Page 1 Installer reference guide Daikin Altherma 3 H HT W https://daikintechnicaldatahub.eu EPRA14DAV3 ETBH16DA6V EPRA16DAV3 ETBH16DA9W EPRA18DAV3 ETBX16DA6V ETBX16DA9W EPRA14DAW1 EPRA16DAW1 EPRA18DAW1...
Page 2: Table Of Contents
Preparing the installation site............................59 6.1.1 Installation site requirements of the outdoor unit..................59 6.1.2 Additional installation site requirements of the outdoor unit in cold climates..........61 Installer reference guide EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 3 Possible screens ................................123 9.3.1 Possible screens: Overview ..........................123 9.3.2 Home screen..............................124 9.3.3 Main menu screen............................127 9.3.4 Menu screen..............................128 9.3.5 Setpoint screen............................... 128 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 4 To display the help text in case of a malfunction ..................228 13.4.2 Error codes: Overview ............................ 229 14 Disposal 14.1 To recover refrigerant..............................234 Installer reference guide EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 5 Piping diagram: Indoor unit ............................239 15.4 Wiring diagram: Outdoor unit ............................240 15.5 Wiring diagram: Indoor unit ............................245 16 Glossary 17 Field settings table EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 6: General Safety Precautions
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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 7: For The Installer
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. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
Page 8: Installation Site
▪ In places where there is a risk of fire due to the leakage of flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 9: Refrigerant
Use a vacuum pump to evacuate the installation. NOTICE After all the piping has been connected, make sure there is no gas leak. Use nitrogen to perform a gas leak detection. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 10: Brine
If applicable. See the installation manual or installer reference guide of your application for more information. WARNING The selection of the brine MUST be in accordance with the applicable legislation. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 11: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 12 Install power cables at least 1 m away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 m may not be sufficient. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 13 Running the product in reversed phase can break the compressor and other parts. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 14: About The Documentation
Format: Paper (in the box of the indoor unit) + Digital files on http:// www.daikineurope.com/support-and-manuals/product-information/ Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. The original documentation is written in English. All other languages are translations. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W...
Page 15: Installer Reference Guide At A Glance
About the documentation 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 16 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 17: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 18 After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "3.2.2 To unpack the outdoor unit" [ 19] ▪ "6.3.4 To install the outdoor unit" [ 69] ±150 4× EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 19: To Unpack The Outdoor Unit
About the box 3.2.2 To unpack the outdoor unit a, b Accessories EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 20: To Remove The Accessories From The Outdoor Unit
Installation manual – Discharge grille NOTICE Unpacking – Front corners. When you remove the front packaging corners, hold the box containing the discharge grille to prevent it from falling. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 21: Indoor Unit
General safety precautions Addendum book for optional equipment Indoor unit installation manual Operation manual Sealing ring for shut-off valve Shut-off valve Overpressure bypass valve Wall bracket EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 22: About The Units And Options
Location Model identification Example: EP R A 14 DA V3 Code Explanation European hydro-split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 23: Identification Label: Indoor Unit
4.3.2 Possible combinations of indoor unit and domestic hot water tank Combination table Indoor unit Domestic hot water tank EKHWS*D* EKHWSU*D* EKHWP Third-party tank ETBH/X EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 24: Possible Options For The Outdoor Unit
Multi-zoning wired controls You can connect the following multi-zoning wired controls: ▪ Multi-zoning base unit 230 V (EKWUFHTA1V3) ▪ Digital thermostat 230 V (EKWCTRDI1V3) ▪ Analogue thermostat 230 V (EKWCTRAN1V3) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 25 As an option the remote outdoor sensor can be installed to measure the outdoor temperature on another location (e.g. to avoid direct sunlight) to have an improved system behaviour. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 26 For installation instructions, see the installation manual of the bizone kit. Connection kit for third‑party tank (EKHY3PART) Required when connecting a third-party tank to the system. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 27 For installation instructions, see the installation and operation manual of the Human Comfort Interface (HCI) as room thermostat. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 28: 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 29: Setting Up The Space Heating/Cooling System
Emergency [9.5] to Automatic. NOTICE An overpressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 30: 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) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 31 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 32 (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] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 33 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 34: Multiple Rooms - One Lwt Zone
(this can either be the dedicated Human Comfort Interface (BRC1HHDA) or an external EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 35 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 36 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 37 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] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 38 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 39: Multiple Rooms - Two Lwt Zones
In heating: 35°C ▪ In cooling: 20°C (only refreshment, no real cooling allowed) Bed rooms (additional zone) Heat pump convectors: ▪ In heating: 45°C ▪ In cooling: 12°C EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 40 (X2M/29 and X2M/21; normally closed shut-off valve output). The room temperature is controlled by the dedicated Human Comfort Interface (BRC1HHDA used as room thermostat). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 41 At the mixing valve station Set the desired main leaving water temperature for heating and/or cooling. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 42: Setting Up An Auxiliary Heat Source For Space Heating
During heating operation of the auxiliary boiler, the auxiliary boiler operates to achieve the desired water temperature set via the auxiliary boiler controller. Setup ▪ Integrate the auxiliary boiler as follows: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 43 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 60°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 60°C.
