Daikin Altherma 3 R F EHVX04S18E 6V Series Installer's Reference Manual
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Daikin Altherma 3 R F EHVX04S18E 6V Series 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 F
https://daikintechnicaldatahub.eu
EHVH04S18E▲6V▼
EHVH04S23E▲6V▼
EHVH08S18E▲6V▼
EHVH08S23E▲6V▼
EHVH08S18E▲9W▼
EHVH08S23E▲9W▼
EHVX04S18E▲3V▼
EHVX04S18E▲6V▼
EHVX04S23E▲3V▼
EHVX04S23E▲6V▼
EHVX08S18E▲6V▼
EHVX08S23E▲6V▼
EHVX08S18E▲9W▼
EHVX08S23E▲9W▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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Summary of Contents for Daikin Altherma 3 R F EHVX04S18E 6V Series

  • Page 1 Installer reference guide Daikin Altherma 3 R F https://daikintechnicaldatahub.eu ▲= 1, 2, 3, …, 9, A, B, C, …, Z ERGA04E▲V3▼ EHVH04S18E▲6V▼ EHVX04S18E▲3V▼ ▼= , , 1, 2, 3, …, 9 ERGA06E▲V3H▼ EHVH04S23E▲6V▼ EHVX04S18E▲6V▼ ERGA08E▲V3H▼ EHVH08S18E▲6V▼ EHVX04S23E▲3V▼ ERGA04E▲V3A▼ EHVH08S23E▲6V▼ EHVX04S23E▲6V▼...

  • 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............................Opening and closing the units............................Installer reference guide ERGA04~08E + EHVH/X04+08S18+23E Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 3 About preferential kWh rate power supply ....................108 9.1.5 Overview of electrical connections except external actuators ..............109 Connections to the outdoor unit ........................... 109 9.2.1 Specifications of standard wiring components..................... 110 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 4 Actuator test run............................233 11.4.5 Underfloor heating screed dryout......................... 234 12 Hand-over to the user 13 Maintenance and service 13.1 Maintenance safety precautions ........................... 239 13.2 Yearly maintenance................................ 240 Installer reference guide ERGA04~08E + EHVH/X04+08S18+23E Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 5 Table 3 – Minimum bottom opening area for natural ventilation: indoor unit............271 16.8 ESP curve: Indoor unit ..............................273 17 Glossary 18 Field settings table ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E...
  • 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 19 For details on the fuse ratings, the fuse types and the circuit breaker ratings, see "9 Electrical installation" [  105]. Configuration (see "10 Configuration" [  134]) CAUTION The disinfection function settings MUST be configured by the installer according to the applicable legislation. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 20 Make sure to open the valve (if equipped) towards the expansion vessel, otherwise the overpressure will be generated. Troubleshooting (see "14 Troubleshooting" [  246]) DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 21 ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 24: Indoor Unit

    Sealing tape for low voltage wiring intake 4.2.3 To handle the indoor unit Use the handles at the back and at the bottom to carry the unit. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 25 Handles at the back of the unit b Handles at the bottom of the unit. Carefully tilt the unit backwards so that the handles become visible. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 26: About The Units And Options

    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 5.1.2 Identification label: Indoor unit Location ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 27: Combining Units And Options

    For installation instructions, see the installation manual of the drain pan heater. U-beams (EKFT008D) The U-beams are installation brackets on which the outdoor unit can be installed. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 28: Possible Options For The Indoor Unit

    Space heating/cooling On/OFF output ▪ Changeover to external heat source For installation instructions, see the installation manual of the digital I/O PCB and addendum book for optional equipment. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 29 For installation instructions, see the instruction sheet of the pipe bend kit. Heat pump convector (FWX*) For providing space heating/cooling, it is possible to use the following heat pump convectors: ▪ FWXV: floor-standing model ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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" [  128]. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. Benefits ▪ Cooling. The heat pump convector offers, besides heating capacity, also excellent cooling capacity. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 37: Multiple Rooms - One Lwt Zone

    Setup ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 38 Underfloor heating or radiators – Multiple external room thermostats Setup A Main leaving water temperature zone B Room 1 C Room 2 a External room thermostat b Bypass valve ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 39 Heat pump convectors – Multiple rooms Setup A Main leaving water temperature zone B Room 1 C Room 2 a Heat pump convectors (+ controllers) ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 40 Comfort. You can set the desired room temperature, including schedules, for each room via the remote controller of the heat pump convectors. Combination: Underfloor heating + Heat pump convectors – Multiple rooms Setup ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 41: Multiple Rooms - Two Lwt Zones

