Page 1 Installer reference guide Daikin Altherma 3 H HT W https://daikintechnicaldatahub.eu EPRA14DAV3 ETBH16DF6V EPRA16DAV3 ETBH16DF9W EPRA18DAV3 ETBX16DF6V ETBX16DF9W EPRA14DAW1 EPRA16DAW1 EPRA18DAW1...
Page 2: Table Of Contents
Preparing the installation site............................57 6.1.1 Installation site requirements of the outdoor unit..................57 6.1.2 Additional installation site requirements of the outdoor unit in cold climates..........59 Installer reference guide EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 3 Possible screens ................................120 9.3.1 Possible screens: Overview ..........................120 9.3.2 Home screen..............................121 9.3.3 Main menu screen............................124 9.3.4 Menu screen..............................125 9.3.5 Setpoint screen............................... 125 EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 4 To display the help text in case of a malfunction ..................225 13.4.2 Error codes: Overview ............................ 225 14 Disposal 14.1 To recover refrigerant..............................230 15 Technical data Installer reference guide EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 5 Piping diagram: Indoor unit ............................236 15.4 Wiring diagram: Outdoor unit ............................237 15.5 Wiring diagram: Indoor unit ............................242 16 Glossary 17 Field settings table EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
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
If applicable. See the installation manual or installer reference guide of your application for more information. NOTICE Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 9 ▪ The unit is factory charged with refrigerant and depending on pipe sizes and pipe lengths some systems require additional charging of refrigerant. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 10: Brine
1.2.5 Water If applicable. See the installation manual or installer reference guide of your application for more information. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 11: Electrical
EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 12 Running the product in reversed phase can break the compressor and other parts. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 13: About The Documentation
Format: Paper (in the box of the 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/X16DF6V+9W...
Page 14: 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 15 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 16: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 17 After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "To unpack the outdoor unit" [ 18] ▪ "To install the outdoor unit" [ 67] ±150 4× EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 18: To Unpack The Outdoor Unit
About the box 3.2.2 To unpack the outdoor unit a, b Accessories EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 19: To Remove The Accessories From The Outdoor Unit
Unpacking – Front corners. When you remove the front packaging corners, hold the box containing the discharge grille to prevent it from falling. 3.3 Indoor unit 3.3.1 To unpack the indoor unit EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 20: To Remove The Accessories From The Indoor Unit
Addendum book for optional equipment c Indoor unit installation manual d Operation manual e Sealing ring for shut-off valve f Shut-off valve g Overpressure bypass valve h Wall bracket EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 21: About The Units And Options
4.2.1 Identification label: Outdoor unit 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) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 22: Identification Label: Indoor Unit
Domestic hot water tank EKHWS EKHWSU EKHWP Third-party tank ETBH/X When using a third-party tank, make sure it complies with the minimum requirements (see "Third-party tank requirements" [ 23]). EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 23: Possible Options For The Outdoor Unit
Analogue thermostat 230 V (EKWCTRAN1V3) ▪ Actuator 230 V (EKWCVATR1V3) For installation instructions, see the installation manual of the control, and the addendum book for optional equipment. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 24 You can only connect either the remote indoor sensor or the remote outdoor sensor. Remote outdoor sensor (EKRSCA1) By default the sensor inside the outdoor unit will be used to measure the outdoor temperature. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 25 Required when connecting a third-party tank to the system. Contains a thermistor and a 3-way valve. For installation instructions, see the installation manual of the connection kit. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 26 For installation instructions, see the installation and operation manual of the Human Comfort Interface (HCI) as room thermostat. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 27: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 28: Setting Up The Space Heating/Cooling System
▪ For more information about connecting the electrical wiring to the unit, see: "8.2 Connections to the outdoor unit" [ 92] "8.3 Connections to the indoor unit" [ 99] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 29 ▪ For more information about connecting the electrical wiring to the unit, see: "8.2 Connections to the outdoor unit" [ 92] "8.3 Connections to the indoor unit" [ 99] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 30 Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/OFF signals, it is specifically designed for the heat pump system. ▪...