Page 44 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 (°C) –30 –25 –20 –15 –10 –5 (°C) Outdoor temperature Minimum weather-dependent setpoint for auxiliary gas boiler EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 45: Setting Up The Domestic Hot Water Tank
Are there any other domestic hot water — needs? Example: If the DHW consumption of a family (4 persons) per day is as follows: ▪ 3 showers ▪ 1 bath EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 46 However, this consumes more energy. We recommend to set the desired DHW tank temperature below 55°C to avoid using the electrical resistance. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 47: Setup And Configuration - Dhw Tank
DHW tank. 5.4.4 DHW pump for instant hot water Setup a DHW tank b Cold water IN c Hot water OUT (shower (field supply)) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 48: Dhw Pump For Disinfection
If applicable legislation requires disinfection of the water piping until the tapping point, you can connect a DHW pump and heater element (if needed) as shown above. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 49: 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 50: Produced Heat
The consumed energy is calculated internally based on: The actual power input of the outdoor unit The set capacity of the backup heater and booster heater (if applicable) The voltage EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 51: Normal Kwh Rate Power Supply
Backup heater supplied from a three- (*6V (6T1): 3~ 230 V) phase grid (i.e. the backup heater (*9W: 3N~ 400 V) model is *9W or *6V connected to a three-phase grid) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 52: Preferential Kwh Rate Power Supply
5.5.4 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). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 53: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 54: Permanent Power Limitation
Defrost operation. Otherwise, if defrosting is interrupted several times, the heat exchanger will freeze up. ▪ Space heating and DHW production by allowing the backup heater step 1. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 55: Power Limitation Activated By Digital Inputs
5.6.2 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
Booster heater Backup heater Limited outdoor unit operation Full outdoor unit operation Booster heater turned ON Backup heater step 1 turned ON Backup heater step 2 turned ON EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 57: Bbr16 Power Limitation
That is NOT exposed to direct sunlight That is NOT near a heat source That is NOT affected by outside air or air draught because of, for example, door opening/closing EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 58 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 59: Unit Installation
Do NOT hang the unit on a ceiling. Strong winds (≥18 km/h) blowing against the outdoor unit’s air outlet causes short circuit (suction of discharge air). This may result in: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 60 Install the outdoor unit away from direct sea winds. Example: Behind the building. If the outdoor unit is exposed to direct sea winds, install a windbreaker. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 61: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
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. 6.1.2 Additional installation site requirements of the outdoor unit in cold climates Protect the outdoor unit against direct snowfall and take care that the outdoor unit is NEVER snowed up.