    If the heat emitters selected for each room are designed for different leaving water temperatures, you can use different leaving water temperature zones (maximum In this document: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 42 E Room 3 a Heat pump convectors (+ controllers) b Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat) c Mixing valve station d Pressure regulating valve ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 43 ▪ Other rooms external room thermostat functionality Number of water temperature zones: 1 (Dual zone): Main + additional ▪ #: [4.4] ▪ Code: [7-02] ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 44: Setting Up An Auxiliary Heat Source For Space Heating

    Space heating is turned ON, and DHW tank operation is turned OFF ▪ Domestic hot water is always produced by the DHW tank connected to the indoor unit. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 45 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 46 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 47: Setting Up The Domestic Hot Water Tank

    Example: If the DHW consumption of a family (4 persons) per day is as follows: ▪ 3 showers ▪ 1 bath ▪ 3 sink volumes Then the DHW consumption = (3×100 l)+(1×150 l)+(3×10 l)=480 l ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 48 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 49: Setup And Configuration - Dhw Tank

    For more information, see "10 Configuration" [  134]. ▪ You can program a schedule to control the DHW pump via the user interface. For more information, see the user reference guide. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 50: Dhw Pump For Disinfection

    You can read out the energy data: Per two hours (for the last 48 hours) Per day (for the last 14 days) Per month (for the last 24 months) Total since installation ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 51: Produced Heat

    6.5.3 Normal kWh rate power supply General rule One power meter that covers the entire system is sufficient. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 52 The electrical meter cannot easily be installed in the electrical cabinet. 230 V and 400 V three-phase grids are combined (very uncommon), because of technical limitations of power meters. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 53: Preferential Kwh Rate Power Supply

    Power meter (L e Fuse (L f Fuse (L g Outdoor unit (L h Indoor unit (L i Backup heater (L S1S Preferential kWh rate power supply contact ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 54: Setting Up The Power Consumption Control

    Permanent power limitation is useful to assure a maximum power or current input of the system. In some countries, legislation limits the maximum power consumption for space heating and DHW production. Power input ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 55: Power Limitation Activated By Digital Inputs

    6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. 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: ▪...

  • Page 56: Power Limitation Process

    Produced heat Consumed energy A Outdoor unit B Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Backup heater step 1 turned ON ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 57: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 58 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 59: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 60 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 61 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 62: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 63: Installation Site Requirements Of The Indoor Unit

    If you have limited installation space, do the following before installing the unit in its final position: "7.4.4  To connect the drain hose to the drain"  [   80]. It requires to remove one or both side panels. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 64: 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 65: Installation Patterns

    Top opening for natural ventilation PATTERN 1 For PATTERN 1 you only need to comply with the spacing guidelines described in "7.1.3  Installation site requirements of the indoor unit" [  63]. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 66 ▪ 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 67 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 68: Opening And Closing The Units

    DANGER: RISK OF BURNING/SCALDING "8.2.8  To connect the refrigerant piping to the outdoor unit"  [   87] and "9.2.2 To connect the electrical wiring to the outdoor unit" [  110]. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 69: To Close The Outdoor Unit

    2 Remove the user interface panel. Open the hinges at the top and slide the top panel upwards. 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 70 ▪ When you need access to the high voltage switch box 2× 5 If you need access to the high voltage components, remove the high voltage switch box cover. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 71: To Lower The Switch Box

    2 Tilt the switch box to the front and lift it out of its hinges. 2× 3 Hang the switch box in front of the high voltage switch box cover. Use the 2 hinges located lower on the unit. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 72: To Close The Indoor Unit

    In any case, provide at least 300 mm of free space below the unit. Additionally, make sure the unit is positioned at least 100  mm above the maximum expected level of snow. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 73 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 74 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 75: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 76: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 77 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 78: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 79: Mounting The Indoor Unit

    4 Adjust the height of the leveling feet to compensate for floor irregularities. The maximum allowed deviation is 1°. ≤1° NOTICE Do NOT tilt the unit forwards: 1° 1° 0° ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 80: To Connect The Drain Hose To The Drain