Page 31 The underfloor heating The heat pump convectors ▪ Space cooling is provided by the heat pump convectors only. The underfloor heating is shut off by the shut-off valve. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 32 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 33: Multiple Rooms - One Lwt Zone
▪ For more information about connecting the electrical wiring to the unit, see: "8.2 Connections to the outdoor unit" [ 92] "8.3 Connections to the indoor unit" [ 99] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 34 99] ▪ For each room, a shut-off valve (field supplied) is installed to avoid leaving water supply when there is no heating or cooling demand. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 35 ▪ For more information about connecting the electrical wiring to the unit, see: "8.2 Connections to the outdoor unit" [ 92] "8.3 Connections to the indoor unit" [ 99] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 36 Combination: Underfloor heating + Heat pump convectors – Multiple rooms Setup A Main leaving water temperature zone B Room 1 C Room 2 a External room thermostat EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 37: Multiple Rooms - Two Lwt Zones
Main zone = Zone with the lowest design temperature in heating, and the highest design temperature in cooling ▪ Additional zone = Zone with the highest design temperature in heating, and the lowest design temperature in cooling EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 38 ▪ For more information about connecting the electrical wiring to the unit, see: "8.2 Connections to the outdoor unit" [ 92] "8.3 Connections to the indoor unit" [ 99] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 39 OFF condition. No separation between ▪ #: [3.A] heating or cooling demand. ▪ Code: [C-06] Shut-off valve output Set to follow the thermo demand of the main zone. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 40: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 41 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 42 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 43: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 44 DHW tank during the day. If energy prices are lower during the night, we recommend to heat up the DHW tank during the night. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 45: Setup And Configuration - Dhw Tank
The DHW pump and the installation are field supply and the responsibility of the installer. For the electrical wiring, see "To connect the domestic hot water pump" [ 109]. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 46: 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 "9 Configuration" [ 116]. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 47: Dhw Pump For Tank Preheating
You can read out the energy data: For space heating For space cooling For domestic hot water production ▪ You can read out the energy data: Per month Per year EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 48: Produced Heat
Setup and configuration: To get accurate energy data, measure the capacity (resistance measurement) and set the capacity via the user interface for: The backup heater (step 1 and step 2) (if applicable) The booster heater EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 49: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 50: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 51: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 52: Permanent Power Limitation
"Power consumption control" [ 187]): Select continuous limitation mode Select the type of limitation (power in kW or current in A) Set the desired power limitation level EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 53: 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 54: Power Limitation Process
Consumed energy A Outdoor unit B Booster heater C Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Booster heater turned ON EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 55: Bbr16 Power Limitation
You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 56 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 57: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 58 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. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 59: 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 60: Installation Site Requirements Of The Indoor Unit
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 EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 61: 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 62: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 63: To Open The Indoor Unit
3 Switch box 4 User interface panel Open 1 Remove the front panel. 2 If you have to connect electrical wiring, remove the switch box cover. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 64 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 65: 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" [ 57] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 66: 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 "To remove the discharge grille, and put the grille in safety position" [ 70]. 4× M12 (mm) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 67: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 68: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 69: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 70: To Remove The Discharge Grille, And Put The Grille In Safety Position
69] ▪ "To remove the discharge grille, and put the grille in safety position" [ 70] 1 Remove the upper part of the discharge grille. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 71 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 72: 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. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 73 ▪ Remove the upper front panel, and open the switch box. See "To open the indoor unit" [ 63]. ▪ Fix the unit to the wall with an Ø8 mm screw. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 74: To Connect The Drain Hose To The Drain
1 Connect a drain tube (field supply) to the drain pan connector as follows: a Drain pan connector It is recommended to use a tundish to collect the water. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 75: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 76 Drainage – Pressure relief valve. Connect the drain hose properly to the drain to avoid water dripping out of the unit. See "To connect the drain hose to the drain" [ 74]. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 77: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 78: To Check The Water Volume And Flow Rate
"To protect the water circuit against freezing" [ 83]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. 200 220 A Pre-pressure (bar) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 79 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 80: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 81: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 82 3 Connect the space heating/cooling field piping on the space heating water OUT connection (b) of the indoor unit. a Water IN (screw connection, 1") b Space heating water OUT (screw connection, 1") EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 83: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 84 To prevent the system from freezing, more glycol is required. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 85 To install freeze protection valves To protect the field piping against freezing, install the following parts: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 86: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 87 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 88: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 89: Guidelines When Connecting The Electrical Wiring
Stranded conductor wire b Round crimp-style terminal ▪ Use the following methods for installing wires: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 90: About Electrical Compliance
E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ... EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 91: Overview Of Electrical Connections Except External Actuators
5 Normal kWh rate power supply (to power the indoor unit PCB in the event of power supply interruption of the preferential kWh rate power supply) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 92: Connections To The Outdoor Unit
(optional) Drain tube heater cable (field supply) d Cable sleeves (factory-mounted) 4 Inside the switch box, connect the wires to the appropriate terminals, and fix the cables with cable ties. See: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 93 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 94 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 95 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 96 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 97 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 98: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 99: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 100 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 101 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 102: To Connect The Main Power Supply
Maximum length: 200 m See below ("LAN adapter – System requirements"). LAN adapter – System requirements The requirements posed on the Daikin Altherma system depend on the LAN adapter application/system layout (app control, or Smart Grid application). App control: Item Requirement...