Page 62: Installation Site Requirements Of The Indoor Unit
Maximum water piping length between indoor unit and 10 m domestic hot water tank Maximum distance between the 3‑way valve and the indoor 3 m unit (for installations with domestic hot water tank) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 63: 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 64: To Remove The Transportation Stay
3 Remove the transportation stays (2×), and dispose of them. 6.2.4 To close the outdoor unit NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 4.1 N•m. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 65: To Open The Indoor Unit
Switch box cover Switch box User interface panel Open 1 Remove the front panel. 2 If you have to connect electrical wiring, remove the switch box cover. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 66 5 Optional: Remove the user interface panel. NOTICE If you remove the user interface panel, also disconnect the cables from the back of the user interface panel to prevent damage. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 67: To Close The Indoor Unit
6.3.2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪ "1 General safety precautions" [ 6] ▪ "6.1 Preparing the installation site" [ 59] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 68: To Provide The Installation Structure
When installing on a pedestal, make sure that the discharge grille still can be put in its safety position. See "6.3.7 To remove the discharge grille, and put the grille in safety position" [ 72]. 4× M12 (mm) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 69: To Install The Outdoor 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. 4× M12 3 Remove the slings (and screws), and dispose of them. 4× EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 70: To Provide Drainage
Provide at least 150 mm of free space below the unit. Additionally, make sure the unit is positioned at least 100 mm above the expected level of snow. Use the drain plug (with O-ring) and a hose for drainage. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 71: To Install The Discharge Grille
4 Align and attach the left side. 5 Align and attach the middle part. 6 Align and attach the right side. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 72: To Remove The Discharge Grille, And Put The Grille In Safety Position
71] ▪ "6.3.7 To remove the discharge grille, and put the grille in safety position" [ 72] 1 Remove the upper part of the discharge grille. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 73 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 74: Mounting The Indoor Unit
2× Optional: If you want to fix the unit to the wall from inside the unit, provide an additional screw plug. 2 Lift the unit. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 75 ▪ Remove the upper front panel, and open the switch box. See "6.2.5 To open the indoor unit" [ 65]. ▪ Fix the unit to the wall with an Ø8 mm screw. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 76: To Connect The Drain Hose To The Drain
1 Connect a drain tube (field supply) to the drain pan connector as follows: Drain pan connector It is recommended to use a tundish to collect the water. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 77: Piping Installation
Closed circuit. Use the indoor unit ONLY in a closed water system. Using the system in an open water system will lead to excessive corrosion. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 78 Drainage – Pressure relief valve. Connect the drain hose properly to the drain to avoid water dripping out of the unit. See "6.4.4 To connect the drain hose to the drain" [ 76]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 79: Formula To Calculate The Expansion Vessel Pre-Pressure
Recirculation pump 7.1.2 Formula to calculate the expansion vessel pre-pressure The pre-pressure (Pg) of the vessel depends on the installation height difference (H): Pg=0.3+(H/10) (bar) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 80: To Check The Water Volume And Flow Rate
85]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. 200 220 Pre-pressure (bar) Maximum water volume (l) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 81 NOT be displayed on the user interface. In this case, the minimum flow rate can be checked by way of the pump test (check that the user interface does NOT display error 7H). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 82: Changing The Pre-Pressure Of The Expansion Vessel
Example 2 The indoor unit is installed at the highest point in the water circuit. The total water volume in the water circuit is 250 l. Actions: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 83: Connecting Water Piping
Deformation of the piping can cause malfunctioning of the unit. Outdoor unit 1 Connect the shut-off valve (with integrated filter) to the outdoor unit water inlet, using thread sealant. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 84 3 Connect the space heating/cooling field piping on the space heating water OUT connection (b) of the indoor unit. Water IN (screw connection, 1") Space heating water OUT (screw connection, 1") EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 85: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 86 To prevent the system from freezing, more glycol is required. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 87 To install freeze protection valves To protect the field piping against freezing, install the following parts: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 88: To Fill The Domestic Hot Water Tank
7.2.7 To insulate the water piping The piping in the complete water circuit MUST be insulated to prevent condensation during cooling operation and reduction of the heating and cooling capacity. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 89 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. This recommendation ensures good operation of the unit, however, local regulations may differ and shall be followed.
Page 90: Electrical Installation
▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 91: Guidelines When Connecting The Electrical Wiring
Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 92: About Electrical Compliance
E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ... EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 93: 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 94: Connections To The Outdoor Unit
