Page 1 Installer reference guide Daikin Altherma 3 H HT F https://daikintechnicaldatahub.eu EPRA14DAV3 ETVZ16S18EA6V EPRA16DAV3 ETVZ16S23EA6V EPRA18DAV3 ETVZ16S18EA9W ETVZ16S23EA9W EPRA14DAW1 EPRA16DAW1 EPRA18DAW1...
Page 2: Table Of Contents
Installation site requirements of the indoor unit ..................52 Opening and closing the units ............................53 7.2.1 About opening the units..........................53 7.2.2 To open the outdoor unit..........................54 Installer reference guide EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 3 To connect the PC cable to the switch box....................119 10.2 Configuration wizard............................... 119 10.3 Possible screens ................................121 10.3.1 Possible screens: Overview ..........................121 10.3.2 Home screen..............................122 10.3.3 Main menu screen............................124 EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 4 Solving problems based on error codes ......................... 232 14.4.1 To display the help text in case of a malfunction ..................232 14.4.2 Error codes: Overview ............................ 232 Installer reference guide EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 5 Wiring diagram: Outdoor unit ............................246 16.5 Wiring diagram: Indoor unit ............................251 16.6 ESP curve: Indoor unit..............................257 17 Glossary 18 Field settings table EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 6: 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 + ETVZ16S18+23EA6V+9W...
Page 7: Meaning Of Warnings And Symbols
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 8: Installer Reference Guide At A Glance
How to unpack the units and remove their accessories About the units and options ▪ How to identify the units ▪ Possible combinations of units and options EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 9 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 10: General Safety Precautions
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 11: Installation Site
Make sure the field piping and connections are NOT subjected to stress. WARNING During tests, NEVER pressurize the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 12 Only use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 13: Water
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 14 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 15 Running the product in reversed phase can break the compressor and other parts. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 16: Specific Installer Safety Instructions
(example: open flames, an operating gas appliance or an operating electric heater). WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. Mounting the outdoor unit (see "7.3 Mounting the outdoor unit" [...
Page 17 WARNING Ethylene glycol is toxic. "9 Electrical installation" [ 83]) Electrical installation (see DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 18 If the supply cord is damaged, it MUST be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. CAUTION Do NOT push or place redundant cable length in the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 19 To protect the piping connected to the magnetic filter/dirt separator from damage it is recommended to perform this procedure with the magnetic filter/dirt separator removed from the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 20 If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 21: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 22 After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "4.2.2 To unpack the outdoor unit" [ 23] ▪ "7.3.4 To install the outdoor unit" [ 59] ±150 4× EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 23: To Unpack The Outdoor Unit
About the box 4.2.2 To unpack the outdoor unit EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 24: To Remove The Accessories From The Outdoor Unit
Bring the packed unit as close as possible to its final installation position to prevent damage during transport. ▪ Unpack the indoor unit completely according to the instructions mentioned on the unpacking instructions sheet. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 25: To Unpack The Indoor Unit
Sealing tape for low voltage wiring intake 4.3.3 To handle the indoor unit Use the handles at the back and at the bottom to carry the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 26 Handles at the back of the unit b Handles at the bottom of the unit. Carefully tilt the unit to the back so that the handles become visible. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 27: About The Units And Options
Explanation European hydro-split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series Power supply EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 28: Identification Label: Indoor Unit
EKMST2 with rubber feet: to install the outdoor unit on foundations where drilling is not allowed or possible, such as flat roofs or pavements. For installation instructions, see the installation manual of the mounting stand. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 29: Possible Options For The Indoor Unit
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 30 For installation instructions, see the installation and operation manual of the Human Comfort Interface (HCI) as room thermostat, and the addendum book for optional equipment. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 31 The installation of the optional Smart grid relay kit is required in case of high voltage Smart grid contacts (EKRELSG). For installation instructions, see "9.3.11 To connect a Smart Grid" [ 110]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 32: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 33: Setting Up The Space Heating/Cooling System
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 34: Multiple Rooms - Two Lwt Zones
In cooling: 12°C In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 35 ▪ Other rooms external room thermostat functionality Number of water temperature zones: 1 (Dual zone): Main + additional ▪ #: [4.4] ▪ Code: [7-02] EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 36: Setting Up The Domestic Hot Water Tank
40°C. However, you can set the DHW tank temperature at a higher temperature (example: 53°C), which is then mixed with cold water (example: 15°C). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 37 ▪ If the DHW consumption differs from day to day, you can program a weekly schedule with different desired DHW tank temperatures for each day. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 38: 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 "9.3.5 To connect the domestic hot water pump" [ 103]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 39: Dhw Pump For Disinfection
When opening the tapping point, the water temperature can be up to 55°C. Configuration The indoor unit can control DHW pump operation. For more information, see "10 Configuration" [ 116]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 40: Setting Up The Energy Metering
You cannot combine calculating the consumed energy (example: for backup heater) and measuring the consumed energy (example: for outdoor unit). If you do so, the energy data will be invalid. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 41: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 42: Preferential Kwh Rate Power Supply
Power meter 2: Measures the rest (i.e. indoor unit and backup heater). Setup ▪ Connect power meter 1 to X5M/5 and X5M/6. ▪ Connect power meter 2 to X5M/3 and X5M/4. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 43: 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) via 4 digital inputs. ▪ Limitation of power in kW or current in A. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 44: Permanent Power Limitation
Set the desired power limitation level 6.5.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 45 Application guidelines The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪ Current (in A) ▪...
Page 46: Power Limitation Process
(BBR16 activation and BBR16 power limit). After 2 weeks, the unit freezes these settings. Note: This is different from the permanent power limitation, which is always changeable. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 47: Setting Up An External Temperature Sensor
Setup: For installation instructions, see the installation manual of the remote indoor sensor, and the addendum book for optional equipment. ▪ Configuration: Select room sensor [9.B]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 48 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 49: Unit Installation
(e.g. grinding works) where a lot of dust is created, the unit must be covered. 7.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the precautions and requirements in the "2 General safety precautions" [ 10]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 50 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 51 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 –...
Page 52: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
Cooling is only applicable in case a conversion kit (EKHVCONV*) is installed. ▪ Mind the measurement guidelines: Maximum height difference between indoor unit and outdoor 10 m unit Maximum total water piping length 50 m EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 53: 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 54: To Open The Outdoor Unit
3 Remove the transportation stays (2×), and dispose of them. 7.2.4 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 55: To Open The Indoor Unit
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 56 ▪ When you need access to the high voltage switch box 2× 5 If you need access to the high voltage components, remove the high voltage switch box cover. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 57: To Lower The Switch Box On The Indoor Unit
2 Tilt the switch box to the front and lift it out of its hinges. 2× 3 Place the switch box lower on the unit. Use the 2 hinges located lower on the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 58: To Close The Indoor Unit
Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise. Fix the unit securely by means of foundation bolts in accordance with the foundation drawing. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 59: To Install The Outdoor Unit
Make sure not to cover the drain hole in the bottom plate of the unit. 7.3.4 To install the outdoor unit 1 Carry the unit by its slings, and put it onto the installation structure. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 60: To Provide Drainage
Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation. ▪ Prepare a water drainage channel around the foundation to drain waste water away from the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 61 O-ring (delivered as accessory) c Drain plug (delivered as accessory) d Hose (field supply) NOTICE O-ring. Make sure the O-ring is installed correctly to prevent leakage. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 62: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 63: To Remove The Discharge Grille, And Put The Grille In Safety Position
62] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [ 63] 1 Remove the upper part of the discharge grille. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 64 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 65: Mounting The Indoor Unit
3 Slide the indoor unit into position. 4 Adjust the height of the leveling feet to compensate for floor irregularities. The maximum allowed deviation is 1°. ≤1° EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 66: To Connect The Drain Hose To The Drain
4 Reattach the side panel. Ensure the water can flow through the drain tube. It is recommended to use a tundish to collect the water. Option 1: Through the left side panel 3× EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 67 Unit installation Option 2: Through the right side panel 3× EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 68: Piping Installation
Because brass is a soft material, use appropriate tooling for connecting the water circuit. Inappropriate tooling will cause damage to the pipes. ▪ Insulation. Insulate up to the base of the heat exchanger. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 69 The following illustration is an example and might NOT match your system layout. 89°C (*) 75°C (*) 75°C (*) (*) Maximum temperature for piping and accessories EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 70: Formula To Calculate The Expansion Vessel Pre-Pressure
Recirculation pump 8.1.2 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 71: To Check The Water Volume And Flow Rate
For more information on the addition of glycol, refer to "8.2.6 To protect the water circuit against freezing" [ 78]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 72 This minimum flow rate is required during defrost/backup heater operation. For this purpose, use the overpressure bypass valve delivered with the unit. Minimum required flow rate 25 l/min EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 73: Changing The Pre-Pressure Of The Expansion Vessel
Changing the pre-pressure of the expansion vessel should be done by releasing or increasing nitrogen pressure through the Schrader valve of the expansion vessel. a Schrader valve EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 74: To Check The Water Volume: Examples
8.2.2 Precautions when connecting the water piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 10] ▪ "8.1 Preparing water piping" [ 68] EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 75: To Connect The Water Piping
