ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 268 Connector V3, V4, V401 Varistor Connector Terminal strip Electronic expansion valve Solenoid valve (4-way valve) Noise filter (ferrite core) Noise filter * Optional # Field supply ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 269: Wiring Diagram: Indoor Unit

     Ext outdoor thermistor  External outdoor thermistor  Digital I/O PCB  Digital I/O PCB  Demand PCB  Demand PCB  Safety thermostat  Safety thermostat  Smart Grid  Smart Grid  WLAN module  WLAN module ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 270 * High voltage Smart Grid relay K1M, K2M Contactor backup heater * Contactor booster heater Safety contactor backup heater Relay 3-way valve bypass Relay 3-way valve flow ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 271 Indoor unit supplied from outdoor Normal kWh rate power supply Normal kWh rate power supply Only for normal power supply Only for normal power supply (standard) (standard) ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 272 For high voltage Smart Grid For LV smartgrid For low voltage Smart Grid For safety thermostat For safety thermostat For smartgrid For Smart Grid Inrush Inrush current ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 273 Only for heat pump convector Only for heat pump convector Only for wired On/OFF thermostat Only for wired ON/OFF thermostat Only for wireless On/OFF thermostat Only for wireless ON/OFF thermostat ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 274 A14P: P1-P2 user interface Power limitation demand input 4 A8P: X801M: 4-5 communication signal Only for LAN adapter 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D130334D ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 275 8.76 8.02 6.78 5.98 5.57 5.21 4.90 4.62 1.88 8.95 8.19 6.93 6.05 5.63 5.27 4.95 4.67 1.90 9.14 8.36 7.08 6.11 5.69 5.32 5.00 4.72 ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...
  • Page 276 For intermediate dm values (i.e. when dm is between two dm values from the table), consider the value that corresponds to the higher dm value from the table. If dm=1.55 kg, consider the value that corresponds to "dm=1.6 kg". ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 277: Esp Curve: Indoor Unit

    See also the minimum and maximum allowed water flow range in the technical specifications. ▪ Make sure water quality complies with EU directive 2020/2184. ERGA04~08E + EHBH/X04+08E Installer reference guide Daikin Altherma 3 R W 4P629085-1E – 2024.04...

  • Page 278: 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 the product according to the instructions in the accompanying documentation.

  • Page 279: Field Settings Table

    1/11 Field settings table Applicable indoor units EHBX04E▲6V▼ EHBX08E▲6V▼ EHBX08E▲9W▼ EHBH04E▲6V▼ EHBH08E▲6V▼ EHBH08E▲9W▼ EHVX04S18E▲3V▼ EHVX04S18E▲6V▼ EHVX04S23E▲3V▼ EHVX04S23E▲6V▼ EHVX08S18E▲6V▼ EHVX08S18E▲9W▼ EHVX08S23E▲6V▼ EHVX08S23E▲9W▼ EHVH04S18E▲6V▼ EHVH04S23E▲6V▼ EHVH08S18E▲6V▼ EHVH08S18E▲9W▼ EHVH08S23E▲6V▼ EHVH08S23E▲9W▼ EHVH04SU18E▲6V▼ EHVH04SU23E▲6V▼ EHVH08SU18E▲6V▼ EHVH08SU23E▲6V▼ Notes (*1) *3V* (*2) *6V* (*3) *9W* (*4) EHB* (*5) EHV* (*6) *X* (*7) *H*...
  • Page 280 2/11 Installer setting at variance with Field settings table 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 12°C └─...
  • Page 281 3/11 Installer setting at variance with Field settings table 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 282 4/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [6-00] Hysteresis 2~40°C, step: 1°C 25°C [6-08] Hysteresis 2~20°C, step: 1°C 10°C Setpoint mode 0: Fixed 1: Weather dependent └─...
  • Page 283 5/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Schedule 0: No 1: Yes [0-00] Leaving water value for high ambient temp. for LWT add zone heating WD curve. [9-05]~min(45,[9-06])°C, step: 1°C 35°C [0-01]...
  • Page 284 6/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Benefit kWh power supply 9.8.2 [D-00] Allow heater 0: None 1: BSH only 2: BUH only 3: All heaters 9.8.3 [D-05] Allow pump...
  • Page 285 7/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-06] High ambient temp. for LWT add zone cooling WD curve. 25~43°C, step: 1°C 35°C [0-07] Low ambient temp. for LWT add zone cooling WD curve. 10~25°C, step: 1°C 20°C [0-0B]...
  • Page 286 8/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-01] Which electric heater has priority? 0: None 1: BSH 2: BUH [4-02] Below which outdoor temperature is heating allowed? 14~35°C, step: 1°C 22°C [4-03]...
  • Page 287 9/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [7-02] How many leaving water temperature zones are there? 0: 1 LWT zone 1: 2 LWT zones [7-03] [7-04] [7-05] Boiler efficiency...
  • Page 288 10/11 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [C-0A] [C-0B] [C-0C] [C-0D] [C-0E] [D-00] Which heaters are permitted if prefer. kWh rate PS is cut? 0: None 1: BSH only 2: BUH only 3: All heaters...
  • Page 289 11/11...
  • Page 292 4P629085-1E 2024.04...

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