3 Insert the cables at the back of the unit, and route them through the factory- mounted cable sleeves into the switch box. For the power supply, use the factory-mounted cable. a1+a2 Power supply cable (factory-mounted cable) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 95 ▪ 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 96 ▪ 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) — EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 97 ▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Use the factory-mounted cable. Wires: 3N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 98 ▪ 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 — EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 99 ▪ 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) — EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 100: To Reposition The Air Thermistor On The Outdoor Unit
8.2.2 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 101: Connections To The Indoor Unit
Maximum running current: 100 mA For the main zone: ▪ [2.9] Control ▪ [2.A] Thermostat type For the additional zone: ▪ [3.A] Thermostat type ▪ [3.9] (read-only) Control EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 102 ▪ 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 103 Installation manual of the domestic hot heater (to indoor unit) water tank ▪ Addendum book for optional equipment Wires: 2+GND Maximum running current: 13 A [9.4] Booster heater EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 104 Tank with booster heater installed at the side of the tank. ▪ EKHWP/HYC Tank with optional booster heater installed at the top of the tank. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 105: To Connect The Main Power Supply
Wires: (3+GND)×1.5 mm² (= main power supply) — 1 2 3 Interconnection cable (=main power supply) X11Y X11YA X11YB 1 2 3 Interconnection cable (=main power supply) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 106 Interconnection cable (=main power supply) Normal kWh rate power supply Preferential power supply contact 3 Fix the cables with cable ties to the cable tie mountings. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 107: To Connect The Backup Heater Power Supply
The backup heater capacity can vary, depending on the indoor unit model. Make sure that the power supply is in accordance with the backup heater capacity, as listed in the table below. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 108 Connect the backup heater power supply as follows: Q1DI Factory-mounted cable connected to the contactor of the backup heater, inside the switch box (K5M) Field wiring (see table below) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 109 *6V (6T1: 3~ 230 V) Q1DI 3~, 50 Hz L1 L2 L3 230 V AC *9W (3N~ 400 V) Q1DI 3N~, 50 Hz L1 L2 L3 400 V AC EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 110: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 111: To Connect The Electricity Meters
2 Switch box cover 3 Switch box 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. 6 5 4 3 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 112: To Connect The Domestic Hot Water Pump
2 Switch box cover 3 Switch box 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 113: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 114: 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 alarm output Wire between X2M and A4P Installation of EKRP1HBAA is required. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 115: To Connect The Changeover To External Heat Source
2 Switch box cover 3 Switch box 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 116: To Connect The Power Consumption Digital Inputs
2 Switch box cover 3 Switch box 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 117: To Connect The Safety Thermostat (Normally Closed Contact)
2 Switch box cover 3 Switch box 2 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 118 The preferential kWh rate power supply contact is connected to the same terminals (X5M/9+10) as the safety thermostat. Thus, the system can have EITHER preferential kWh rate power supply OR a safety thermostat. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 119: Configuration
First time – Configuration wizard. When you turn ON the user interface for the first time (via the indoor unit), the configuration wizard starts to help you configure the system. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 120: 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 121 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 122: Configuration Wizard
Booster heater capacity [9.4.1] (if applicable) Backup heater Voltage [9.3.2] "Backup heater" [ 181] Configuration [9.3.3] Capacity step 1 [9.3.4] Additional capacity step 2 [9.3.5] (if applicable) Main zone EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 123: Possible Screens
Comfort setpoint [5.2] Eco setpoint [5.3] Reheat setpoint [5.4] Hysteresis [5.9] and [5.A] 9.3 Possible screens 9.3.1 Possible screens: Overview The most common screens are as follows: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 124: Home Screen
26 Feb 2019 22:19 Possible actions on this screen Go through the list of the main menu. Go to the main menu screen. Enable/disable breadcrumbs. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 125 Outdoor unit Indoor unit / domestic hot water tank Floor-standing indoor unit with integrated tank Wall-mounted indoor unit Wall-mounted indoor unit with separated tank Water pressure EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 126 "13.4.1 To display the help text in case of a malfunction" [ 228] for more information. If the corresponding operation (for example: space heating) is not active, the circle is greyed out. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 127: Main Menu Screen
Displays data and information about the Information indoor unit. Installer settings Restriction: Only for the installer. Gives access to advanced settings. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 128: Menu Screen
°C °C – – Additional zone Tank Explanation – Possible actions on this screen Go through the list of the submenu. Go to the submenu. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 129: Detailed Screen With Values
INFORMATION The procedures to program other schedules are similar. To program the schedule: overview Example: You want to program the following schedule: User defined 1 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 130 1 Select the day of which you want to clear the content. For example Friday User defined 1 2 Select Delete. Delete Edit Copy 3 Select OK to confirm. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 131 To copy the schedule to the other weekdays 1 Select Monday. User defined 1 2 Select Copy. Delete Edit Copy Result: Next to the copied day, "C" is displayed. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 132 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 133: Weather-Dependent Curve
EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 134: 2-Points Curve
See "9.4.4 Using weather-dependent curves" [ 136]. 9.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 135: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 136: Using Weather-Dependent Curves
9.4.4 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: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 137 To fine-tune the weather-dependent curve: slope-offset curve The following table describes how to fine-tune the weather-dependent curve of a zone or tank: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 138: Settings Menu
To display the error code, open the menu screen and go to [0] Malfunctioning. Press more information about the error. User profile Operation Malfunctioning Room Main zone EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 139: Room
Room frost protection, when enabled, is not guaranteed when there is no room thermostat that can activate the heat pump. This is the case when: ▪ [2.9] Control=External room thermostat and [C.2] Space heating/ cooling=Off, or if EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 140 Space heating/cooling=On, and The unit will supply leaving water to the heat emitters to heat up the room ▪ Operation mode=Heating according to normal logic. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 141 ▪ Outdoor temperature drops below 6°C ▪ Space heating/cooling=On, and There is no room frost protection. ▪ Operation mode=Cooling Room thermostat control ([C‑07]=2) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 142 Human Comfort Interface or the external room sensor cannot be installed at the ideal location. "5.7 Setting up an external temperature sensor" [ 57]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 143: Main Zone
▪ In Weather dependent LWT setpoint mode, the scheduled actions consist of desired shift actions, either preset or custom. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 144 134] and "9.4.3 Slope-offset curve" [ 135]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 145 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): EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 146 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 147 Setpoint range To prevent a wrong (i.e. too hot or too cold) leaving water temperature for the main leaving water temperature zone, limit its temperature range. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 148 ▪ Otherwise: 37°C~55°C [2.8.3] [9-02] Cooling minimum: ▪ 5°C~18°C [2.8.4] [9-03] Cooling maximum: ▪ 18°C~22°C Control Define how the operation of the unit is controlled. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 149 Delta T is the absolute value of the temperature difference between the leaving water and entering water. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 150 Additionally, also the desired leaving water temperature must be configured: if Modulation is enabled, the unit automatically calculates the desired leaving water temperature. These calculations are based on: ▪ the preset temperatures, or EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 151 1 leaving water temperature zone, connect the shut-off valve to the heating/cooling output. The shut off valve for the main leaving water temperature zone can close under these circumstances: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 152: Additional Zone
▪ 1 Yes: closes when the space operation mode is cooling. 9.5.4 Additional zone Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 153 129]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [ 144]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 154 Also see "9.5.3 Main zone" [ 143]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset Heating WD curve Set weather-dependent heating for the additional zone (if [3.4]=1 or 2): EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 155 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): EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 156 [9‑05]~[9‑06] [1‑0C] 0: Underfloor Maximum 55°C Variable (see [3.B.1]) heating 1: Fancoil unit Maximum 55°C Variable (see [3.B.1]) 2: Radiator Maximum 70°C Fixed 10°C EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 157 (X2M/35a) ▪ 2: 2 contacts. Connected to 2 digital inputs (X2M/34a and X2M/35a) Leaving water temperature: Delta T For more information, see "9.5.3 Main zone" [ 143]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 158: Space Heating/Cooling
To tell the system which space operation to use, you can: You can… Location Check which space operation mode is currently used. Home screen EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 159 Cooling only: Restricted 4 Confirm the changes. Example: Changeover restrictions When Restriction During cold season. Heating only Example: October, November, December, January, February and March. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 160 (thus 24+1=25°C) and the desired heating temperature added by the offset value (thus 22+4=26°C). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 161 LWT zone. Code Description [4.4] [7‑02] ▪ 0: Single zone Only one leaving water temperature zone: a Main LWT zone EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 162 When the space heating/cooling operation is OFF, the pump is always OFF. When space heating/cooling operation is ON, you have the choice between these operation modes: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 163 Sample is ONLY available in leaving water temperature control. a Space heating/cooling control b Off c On d LWT temperature e Actual f Desired g Pump operation EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 164 With this limitation range, delta T is possible and the comfort is guaranteed. The maximum values depend on the unit type: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 165 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). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 166: Tank
Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "9.5.2 Room" [ 139]. 9.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 167 When you later want to change the storage setpoint, you only have to do it in one place. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 168 ▪ 2: Schedule only: The domestic hot water tank can ONLY be heated according to a schedule. See the operation manual for more details. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 169 55°C~75°C [5.7.5] [2‑04] Duration: 5~60 minutes [2-03] [2-04] 00.00 01.00 22.00 23.00 24.00 [2-02] Domestic hot water temperature User setpoint temperature High setpoint temperature [2-03] Time EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 170 During disinfection of the domestic hot water tank, the DHW temperature can exceed this maximum temperature. INFORMATION Limit the maximum hot water temperature according to the applicable legislation. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 171 (according to the weather dependent curve), the storage economic and reheat temperature are NOT weather dependent. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 172 Heat pump OFF temperature (T −[6-01]) HP OFF HP MAX Heat pump ON temperature (T −[6-00]) HP ON HP OFF Domestic hot water temperature EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 173: User Settings
