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Daikin ETBH16E9W Installer's Reference Manual

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EPRA14D▲V3▼
EPRA16D▲V3▼
EPRA18D▲V3▼
EPRA14D▲W1▼
EPRA16D▲W1▼
EPRA18D▲W1▼
Installer reference guide
Daikin Altherma 3 H HT W
https://daikintechnicaldatahub.eu
ETBH16E▲6V▼
ETBH16E▲9W▼
ETBX16E▲6V▼
ETBX16E▲9W▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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Summary of Contents for Daikin ETBH16E9W

  • Page 1 Installer reference guide Daikin Altherma 3 H HT W https://daikintechnicaldatahub.eu ▲= 1, 2, 3, …, 9, A, B, C, …, Z EPRA14D▲V3▼ ETBH16E▲6V▼ ▼= , , 1, 2, 3, …, 9 EPRA16D▲V3▼ ETBH16E▲9W▼ EPRA18D▲V3▼ ETBX16E▲6V▼ EPRA14D▲W1▼ ETBX16E▲9W▼ EPRA16D▲W1▼ EPRA18D▲W1▼...

  • Page 2: Table Of Contents

    Additional installation site requirements of the outdoor unit in cold climates..........69 7.1.3 Installation site requirements of the indoor unit ..................69 Opening and closing the units ............................70 7.2.1 About opening the units..........................70 Installer reference guide EPRA14~18D + ETBH/X16E Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 3 To connect the PC cable to the switch box....................139 10.2 Configuration wizard............................... 139 10.3 Possible screens ................................141 10.3.1 Possible screens: Overview ..........................141 10.3.2 Home screen..............................142 10.3.3 Main menu screen............................144 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 4 To display the help text in case of a malfunction ..................257 14.4.2 To check the malfunction history........................257 14.4.3 Error codes of the unit ........................... 257 Installer reference guide EPRA14~18D + ETBH/X16E Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 5 Wiring diagram: Outdoor unit ............................273 16.5 Wiring diagram: Indoor unit ............................280 16.6 ESP curve: Indoor unit..............................286 17 Glossary 18 Field settings table EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 6: About This Document

    The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).

  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • 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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 16: Specific Installer Safety Instructions

    WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. Opening and closing the units (see "7.2 Opening and closing the...
  • Page 17 NOT used in glycol systems since the presence may lead to the precipitation of certain components in the glycol's corrosion inhibitor. WARNING Ethylene glycol is toxic. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 18 "7.3.7 To remove the discharge grille, and put the grille in safety position" [  81] CAUTION Do NOT push or place redundant cable length into the unit. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 19 4 hours starting from the scheduled start-up of disinfection. If the booster heater is restricted during disinfection, this function will NOT be successful and the applicable warning AH will be generated. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 20 MUST NOT be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly turned ON and OFF by the utility. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 21 See: ▪ "7.3.6 To install the discharge grille" [  79] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  81] EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 22: About The Box

    To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. Crane Keep the slings within the marked area to not damage the unit. Forklift or pallet truck Enter the pallet from the heavy side. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 23: To Unpack The Outdoor Unit

    After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "4.1.2 To unpack the outdoor unit" [  23] ▪ "7.3.4 To install the outdoor unit" [  77] ±150 4× 4.1.2 To unpack the outdoor unit EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 24: To Remove The Accessories From The Outdoor Unit

    Compressor cover piece f Installation manual – Outdoor unit g Energy label h Discharge grille (upper + lower part) i Installation manual – Discharge grille EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 25: Indoor Unit

    Some accessories are located inside the unit. For more information on opening the unit, see "7.2.6 To open the indoor unit" [  73]. 1× 1× 1× 1× 1× 4× 2× 1× 1× EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 26 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 27: About The Units And Options

    High water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series Power supply Model series 5.1.2 Identification label: Indoor unit Location EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 28: Combining Units And Options

    The heat exchanger coil of the tank is ≥1.05 m². ▪ The tank thermistor must be located above the heat exchanger coil. ▪ The booster heater must be located above the heat exchanger coil. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 29: Possible Options For The Outdoor Unit

    (EKRTWA) or wireless (EKRTR1, EKRTRB). For installation instructions, see the installation manual of the room thermostat and addendum book for optional equipment. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 30 The PC cable makes a connection between the hydro PCB (A1P) of the indoor unit and a PC. It gives the possibility to update the hydro software and EEPROM. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 31 For providing domestic hot water, a domestic hot water tank can be connected to the wall-mounted indoor unit. The following domestic hot water tanks are available: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 32 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" [  130]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 33: 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 34: Setting Up The Space Heating/Cooling System

    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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 35: Single Room

    Stable room temperature matching the desired temperature (higher comfort) Less ON/OFF cycles (more quiet, higher comfort and higher efficiency) Lowest possible leaving water temperature (higher efficiency) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 36 OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 37 (X2M/4 and X2M/3). Configuration Setting Value Unit temperature control: 1 (External room thermostat): Unit operation is decided by the ▪ #: [2.9] external thermostat. ▪ Code: [C-07] EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 38 Cold water → Outdoor unit ▪ A shut-off valve (field supply) is installed before the underfloor heating to prevent condensation on the floor during cooling operation. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 39: Multiple Rooms - One Lwt Zone