Page 103 Maximum length: 50 m. Preferential kWh rate power supply contact: 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 104 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 105: To Connect The Backup Heater Power Supply
Z less than or equal to Z EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 106 Connections to backup heater power supply *6V (6V: 1N~ 230 V) Q1DI 1N~, 50 Hz 230 V AC *6V (6T1: 3~ 230 V) Q1DI 3~, 50 Hz L1 L2 L3 230 V AC EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 107: To Connect The Shut-Off Valve (Heating/Cooling)
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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 108: To Connect The Electricity Meters
1 Front panel 2 Switch box cover 3 Switch box 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 109: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 110: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 111: To Connect The Space Cooling/Heating On/Off Output
2 Switch box cover 3 Switch box 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 112: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 113: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 114: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 115 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 116: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 117: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 118 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 119: Configuration Wizard
Booster heater capacity [9.4.1] (if applicable) Backup heater Voltage [9.3.2] "Backup heater" [ 178] 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 120: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 121: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 122 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 123 "To display the help text in case of a malfunction" [ 225] for more information. If the corresponding operation (for example: space heating) is not active, the circle is greyed out. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 124: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 125: Menu Screen
°C °C – – Tank Additional zone Explanation – Possible actions on this screen Go through the list of the submenu. Go to the submenu. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 126: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 127 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 128 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 129 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 130: Weather-Dependent Curve
EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 131: 2-Points Curve
See "Using weather-dependent curves" [ 133]. 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 132: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 133: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 134 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 135: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 136: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 137 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 138 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 139 Human Comfort Interface or the external room sensor cannot be installed at the ideal location. "5.7 Setting up an external temperature sensor" [ 55]). EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 140: Main Zone
▪ In Weather dependent LWT setpoint mode, the scheduled actions consist of desired shift actions, either preset or custom. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 141 131] and "Slope-offset curve" [ 132]. 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 142 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 143 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 144 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 145 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 146 35°C. In such case, the unit will realize a temperature difference of 5°C, which means that the entering water temperature is around 30°C. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 147 Moreover, with Modulation enabled, the desired leaving water temperature is lowered or raised in function of the desired room temperature and the difference between the actual and the desired room temperature. This results in: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 148 During thermo: If [F‑0B] is enabled, the shut off valve closes when there is no heating demand from the main zone. Enable this setting to: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 149: Additional Zone
[3.5] Heating WD curve [3.6] Cooling WD curve [3.7] Emitter type [3.8] Setpoint range [3.9] Control [3.A] Thermostat type [3.B] Delta T [3.C] WD curve type EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 150 [2.E] WD curve type. Also see "Main zone" [ 140]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 151 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 152 [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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 153 (X2M/35a) ▪ 2: 2 contacts. Connected to 2 digital inputs (X2M/34a and X2M/35a) Leaving water temperature: Delta T For more information, see "Main zone" [ 140]. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 154: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 155 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 156 (thus 24+1=25°C) and the desired heating temperature added by the offset value (thus 22+4=26°C). EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 157 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 158 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 159 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 160 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 161 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 162: Tank
Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "Room" [ 136]. 9.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 163 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. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 164 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. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 165 ▪ 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 EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 166 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. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 167 Code Description [5.A] [6-08] Reheat hysteresis ▪ 2°C~20°C EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 168 35°C~[6‑0E]°C Margin In domestic hot water operation, the following hysteresis value can be set for the heat pump operation: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 169 User setpoint temperature (as set on the user interface) t Time INFORMATION The maximum heat pump temperature depends on the ambient temperature. For more information, see the operation range. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 170: User Settings