By default, daylight savings time is enabled and clock format is set to 24 hours. If you want to change these settings, you can do this in the menu structure (User settings > Time/date) once the unit is initialised. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 174 Manually activate a quiet mode level ▪ Enable the user to program a quiet mode schedule If enabled by the installer, the user can program a quiet mode schedule. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 175 [7.5.1], [7.5.2] and [7.5.3]. Do NOT use overview settings. To set the gas price 1 Go to [7.6]: User settings > Gas price. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 176 To set the gas price in case of an incentive per kWh renewable energy Calculate the value for the gas price with the following formula: ▪ Actual gas price+(Incentive/kWh×0.9) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 177: Information
[8.2] Malfunction history Installer settings Commissioning [8.3] Dealer information [8.4] Sensors [8.5] Actuators [8.6] Operation modes [8.7] About [8.8] Connection status [8.9] Running hours [8.A] Reset EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 178: Installer Settings
LAN adapter. [8.9] Running hours Running hours of specific system components 9.5.9 Installer settings Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 179 Tank with booster heater installed at the side of the tank. ▪ EKHWP/HYC Tank with optional booster heater installed at the top of the tank. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 180 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 181 [6‑03]+[6‑04]. INFORMATION If [4‑0A]=3 and emergency mode is active, the power usage of the backup heater is maximal and equal to 2×[6‑03]+[6‑04]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 182 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 183 ▪ Make sure that [8‑03] is always in relation with the maximum running time [8‑01]. Range: 20~95 minutes EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 184 NOT active in domestic hot water operation. Same as setting 1, but simultaneous heat pump domestic hot water operation and booster heater operation is not allowed. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 185 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 186 [5-01] Equilibrium temperature and [5-03] Space heating priority temperature are related to backup heater. So, you must set [5-03] equal or a few degrees higher than [5-01]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 187 [8-04]: Additional timer at [4-02]/[F-01] [8-01]+ [8-01]+ [8-04] [8-04] [8-02] [8-02] [8-01] [8-01] [5-03] [4-02] [F-01] 35°C Ambient (outdoor) temperature Time Anti-recycle timer Maximum running time domestic hot water EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 188 Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation ([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if enabled– will remain active. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 189 (via X2M/5‑6) and the backup heater is NOT connected to the preferential kWh rate power supply. [9.8.3] [D-05] Allow pump: ▪ 0 No: Pump is forced off ▪ 1 Yes: No limitation EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 190 Limit when [9.9.1]=Continuous and [9.9.2]=kW: Code Description [9.9.8] [5-09] Limit: Only applicable in case of full time power limitation mode. 0 kW~20 kW Limits when [9.9.1]=Inputs and [9.9.2]=kW: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 191 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 192 ▪ 0 None: NOT installed ▪ 1 1/10kWh: Installed ▪ 2 1/kWh: Installed ▪ 3 10/kWh: Installed ▪ 4 100/kWh: Installed ▪ 5 1000/kWh: Installed EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 193 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 194 Space heating by the heat Bivalent signal for the pump system… auxiliary boiler is… Drops below T Stops Active calc Rises above T +3°C Starts Inactive calc EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 195 2 Determine the value of [C‑03] using the graph. For an example, see the table legend. 2.5 (a) 10.5 (b) [C‑03]=2.5 in case of COP=3 and LWT=35°C [C‑03]=10.5 in case of COP=3 and LWT=55°C EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 196 See also table below (Alarm output logic). Alarm output logic [C-09] Alarm No alarm No power supply to unit Closed output Open output Open output Open output Closed output EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 197 To enable the power saving function setting, [E‑08] needs to be enabled on the user interface. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 198 ▪ To export MMI settings 1 Open the front panel (1) and the user interface panel (2) (see — "6.2.5 To open the indoor unit" [ 65]): EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 199: Commissioning
[C.2] Space heating/cooling Malfunctioning Room [C.3] Tank To enable or disable functionalities In the operation menu, you can separately enable or disable functionalities of the unit. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 200: Wlan Adapter
[D.4] Device info About the WLAN adapter The wireless LAN adapter connects the heat pump system to the internet. The user can then control the heat pump system via the Daikin Residential Controller app. This needs the following components: WLAN adapter...
Page 201 See: http://www.onlinecontroller.daikineurope.com/ Configuration To configure the Daikin Residential Controller app, follow the in-app instructions. While doing this, the following actions and information are needed on the user interface of the indoor unit: Mode: Turn AP mode ON (= WLAN adapter active as access point) or OFF.
Page 202: Menu Structure: Overview User Settings
Only accessible by installer (***) Only applicable when WLAN adapter is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 203: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 204: Commissioning
10 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 the commissioning and hand-over to the user.