    (this can either be the dedicated Human Comfort Interface (BRC1HHDA) or an external EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 40 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 41 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 42 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] EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 43 Mind that the operation mode on each external room thermostat and controller of the heat pump convectors must be set to match the indoor unit. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 44: Multiple Rooms - Two Lwt Zones

    In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. Setup Three bizone kit system variations are possible: System without hydraulic separator: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 45 For this system, a direct pump is required for the additional zone. A Additional leaving water temperature zone B Room 1 C Room 2 D Main leaving water temperature zone EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 46 If NOT allowed, install a shut-off valve (field supply) and connect it to X2M/21 and X2M/28 for a normally open valve or X2M/21 and X2M/29 for a normally closed valve. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 47 Code: [C‑06] Bizone kit installed: 2 (Yes): A bizone kit is installed in order to add an additional temperature zone. ▪ #: [9.P.1] ▪ Code: [E‑0B] EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 48: Setting Up An Auxiliary Heat Source For Space Heating

    Domestic hot water is always produced by the DHW tank connected to the indoor unit. ▪ Bivalent operation is only possible if space heating is turned ON. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 49 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 70°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 70°C.
  • Page 50 Setpoint of the auxiliary gas boiler To prevent freeze-up of the water piping, the auxiliary gas boiler must have a fixed setpoint ≥55°C, or a weather-dependent setpoint ≥T EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 51: Setting Up The Domestic Hot Water Tank

    Determining the volume and desired temperature for the DHW tank. Determining the DHW consumption Answer the following questions and calculate the DHW consumption (equivalent hot water volume at 40°C) using typical water volumes: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 52 ▪ If the DHW consumption differs from day to day, you can program a weekly schedule with different desired DHW tank temperatures for each day. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 53: Setup And Configuration - Dhw Tank

    DHW tank, and the addendum book for optional equipment. Connecting the water piping of the standalone DHW tank to the indoor unit, see the installation manual of the DHW tank. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 54: Dhw Pump For Instant Hot Water

    For more information, see "10 Configuration" [  136]. ▪ You can program a schedule to control the DHW pump via the user interface. For more information, see the user reference guide. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 55: Dhw Pump For Disinfection

    DHW pump and heater element (if needed) as shown above. Configuration The indoor unit can control DHW pump operation. For more information, see "10 Configuration" [  136]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 56: Dhw Pump For Tank Preheating

    Via the user interface, you can read out the following energy data: Produced heat Consumed energy ▪ You can read out the energy data: For space heating For space cooling For domestic hot water production EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 57: Produced Heat

    You cannot combine calculating the consumed energy (example: for backup heater) and measuring the consumed energy (example: for outdoor unit). If you do so, the energy data will be invalid. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 58: Normal Kwh Rate Power Supply

    ▪ 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) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 59: 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). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 60: 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 61: Permanent Power Limitation

    Power input t Time DI Digital input (power limitation level) a Power limitation active b Actual power input Setup and configuration ▪ No additional equipment needed. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 62: 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 63: Power Limitation Process

    Power limitation level does NOT allow operation of both booster heater and backup heater (step 1 and step 2). ▪ Priority heater = Booster heater (if applicable). Then power consumption is limited as follows: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 64: Bbr16 Power Limitation

    Set the power consumption control settings in [9.9] via the user interface (see "Power consumption control" [  214]): Activate BBR16 Set the desired power limitation level EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 65: Setting Up An External Temperature Sensor

    To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 66: Unit Installation

    Mind the spacing guidelines. See "16.1 Service space: Outdoor unit" [  269]. NOTICE ▪ Do NOT stack the units on each other. ▪ Do NOT hang the unit on a ceiling. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 67 This is to prevent corrosion caused by high levels of salt in the air, which might shorten the life of the unit. Install the outdoor unit away from direct sea winds. Example: Behind the building. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 68 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D –...

  • Page 69: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Maximum height difference between domestic hot water tank 10 m and outdoor unit Maximum water piping length between indoor unit and 10 m domestic hot water tank EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 70: Opening And Closing The Units

    Precise water piping length can be determined using the Hydronic Piping Calculation tool. The Hydronic Piping Calculation tool is part of the Heating Solutions Navigator which can be reached via https://professional.standbyme.daikin.eu. Please contact your dealer if you have no access to Heating Solutions Navigator.

  • Page 71: To Remove The Transportation Stay

    Transportation stays (2×) and washers (2×) b Transportation stay (1×) Prerequisite: Open the switch box cover. See "7.2.2  To open the outdoor unit" [  70]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 72: To Attach The Compressor Cover Piece

    1 Put the compressor cover piece on its place. Use the screws (4x) of the transportation stay to fix it (see "7.2.3  To remove the transportation stay" [  71]). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 73: To Close The Outdoor Unit

    7.2.6 To open the indoor unit Overview 1 Front panel 2 Switch box cover 3 Switch box 4 User interface panel Open 1 Remove the front panel. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 74 4 If you have to do work behind the user interface panel or upload new software into the user interface, open the user interface panel. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 75: To Close The Indoor Unit