    It is recommended to use a tundish to collect the water. Option 1: Through the left side panel 3× Option 2: Through the right side panel 3× ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 81: Piping Installation

    [   64] for additional requirements. ▪ Piping length: See "7.1.3 Installation site requirements of the indoor unit" [  63]. ▪ Piping material: phosphoric acid deoxidised seamless copper ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 82: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 83: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 84: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 85: To Braze The Pipe End

    ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 86: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 87: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 88: To Connect The Refrigerant Piping To The Indoor Unit

    Before checking the refrigerant piping Make sure the refrigerant piping is connected between the outdoor unit and the indoor unit. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 89: Precautions When Checking The Refrigerant Piping

    200 kPa (2 bar). It is recommended to pressurize to 3000 kPa (30 bar) in order to detect small leaks. 2 Check for leaks by applying the bubble test solution to all connections. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 90: To Perform Vacuum Drying

    5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour, do the following: ▪ Check for leaks again. ▪ Perform vacuum drying again. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 91: To Insulate The Refrigerant Piping

    2 Install the service cover. 8.4 Charging refrigerant 8.4.1 About charging refrigerant The outdoor unit is factory charged with refrigerant, but in some cases the following might be necessary: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 92: Precautions When Charging Refrigerant

    8.4.2 Precautions when charging refrigerant INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  10] ▪ "8.1 Preparing refrigerant piping" [  81] ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 93: To Determine The Additional Refrigerant Amount

    If pump down is needed in case of dismantling or relocating the system, see "15.2 To pump down" [  257] for more details. 8.4.6 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 94: Preparing Water Piping

    Deformation of the piping can cause malfunctioning of the unit. ▪ Connecting piping – Tools. Only use appropriate tooling to handle brass, which is a soft material. If NOT, pipes will get damaged. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 95 Water temperature. All installed piping and piping accessories (valve, connections,…) MUST withstand the following temperatures: INFORMATION The following figure is an example and may NOT completely match your system layout ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 96 Domestic hot water tank – Capacity. To avoid stagnation of water, it is important that the storage capacity of the domestic hot water tank meets the daily consumption of domestic hot water. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 97: Formula To Calculate The Expansion Vessel Pre-Pressure

    For EHVX*, check that the total water volume in the installation is minimum 10 litres. INFORMATION In critical processes, or in rooms with a high heat load, extra water might be required. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 98 Use the following graph to determine the maximum water volume for the calculated pre-pressure. a Pre-pressure (bar) b Maximum water volume (l) Example: Maximum water volume and expansion vessel pre-pressure ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 99: Changing The Pre-Pressure Of The Expansion Vessel

    "11.4  Checklist during commissioning" [  230]. 8.5.4 Changing the pre-pressure of the expansion vessel NOTICE ONLY a licensed installer may adjust the pre-pressure of the expansion vessel. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 100: To Check The Water Volume: Examples

    Because 250  l is lower than 290  l, the expansion vessel is appropriate for the installation. 8.6 Connecting water piping 8.6.1 About connecting the water piping Before connecting the water piping Make sure the outdoor and indoor unit are mounted. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 101: Precautions When Connecting The Water Piping

    DHW – Cold water IN (screw connection, 3/4") b2 DHW – Hot water OUT (screw connection, 3/4") 4 Install the following components (field supply) on the cold water inlet of the DHW tank: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 102 If this is NOT working correctly, overpressure will deform the tank and water leakage may occur. To confirm good operation, regular maintenance is required. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 103: To Connect The Recirculation Piping

    1 Open every hot water tap in turn to purge air from the system pipe work. 2 Open the cold water supply valve. 3 Close all water taps after all air is purged. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 104: To Insulate The Water Piping

    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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 105: Electrical Installation

    Typical workflow Connecting the electrical wiring typically consists of the following stages: ▪ "9.2 Connections to the outdoor unit" [  109] ▪ "9.3 Connections to the indoor unit" [  112] ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 106: Precautions When Connecting The Electrical Wiring

    To prepare stranded conductor wire for installation Method 1: Twisting conductor ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 107 Screw c Flat washer Stranded conductor wire with round crimp-style terminal a Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Outdoor unit: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 108: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 109: 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" [  110]. Interconnection cable ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 110: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 111 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 112: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 113 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 114 Addendum book for optional equipment Wired room thermostat ▪ Installation manual of the wired room without multi-zoning base unit thermostat ▪ Addendum book for optional equipment ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 115: To Connect The Main Power Supply