4 Connect the space heating/cooling field piping of both zones to the shut-off valves. 5 Connect the domestic hot water in and out pipes to the indoor unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 76 Mind the minimum flow rate when adjusting the overpressure bypass valve setting. See "8.1.3 To check the water volume and flow rate" [ 71] and "11.4.1 Minimum flow rate" [ 207]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 77: To Connect The Recirculation Piping
2 Cut out the rubber grommet on top of the unit, and remove the stop. The recirculation connector is placed below the hole. 3 Route the recirculation piping through the grommet and connect it to the recirculation connector. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 78: To Fill The Water Circuit
Glycol leaking out of the freeze protection valves. Freeze protection by glycol About freeze protection by glycol Adding glycol to the water lowers the freezing point of water. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 79 Add glycol according to the table below. Lowest expected outdoor Prevent from bursting Prevent from freezing temperature –5°C –10°C –15°C –20°C — –25°C — –30°C — EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 80 To protect the field piping against freezing, install the following parts: a Automatic air intake b Freeze protection valve (optional – field supply) c Normally closed valves (recommended – field supply) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 81: To Fill The Domestic Hot Water Tank
For piping in free air, it is recommended to use the insulation thickness as shown in below table as a minimum (with λ=0.039 W/mK). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 82 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 83: Electrical Installation
DANGER: RISK OF ELECTROCUTION WARNING ALWAYS use multicore cable for power supply cables. INFORMATION Also read the precautions and requirements in the "2 General safety precautions" [ 10]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 84: Guidelines When Connecting The Electrical Wiring
Stranded conductor wire b Round crimp-style terminal ▪ Use the following methods for installing wires: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 85: About Electrical Compliance
Equipment complying with EN/IEC 61000‑3‑12 (European/International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase.). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 86: About Preferential Kwh Rate Power Supply
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 87: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 88 ▪ 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 89 ▪ 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 90 ▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Wires: 3N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 91 ▪ 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 92 ▪ 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 93: To Reposition The Air Thermistor On The Outdoor Unit
9.2.2 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 94: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 95 ▪ 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 96 You need to connect the multi-zoning base unit to the outdoor unit For cooling/heating operation, you also need to implement a relay (field supply, see addendum book for optional equipment) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 97: To Connect The Main Power Supply
16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [9.8] Benefit kWh power supply Connect X11Y to X11YB. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 98: To Connect The Backup Heater Power Supply
9.3.2 To connect the backup heater power supply Backup heater type Power supply Wires 1N~ 230 V (6V) 2+GND 3~ 230 V (6T1) 3+GND 3N~ 400 V 4+GND [9.3] Backup heater EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 99 Connect the backup heater power supply as follows: Q1DI a Factory-mounted cable connected to the contactor of the backup heater, inside the switch box (K5M) b Field wiring (see table below) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 100 C. K5M Safety contactor (in the lower switch box) Q1DI Earth leakage circuit breaker (field supply) SWB Switch box X6M Terminal (field supply) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 101: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 102: To Connect The Electricity Meters
2 User interface panel 3 Upper switch box cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 103: To Connect The Domestic Hot Water Pump
3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. M M2P EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 104: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 105: To Connect The Space Cooling/Heating On/Off Output
Wires connected to the space cooling/heating ON/OFF output Wire between X2M and A4P Installation of EKRP1HBAA is required. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 106: To Connect The Changeover To External Heat Source
2 User interface panel 3 Upper switch box cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 107: To Connect The Power Consumption Digital Inputs
2 User interface panel 3 Upper switch box cover 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 108: To Connect The Safety Thermostat (Normally Closed Contact)
3 Upper switch box cover Main zone Wires: 2×0.75 mm² — 2 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 109 4 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. Note: The jumper wire (factory-mounted) must be removed from the respective terminals. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 110: To Connect A Smart Grid