Setting the starting date and ending date of your holiday. Activating the holiday mode. To check if holiday mode is activated and/or running is displayed on the home screen, holiday mode is active. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 171 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Activation. 2 Do one of the following: — EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 172 To set the electricity price 1 Go to [7.5.1]/[7.5.2]/[7.5.3]: User settings > Electricity price > High/Medium/Low. 2 Select the correct electricity price. 3 Confirm the changes. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 173 This is an example and the prices and/or values used in this example are NOT accurate. Data Price/kWh Gas price 4.08 Electricity price 12.49 Renewable heat incentive per kWh EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 174: Information
INFORMATION This does not reset the configuration settings and field settings of the indoor unit. Code Description [8.A] Reset the MMI EEPROM to factory default EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 175: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 176 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 177 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 178 [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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 179 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 180 ▪ Make sure that [8‑03] is always in relation with the maximum running time [8‑01]. Range: 20~95 minutes EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 181 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 182 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 183 [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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 184 [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 t Time Anti-recycle timer Maximum running time domestic hot water EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 185 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 186 (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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 187 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 188 55] 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 189 ▪ 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 190 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 191 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 192 2 Determine the value of [C‑03] using the graph: 2.5 (a) 10.5 (b) Example: a [C‑03]=2.5 in case of COP=3 and LWT=35°C b [C‑03]=10.5 in case of COP=3 and LWT=55°C EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 193 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 194 To enable the power saving function setting, [E‑08] needs to be enabled on the user interface. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 195 ▪ To export MMI settings 1 Open the front panel (1) and the user interface panel (2) (see — "To open the indoor unit" [ 63]): EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 196: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 197 [C.1] Room ▪ 0: Off ▪ 1: On [C.2] Space heating/cooling ▪ 0: Off ▪ 1: On [C.3] Tank ▪ 0: Off ▪ 1: On EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 198: Menu Structure: Overview User Settings
(*) Only applicable for reversible models, or heating only models + conversion kit (**) Only accessible by installer INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 199: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 200: 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 201: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 202: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 203: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 204: Operation Test Run
"To change — the user permission level" [ 117]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select a test from the list. Example: Heating. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 205: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 206: Underfloor Heating Screed Dryout
2 the desired leaving water temperature, up to 55°C. Example: 24h (1) 36h (2) 35°C (2) 25°C (1) T Desired leaving water temperature (15~55°C) t Duration (1~72 h) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 207 [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" [ 206]. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 208 When the program is stopped due to an error, an operation switch-off, or a power failure, you can read out the underfloor heating screed dryout status: 1 Go to [A.4.3]: Commissioning > UFH screed dryout > Status EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 209 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 210: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 211: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 212: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 213 "To install the water filter" [ 216] Water pressure relief valve Open the valve and check if it operates correctly. The water may be very hot! Checkpoints are: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 214: About Cleaning The Water Filter In Case Of Trouble
▪ "To remove the water filter" [ 215] ▪ "To clean the water filter in case of trouble" [ 215] ▪ "To install the water filter" [ 216] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 215: To Remove The Water Filter
Opening the magnetic filter/dirt separator is ONLY required in case of severe issues. Preferably this action is never to be done during the complete lifetime of the magnetic filter/dirt separator. EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 216: To Install The Water Filter
Check the condition of the O-rings and replace if needed. Apply water to the O-rings before installation. 1 Install the water filter in the correct location. a Clip b Magnetic filter/dirt separator EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 217 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 218: Troubleshooting
If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 219: Solving Problems Based On Symptoms
Make sure that the water volume in the too low installation is above the minimum required value (see "To check the water volume and flow rate" [ 78]). EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 220: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 221: Symptom: The Pump Is Blocked