    3 Upper switch box cover 2 Connect the main power supply. In case of normal kWh rate power supply Interconnection cable Wires: (3+GND)×1.5 mm² (= main power supply) — 1 2 3 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 116 15 V DC, 10 mA. [9.8] Benefit kWh power supply Connect X11Y to X11YB. 1N~, 50 Hz, 230 V AC, 6.3 A 1 2 3 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 117: To Connect The Backup Heater Power Supply

    Backup heater Backup Power supply Maximum type heater running current capacity 3 kW 1N~ 230 V 13 A 0.34 Ω ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 118 (K1M for *3V models, K5M for *6V and *9W models) b Field wiring (see table below) Model (power supply) Connections to backup heater power supply *3V (1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 119 C. K1M  Contactor (in the lower switch box) Safety contactor (in the lower switch box) Q1DI  Earth leakage circuit breaker (field supply) SWB  Switch box ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 120: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 121: To Connect The Electricity Meters

    1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 122: To Connect The Domestic Hot Water Pump

    2 User interface panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. M M2P ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 123: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 124: To Connect The Space Cooling/Heating On/Off Output

    2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. Wires connected to the space cooling/heating ON/OFF output Wire between X2M and A4P Installation of EKRP1HBAA is required. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 125: To Connect The Changeover To External Heat Source

    2 User interface panel 3 Upper switch box cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 126: To Connect The Power Consumption Digital Inputs

    2 User interface panel 3 Upper switch box cover 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 127: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 128: To Connect A Smart Grid

    Smart Grid relay kit (EKRELSG). The 2 incoming Smart Grid contacts can activate the following Smart Grid modes: Smart Grid contact Smart Grid operation mode Free running ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 129 1 Open the following (see "7.2.4 To open the indoor unit" [  69]): 1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the wiring as follows: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 130 Coil sides of relays c, d Contact sides of relays e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace the jumper with the safety thermostat wires. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 131 1 2 3 4 X10M 5 6 9 10 2 Connect the low voltage wiring as follows: X5M.4 X5M.3 1314 3 Connect the high voltage wiring as follows: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 132: To Connect The Wlan Cartridge (Delivered As Accessory)

    9.4 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box, seal the low voltage wiring intake using the sealing tape (delivered as accessory). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 133 Electrical installation Without low voltage cables With low voltage cables ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 141 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 148: Schedule Screen: Example

    This example shows how to set a room temperature schedule in heating mode for the main zone. INFORMATION The procedures to program other schedules are similar. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 149 To clear the content of a day schedule 1 Select the day of which you want to clear the content. For example Friday User defined 1 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 150 Monday. To copy the schedule to the other weekdays 1 Select Monday. User defined 1 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 151 3 Use the left dial to select an entry and edit the entry with the right dial. 8:00 21°C 23:00 18°C --:-- 4 Confirm the changes. 5 Select Saturday. 6 Select Copy. 7 Select Sunday. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 152: Setting The Energy Prices

    ▪ 3 electricity price levels ▪ a weekly schedule timer for electricity prices. Example: How to set the energy prices on the user interface? ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 153 NOTICE Make sure to modify the setting of the energy prices at the end of the incentive period. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 154: Weather-Dependent Curve

    Because it reacts more quickly, it prevents high rises and drops of the indoor temperature and water temperature at tap points. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 155: 2-Points Curve

    See "10.5.4 Using weather-dependent curves" [  157]. 10.5.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 156: Slope-Offset Curve

    Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 157: Using Weather-Dependent Curves

    10.5.4 Using weather-dependent curves Configure weather-dependent curves as following: To define the setpoint mode To use the weather-dependent curve, you need to define the correct setpoint mode: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 158 You cannot configure the curve with temperatures that are higher or lower than the set maximum and minimum setpoints for that zone or for the tank. When the maximum or minimum setpoint is reached, the curve flattens out. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 159: Settings Menu

    To display the error code, open the menu screen and go to [0]  Malfunctioning. Press more information about the error. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 160: Room