Smart Grid relay kit (EKRELSG). The 2 incoming Smart Grid contacts can activate the following Smart Grid modes: Smart Grid contact Smart Grid operation mode Free running EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 111 1 Open the following (see "7.2.5 To open the indoor unit" [ 55]): 1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the wiring as follows: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 112 Contact sides of relays e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace the jumper with the safety thermostat wires. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 113 1 2 3 4 X10M 5 6 9 10 2 Connect the low voltage wiring as follows: X5M.4 X5M.3 1314 3 Connect the high voltage wiring as follows: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 114: To Connect The Wlan Cartridge (Delivered As Accessory)
9.4 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box, seal the low voltage wiring intake using the sealing tape (delivered as accessory). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 115 Electrical installation Without low voltage cables With low voltage cables EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 116: Configuration
First time – Configuration wizard. When you turn ON the user interface for the first time (via the unit), the configuration wizard starts to help you configure the system. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 119: To Connect The Pc Cable To The Switch Box
This way you can set the most important initial settings. This way the unit will be able to run properly. Afterwards, more detailed settings can be done via the menu structure if required. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 120 Setpoint mode [2.4] Heating WD curve [2.5] (if applicable) Cooling WD curve [2.6] (if applicable) Schedule [2.1] WD curve type [2.E] Additional zone (only if [4.4]=1) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 121: Possible Screens
Hysteresis [5.9] and [5.A] 10.3 Possible screens 10.3.1 Possible screens: Overview The most common screens are as follows: – a Home screen b Main menu screen EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 122: Home Screen
Smart energy is available via solar panels or smart grid. Smart energy is currently being used for space heating. Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 123 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Measured room temperature Leaving water temperature setpoint Holiday mode Holiday mode active EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 124: Main Menu Screen
Enable/disable breadcrumbs. Submenu Description Malfunctioning Restriction: Only displayed if a malfunction occurs. "14.4.1 To display the help text in case of malfunction" [ 232] for more information. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 125: Menu Screen
Restriction: Only displayed if a wireless LAN (WLAN) is installed. Contains settings needed when configuring the Daikin Residential Controller app. 10.3.4 Menu screen Example: Language Time/date Holiday EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 126: Setpoint Screen
Measured by the unit Desired temperature Turn the right dial to increase/ decrease. Submenu Turn or press the left dial to go to the submenu. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 127: Detailed Screen With Values
5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. To go to the schedule 1 Go to [1.1]: Room > Schedule. 2 Set scheduling to Yes. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 128 Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. User defined 1 2 Select Edit. Delete Edit Copy EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 129 1 Select Monday. User defined 1 2 Select Copy. Delete Edit Copy Result: Next to the copied day, "C" is displayed. 3 Select Tuesday. User defined 1 EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 130 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 131: Weather-Dependent Curve
EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 132: 2-Points Curve
See "10.4.4 Using weather-dependent curves" [ 134]. 10.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 133: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 134: Using Weather-Dependent Curves
10.4.4 Using weather-dependent curves Configure weather-dependent curves as following: To define the setpoint mode To use the weather-dependent curve, you need to define the correct setpoint mode: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 135 You cannot configure the curve with temperatures that are higher or lower than the set maximum and minimum setpoints for that zone or for the tank. When the maximum or minimum setpoint is reached, the curve flattens out. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 136: Settings Menu
To display the error code, open the menu screen and go to [0] Malfunctioning. Press more information about the error. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 137: Room
Example" [ 127]. Cooling schedule Only applicable for reversible models. Define a cooling schedule of the room temperature in [1.3] Cooling schedule. "10.3.7 Schedule screen: Example" [ 127]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 138 Under leaving water temperature control, room frost protection is NOT guaranteed. However, if room antifrost [2‑06] is activated, limited frost protection by the unit is possible: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 139 ▪ Outdoor ambient temperature drops below 6°C ▪ the temperature setpoint of the leaving water will be lowered. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 140 When adjusting the room temperature ranges, all desired room temperatures are also adjusted to guarantee they are between the limits. Code Description [1.5.1] [3-07] Heating minimum [1.5.2] [3-06] Heating maximum [1.5.3] [3-09] Cooling minimum EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 141: Main Zone