    7.3 Mounting the outdoor unit 7.3.1 About mounting the outdoor unit When You have to mount the outdoor and indoor unit before you can connect the water piping. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 76: Precautions When Mounting The Outdoor Unit

    Use 4 sets of M12 anchor bolts, nuts and washers. Provide at least 150 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. Anchor points (mm) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 77: To Install The Outdoor Unit

    To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. 1 Carry the unit by its slings, and put it onto the installation structure. ±150 4× 2 Fix the unit to the installation structure. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 78: To Provide Drainage

    ▪ Install a drain tube heater (field supply). To connect the drain tube heater, see "9.2.2 To connect the electrical wiring to the outdoor unit" [  106]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 79: To Install The Discharge Grille

    Electrical wiring. Before installing the discharge grille, connect the electrical wiring. Install the lower part of the discharge grille 1 Insert the hooks. 2 Insert the ball studs. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 80 4 Align and attach the left side. 5 Align and attach the middle part. 6 Align and attach the right side. 7 Insert the hooks. 8 Insert the ball studs. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 81: To Remove The Discharge Grille, And Put The Grille In Safety Position

    "7.3.7 To remove the discharge grille, and put the grille in safety position" [  81] 1 Remove the upper part of the discharge grille. 4× 2 Remove the lower part of the discharge grille. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 82 4 Align the ball stud and hook on the grille with their counterparts on the unit. 5 Insert the hook. 6 Insert the ball stud. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 83: 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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 84: To Connect The Drain Hose To The Drain

    1 Connect a drain tube (field supply) to the drain pan connector as follows: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 85 Unit installation a Drain pan connector It is recommended to use a tundish to collect the water. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 86: Piping Installation

    Inappropriate tooling will cause damage to the pipes. ▪ Insulation. Insulate up to the base of the heat exchanger. ▪ Freeze. Protect against freezing. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 87 The following figure is an example and may NOT completely match your system layout 89°C (*) 75°C (*) 75°C (*) (*) Maximum temperature for piping and accessories EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 88 Recirculation connection b Hot water connection c Shower d Recirculation pump EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 89: Formula To Calculate The Expansion Vessel Pre-Pressure

    For more information on the addition of glycol, refer to "8.2.5 To protect the water circuit against freezing" [  95]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 90 Minimum required flow rate ▪ For E models: 25 l/min ▪ For E7 models: 22 l/min EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 91: Changing The Pre-Pressure Of The Expansion Vessel

    Changing the pre-pressure of the expansion vessel should be done by releasing or increasing nitrogen pressure through the Schrader valve of the expansion vessel. a Schrader valve 8.1.5 To check the water volume: Examples Example 1 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 92: Connecting Water Piping

    Do NOT use excessive force when connecting the field piping and make sure the piping is aligned properly. Deformation of the piping can cause malfunctioning of the unit. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 93 2 Connect the outdoor unit field piping on the water IN connection (a) of the indoor unit. 3 Connect the space heating/cooling field piping on the space heating water OUT connection (b) of the indoor unit. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 94 10 bar (= 1 MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 95: To Fill The Water Circuit

    Do one of the following to protect the water circuit against freezing: ▪ Add glycol to the water. Glycol lowers the freezing point of the water. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 96 The system does NOT contain a You can use either propylene glycol domestic hot water tank ethylene glycol Propylene glycol, including the necessary inhibitors, classified as Category III according to EN1717. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 97 When no glycol is added to the water, you can use freeze protection valves at all lowest points of the field piping to drain the water from the system before it can freeze. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 98 NOT insulate the inlet and outlet (release) of these valves. ▪ Do NOT make traps in the field piping. >10 cm >15 cm EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 99: To Fill The Domestic Hot Water Tank

    The Hydronic Piping Calculation tool is part of the Heating Solutions Navigator which can be reached via https://professional.standbyme.daikin.eu. Please contact your dealer if you have no access to Heating Solutions Navigator. EPRA14~18D + ETBH/X16E...
  • Page 100 Piping installation This recommendation ensures good operation of the unit, however, local regulations may differ and shall be followed. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 101: 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 102: Guidelines When Connecting The Electrical Wiring

    EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 103 Single-core wire AA´ A´ Stranded conductor wire twisted to "solid-like" connection a Curled wire (single-core or twisted stranded conductor wire) b Screw c Flat washer EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 104: About Electrical Compliance

    E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ... EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 105: Overview Of Electrical Connections Except External Actuators

    Preferential kWh rate power supply 1 Power supply for outdoor unit 2 Power supply and interconnection cable to indoor unit 3 Power supply for backup heater EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 106: Connections To The Outdoor Unit

    9.2.2 To connect the electrical wiring to the outdoor unit 1 Open the switch box cover. See "7.2.2 To open the outdoor unit" [  70]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 107 ▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Wires: 1N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 108 ▪ Connect the wires to the terminal block (make sure the numbers match with the numbers on the indoor unit) and the earth screw. ▪ Fix the cable with a cable tie. Wires: (3+GND)×1.5 mm² — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 109 ▪ Fix the cable with cable ties. Wires: (2+GND)×0.75 mm². Wiring must be double insulated. Maximum power allowed for drain tube heater = 115 W (0.5 A) — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 110 ▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Wires: 3N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 111 ▪ Connect the wires to the terminal block (make sure the numbers match with the numbers on the indoor unit) and the earth screw. ▪ Fix the cable with a cable tie. Wires: (3+GND)×1.5 mm² — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 112 ▪ Fix the cable with cable ties. Wires: (2+GND)×0.75 mm². Wiring must be double insulated. Maximum power allowed for drain tube heater = 115 W (0.5 A) — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 113: To Reposition The Air Thermistor On The Outdoor Unit

