Page 1 Installer reference guide Daikin Altherma 3 H MT F https://daikintechnicaldatahub.eu EPRA08EAV3 ETVH12S18EA6V EPRA10EAV3 ETVH12S23EA6V EPRA12EAV3 ETVH12S18EA9W ETVH12S23EA9W EPRA08EAW1 ETVX12S18EA6V EPRA10EAW1 ETVX12S23EA6V EPRA12EAW1 ETVX12S18EA9W ETVX12S23EA9W...
Page 2: Table Of Contents
Installation site requirements of the outdoor unit..................62 7.1.2 Additional installation site requirements of the outdoor unit in cold climates..........65 7.1.3 Installation site requirements of the indoor unit ..................65 Installer reference guide EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 3 Overview: Configuration..............................130 10.1.1 To access the most used commands ......................131 10.1.2 To connect the PC cable to the switch box....................133 10.2 Configuration wizard............................... 133 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 4 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........... 247 14.3.10 Symptom: The pressure at the tapping point is temporarily unusually high..........248 Installer reference guide EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 5 Wiring diagram: Outdoor unit ............................264 16.5 Wiring diagram: Indoor unit ............................269 16.6 ESP curve: Indoor unit..............................275 17 Glossary 18 Field settings table EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+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
General safety precautions Safety instructions that you must read before installing Specific installer safety instructions About the box How to unpack the units and remove their accessories EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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 pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 14 Install power cables at least 1 meter away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 meter may NOT be sufficient. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 15 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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" [ 96]) Electrical installation (see DANGER: RISK OF ELECTROCUTION EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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" [ 73] ±120 4× EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 23: To Unpack The Outdoor Unit
About the box 4.2.2 To unpack the outdoor unit EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 29: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 30 Bizone kit (EKMIKPOA or EKMIKPHA) You can install an optional bizone kit. For installation instructions, see the installation manual of the bizone kit. See also: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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" [ 124]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 34: Single Room
For your daily needs, you can use preset values and schedules. To deviate from your daily needs, you can temporarily overrule the preset values and schedules, or use the holiday mode. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 35 Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/OFF signals, it is specifically designed for the heat pump system. ▪...
Page 36 OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. Benefits ▪ Cooling. The heat pump convector offers, besides heating capacity, also excellent cooling capacity. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 37 ▪ The space operation mode is sent by one digital output (X2M/4 and X2M/3) on the indoor unit to: The heat pump convectors The shut-off valve EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 38: Multiple Rooms - One Lwt Zone
Human Comfort Interface (BRC1HHDA) or an external room thermostat), while the other rooms are controlled by so-called thermostatic valves, which open or close depending on the room temperature. Setup EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 39 ▪ For more information about connecting the electrical wiring to the unit, see: "9.2 Connections to the outdoor unit" [ 100] "9.3 Connections to the indoor unit" [ 108] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 40 ▪ For more information about connecting the electrical wiring to the unit, see: "9.2 Connections to the outdoor unit" [ 100] "9.3 Connections to the indoor unit" [ 108] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 41 Combination: Underfloor heating + Heat pump convectors – Multiple rooms Setup A Main leaving water temperature zone B Room 1 C Room 2 a External room thermostat b Heat pump convectors (+ controllers) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 42 ▪ #: [2.9] temperature. ▪ Code: [C-07] Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 43: Multiple Rooms - Two Lwt Zones
(no real cooling), or NOT allow it. See setup below. Setup Three bizone kit system variations are possible: System without hydraulic separator: System with hydraulic separator for main zone: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 44 This is to guarantee the correct water flow balance between the main leaving water temperature zone and the additional leaving water temperature zone in relation to the required capacity of both water temperature zones. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 45 The user interface integrated in the indoor unit decides the space operation mode. Mind that the operation mode on each controller of the heat pump convectors must be set to match the indoor unit. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 46 The combination of the two heat emitter systems provides the excellent heating comfort of the underfloor heating, and the excellent cooling comfort of the heat pump convectors. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 47: Setting Up An Auxiliary Heat Source For Space Heating
Setup ▪ Integrate the auxiliary boiler as follows: A Main leaving water temperature zone B One single room EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 48 Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ Make sure the return water to the heat pump does NOT exceed 60°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 60°C.
