Page 1 Installer reference guide Daikin Altherma 3 H HT F https://daikintechnicaldatahub.eu EPRA14DAV3 ETVZ16S18DA6V EPRA16DAV3 ETVZ16S23DA6V EPRA18DAV3 ETVZ16S18DA9W ETVZ16S23DA9W EPRA14DAW1 EPRA16DAW1 EPRA18DAW1...
Page 2: Table Of Contents
Installation site requirements of the indoor unit ..................47 Opening and closing the units ............................48 6.2.1 About opening the units..........................48 6.2.2 To open the outdoor unit..........................48 Installer reference guide EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 3 Possible screens: Overview ..........................111 9.3.2 Home screen..............................112 9.3.3 Main menu screen............................115 9.3.4 Menu screen..............................116 9.3.5 Setpoint screen............................... 116 9.3.6 Detailed screen with values ........................... 117 EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 4 To display the help text in case of a malfunction ..................215 13.4.2 Error codes: Overview ............................ 216 14 Disposal 14.1 To recover refrigerant..............................220 Installer reference guide EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 5 Piping diagram: Indoor unit ............................225 15.4 Wiring diagram: Outdoor unit ............................227 15.5 Wiring diagram: Indoor unit ............................232 16 Glossary 17 Field settings table EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 6: General Safety Precautions
Indicates a situation that could result in death or serious injury. WARNING: FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 7: For The Installer
Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. Only use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
Page 8: Installation Site
▪ In places where there is a risk of fire due to the leakage of flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 9: Refrigerant
Use a vacuum pump to evacuate the installation. NOTICE After all the piping has been connected, make sure there is no gas leak. Use nitrogen to perform a gas leak detection. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 10: Brine
If applicable. See the installation manual or installer reference guide of your application for more information. WARNING The selection of the brine MUST be in accordance with the applicable legislation. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 11: Water
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 12 Install power cables at least 1 m away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 m may not be sufficient. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 13 Running the product in reversed phase can break the compressor and other parts. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 14: About The Documentation
Format: Paper (in the box of the indoor unit) + Digital files on http:// www.daikineurope.com/support-and-manuals/product-information/ Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. The original documentation is written in English. All other languages are translations. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W...
Page 15: Installer Reference Guide At A Glance
About the documentation Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
Page 16 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 17: About The Box
To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. Crane Keep the slings within the marked area to not damage the unit. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 18 After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "3.2.2 To unpack the outdoor unit" [ 19] ▪ "6.3.4 To install the outdoor unit" [ 54] ±150 4× EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 19: To Unpack The Outdoor Unit
About the box 3.2.2 To unpack the outdoor unit a, b Accessories EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 20: To Remove The Accessories From The Outdoor Unit
Installation manual – Discharge grille NOTICE Unpacking – Front corners. When you remove the front packaging corners, hold the box containing the discharge grille to prevent it from falling. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 21: Indoor Unit
Handles at the back of the unit Handles at the bottom of the unit. Carefully tilt the unit to the back so that the handles become visible. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 22: About The Units And Options
Location Model identification Example: EP R A 14 DA V3 Code Explanation European hydro-split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 23: Identification Label: Indoor Unit
Use one of the following models: ▪ EKMST1 with flange feet: to install the outdoor unit on a concrete foundation where drilling is allowed. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 24: Possible Options For The Indoor Unit
As an option the remote indoor sensor can be installed to measure the room temperature on another location. For installation instructions, see the installation manual of the remote indoor sensor and addendum book for optional equipment. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 25 You can install this LAN adapter to control the system via a smartphone app. For installation instructions, see the installation manual of the LAN adapter and the addendum book for optional equipment. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 26 For installation instructions, see the installation and operation manual of the Human Comfort Interface (HCI) as room thermostat. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 28: Setting Up The Space Heating/Cooling System
Emergency [9.5] to Automatic. NOTICE An overpressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 29: Multiple Rooms - Two Lwt Zones
In heating: 35°C ▪ In cooling: 20°C (only refreshment, no real cooling allowed) Bed rooms (additional zone) Heat pump convectors: ▪ In heating: 45°C ▪ In cooling: 12°C EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 30 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 31: Setting Up The Domestic Hot Water Tank
Selecting the volume and desired temperature for the DHW tank consists of: Determining the DHW consumption (equivalent hot water volume at 40°C). Determining the volume and desired temperature for the DHW tank. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 32 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 33: 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 "8.3.5 To connect the domestic hot water pump" [ 98]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 34: Dhw Pump For Disinfection