    9.2.3 To reposition the air thermistor on the outdoor unit This procedure is only necessary in areas with low ambient temperatures. Required accessory (delivered with the unit): Thermistor fixture. Click EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 114: Connections To The Indoor Unit

    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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 115 ▪ 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 116 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 117 You need to connect the multi-zoning base unit to the outdoor unit For cooling/heating operation, you also need to implement a relay (field supply, see addendum book for optional equipment) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 118: To 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 X11Y X11YA X11YB 1 2 3 a Interconnection cable (=main power supply) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 119 Interconnection cable (=main power supply) b Normal kWh rate power supply c Preferential power supply contact 3 Fix the cables with cable ties to the cable tie mountings. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 120: To Connect The Backup Heater Power Supply

    0.22 Ω 2 kW 3~ 230 V 5 A — 4 kW 3~ 230 V 10 A — 6 kW 3~ 230 V 15 A — 3 kW 3N~ 400 V 4 A — 6 kW 3N~ 400 V 9 A — 9 kW 3N~ 400 V 13 A — EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 121 Field wiring (see table below) Model (power supply) Connections to backup heater power supply *6V (6V3: 1N~ 230 V) (14) 8 (13) 7 Q1DI 1N~, 50 Hz 230 V AC EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 122: To Connect The Shut-Off Valve

    Wires: 2×0.75 mm² Maximum running current: 100 mA 230 V AC supplied by PCB EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 123: To Connect The Electricity Meters

    3 Fix the cable with cable ties to the cable tie mountings. 9.3.4 To connect the electricity meters Wires: 2 (per meter)×0.75 mm² Electricity meters: 12 V DC pulse detection (voltage supplied by PCB) [9.A] Energy metering EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 124: To Connect The Domestic Hot Water Pump

    DHW pump output. Maximum load: 2 A (inrush), 230 V AC, 1 A (continuous) [9.2.2] DHW pump [9.2.3] DHW pump schedule 1 Open the following (see "7.2.6 To open the indoor unit" [  73]): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 125: To Connect The Alarm Output

    1 Front panel 2 Switch box cover 3 Switch box 2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 126: To Connect The Space Cooling/Heating On/Off Output

    Cooling is only applicable in case of reversible models. Wires: (2+1)×0.75 mm² Maximum load: 0.3 A, 250 V AC — 1 Open the following (see "7.2.6 To open the indoor unit" [  73]): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 127: To Connect The Changeover To External Heat Source

    9.3.8 To connect the changeover to external heat source INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with: ▪ room thermostat control, OR ▪ external room thermostat control. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 128: To Connect The Power Consumption Digital Inputs

    Power limitation digital inputs: 12 V DC / 12 mA detection (voltage supplied by PCB) [9.9] Power consumption control. 1 Open the following (see "7.2.6 To open the indoor unit" [  73]): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 129: To Connect The Safety Thermostat (Normally Closed Contact)

    The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. — 1 Open the following (see "7.2.6 To open the indoor unit" [  73]): 1 Front panel 2 Switch box cover 3 Switch box EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 130: To Connect A Smart Grid

    9.3.11 To connect a Smart Grid This topic describes 2 possible ways to connect the indoor unit to a Smart Grid: ▪ In case of low voltage Smart Grid contacts EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 131 S4S Smart Grid pulse meter /S10S Low voltage Smart Grid contact 1 /S11S Low voltage Smart Grid contact 2 1 Connect the wiring as follows: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 132 STEP 2 Low voltage connections STEP 3 High voltage connections High voltage Smart Grid contact 1 High voltage Smart Grid contact 2 a, b Coil sides of relays EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 133 Wires between the relays and X10M (AWG18 RED) 1 2 3 4 X10M K1A K2A 2 Connect the low voltage wiring as follows: X5M.4 X5M.3 S4S Smart Grid pulse meter EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 134: To Connect The Wlan Cartridge (Delivered As Accessory)

    4 Fix the cables with cable ties to the cable tie mountings. If necessary, bundle excessive cable length with a cable tie. 9.3.12 To connect the WLAN cartridge (delivered as accessory) [D] Wireless gateway EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 135 Electrical installation 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 136: Configuration

    First time – Configuration wizard. When you turn ON the user interface for the first time (via the unit), the configuration wizard starts to help you configure the system. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 137: To Access The Most Used Commands

    Confirm the pin code and proceed. Installer pin code The Installer pin code is 5678. Additional menu items and installer settings are now available. Installer 5678 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 138 4 Turn the left dial to select the second part of the setting 01 15 5 Turn the right dial to modify the value from 15 to 20. 01 20 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 139: To Connect The Pc Cable To The Switch Box