Page 49 To prevent freeze-up of the water piping, the auxiliary gas boiler must have a fixed setpoint ≥55°C, or a weather-dependent setpoint ≥T (°C) –30 –25 –20 –15 –10 –5 (°C) Outdoor temperature Minimum weather-dependent setpoint for auxiliary gas boiler EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 50: Setting Up The Domestic Hot Water Tank
Example: If the DHW consumption of a family (4 persons) per day is as follows: ▪ 3 showers ▪ 1 bath ▪ 3 sink volumes Then the DHW consumption = (3×100 l)+(1×150 l)+(3×10 l)=480 l EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 51: Setup And Configuration - Dhw Tank
6.4.3 Setup and configuration – DHW tank ▪ For large DHW consumptions, you can heat up the DHW tank several times during the day. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 52: Dhw Pump For Instant Hot Water
You can program a schedule to control the DHW pump via the user interface. For more information, see the user reference guide. 6.4.5 DHW pump for disinfection Setup EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 53: Setting Up The Energy Metering
▪ The produced heat is calculated internally based on: The leaving and entering water temperature The flow rate EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 54: Consumed Energy
Backup heater supplied from a single- (*3V, *6V (6V): 1N~ 230 V) phase grid (i.e. the backup heater model is *3V or *6V connected to a single-phase grid) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 55 NOT have to set which meter covers which power consumption. You only need to set the number of pulses of each power meter. ▪ "6.5.4 Preferential kWh rate power supply" [ 56] for an example with two power meters. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 56: Preferential Kwh Rate Power Supply
6.6 Setting up the power consumption control You can use the following power consumption controls. For more information about the corresponding settings, see "Power consumption control" [ 204]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 57: Permanent Power Limitation
DHW production. Power input t Time DI Digital input (power limitation level) a Power limitation active b Actual power input EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 58: Power Limitation Activated By Digital Inputs
6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪...
Page 59: Power Limitation Process
Produced heat Consumed energy A Outdoor unit B Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Backup heater step 1 turned ON EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 60: Bbr16 Power Limitation
You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 61 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 62: Unit Installation
Mind the spacing guidelines. See "16.1 Service space: Outdoor unit" [ 261]. NOTICE ▪ Do NOT stack the units on each other. ▪ Do NOT hang the unit on a ceiling. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 63 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 64 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 –...
Page 65: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
Maximum total water piping length when using 1" piping 20 m (single run) Maximum total water piping length when using 1 ¼" piping 50 m (single run) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 66: 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 67: To Remove The Transportation Stay
Keep 4 screws to attach the compressor cover piece (see the installation manual, topic “To attach the compressor cover piece”). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 68: To Close The Outdoor Unit
Top panel b User interface panel c Switch box cover d Front panel e High voltage switch box cover Open 1 Remove the top panel. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 69 X 1 4 Y 3 Remove the switch box cover. 4× 4 If necessary, remove the front plate. This is, for example, necessary in the following cases: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 70: To Lower The Switch Box On The Indoor Unit
1 Remove the fixing plate at the top of the unit. 2 Tilt the switch box to the front and lift it out of its hinges. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 71: To Close The Indoor Unit
7.3 Mounting the outdoor unit 7.3.1 About mounting the outdoor unit When You have to mount the outdoor unit before you can connect the water piping. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 72: Precautions When Mounting The Outdoor Unit
Use 4 sets of M12 anchor bolts, nuts and washers. Provide at least 150 mm of free space below the unit. Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. Anchor points (mm) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 73: To Install The Outdoor Unit
7.3.4 To install the outdoor unit 1 Carry the unit by its slings, and put it onto the installation structure. ±120 4× 2 Fix the unit to the installation structure. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 74: To Provide Drainage
▪ Install a drain tube heater (field supply). To connect the drain tube heater, see "9.2.1 To connect the electrical wiring to the outdoor unit" [ 101]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 75: To Install The Discharge Grille
Electrical wiring. Before installing the discharge grille, connect the electrical wiring. Install the lower part of the discharge grille 1 Insert the hooks. 2 Insert the ball studs. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 76 4 Align and attach the left side. 5 Align and attach the middle part. 6 Align and attach the right side. 7 Insert the hooks. 8 Insert the ball studs. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 77: To Remove The Discharge Grille, And Put The Grille In Safety Position
"7.3.7 To remove the discharge grille, and put the grille in safety position" [ 77] 1 Remove the upper part of the discharge grille. 4× 2 Remove the lower part of the discharge grille. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 78 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 79: Mounting The Indoor Unit
4 Adjust the height of the leveling feet to compensate for floor irregularities. The maximum allowed deviation is 1°. ≤1° NOTICE Do NOT tilt the unit forwards: 1° 1° 0° EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 80: To Connect The Drain Hose To The Drain
It is recommended to use a tundish to collect the water. Option 1: Through the left side panel 3× Option 2: Through the right side panel 3× EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 81: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 82 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 83: 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) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 84: 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" [ 91]. Use the following graph to determine the maximum water volume for the calculated pre-pressure. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 85 This minimum flow rate is required during defrost/backup heater operation. For this purpose, use the overpressure bypass valve delivered with the unit, and respect the minimum water volume. Minimum required flow rate 20 l/min EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 86: Changing The Pre-Pressure Of The Expansion Vessel
Example 2 The indoor unit is installed at the highest point in the water circuit. The total water volume in the water circuit is 250 l. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 87: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 88 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 89 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 90: To Connect The Recirculation Piping
8.2.5 To fill the water circuit To fill the water circuit, use a field supply filling kit. Make sure you comply with the applicable legislation. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 91: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 92 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 — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 93 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) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 94: 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). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 95 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 96: 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]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 97: 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. a Stranded conductor wire EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 98: 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.). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 99: Specifications Of Standard Wiring Components