"9 Configuration" [ 107]. 5.4 Setting up the energy metering ▪ Via the user interface, you can read out the following energy data: Produced heat Consumed energy EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 35: Produced Heat
(resistance measurement) and set the capacity via the user interface for the backup heater (step 1). Measuring the consumed energy ▪ Preferred method because of higher accuracy. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 36: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 37: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 38: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 39: Permanent Power Limitation
Space heating and DHW production by allowing the backup heater step 1. 5.5.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 40 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 41: Power Limitation Process
(Swedish energy regulations). You can combine the BBR16 power limitation with the other power consumption controls. If you do so, the unit uses the most restrictive control. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 42: Setting Up An External Temperature Sensor
If this is NOT possible, we recommend to connect a remote outdoor sensor (option EKRSCA1). ▪ Setup: For installation instructions, see the installation manual of the remote outdoor sensor, and the addendum book for optional equipment. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 43 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 44: Unit Installation
(example: open flames, an operating gas appliance or an operating electric heater). 6.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the precautions and requirements in the "General safety precautions" chapter. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 45 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 46 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. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W...
Page 47: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
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 48: Opening And Closing The Units
DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed. 6.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 49: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 50: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 51 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 52: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 53: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 54: To Install The Outdoor Unit
Make sure not to cover the drain hole in the bottom plate of the unit. 6.3.4 To install the outdoor unit 1 Carry the unit by its slings, and put it onto the installation structure. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 55: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 56 Drain hole O-ring (delivered as accessory) Drain plug (delivered as accessory) Hose (field supply) NOTICE O-ring. Make sure the O-ring is installed correctly to prevent leakage. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 57: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 58: To Remove The Discharge Grille, And Put The Grille In Safety Position
57] ▪ "6.3.7 To remove the discharge grille, and put the grille in safety position" [ 58] 1 Remove the upper part of the discharge grille. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 59 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 60: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 61: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 62 Unit installation Option 2: Through the right side panel 3× EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 63: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 64 Drainage – Pressure relief valve. Connect the drain hose properly to the drain to avoid water dripping out of the unit. See "6.4.4 To connect the drain hose to the drain" [ 61]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 65: Formula To Calculate The Expansion Vessel Pre-Pressure
7.1.3 To check the water volume and flow rate The indoor unit has an expansion vessel of 10 litre with a factory-set pre-pressure of 1 bar. To make sure that the unit operates properly: EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 66 For more information on the addition of glycol, refer to "7.2.6 To protect the water circuit against freezing" [ 73]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 67 For this purpose, use the overpressure bypass valve delivered with the unit. NOTICE To guarantee proper operation it is recommended to have a minimum flow of 28 l/ min during DHW. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 68: Changing The Pre-Pressure Of The Expansion Vessel
The indoor unit is installed 5 m below the highest point in the water circuit. The total water volume in the water circuit is 100 l. No actions or adjustments are required. Example 2 EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 69: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 70 Domestic hot water OUT (screw connection, 3/4") Domestic cold water IN (cold water supply)(screw connection, 3/4") Outdoor unit water OUT (screw connection, 1") Outdoor unit water IN (screw connection, 1") EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 71 A pressure relief valve (field supply) with an opening pressure of maximum 10 bar (=1 MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 72: To Connect The Recirculation Piping
7.2.5 To fill the water circuit To fill the water circuit, use a field supply filling kit. Make sure you comply with the applicable legislation. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 73: To Protect The Water Circuit Against Freezing
Freeze protection by glycol About freeze protection by glycol Adding glycol to the water lowers the freezing point of water. WARNING Ethylene glycol is toxic. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 74 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 75 Normally closed valves (recommended – field supply) Part Description An automatic air intake (for air supply) should be installed at the highest point. For example, an automatic air purge. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 76: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 77 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 78: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 79: Guidelines When Connecting The Electrical Wiring
Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 80: About Electrical Compliance
E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ... EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 81: Overview Of Electrical Connections Except External Actuators
Preferential kWh rate power supply 1 Power supply for outdoor unit 2 Power supply and interconnection cable to indoor unit 3 Power supply for backup heater EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 82: Connections To The Outdoor Unit
3 Insert the cables at the back of the unit, and route them through the factory- mounted cable sleeves into the switch box. For the power supply, use the factory-mounted cable. a1+a2 Power supply cable (factory-mounted cable) EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 83 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 84 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 85 ▪ 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 86 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 87 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 88: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 89: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 90 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 91 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 92: To Connect The Main Power Supply
In case of normal kWh rate power supply Interconnection cable Wires: (3+GND)×1.5 mm² (= main power supply) — 1 2 3 1 2 3 X11YB X11YA X11Y Interconnection cable (=main power supply) EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 93 Interconnection cable (=main power supply) Normal kWh rate power supply Preferential power supply contact 3 Fix the cables with cable ties to the cable tie mountings. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 94: To Connect The Backup Heater Power Supply
0.22 Ω 2 kW 3~ 230 V 5 A — 4 kW 3~ 230 V 10 A — 6 kW 3~ 230 V 15 A — 3 kW 3N~ 400 V 4 A — 6 kW 3N~ 400 V 9 A — 9 kW 3N~ 400 V 13 A — EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 95 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 96: To Connect The Shut-Off Valve
2 User interface panel 3 Upper switch box cover 2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 97: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 98: To Connect The Domestic Hot Water Pump
2 User interface panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 99: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 100: To Connect The Space Cooling/Heating On/Off Output
2 User interface panel 3 Upper switch box cover 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 101: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 102: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 103: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 104 [9.8.1]=3 (Benefit kWh power supply = Safety thermostat) 4 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 105: After Connecting The Electrical Wiring To The Indoor Unit
8.4 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 106 Electrical installation Without low voltage cables With low voltage cables EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 107: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 108: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 109 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 110: Configuration Wizard
Booster heater capacity [9.4.1] (if applicable) Backup heater Voltage [9.3.2] "Backup heater" [ 167] Configuration [9.3.3] Capacity step 1 [9.3.4] Additional capacity step 2 [9.3.5] (if applicable) Main zone EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 111: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 112: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 113 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 114 "13.4.1 To display the help text in case of a malfunction" [ 215] for more information. If the corresponding operation (for example: space heating) is not active, the circle is greyed out. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 115: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 116: Menu Screen
°C °C – – Additional zone Tank Explanation – Possible actions on this screen Go through the list of the submenu. Go to the submenu. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 117: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 118 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 119 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 120 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 121: Weather-Dependent Curve
EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 122: 2-Points Curve
See "9.4.4 Using weather-dependent curves" [ 124]. 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 123: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 124: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 125 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 126: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 127: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 128 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 129 ▪ 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 130 Human Comfort Interface or the external room sensor cannot be installed at the ideal location. "5.6 Setting up an external temperature sensor" [ 42]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 131: Main Zone
▪ In Weather dependent LWT setpoint mode, the scheduled actions consist of desired shift actions, either preset or custom. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 132 122] and "9.4.3 Slope-offset curve" [ 123]. 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 133 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 134 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 135 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 136 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~70°C ▪ 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 EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 137 If an external room thermostat is used, the external room thermostat will control the room frost protection. However, the room frost protection is only possible if [C.2] Space heating/cooling=On. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 138 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 139 [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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 140 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 141: Additional Zone