    You can find a short overview of the settings in the configuration here. All the settings can also be adjusted in the settings menu (use the breadcrumbs). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 140 Setpoint mode [2.4] Heating WD curve [2.5] (if applicable) Cooling WD curve [2.6] (if applicable) Schedule [2.1] WD curve type [2.E] Additional zone (only if [4.4]=1) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 141: Possible Screens

    Hysteresis [5.9] and [5.A] 10.3 Possible screens 10.3.1 Possible screens: Overview The most common screens are as follows: – a Home screen b Main menu screen EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 142: Home Screen

    Smart energy is available via solar panels or smart grid. Smart energy is currently being used for space heating. Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 143 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Measured room temperature Leaving water temperature setpoint Holiday mode Holiday mode active EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 144: Main Menu Screen

    Enable/disable breadcrumbs. Submenu Description Malfunctioning Restriction: Only displayed if a malfunction occurs. "14.4.1 To display the help text in case of malfunction" [  257] for more information. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 145: Menu Screen

    Restriction: Only displayed if a wireless LAN (WLAN) is installed. Contains settings needed when configuring the ONECTA app. 10.3.4 Menu screen Example: Language Time/date Holiday EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 146: Setpoint Screen

    Measured by the unit Desired temperature Turn the right dial to increase/ decrease. Submenu Turn or press the left dial to go to the submenu. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 147: Detailed Screen With Values

    5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. To go to the schedule 1 Go to [1.1]: Room > Schedule. 2 Set scheduling to Yes. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 148 Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. User defined 1 2 Select Edit. Delete Edit Copy EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 149 1 Select Monday. User defined 1 2 Select Copy. Delete Edit Copy Result: Next to the copied day, "C" is displayed. 3 Select Tuesday. User defined 1 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 150 8:00 21°C 23:00 18°C --:-- 4 Confirm the changes. 5 Select Saturday. 6 Select Copy. 7 Select Sunday. 8 Select Paste. Result: User defined 1 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 151: Weather-Dependent Curve

    EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 152: 2-Points Curve

    See "10.4.4 Using weather-dependent curves" [  154]. 10.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 153: Slope-Offset Curve

    Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 154: Using Weather-Dependent Curves

    10.4.4 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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 155 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 156: Settings Menu

    To display the error code, open the menu screen and go to [0]  Malfunctioning. Press more information about the error. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 157: Room

    Example" [  147]. Cooling schedule Only applicable for reversible models. Define a cooling schedule of the room temperature in [1.3] Cooling schedule. "10.3.7 Schedule screen: Example" [  147]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 158 Under leaving water temperature control, room frost protection is NOT guaranteed. However, if room antifrost [2‑06] is activated, limited frost protection by the unit is possible: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 159 ▪ Outdoor ambient temperature drops below 6°C ▪ the temperature setpoint of the leaving water will be lowered. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 160 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 [1.5.2] [3-06] Heating maximum [1.5.3] [3-09] Cooling minimum EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 161: Main Zone

    [9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 10.5.3 Main zone Overview The following items are listed in the submenu: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 162 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.3.7 Schedule screen: Example" [  147]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.3.7 Schedule screen: Example" [  147]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 163 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 164 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): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 165 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 166 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]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 167 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~70°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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 168 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 169 ▪ 3°C~10°C Leaving water temperature: Modulation Only applicable in case of room thermostat control. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 170 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 171 The weather-dependent curve can be defined using the 2-points method or the Slope-Offset method. "10.4.2 2-points curve" [  152] and "10.4.3 Slope-offset curve" [  153]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 172: Additional Zone

     147]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [  163]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 173 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): EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 174 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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 175 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "10.5.3 Main zone" [  161]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 176: Space Heating/Cooling

    2-points ▪ Slope-Offset 10.5.5 Space heating/cooling INFORMATION Cooling is only applicable in case of reversible models. Overview The following items are listed in the submenu: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 177 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 178 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 179 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 180 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 181 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 182 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 183 6: 80% pump speed during sampling ▪ 7: 70% pump speed during sampling ▪ 8: 60% pump speed during sampling The maximum values depend on the unit type: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 184 Use this setting to compensate for possible heat losses of the building due to the evaporation of melted ice or snow. (e.g. in cold region countries). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 185: Tank

    Antifrost [1.4] or [4.C] prevents the room from getting too cold. For more information about room frost protection, see "10.5.2 Room" [  157]. 10.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 186 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 187 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 188 ▪ 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 189 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 190 Code Description [5.A] [6-08] Reheat hysteresis ▪ 2°C~20°C EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 191 35°C~[6‑0E]°C Margin In domestic hot water operation, the following hysteresis value can be set for the heat pump operation: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 192 Heat pump ON temperature (T −[6-00]) HP ON HP OFF Domestic hot water temperature User setpoint temperature (as set on the user interface) t Time EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 193: User Settings

    While holiday mode is active, space heating/cooling operation and domestic hot water operation will be turned off. Room frost protection and disinfection operation will remain active. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 194 If enabled by the installer, the user can program a quiet mode schedule. INFORMATION If the outdoor temperature is below zero, we recommend to NOT use the most quiet level. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 195 2 Define the restrictions (time + level) to be used before midday (AM): ▪ [7.4.4.2] AM Restricted time Example: From 9 a.m. to 11 a.m. ▪ [7.4.4.3] AM Restricted level Example: More quiet EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 196 NOTICE Make sure to modify the setting of the energy prices at the end of the incentive period. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 197: Information