Page 205: Precautions When Commissioning
There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. Backup heater circuit breaker F1B (field supply) is turned ON. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 206: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 207: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 208: Operation Test Run
"To change — the user permission level" [ 120]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select a test from the list. Example: Heating. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 209: Actuator Test Run
2 Select OK to confirm. Possible actuator test runs ▪ Booster heater test ▪ Backup heater 1 test ▪ Backup heater 2 test ▪ Pump test EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 210: Underfloor Heating Screed Dryout
1 the duration in hours, up to 72 hours, 2 the desired leaving water temperature, up to 55°C. Example: 24h (1) 36h (2) 35°C (2) 25°C (1) Desired leaving water temperature (15~55°C) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 211 [D‑01]=0 ▪ [4‑08]=0 ▪ [4‑01]≠1 Steps Conditions: An underfloor heating screed dryout schedule has been programmed. "To program an underfloor heating screed dryout schedule" [ 210]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 212 1 Go to [A.4.3]: Commissioning > UFH screed dryout > Status 2 You can read out the value here: Stopped at + the step — where the underfloor screed dryout was stopped. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 213 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 214: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 215: Maintenance And Service
Before performing any maintenance or service work, touch a metal part of the unit in order to eliminate static electricity and to protect the PCB. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 216: Yearly Maintenance
Pressure relief valve of the domestic hot water tank ▪ Switch box 12.3.4 Yearly maintenance indoor unit: instructions Water pressure Keep water pressure above 1 bar. If it is lower, add water. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 217 ▪ "12.4.1 To remove the water filter" [ 219] ▪ "12.4.2 To clean the water filter in case of trouble" [ 219] ▪ "12.4.3 To install the water filter" [ 221] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 218 OFF. WARNING If the internal wiring is damaged, it has to be replaced by the manufacturer, its service agent or similarly qualified persons. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 219: About Cleaning The Water Filter In Case Of Trouble
12.4.2 To clean the water filter in case of trouble 1 Remove the water filter from the unit. See "12.4.1 To remove the water filter" [ 219]. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 220 Correctly install the strainer in the magnetic filter/dirt separator housing using the protrusions. Rolled‑up filter Strainer Protrusion 5 Install and properly tighten the bottom of the water filter housing. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 221: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 222: Troubleshooting
If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 223: Solving Problems Based On Symptoms
Make sure that the water volume in the too low installation is above the minimum required value (see "7.1.3 To check the water volume and flow rate" [ 80]). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 224: Symptom: Hot Water Does Not Reach The Desired Temperature
We recommend to purge air with the air purge function of the unit (to be performed by the installer). If you purge air from the heat emitters or collectors, mind the following: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 225: Symptom: The Pump Is Blocked
Purge air manually (see "To perform a manual air purge" [ 207]) or use the automatic air purge function (see "To perform an automatic air purge" [ 208]). EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 226: 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 227: Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures
Increase the "space heating priority temperature" to activate backup heater operation at a higher outdoor temperature. [9.6.3]: Installer settings > Balancing > Offset BSH setpoint [5‑03] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 228: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High
13.4.1 To display the help text in case of a malfunction In case of a malfunction, the following will appear on the home screen depending on the severity: EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 229: Error Codes: Overview
Overheating water circuit (thermostat) A1-00 Zero cross detection problem A5-00 OU: High pressure peak cut / freeze protection problem AA-01 Backup heater overheated AC-00 Booster heater overheated EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 230 OU: Malfunction of compressor input (CT) system H9-00 OU: Malfunction of outdoor air thermistor HC-00 Tank temperature sensor problem HC-01 Second tank temperature sensor problem EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 231 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 232 If an U8‑04 error occurs, the error can be reset after a successful update of the software. If the software is not successfully updated then you must make sure that your USB device has the FAT32 format. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 233 A malfunctioning booster heater will have an impact on energy metering and power consumption control. INFORMATION The user interface of the indoor unit will display how to reset an error code. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 234: Disposal
See: ▪ "6.3.6 To install the discharge grille" [ 71] ▪ "6.3.7 To remove the discharge grille, and put the grille in safety position" [ 72] EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 235 3 Turn the EEV magnet clockwise 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. EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 236: Technical Data
Technical data 15 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 15.1...