Control the leaving water temperature for the additional zone via setpoint screen [3] Additional zone. "9.3.5 Setpoint screen" [ 116]. Schedule Indicates if the desired leaving water temperature is according to a schedule. "9.5.3 Main zone" [ 131]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 142 Also see "9.5.3 Main zone" [ 131]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset Heating WD curve Set weather-dependent heating for the additional zone (if [3.4]=1 or 2): EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 143 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 144 [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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 145 (X2M/35a) ▪ 2: 2 contacts. Connected to 2 digital inputs (X2M/34a and X2M/35a) Leaving water temperature: Delta T For more information, see "9.5.3 Main zone" [ 131]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 146: Space Heating/Cooling
Operation mode schedule [4.2]. In this schedule, the end user indicates which operation is allowed for each month. To restrict automatic changeover according to a schedule Conditions: You set the space operation mode to Automatic. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 147 Space cooling off temperature: When the averaged outdoor temperature drops below this value, space cooling is turned off. ▪ 10°C~35°C This setting is also used in automatic heating/cooling changeover. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 148 Number of zones The system can supply leaving water to up to 2 water temperature zones. During configuration, the number of water zones must be set. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 149 Make sure you set the emitter types for the main zone [2.7] and for the additional zone [3.7] correctly in accordance with the connected emitter. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 150 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 151 T in relation to the required capacity. With this limitation range, delta T is possible and the comfort is guaranteed. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 152 (l/min) b (l/min) [9-0D]=6 [9-0D]=7 a (kPa) a (kPa) b (l/min) b (l/min) [9-0D]=8 a (kPa) b (l/min) External static pressure Water flow rate EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 153 Overshoot: ▪ 1°C~4°C Antifrost Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "9.5.2 Room" [ 127]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 154: Tank
You cannot wait for the next scheduled action to heat up the DHW tank. Then you can activate DHW powerful operation. Advantage: The DHW tank immediately starts heating up the water to the preset value (Storage comfort). EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 155 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 156 ▪ 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 157 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 158 Code Description [5.A] [6-08] Reheat hysteresis ▪ 2°C~20°C Setpoint mode Code Description [5.B] Setpoint mode: ▪ Fixed ▪ Weather dependent EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 159 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 BUH Backup heater EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 160: User Settings
Tank [7.1] Language User settings [7.2] Time/date Information Installer settings [7.3] Holiday [7.4] Quiet [7.5] Electricity price [7.6] Gas price Language Code Description [7.1] Language EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 161 Confirm the changes. 3 Set the last day of your holiday. — ▪ Go to [7.3.3]: Till. ▪ Select a date. ▪ Confirm the changes. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 162 117]. Electricity prices and gas price Only applicable in combination with the bivalent function. See also "Bivalent" [ 179]. Code Description [7.5.1] Electricity price > High EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 163 2 Program the selection using the scheduling screen. You can set — the High, Medium and Low electricity prices according to your electricity supplier. 3 Confirm the changes. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 164 Gas price=8.58 Calculation of the electricity price Electricity price=Actual electricity price+Incentive/kWh Electricity price=12.49+5 Electricity price=17.49 Price Value in breadcrumb Gas: 4.08 /kWh [7.6]=8.6 Electricity: 12.49 /kWh [7.5.1]=17 EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 165: Information
Room, tank or domestic hot water, outside, and leaving water temperature (if applicable) [8.5] Actuators Status/mode of each actuator Example: Domestic hot water pump ON/OFF EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 166: Installer Settings
Afterwards, more detailed settings can be done via the menu structure if required. To restart the configuration wizard, go to Installer settings > Configuration wizard [9.1]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 167 When measuring the resistance value of each heater, you can set the exact heater capacity and this will lead to more accurate energy data. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 168 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 169 Only for systems with integrated domestic hot water tank: If backup heater operation during space heating needs to be limited but can be allowed for domestic hot water operation, then set [4‑00] to 2. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 170 HP forced off mode can be activated to allow the backup heater to provide domestic hot water and space heating. Cooling is NOT possible when this mode is activated. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 171 [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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 172 Range: 0~10 hours Remark: The minimum time is 0.5 hours even when the selected value is 0. [9.6.5] [8-00] Minimum running timer: Do NOT change. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 173 (X5M/9+10) as the safety thermostat for the additional zone. It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat for the additional zone. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 174 Do NOT use 1 or 3. Setting [D-00] to 1 or 3 when [D-01] is set to 1 or 2 will reset [D-00] back to 0, as the system does not have a booster heater. Only set [D-00] to the values in the table below: EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 175 [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: Code Description [9.9.9] [5-09] Limit 1: 0 kW~20 kW EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 176 (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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 177 ▪ 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 178 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 179 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 180 2 Determine the value of [C‑03] using the graph. For an example, see the table legend. 2.5 (a) 10.5 (b) [C‑03]=2.5 in case of COP=3 and LWT=35°C [C‑03]=10.5 in case of COP=3 and LWT=55°C EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 181 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 182 Afterwards: An installer can manually disable the protective functions by setting [9.G]: Disable protections=Yes. After his work is done, he can enable the protective functions by setting [9.G]: Disable protections=No. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 183 ▪ Back ▪ To export MMI settings 1 Open the user interface panel and insert a USB memory stick. — EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 184: Commissioning
[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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 185: Wlan Adapter
[D.4] Device info About the WLAN adapter The wireless LAN adapter connects the heat pump system to the internet. The user can then control the heat pump system via the Daikin Residential Controller app. This needs the following components: WLAN adapter...
Page 186 Reset the gateway: ▪ Back ▪ Device info: Consult information about the WLAN adapter. Code Description [D.4] Device info: ▪ SSID ▪ MAC address ▪ Serial number EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 187: Menu Structure: Overview User Settings
Only accessible by installer (***) Only applicable when WLAN adapter is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 188: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 189: 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 190: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 191: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 192: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 193 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 194 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 195: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 196: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 197 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 198 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 199 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 200: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 201: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 202: Yearly Maintenance
12.3.4 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 203 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 204 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 205: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 206: About Cleaning The Water Filter In Case Of Trouble
12.5.2 To clean the water filter in case of trouble 1 Remove the water filter from the unit. See "12.5.1 To remove the water filter" [ 206]. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 207 Correctly install the strainer in the magnetic filter/dirt separator housing using the protrusions. Rolled‑up filter Strainer Protrusion 5 Install and properly tighten the bottom of the water filter housing. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 208: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 209: Troubleshooting
If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 210: Solving Problems Based On Symptoms
Make sure that the water volume in the too low installation is above the minimum required value (see "7.1.3 To check the water volume and flow rate" [ 65]). EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 211: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 212: Symptom: The Pump Is Blocked
"To perform a manual air purge" [ 194]) or use the automatic air purge function on both zones (see "To perform an automatic air purge" [ 194]). EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 213: 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 214: Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures
Increase the "space heating priority temperature" to activate backup heater operation at a higher outdoor temperature. [9.6.3]: Installer > > settings Balancing Priority temperature [5‑03] EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 215: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High
13.4.1 To display the help text in case of a malfunction In case of a malfunction, the following will appear on the home screen depending on the severity: EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 216: Error Codes: Overview
Overheating water circuit (thermostat) A1-00 Zero cross detection problem A5-00 OU: High pressure peak cut / freeze protection problem AA-01 Backup heater overheated AC-00 Booster heater overheated EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 217 OU: Malfunction of compressor input (CT) system H9-00 OU: Malfunction of outdoor air thermistor HC-00 Tank temperature sensor problem HC-01 Second tank temperature sensor problem EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 218 OU: Defect of power supply voltage U3-00 Underfloor heating screed dryout function not completed correctly U4-00 Indoor/outdoor unit communication problem U5-00 User interface communication problem EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 219 If the software is not successfully updated then you must make sure that your USB device has the FAT32 format. INFORMATION The user interface of the indoor unit will display how to reset an error code. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 220: Disposal
See: ▪ "6.3.6 To install the discharge grille" [ 57] ▪ "6.3.7 To remove the discharge grille, and put the grille in safety position" [ 58] EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 221 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 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 222: Technical Data
Technical data 15 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 15.1...