    [8.3] Number that users can call in case of problems. Reset Reset the configuration settings stored in the MMI (user interface of the indoor unit). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 198: Installer Settings

    LAN adapter. [8.9] Running hours Running hours of specific system components 10.5.9 Installer settings Overview The following items are listed in the submenu: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 199 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 200 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 201 The backup heater is adapted to be connected to most common European electricity grids. The type of backup heater can be viewed but not changed. Code Description [9.3.1] [E‑03] ▪ 3: 6V ▪ 4: 9W EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 202 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 203 The backup heater will ONLY assist if you increase the equilibrium temperature [5‑01] to the required ambient temperature you need to reach the higher setpoint. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 204 Two actions per day are allowed in a week schedule. For more information, see "10.3.7  Schedule screen: Example" [  147]. Example: Only allow the booster heater to operate during the night. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 205 <[5‑03] and [5‑02]=1. The domestic hot water temperature can be maximum the heat pump OFF temperature. [9.4.4] [4-03] ▪ 1 Allowed: Booster heater operation is allowed when required. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 206 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 207 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 208 (because the heat exchanger coil is not operational) with a warmer top layer. Range: 0°C~20°C EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 209 Range: 0~10 hours Remark: The minimum time is 0.5 hours even when the selected value is 0. [9.6.5] [8-00] Minimum running timer: Do NOT change. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 210 ONLY disable water pipe freeze prevention if glycol is used. For more information on freeze protection by glycol, see "8.2.5  To protect the water circuit against freezing" [  95]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 211 Therefore, always enable the auto restart function. ▪ 3 Smart Grid: A Smart Grid is connected to the system EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 212 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). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 213 Smart Grid modes: Smart Grid contact [9.8.5] Smart Grid operation mode Free running Forced off Recommended on Forced on Free running: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 214 NOT possible in Forced on and Recommended on operation modes. Power consumption control Power consumption control "6  Application guidelines"  [   33] for detailed information about this functionality. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 215 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 216 (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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 217 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 218 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 219 [C‑03] or above [C‑03]+[C‑04]. calc 3°C Fixed hysteresis to prevent too much switching between heat pump system and auxiliary boiler a Auxiliary boiler active EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 220 Make sure to use the same units of measurement for the electricity price and gas price (example: both c€/kWh). 2 Determine the value of [C‑03] using the graph. For an example, see the table legend. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 221 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 222 PCB make sure to connect X804A to X806A. For more information, see "In case of V3 models" [  107]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 223 Temperature at the outdoor unit heat exchanger coil is low enough Code Description [9.H] Do you want to start a defrost operation? ▪ Back ▪ EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 224 3 On the user interface, go to [9.N] Export MMI settings. 4 Select OK. 5 Remove the USB memory stick and close the user interface — panel and front panel. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 225 ▪ 1 With hydraulic separator direct pump ▪ 2 With hydraulic separator / with direct pump a: Indoor unit; b: Mixing station; c: Hydraulic separator; d: Direct pump EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 226: Commissioning

    The following items are listed in the submenu: [A] Commissioning Information 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 227: User Profile

    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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 228 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: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 229 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 230: 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 231: Menu Structure: Overview Installer Settings

    Bizone kit installed Bizone system type Add zone pump fixed PWM Main zone pump fixed PWM Mixing valve turning time (*) Only applicable in Swedish language. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 232 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 233: 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 234: Precautions When Commissioning

    There are NO loose connections or damaged electrical components in the switch box. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 235: Checklist During Commissioning

    — reach the minimum required flow rate + 2 l/min. During pump test run, the unit can operate below the minimum required flow rate. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 236: Air Purge Function

    3 In the menu, set Type = Manual. 4 Select Start air purge. 5 Select OK to confirm. Result: The air purge starts. It stops automatically when ready. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 237: Operation Test Run

    This timeframe is then used in the logic to activate the backup heater (see "Equilibrium" [  203]). When (part of) the emitters are closed, this might result in more frequent backup heater operation. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 238: Actuator Test Run

    Perform an actuator test run to confirm the operation of the different actuators. For example, when you select Pump, a test run of the pump will start. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 239: Underfloor Heating Screed Dryout

    The underfloor heating (UFH) screed dryout function is used for drying out the screed of an underfloor heating system during the construction of the building. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 240 Scroll through the schedule. ▪ Adjust the duration (between 1 and 72 hours) and temperatures (between 15°C and 55°C). 4 Press the left dial to save the schedule. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 241 2 Select OK to confirm. To read out the status of an underfloor heating screed dryout Conditions: You are performing an underfloor heating screed dryout. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 242 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 243: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 244: Maintenance And Service

    PCB. 13.2 Yearly maintenance 13.2.1 Yearly maintenance outdoor unit: overview Check the following at least once a year: ▪ Heat exchanger ▪ Water filter EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 245: Yearly Maintenance Outdoor Unit: Instructions

    Magnetic filter/dirt separator a Screw connection b Magnetic sleeve c Drain valve d Drain cap The yearly maintenance of the magnetic filter/dirt separator consists of: EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 246 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 247: About Cleaning The Water Filter In Case Of Trouble