Page 237: Service Space: Outdoor Unit
≥300 ≥100 ≥500 (mm) 3D124412 English Translation General General No top-side obstacle No top-side obstacle Top-side obstacle Top-side obstacle Wall height unrestricted Wall height unrestricted EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 238: Piping Diagram: Outdoor Unit
Electronic expansion valve (main) Electronic expansion valve (injection) Solenoid valve (4-way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 239: Piping Diagram: Indoor Unit
B1PW Space heating water pressure sensor Thermistor (water IN) Thermistor (backup heater – water OUT) Flow switch Screw connection Flare connection Quick coupling Brazed connection EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 240: 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 241 Light-emitting diode (service monitor is orange) HAP (A1P) Light-emitting diode (service monitor is green) K1R (A1P) Magnetic relay (Y1S) K1R (A4P) Magnetic relay (E1HHEX~E3HHEX) K2R (A1P) Magnetic relay (Y2S) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 242 Insulated Gate Bipolar Transistor (IGBT) X1M, X2M Terminal strip Electronic expansion valve (main) Electronic expansion valve (injection) Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 243 Earth leakage circuit breaker (30 mA) (field supply) R1, R2 (A2P) Resistor Thermistor (outdoor air) Thermistor (compressor discharge) Thermistor (compressor suction) Thermistor (air heat exchanger, distributor) Thermistor (air heat exchanger, middle) EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 244 Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) Z1C~Z10C Noise filter (ferrite core) Z1F~Z4F (A1P, A3P) Noise filter EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 245: Wiring Diagram: Indoor Unit
Ext outdoor thermistor External outdoor thermistor Digital I/O PCB Digital I/O PCB Demand PCB Demand PCB Safety thermostat Safety thermostat Main LWT Main leaving water temperature EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 246 Contactor backup heater * Contactor booster heater Safety contactor backup heater K*R (A4P) Relay on PCB # Domestic hot water pump # 2-way valve for cooling mode EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 247 Use normal kWh rate power supply for Use normal kWh rate power supply for indoor unit indoor unit (2) Backup heater power supply (2) Backup heater power supply EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 248 Changeover to ext. heat source Changeover to external heat source Max. load Maximum load Min. load Minimum load Only for demand PCB option Only for demand PCB option EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 249 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 EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 250 5 core 2×0.75 A20P: J2 X5M: 11-12 A14P: P1-P2 user interface communication communication A11P: X9: 1-2-3 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D124706A EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1A – 2020.01...
Page 251: 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 252 1/11 95D1 Field settings table [8.7.5] = ..Applicable indoor units ETBH16DA6V ETBH16DA9W ETBX16DA6V ETBX16DA9W ETVH16S18DA6V* ETVH16S23DA6V* ETVH16S18DA9W* ETVH16S23DA9W* ETVX16S18DA6V* ETVX16S23DA6V* ETVX16S18DA9W* ETVX16S23DA9W* Notes (*1) *6V (*2) *9W (*3) ETB* (*4) ETV* (*5) *X* (*6) *H* 4P586458-1 - 2019.07...
Page 253: Field Settings Table
2/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official 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 254 3/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value └─ Heating WD curve [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 [2-0C]=0 25°C...
Page 255 4/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value └─ Disinfection 5.7.1 [2-01] Activation 0: No 1: Yes 5.7.2 [2-00] Operation day 0: Each day 1: Monday 2: Tuesday 3: Wednesday 4: Thursday...
Page 256 5/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.1.4.4 [6-04] Additional capacity step 2 0~10kW, step: 0,2kW 4kW (*1) 6kW (*2) └─ Main zone 9.1.5.1 [2-0C] Emitter type 0: Underfloor heating...
Page 257 6/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.2.1 [E-05] Domestic hot water No DHW (*3) [E-06] EKHW (*3) [E-07] Integrated (*4) EKHWP (*3) 9.2.2 [D-02] DHW pump 0: No DHW pump...
Page 258 7/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.9.B [5-0B] Limit 3 0~20 kW, step: 0,5 kW 20 kW 9.9.C [5-0C] Limit 4 0~20 kW, step: 0,5 kW 20 kW 9.9.D [4-01]...
Page 259 8/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [1-02] Leaving water value for low ambient temp. for LWT main zone heating WD curve. [9-01]~[9-00], step: 1°C [2-0C]=0 35°C [2-0C]=1...
Page 260 9/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official 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 35°C [4-03]...
Page 261 10/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [7-03] [7-04] [7-05] Boiler efficiency 0: Very high 1: High 2: Medium 3: Low 4: Very low [7-06] HP Forced OFF 0: Disabled...
Page 262 11/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [D-01] Contact type of preferential kWh rate PS installation? 0: No 1: Active open 2: Active closed 3: Safety thermostat [D-02] Which type of DHW pump is installed?
Page 264 4P587501-1A 2020.01 Verantwortung für Energie und Umwelt...

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