Page 223: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 224: Piping Diagram: Outdoor Unit
Electronic expansion valve (main) Electronic expansion valve (injection) Solenoid valve (4-way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 225: Piping Diagram: Indoor Unit
3-way valve (space heating/domestic hot water) Thermistor (water IN) Thermistor (backup heater – water OUT) R5T, R8T Thermistor (tank) Thermistor (main/mixed zone – water OUT) Flow switch EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 226 Technical data Screw connection Flare connection Quick coupling Brazed connection EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 227: 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 228 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 229 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 230 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 231 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+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 232: Wiring Diagram: Indoor Unit
Safety thermostat Safety thermostat Main LWT Main leaving water temperature On/OFF thermostat (wired) On/OFF thermostat (wired) On/OFF thermostat (wireless) On/OFF thermostat (wireless) Ext. thermistor External thermistor EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 233 Relay 3-way valve flow K*R (A4P) Relay on PCB # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 234 (2) Backup heater power supply Only for *** Only for *** (3) User interface (3) User interface Only for LAN adapter Only for the LAN adapter EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 235 DC / 12 mA detection (voltage supplied 12 V DC / 12 mA detection (voltage by PCB) supplied by PCB) Space C/H On/OFF output Space cooling/heating On/OFF output EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 236 Only for wired On/OFF thermostat Only for wireless On/OFF thermostat Only for wireless On/OFF thermostat Electrical connection diagram For more details, please check the unit wiring. EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 237 A11P: X9: 1-2-3 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 4D124707A EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W Installer reference guide Daikin Altherma 3 H HT F 4P587503-1A – 2020.01...
Page 238: 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 239: Field Settings Table
1/11 95D1 Field settings table [8.7.5] = ..Applicable indoor units ETVZ16S18DA6V ETVZ16S23DA6V ETVZ16S18DA9W ETVZ16S23DA9W Notes (*1) *6V (*2) *9W (*3) + EKHVCONV2 4P586462-1 - 2019.07...
Page 240 2/11 Field settings table Installer setting at variance with 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 241 3/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Heating WD curve [0-00] Leaving water value for high ambient temp. for LWT add zone heating WD curve. [9-05]~min(45,[9-06])°C, step: 1°C [2-0C]=0 25°C...
Page 242 4/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [6-0B] Eco setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [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.
Page 243 5/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.5.3 Setpoint mode 0: Fixed 2: Weather dependent 9.1.5.4 Schedule 0: No 1: Yes 9.1.5.5 WD curve type 0: 2-points 1: Slope-Offset 9.1.6...
Page 244 6/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.3.2 [5-0D] Voltage R/W (*1) 0: 230V, 1~ (*1) R/O (*2) 1: 230V, 3~ (*1) 2: 400V, 3~ (*2) 9.3.3 [4-0A] Configuration...
Page 245 7/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.A.2 [D-09] Electricity meter 2 0: No 1: 0,1 pulse/kWh 2: 1 pulse/kWh 3: 10 pulse/kWh 4: 100 pulse/kWh 5: 1000 pulse/kWh └─...
Page 246 8/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-07] High ambient temp. for LWT main zone cooling WD curve. 25~43°C, step: 1°C 35°C(*3) [1-08] Leaving water value for low ambient temp. for LWT main zone cooling WD curve. [9-03]~[9-02]°C, step: 1°C 22°C(*3) [1-09]...
Page 247 9/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-0D] Automatic cooling/heating changeover offset. 1~10°C, step: 0,5°C 3°C(*3) [4-0E] [5-00] Is backup heater operation allowed above equilibrium temperature during space 0: Allowed heating operation? 1: Not allowed...
Page 248 10/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [8-0D] [9-00] What is the maximum desired LWT for main zone in heating? [2-0C]=2: 37~70, step: 1°C 70°C [2-0C]≠2: 37~55, step: 1°C 55°C...
Page 249 11/11 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-0B] [D-0C] [D-0D] [D-0E] [E-00] Which type of unit is installed? 0: LT split [E-01] Which type of compressor is installed? [E-02] What is the indoor unit software type? R/W (*3)
Page 252 4P587503-1A 2020.01 Verantwortung für Energie und Umwelt...

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