[9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 10.5.3 Main zone Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 142 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.3.7 Schedule screen: Example" [ 127]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.3.7 Schedule screen: Example" [ 127]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 143 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 144 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 145 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 146 Example underfloor heating: 40–5/2=37.5°C To compensate, you can: ▪ Increase the weather-dependent curve desired temperatures [2.5]. ▪ Enable leaving water temperature modulation and increase the maximum modulation [2.C]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 147 [2.8.1] [9-01] Heating minimum: ▪ 15°C~37°C [2.8.2] [9-00] Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~70°C ▪ Else: 37°C~55°C EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 148 ▪ [C‑07]=1 (External room thermostat) a User interface at indoor unit b External room thermostat at main zone c External room thermostat at additional zone EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 149 In heating, the target delta T will only be achieved after some operation time, when the setpoint is being reached, because of the big difference between leaving water temperature setpoint and inlet temperature at startup. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 150 [8‑05] Modulation: ▪ 0 No (disabled) ▪ 1 Yes (enabled) Note: The desired leaving water temperature can only be read out on the user interface. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 151 The shut off valve: ▪ 0 No: is NOT influenced by heating or cooling demand. ▪ 1 Yes: closes when there is NO heating or cooling demand. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 152: Additional Zone
[3.B] Delta T [3.C] WD curve type Setpoint screen Control the leaving water temperature for the additional zone via setpoint screen [3] Additional zone. "10.3.5 Setpoint screen" [ 126]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 153 Setpoint mode: ▪ Fixed ▪ WD heating, fixed cooling ▪ Weather dependent Heating WD curve Set weather-dependent heating for the additional zone (if [3.4]=1 or 2): EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 154 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 155 [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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 156 (X2M/35a) ▪ 2: 2 contacts. Connected to 2 digital inputs (X2M/34a and X2M/35a) Leaving water temperature: Delta T For more information, see "10.5.3 Main zone" [ 141]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 157: Space Heating/Cooling
[4.9] Pump outside range [4.A] Increase around 0°C [4.B] Overshoot [4.C] Antifrost To set the space operation mode 1 Go to [4.1]: Space heating/cooling > Operation mode EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 158 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 159 The space operation only changes from heating to cooling when the room temperature rises above the desired cooling temperature added by the hysteresis value. ▪ Range: 1°C~10°C EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 160 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 161 ON or OFF condition. Remark: Continuous pump operation requires more energy than sample or request pump operation. a Space heating/cooling control b Off c On d Pump operation EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 162 In this part of the menu it can be read out which type of unit is used: Code Description [4.6] [E‑02] Unit type: ▪ 0 Reversible ▪ 1 Heating only EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 163 ▪ 8: 60% pump speed during sampling The maximum values depend on the unit type: [9-0D]/[9-0E]=0 [9-0D]/[9-0E]=1/5 a (kPa) a (kPa) b (l/min) b (l/min) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 164 0°C.This compensation can be selected when using an absolute or a weather dependent desired temperature (see illustration below). 0°C 0°C a Absolute desired LWT b Weather dependent desired LWT EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 165: Tank
Antifrost [1.4] or [4.C] prevents the room from getting too cold. For more information about room frost protection, see "10.5.2 Room" [ 137]. 10.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 166 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 167 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 168 ▪ 4: Thursday ▪ 5: Friday ▪ 6: Saturday ▪ 7: Sunday [5.7.3] [2‑02] Start time [5.7.4] [2‑03] Tank setpoint: 60°C [5.7.5] [2‑04] Duration: 40~60 minutes EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 169 The maximum temperature that users can select for the domestic hot water. You can use this setting to limit the temperatures at the hot water taps. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 170 EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 171 Description [5.D] [6-01] The temperature difference determining the heat pump OFF temperature. Range: 0°C~10°C Example: setpoint (T )>maximum heat pump temperature–[6‑01] (T –[6‑01]) HP MAX EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 172 In [2.E] WD curve type, you can choose which method you want to use. In [5.E] WD curve type, the chosen method is shown read-only (same value as in [2.E]). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 173: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 174 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Activation. 2 Do one of the following: — EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 175 Price value ranging from 0.00~990 valuta/kWh (with 2 significant values). 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. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 176 Example 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 EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 177: Information