    3 Close the valve (if equipped) of the water circuit towards the expansion vessel. 4 Remove the cap on the bottom of the magnetic filter/dirt separator. 5 Connect a drain hose to the bottom of the water filter. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 248: To Clean The Water Filter In Case Of Trouble

    Bottom part to be unscrewed b Water filter housing 3 Remove the strainer and the rolled‑up filter from the water filter housing and clean with water. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 249: 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 250: Troubleshooting

    If you are unable to find the cause of the problem, call your dealer. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • 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 "8.1.3 To check the water volume and flow rate" [  89]). EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 253: Symptom: The Pump Is Blocked

    If you cannot deblock the rotor of the pump with this method, you will need to disassemble the pump and turn the rotor by hand. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 254: Symptom: The Pump Is Making Noise (Cavitation)

    0 m. The maximum water circuit head is 10 m. Check the installation requirements. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 255: Symptom: The Water Pressure Relief Valve Leaks

    > Backup heater > Equilibrium temperature [5‑01] There is air in the system. Purge air manually or automatically. See the air purge function in the chapter "11 Commissioning" [  233]. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

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

    The disinfection operation was stopped Do NOT stop tank operation during manually: [C.3] Operation > Tank was disinfection. turned off during disinfection. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 257: Solving Problems Based On Error Codes

    Water flow problem during heating/sampling 7H-06 Water flow problem during cooling/defrost 80-01 Entering water thermistor abnormality of outdoor unit 81-00 Leaving water temperature sensor problem EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 258 Leakage current detection error E3-00 OU: Actuation of high pressure switch (HPS) E3-24 High pressure sensor abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 259 Abnormality (outdoor unit) J6-33 Sensor communication error J8-00 Malfunction of refrigerant liquid thermistor JA-00 OU: Malfunction of high pressure sensor JC-00 Low pressure sensor abnormality EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 260 MMI/bizone kit communication problem U8-07 P1P2 communication error UA-00 Indoor unit, outdoor unit matching problem UA-16 Extension/hydro communication problem UA-17 Tank type problem UA-21 Extension/hydro mismatch problem EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 261 A malfunctioning booster heater will have an impact on energy metering and power consumption control. INFORMATION The user interface will display how to reset an error code. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 262: Disposal

    "7.3.6 To install the discharge grille" [  79] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  81] 1 Make sure the unit is not running. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 263: To Manually Open The Electronic Expansion Valves

    3 Turn the EEV magnet anticlockwise to the fully open position of the valve. If you are not sure about what the open position is, turn the valve in its middle position so that refrigerant can pass. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 264: Recovery Mode - In Case Of Epra-Dav3* And Epra-Daw1* Models (7-Leds Display)

    Press BS1 once. H1P keeps flashing, indicating that you are in a mode that does not allow compressor operation. = OFF, = ON, and = flashing. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 265 / solenoid valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 266: Recovery Mode - In Case Of Epra-Dbw1* Models (7-Segments Display)

    Display the current value. Press BS3 once. Change the value to 2. Press BS2 once. Enter the value in the system. Press BS3 once. Confirm. Press BS3 once. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 267 Result: The recovery mode is deactivated. The unit returns the electronic expansion valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 268: 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 latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 16.1...

  • Page 269: Service Space: Outdoor Unit

    ) ≤ H ≥500 ≥300 ≥500 ≥1000 ≥1000 ≤500 <H ≥500 ≥300 ≥500 ≥1000 ≥1000 ≤500 AND H ) > H ≥300 ≥3000 ≥600 ≥500 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 270 Maximum distance between the unit and the edge of obstacle E, in the direction of obstacle D Height of the unit including the installation structure Height of obstacles B and D NOT allowed EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 271: Piping Diagram: Outdoor Unit

    Y3E Electronic expansion valve (injection) Y1S Solenoid valve (4-way valve) Y2S Solenoid valve (low pressure bypass) Y3S Solenoid valve (hot gas bypass) Y4S Solenoid valve (liquid injection) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 272: Piping Diagram: Indoor Unit

    B2L Flow sensor R1T Thermistor (water IN) R2T Thermistor (backup heater – water OUT) S1L Flow switch Screw connection Flare connection Quick coupling Brazed connection EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 273: Wiring Diagram: Outdoor Unit

    Right side view See note *** See note *** Notes: Symbols: Live Neutral Protective earth Noiseless earth Field wiring Option Terminal strip Terminal Connector Connection EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 274 Push button switch C1~C4 (A1P, A2P) Capacitor DS1 (A1P) DIP switch Drain tube heater (field supply) E1HHEX~E3HHEX Plate heat exchanger heaters Field fuse (field supply) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 275 High pressure sensor S1PH, S2PH High pressure switch S1PL Low pressure switch Current transfo TC (A2P) Signal transmission circuit V1D~V4D (A1P) Diode V1R (A1P) IGBT power module EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 276 K3R (A1P) Magnetic relay (Y3S) K4R (A1P) Magnetic relay (E1HC) K2M, K11M (A2P) Magnetic contactor L1R~L4R Reactor Compressor motor Fan motor PS (A2P) Switching power supply EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 277 Printed circuit board (ACS) BS1~BS3 (A1P) Push button switch C1~C619 (A1P) Capacitor DS1 (A1P) DIP switch Drain tube heater (field supply) E1HHEX Plate heat exchanger heater EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 278 High pressure switch S1PL Low pressure switch SEG* (A1P) 7-segment display Current transfo TC (A1P) Signal transmission circuit V1D~V3D (A1P) Diode V1R, V2R (A1P) Diode module EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 279 Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) Z1C~Z11C Noise filter (ferrite core) Z1F~Z5F (A1P, A2P) Noise filter EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 280: Wiring Diagram: Indoor Unit