    "10.4.3 Schedule screen: Example" [  148]. Cooling schedule Only applicable for reversible models. Define a cooling schedule of the room temperature in [1.3] Cooling schedule. "10.4.3 Schedule screen: Example" [  148]. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 161 Under leaving water temperature control, room frost protection is NOT guaranteed. However, if room antifrost [1.4] is activated, limited frost protection by the unit is possible: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 162 4°C Space heating/cooling is ON and There is no room frost protection. the operation mode is "cooling" Room thermostat control ([C‑07]=2) ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 163 "6.7 Setting up an external temperature sensor" [  57]). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 165 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.4.3 Schedule screen: Example" [  148]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.4.3 Schedule screen: Example" [  148]. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 172 ▪ 3°C~10°C Leaving water temperature: Modulation Only applicable in case of room thermostat control. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 175: Additional Zone

    Example" [  148]. 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 183 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 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: 60°C [5.7.5] [2‑04] Duration: 40~60 minutes ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 192 The maximum temperature that users can select for the domestic hot water. You can use this setting to limit the temperatures at the hot water taps. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 193 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 194 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 195 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 196: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 197 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Mode. 2 Do one of the following: — ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 198 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 199 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 200 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 201: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 202: Installer Settings

    [9.C] Bivalent [9.D] Alarm output [9.E] Auto restart [9.F] Power saving function [9.G] Disable protections [9.H] Forced defrost [9.I] Overview field settings [9.N] Export MMI settings ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 203 When turned on, the pump runs and makes sure hot water is instantly available at the tap. To save energy, only turn on the pump during periods of the day when instant hot water is necessary. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 204 (a) Not available for 3V models. INFORMATION Settings [9.3.3] and [9.3.5] are linked. Changing one setting influences the other. If you change one, check if the other is still as expected. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 205 Only for systems with integrated domestic hot water tank: If the storage temperature setpoint is higher than 50°C, Daikin recommends NOT to disable the backup heater second step because it will have a big impact on the required time for the unit to heat up the domestic hot water tank.
  • Page 206 3: auto SH reduced/DHW off ▪ 4: auto SH normal/DHW off INFORMATION The auto emergency setting can be set in the menu structure of the user interface only. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 207 [9.6.2] [5‑03] Priority temperature: Defines the outdoor temperature which below the backup heater will assist during domestic hot water heating. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 208 The actual anti-recycling time also depends on setting [8-04]. Range: 0~10 hours Remark: The minimum time is 0.5 hours even when the selected value is 0. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 209 Code Description [9.7] [4-04] Water pipe freeze prevention: ▪ 0: Continuous pump operation ▪ 1: Non continuous pump operation ▪ 2: Off ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 210 Therefore, always enable the auto restart function. ▪ 3 Smart Grid: A Smart Grid is connected to the system ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 211 Yes: The extra energy from the photovoltaic panels is buffered in the DHW tank, and in the space heating/cooling circuit (i.e. heat up or cool down the room). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 212 The protective functions (room frost protection, tank disinfection) and defrost are NOT overruled (capacity will not be limited for these functions) Also see "Protective functions" [  221]. Recommended on: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 213 Type: ▪ 0 Amp: The limitation values are set in A. ▪ 1 kW: The limitation values are set in kW. Limit when [9.9.1]=Continuous and [9.9.2]=Amp: ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 214   57] for detailed information about this functionality. INFORMATION Restriction: BBR16 settings are only visible when the language of the user interface is set to Swedish. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 215 ▪ 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 216 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 217 [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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 218 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 219 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 220 To enable the power saving function setting, [E‑08] needs to be enabled on the user interface. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 221 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 222: Commissioning

    Installer settings [A.1] Operation test run Commissioning [A.2] Actuator test run User profile Operation [A.3] Air purge [A.4] UFH screed dryout About commissioning See: "11 Commissioning" [  228] ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 223: User Profile

    [D] Wireless gateway User profile Operation [D.1] Mode Wireless gateway [D.2] Reboot Malfunctioning Room [D.3] WPS [D.4] Remove from cloud [D.5] Home network connection [D.6] Cloud connection ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 224 Mode: Turn AP mode ON (= WLAN cartridge/module active as access point) or OFF. Code Description [D.1] Enable AP mode: ▪ ▪ Reboot: Reboot the WLAN cartridge/module. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 225 ▪ 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 226: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 227: 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. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 228: 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 229: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 230: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 231: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 232: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 233: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 234: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 235 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 236 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 237 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 238: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 239: 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 240: Yearly Maintenance