Reset the configuration settings stored in the MMI (user interface of the indoor unit). Example: Energy meterings, holiday settings. INFORMATION This does not reset the configuration settings and field settings of the indoor unit. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 178: Installer Settings
LAN adapter. [8.9] Running hours Running hours of specific system components 10.5.9 Installer settings Overview The following items are listed in the submenu: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 179 • [E-05]: Can the system prepare domestic hot water? • [E-06]: Is a domestic hot water tank installed in the system? • [E-07]: What kind of domestic hot water tank is installed? EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 180 ▪ For a 6V model, this can be set to: 230V, 1ph 230V, 3ph ▪ For a 9W model, this is fixed to 400V, 3ph. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 181 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 182 To manually recover it via the user interface, go to the Malfunctioning main menu screen and confirm whether the backup heater can take over the heat load or not. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 183 This is important in case glycol is used to protect the water circuit against freezing. If NOT set correctly, the liquid in the piping can freeze. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 184 Range: 0°C~20°C Timers For simultaneous space and domestic hot water operation request. [8-02]: Anti-recycle timer EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 185 This preset value is always taken into account. Range: 5~95 minutes Remark: It is NOT allowed to set [8‑01] to a value below 10 minutes. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 186 (via X2M/5‑6) and the backup heater is NOT connected to the preferential kWh rate power supply. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 187 See also below table (Smart Grid operation modes). [9.8.6] Restriction: Only applicable if [9.8.4]=Smart grid. To set if electrical heaters are allowed. Allow electrical heaters: ▪ ▪ EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 188 "9.3.11 To connect a Smart Grid" [ 110]) can activate the following Smart Grid modes: Smart Grid contact [9.8.5] Smart grid operation mode Free running Forced off EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 189 Power consumption control Power consumption control "6 Application guidelines" [ 32] for detailed information about this functionality. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 190 Limits when [9.9.1]=Inputs and [9.9.2]=kW: Code Description [9.9.9] [5-09] Limit 1: 0 kW~20 kW [9.9.A] [5-0A] Limit 2: 0 kW~20 kW [9.9.B] [5-0B] Limit 3: 0 kW~20 kW [9.9.C] [5-0C] Limit 4: 0 kW~20 kW EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 191 (BBR16 activation and BBR16 power limit). After 2 weeks, the unit freezes these settings. Note: This is different from the permanent power limitation, which is always changeable. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 192 5 1000/kWh: Installed In case of pulse meter for photovoltaic panels: ▪ 6 100/kWh for PV panel: Installed ▪ 7 1000/kWh for PV panel: Installed EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 194 Bivalent ON temperature (variable). Below this temperature, the auxiliary boiler will calc always be ON. T can never go below [C‑03] or above [C‑03]+[C‑04]. calc EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 195 Make sure to use the same units of measurement for the electricity price and gas price (example: both c€/kWh). 2 Determine the value of [C‑03] using the graph. For an example, see the table legend. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 196 Depending on the used boiler, this should be chosen as follows: Code Description [9.C.2] [7‑05] ▪ 0: Very high ▪ 1: High ▪ 2: Medium ▪ 3: Low ▪ 4: Very low EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 197 The final decision to allow power interruption of the outdoor unit during standstill depends on the ambient temperature, compressor conditions and minimum internal timers. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 198 [9.I]. See "To modify an overview setting" [ 118]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 199: Commissioning
[A.3] Air purge [A.4] UFH screed dryout About commissioning See: "11 Commissioning" [ 205] 10.5.11 User profile [B] User profile: See "To change the user permission level" [ 117]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 200: Operation
[D.4] Device info About the WLAN cartridge The WLAN cartridge connects the system to the internet. The user you can then control the system via the Daikin Residential Controller app. This needs the following components: EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 –...
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: Mode: Turn AP mode ON (= WLAN adapter active as access point) or OFF.
Page 202 Connected to [WLAN_SSID] Cloud connection: Read out the status of the connection to the cloud. Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 203: Menu Structure: Overview User Settings
(**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 204: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 205: Commissioning
11 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during the commissioning and hand-over to the user.