     Digital I/O PCB  Digital I/O PCB  Demand PCB  Demand PCB  Safety thermostat  Safety thermostat  Smart Grid  Smart Grid  WLAN module  WLAN module  WLAN cartridge  WLAN cartridge EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 281 * Fuse 5 A 250 V for digital I/O PCB K1A, K2A * High voltage Smart Grid relay K1M, K2M Contactor backup heater * Contactor booster heater EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 282 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) EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 283 For HV smartgrid For high voltage Smart Grid For LV smartgrid For low voltage Smart Grid For safety thermostat For safety thermostat For smartgrid For Smart Grid EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 284 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 EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...
  • Page 285 2 core Power limitation demand input 4 communication A8P: X801M: 4-5 signal Only for LAN adapter 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D133217C EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 286: 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. EPRA14~18D + ETBH/X16E Installer reference guide Daikin Altherma 3 H HT W 4P644736-1D – 2023.10...

  • Page 287: 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 288: Field Settings Table

    1/13 Field settings table Applicable indoor units ETBH16E▲6V▼ ETBH16E▲9W▼ ETBX16E▲6V▼ ETBX16E▲9W▼ ETVH16S18E▲6V▼ ETVH16S23E▲6V▼ ETVH16S18E▲9W▼ ETVH16S23E▲9W▼ ETVX16S18E▲6V▼ ETVX16S23E▲6V▼ ETVX16S18E▲9W▼ ETVX16S23E▲9W▼ ETVH16SU18E▲6V▼ ETVH16SU23E▲6V▼ Notes (*1) *6V* (*2) *9W* (*3) ETB* (*4) ETV* (*5) *X* (*6) *H* (*7) *SU* (*8) E model (*E▲6V/9W) (*9) E7 model (*E▲6V7/9W7) ▲...
  • Page 289 2/13 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 8°C └─...
  • Page 290 3/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 2.C.1 [8-05] Modulation 0: No 1: Yes 2.C.2 [8-06] Max modulation 0~10°C, step: 1°C 5°C └─ Shut off valve 2.D.1 [F-0B] During thermo...
  • Page 291 4/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-03] Increase around 0°C 0: No 1: increase 2°C, span 4°C 2: increase 4°C, span 4°C 3: increase 2°C, span 8°C 4: increase 4°C, span 8°C [9-04] Overshoot...
  • Page 292 5/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.3.3 [E-05] Domestic hot water No DHW (*3) [E-06] EKHW, small volume (*3) [E-07] Integrated (*4) EKHW, big volume (*3) EKHWP (*3) 3rd party, small coil (*3) 3rd party, big coil (*3)
  • Page 293 6/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.A [0-04] Leaving water value for high ambient temp. for LWT add zone cooling WD curve. [9-07]~[9-08]°C, step: 1°C [2-0C]=0: 18°C [2-0C]=1:...
  • Page 294 7/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-04] Water pipe freeze prevention 0: Intermittent 1: Continuous 2: Off └─ Benefit kWh power supply 9.8.2 [D-00] Allow heater 0: None 1: BSH only...
  • Page 295 8/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [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] Leaving water value for low ambient temp.
  • Page 296 9/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [2-03] What is the disinfection target temperature? [E-07]≠1 55~75°C, step: 5°C 70°C [E-07]=1: 60°C 60°C [2-04] How long must the tank temperature be maintained? [E-07]≠1: 5~60 min, step: 5 min 10 min...
  • Page 297 10/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-06] What is the requested limit for DI2? 0~50 A, step: 1 A 50 A [5-07] What is the requested limit for DI3? 0~50 A, step: 1 A 50 A [5-08]...
  • Page 298 11/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [8-08] What is the desired eco main LWT in cooling? [9-03]~[9-02], step: 1°C 20°C [8-09] What is the desired comfort main LWT in heating? [9-01]~[9-00], step: 1°C 35°C [8-0A]...
  • Page 299 12/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-03] Leaving water temperature compensation around 0°C. 0: No 1: increase 2°C, span 4°C 2: increase 4°C, span 4°C 3: increase 2°C, span 8°C 4: increase 4°C, span 8°C [D-04]...
  • Page 300 13/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.P.4 [7-0B] Main zone pump fixed PWM 20~95%, step: 5% 9.P.5 [7-0C] Mixing valve turning time 20~300 sec, step: 5 sec 125 sec (*1) *6V*_(*2) *9W*_ (*3) ETB*_(*4) ETV*_...
  • Page 304 4P644736-1D 2023.10 Verantwortung für Energie und Umwelt...

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