Purge air manually (see "To perform a manual air purge" [ 203]) or use the automatic air purge function (see "To perform an automatic air purge" [ 204]). EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 222: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 223: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 224: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High
INFORMATION See the service manual for: ▪ The complete list of error codes ▪ A more detailed troubleshooting guideline for each error EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 225: To Display The Help Text In Case Of A Malfunction
Overheating mixed water circuit (thermostat) 8H-03 Overheating water circuit (thermostat) A1-00 Zero cross detection problem A5-00 OU: High pressure peak cut / freeze protection problem EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 226 Malfunction of compressor overload protection H6-00 OU: Malfunction of position detection sensor H8-00 OU: Malfunction of compressor input (CT) system H9-00 OU: Malfunction of outdoor air thermistor EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 227 Malfunction by reverse phase/open-phase U2-00 OU: Defect of power supply voltage U3-00 Underfloor heating screed dryout function not completed correctly U4-00 Indoor/outdoor unit communication problem EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 228 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 229 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 230: Disposal
See: ▪ "To install the discharge grille" [ 69] ▪ "To remove the discharge grille, and put the grille in safety position" [ 70] EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 231 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 232: Technical Data
Piping diagram: Outdoor unit..............................234 15.3 Piping diagram: Indoor unit..............................236 15.4 Wiring diagram: Outdoor unit ..............................237 15.5 Wiring diagram: Indoor unit ..............................242 EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 233: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 234: 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) Thermistors: EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 235 R4T Air heat exchanger, distributor R5T Air heat exchanger, middle R6T Refrigerant liquid R7T Compressor shell R8T Compressor port R9T Entering water R10T Leaving water Refrigerant flow: Heating Cooling EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 236: Piping Diagram: Indoor Unit
B1PW Space heating water pressure sensor R1T Thermistor (water IN) R2T Thermistor (backup heater – water OUT) S1L Flow switch Screw connection Flare connection Quick coupling Brazed connection EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 237: 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 238 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 239 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 240 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 241 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 242: Wiring Diagram: Indoor Unit
Main leaving water temperature On/OFF thermostat (wired) On/OFF thermostat (wired) On/OFF thermostat (wireless) On/OFF thermostat (wireless) Ext. thermistor External thermistor Heat pump convector Heat pump convector EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 243 * Humidity sensor R1T (A2P) * Ambient sensor On/OFF thermostat R2T (A2P) * External sensor (floor or ambient) * External indoor or outdoor ambient thermistor EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 244 Switch box (6) Field supplied options (6) Field supplied options 12 V DC pulse detection (voltage 12 V DC pulse detection (voltage supplied by PCB) supplied by PCB) EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 245 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/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 246 & add: X2M: 3-4 Only for Human Comfort Interface 2 core 2×0.75 X5M: 11-12 A14P: P1-P2 user interface communication 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D124706 EPRA14~18DAV3+W1 + ETBH/X16DF6V+9W Installer reference guide Daikin Altherma 3 H HT W 4P587501-1B – 2020.10...
Page 247: 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 248: Field Settings Table
1/11 Field settings table 95D1 [8.7.5] = ..Applicable indoor units ETBH16DA6V ETBH16DA9W ETBX16DA6V ETBX16DA9W ETBH16DF6V ETBH16DF9W ETBX16DF6V ETBX16DF9W ETVH16S18DA6V* ETVH16S23DA6V* ETVH16S18DA9W* ETVH16S23DA9W* ETVX16S18DA6V* ETVX16S23DA6V* ETVX16S18DA9W* ETVX16S23DA9W* Notes (*1) *6V (*2) *9W (*3) ETB* (*4) ETV* (*5) *X* (*6) *H* 4P586458-1A - 2020.10...
Page 249 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 250 3/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value Setpoint mode 0: Fixed 1: WD heating, fixed cooling 2: Weather dependent └─ Heating WD curve [0-00] Leaving water value for high ambient temp.
Page 251 4/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [6-0C] Reheat setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0D] Heat up mode 0: Reheat only 1: Reheat + sched. 2: Scheduled only └─...
Page 252 5/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.1.4.2 [4-0A] Configuration 0: 1 1: 1/1+2 (*1) (*2) 2: 1/2 3: 1/2 + 1/1+2 in emergency 9.1.4.3 [6-03] Capacity step 1...
Page 253 6/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.1.B.3 [6-0B] Eco setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C 9.1.B.4 [6-0C] Reheat setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C 9.1.B.5 [6-08]...
Page 254 7/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value 9.9.7 [5-08] Limit 4 0~50 A, step: 1 A 50 A 9.9.8 [5-09] Limit 0~20 kW, step: 0,5 kW 20 kW 9.9.9 [5-09]...
Page 255 8/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [1-00] Low ambient temp. for LWT main zone heating WD curve. -40~5°C, step: 1°C -15°C [1-01] High ambient temp. for LWT main zone heating WD curve. 10~25°C, step: 1°C 15°C [1-02]...
Page 256 9/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [3-09] What is the minimum desired room temperature in cooling? 15~25°C, step: 0,5°C 15°C [4-00] What is the BUH operation mode? 0: Disabled 1: Enabled 2: Only DHW...
Page 257 10/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [7-00] Domestic hot water booster heater overshoot temperature. 0~4°C, step: 1°C 0°C [7-01] Domestic hot water booster heater hysteresis. 2~40°C, step: 1°C 2°C [7-02]...
Page 258 11/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Official Value Default value [C-0C] [C-0D] [C-0E] [D-00] Which heaters are permitted if prefer. kWh rate PS is cut? 0: None 1: BSH only 2: BUH only 3: All heaters...
Page 260 4P587501-1B 2020.10 Verantwortung für Energie und Umwelt...

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