Page 206: 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. The correct pipe size is installed and the pipes are properly insulated. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 207: Checklist During Commissioning
To check the minimum flow rate: main zone (recommended) INFORMATION The pump of the additional zone ensures that the minimum flow rate for correct operation of the unit is guaranteed. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 208: Air Purge Function
Purging the air from the system should consist of: Performing a manual air purge for both zones Performing an automatic air purge for both zones EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 209 Indoor unit c Backup heater d Domestic hot water tank M1S 3-way valve (mixing valve for the main/mixed zone) M3S 3-way valve (space heating/domestic hot water) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 210 3 In the menu, set Type = Automatic. 4 Select Start air purge. 5 Select OK to confirm. Result: The air purge starts. It stops automatically when done. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 211: Operation Test Run
(heating/cooling mode) and tank temperature (domestic hot water mode). To monitor the temperatures: 1 In the menu, go to Sensors. 2 Select the temperature information. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 212: Actuator Test Run
The underfloor heating (UFH) screed dryout function is used for drying out the screed of an underfloor heating system during the construction of the building. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 213 Scroll through the schedule. ▪ Adjust the duration (between 1 and 72 hours) and temperatures (between 15°C and 55°C). 4 Press the left dial to save the schedule. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 214 2 Select OK to confirm. To read out the status of an underfloor heating screed dryout Conditions: You are performing an underfloor heating screed dryout. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 215 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 216: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 217: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 218: Yearly Maintenance
13.3.4 Yearly maintenance indoor unit: instructions Water pressure Keep water pressure above 1 bar. If it is lower, add water. Water filters Clean the water filters. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 219 5 Close the drain valve. 6 Screw the drain cap back on. 7 Reattach the magnetic sleeve. 8 Check the pressure of the water circuit. If required, add water. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 220 Flush and clean the complete tank, including the piping between the relief valve and cold water inlet. To make sure this water originates from the tank, check after a tank heat up cycle. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 221: To Drain The Domestic Hot Water Tank
3 Remove the stop from the access point to the tank. 4 Use a drain hose and a pump to drain the tank via the access point. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 222: About Cleaning The Water Filter In Case Of Trouble
13.5.2 To clean the water filter in case of trouble 1 Remove the water filter from the unit. See "13.5.1 To remove the water filter" [ 222]. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 223 Correctly install the strainer in the magnetic filter/dirt separator housing using the protrusions. a Rolled‑up filter b Strainer c Protrusion 5 Install and properly tighten the bottom of the water filter housing. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 224: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 225: Troubleshooting
If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 226: Solving Problems Based On Symptoms
Make sure that the water volume in the too low installation is above the minimum required value (see "8.1.3 To check the water volume and flow rate" [ 71]). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 227: Symptom: Hot Water Does Not Reach The Desired Temperature
Perform hydraulic balancing to assure that the flow is correctly distributed between the emitters. hydraulic balancing sufficient, change pump limitation settings ([9-0D] and [9-0E] if applicable). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 228: Symptom: The Pump Is Blocked
If you cannot deblock the rotor of the pump with this method, you will need to disassemble the pump and turn the rotor by hand. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 229: Symptom: The Pump Is Making Noise (Cavitation)
Check the installation requirements. Possible causes Corrective action The valve (if equipped) of the water Open the valve. circuit towards the expansion vessel is closed. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 230: Symptom: The Water Pressure Relief Valve Leaks
Go to: [9.3.7]: Installer settings > Backup heater > Equilibrium temperature [5‑01] EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 231: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High
Schedule only is selected, it is recommended to program a Eco action 3 hours before the scheduled start-up of the disinfection function to preheat the tank. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 232: Solving Problems Based On Error Codes
7H-05 Water flow problem during heating/sampling 7H-06 Water flow problem during cooling/defrost 80-01 Returning water temperature sensor problem 81-00 Leaving water temperature sensor problem EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 233 Leakage current detection error E3-00 OU: Actuation of high pressure switch (HPS) E3-24 High pressure switch abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 234 Sensor communication error J8-00 Malfunction of refrigerant liquid thermistor JA-00 OU: Malfunction of high pressure sensor JC-00 Low pressure sensor abnormality JC-01 Evaporator pressure abnormality EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 235 Indoor unit, outdoor unit matching problem UA-16 Extension/hydro communication problem UA-17 Tank type problem UA-21 Extension/hydro mismatch problem UF-00 Reversed piping or bad communication wiring detection EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 236 If the software is not successfully updated then you must make sure that your USB device has the FAT32 format. INFORMATION The user interface will display how to reset an error code. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 237: Disposal
63] 1 Make sure the unit is not running. 2 Activate the recovery mode (see "15.1.2 Recovery mode" [ 239]). Result: The unit opens the valves (Y*). EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 238: To Manually Open The Electronic Expansion Valves
3 Turn the EEV magnet anticlockwise to the fully open position of the valve. If you are not sure about what the open position is, turn the valve in its middle position so that refrigerant can pass. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 239: Recovery Mode
Press BS3 once. Press BS2 once. Press BS3 once. Press BS3 once. The flashing H1P indicates the recovery mode has been correctly selected and is activated. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 240 / solenoid valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 241: Technical Data
Technical data 16 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 16.1...