    ▪ Checking if both parts of the magnetic filter/dirt separator are still screwed tight (a). ▪ Emptying the dirt separator as follows: 1 Take off the magnetic sleeve (b). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 241  80]. Pressure relief valve of the domestic hot water tank (field supply) Open the valve. CAUTION Water coming out of the valve may be very hot. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 242: To Drain The Domestic Hot Water Tank

    The water in the tank can be very hot. Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Close the cold water supply. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 243: About Cleaning The Water Filter In Case Of Trouble

    6 Open the valve on the bottom of the water filter to drain water from the water circuit. Collect the drained water in a bottle, sink,… using the installed drain hose. 7 Remove the 2 clips that fix the water filter. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 244: To Clean The Water Filter In Case Of Trouble

    3 Remove the strainer and the rolled‑up filter from the water filter housing and clean with water. 4 Install the cleaned rolled‑up filter and strainer in the water filter housing. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 245: 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. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 246: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 247: 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" [  97]). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 248: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 249: 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" [  99]). ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 250: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 251: 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 > Priority temperature [5‑03] ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 252: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High

    This should be done by a licensed installer or by your local dealer. This chapter gives you an overview of most possible error codes and their descriptions as they appear on the user interface. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 253: To Display The Help Text In Case Of A Malfunction

    Heat exchanger freeze-up protection activated during cooling operation. (error) 89-06 Heat exchanger freeze-up protection activated during cooling operation. (warning) 8F-00 Abnormal increase outlet water temperature (DHW) ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 254 OU: Malfunction of discharge pipe temperature F6-00 OU: Abnormal high pressure in cooling FA-00 OU: Abnormal high pressure, actuation of HPS H0-00 OU: Voltage/current sensor problem ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 255 U2-00 OU: Defect of power supply voltage U3-00 Underfloor heating screed dryout function not completed correctly U4-00 Indoor/outdoor unit communication problem U5-00 User interface communication problem ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 256 Error AJ-03 is reset automatically from the moment there is a normal tank heat-up. INFORMATION The user interface will display how to reset an error code. ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 257: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 258 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 259: 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 260: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 261: Piping Diagram: Indoor Unit

    R5T, R8T Tank j Air purge k Drain valve Connections: l Pump Screw connection m Flow sensor Flare connection n Backup heater Quick coupling Brazed connection ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 262: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 263 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 264: Wiring Diagram: Indoor Unit

     Demand PCB  Demand PCB  Safety thermostat  Safety thermostat  Smart Grid  Smart Grid  WLAN module  WLAN module  WLAN cartridge  WLAN cartridge Main LWT Main leaving water temperature ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 265 # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit PHC1 (A4P) * Optocoupler input circuit Thermal protector backup heater ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 266 (2) Backup heater power supply (2) Backup heater power supply Only for *** Only for *** (3) User interface (3) User interface ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 267 Min. load Minimum load Only for demand PCB option Only for demand PCB option Only for digital I/O PCB option Only for digital I/O PCB option ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 268 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 269 Only for Human Comfort Interface 2 core 2×0.75 X5M: 11-12 A14P: P1-P2 user interface communication Only for LAN adapter 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D130331D ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 270 0.829 0.907 0.970 1.028 1.084 1.137 1.187 1.236 1.283 1.328 1.371 1.413 1.454 1.494 1.533 1.571 1.608 1.644 1.679 1.714 1.748 1.781 1.814 1.846 1.877 1.909 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 271 16.7 Table 3 – Minimum bottom opening area for natural ventilation: indoor unit dm=m –m (kg) Minimum bottom opening area (cm H=600 mm 1.80 1.60 1.40 1.20 1.00 0.80 0.60 0.40 0.20 ERGA04~08E + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...
  • Page 272 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 273: 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 + EHVH/X04+08S18+23E Installer reference guide Daikin Altherma 3 R F 4P629086-1D – 2024.04...

  • Page 274: 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 275: 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 276 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 277 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 278 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 279 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 280 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 281 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 282 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 283 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 284 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 285 11/11...
  • Page 288 4P629086-1D 2024.04...

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