Page 242: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 243: Piping Diagram: Outdoor Unit
Y3E Electronic expansion valve (injection) Y1S Solenoid valve (4-way valve) Y2S Solenoid valve (low pressure bypass) Y3S Solenoid valve (hot gas bypass) Y4S Solenoid valve (liquid injection) EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 244: Piping Diagram: Indoor Unit
Magnetic filter/dirt separator i Safety valve j Air purge k Drain valve l Pump (additional/direct zone) m Check valve n Capillary tube o Backup heater EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 245 Technical data p Water filter (main/mixed zone) q Loose nut 1" EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 246: 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 247 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 248 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 249 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 250 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 251: Wiring Diagram: Indoor Unit
Demand PCB Demand PCB Safety thermostat Safety thermostat Smart Grid Smart grid WLAN module WLAN module WLAN cartridge WLAN cartridge Main LWT Main leaving water temperature EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 252 Contactor backup heater Safety contactor backup heater Relay 3-way valve bypass Relay 3-way valve flow K*R (A1P-A4P) Relay on PCB # Domestic hot water pump EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 253 Preferential kWh rate power supply Preferential kWh rate power supply contact: 16 V DC detection (voltage contact: 16 V DC detection (voltage supplied by PCB) supplied by PCB) Switch box EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 254 Smart Grid photovoltaic power pulse meter Switch box (7) Option PCBs (7) Option PCBs Alarm output Alarm output Changeover to ext. heat source Changeover to external heat source EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 255 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 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 256 A3P: X11M: 3-4-5-6 signal main & add: X2M: 3-4 Only for Human Comfort Interface 2 core 2×0.75 X5M: 11-12 A14P: P1-P2 user interface communication 4D133216A EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 257: Esp Curve: Indoor Unit
See also the minimum and maximum allowed water flow range in the technical specifications. ▪ Water quality must be according to EU directive 98/83 EC. EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P644739-1 – 2021.02...
Page 258: 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 259: Field Settings Table
1/12 0F41 Field settings table [8.7.5] = ..Applicable indoor units ETVZ16S18EA6V ETVZ16S23EA6V ETVZ16S18EA9W ETVZ16S23EA9W Notes (*1) *6V (*2) *9W (*3) + EKHVCONV4 4P644735-1 - 2021.02...
Page 260 2/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 8°C └─...
Page 261 3/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Shut off valve 2.D.1 [F-0B] During thermo 0: No 1: Yes 2.D.2 [F-0C] During cooling 0: No 1: Yes(*3) Main zone WD curve type...
Page 262 4/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-04] Overshoot 1~4°C, step: 1°C 1°C [2-06] Antifrost 0: Disabled 1: Enabled Tank [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C [6-0B] Eco setpoint...
Page 263 5/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date 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 1: Fancoil unit...
Page 264 6/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Back up heater 9.3.1 [E-03] BUH type 3: 6V (*1) 4: 9W (*2) 9.3.2 [5-0D] Voltage R/W (*1) 0: 230V, 1~ (*1) R/O (*2) 1: 230V, 3~ (*1)
Page 265 7/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.9.D [4-01] Priority heater 0: None 1: BSH 2: BUH 9.9.F [7-07] BBR16 activation (#) 0: Disabled 1: Enabled └─...
Page 266 8/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-04] Weather dependent cooling of the main leaving water temperature zone. 0: Disabled 1: Enabled [1-05] Weather dependent cooling of the additional leaving water temperature zone 0: Disabled 1: Enabled [1-06]...
Page 267 9/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-06] Emergency 0: Manual 1: Automatic 2: Auto red SH/ DHW ON 3: Auto red SH/ DHW OFF 4: Auto normal SH/ DHW OFF [4-07] [4-08]...
Page 268 10/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [7-0C] [8-00] Minimum running time for domestic hot water operation. 0~20 min, step 1 min 1 min [8-01] Maximum running time for domestic hot water operation.
Page 269 11/12 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [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 [D-01]...
Page 270 12/12...
Page 272 4P644739-1 2021.02 Verantwortung für Energie und Umwelt...

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