OFF mode. At that moment, the outdoor unit compressor will NOT operate. The wiring to the unit is different depending on whether the power supply is interrupted or NOT. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 100: Overview Of Electrical Connections Except External Actuators
"9.2.1 To connect the electrical wiring to the outdoor unit" [ 101]. Interconnection cable Drain tube heater cable Connection for power saving function (only for V3 models) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 101: To Connect The Electrical Wiring To The Outdoor Unit
1 Power supply cable: ▪ Route the cable through the frame. ▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 102 ▪ 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 — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 103 ▪ 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) — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 104 ▪ 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. — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 105 ▪ 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 — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 106 ▪ 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) — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 107: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 108: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 109 ▪ 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 110 Addendum book for optional equipment Wired room thermostat ▪ Installation manual of the wired room without multi-zoning base unit thermostat ▪ Addendum book for optional equipment EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 111: To Connect The Main Power Supply
2 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 112 15 V DC, 10 mA. [9.8] Benefit kWh power supply Connect X11Y to X11YB. 1N~, 50 Hz, 230 V AC, 6.3 A 1 2 3 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 113: To Connect The Backup Heater Power Supply
The backup heater capacity can vary, depending on the indoor unit model. Make sure that the power supply is in accordance with the backup heater capacity, as listed in the table below. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 114 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) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 115 C. K5M Safety contactor (in the lower switch box) Q1DI Earth leakage circuit breaker (field supply) SWB Switch box X6M Terminal (field supply) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 116: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 117: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 118: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 119: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 120: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 121: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 122: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 123: To Connect The Safety Thermostat (Normally Closed Contact)
2 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 124: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 125 1 Open the following (see "7.2.5 To open the indoor unit" [ 68]): 1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the wiring as follows: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 126 Contact sides of relays e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace the jumper with the safety thermostat wires. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 127 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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 128: 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). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 129 Electrical installation Without low voltage cables With low voltage cables EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 130: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 131: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 132 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 133: To Connect The Pc Cable To The Switch Box
You can find a short overview of the settings in the configuration here. All the settings can also be adjusted in the settings menu (use the breadcrumbs). For the setting… Refer to… Language [7.1] Time/date [7.2] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 134 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) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 135: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 136: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 137 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Measured room temperature Leaving water temperature setpoint Holiday mode Holiday mode active EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 138: 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" [ 249] for more information. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 139: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 140: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 141: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 142 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 143 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 144 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 145: Weather-Dependent Curve
EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 146: 2-Points Curve
See "10.4.4 Using weather-dependent curves" [ 148]. 10.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 147: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 148: 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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 149 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 150: Settings Menu
To display the error code, open the menu screen and go to [0] Malfunctioning. Press more information about the error. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 151: Room
Example" [ 141]. 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" [ 141]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 152 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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 153 ▪ Outdoor ambient temperature drops below 6°C ▪ the temperature setpoint of the leaving water will be lowered. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 154 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 155: 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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 156 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.3.7 Schedule screen: Example" [ 141]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.3.7 Schedule screen: Example" [ 141]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 157 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 158 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): EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 159 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 160 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]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 161 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~65°C ▪ Else: 37°C~55°C [2.8.3] [9-03] Cooling minimum: ▪ 5°C~18°C [2.8.4] [9-02] Cooling maximum: ▪ 18°C~22°C EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 162 Leaving water temperature: Delta T In heating for the main zone, the target delta T (temperature difference) depends on the selected emitter type for the main zone. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 163 Additionally, also the desired leaving water temperature must be configured: if Modulation is enabled, the unit automatically calculates the desired leaving water temperature. These calculations are based on: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 164 1 leaving water temperature zone, connect the shut-off valve to the heating/cooling output. The shut off valve for the main leaving water temperature zone can close under these circumstances: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 165: Additional Zone
146] and "10.4.3 Slope-offset curve" [ 147]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset 10.5.4 Additional zone Overview The following items are listed in the submenu: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 166 141]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [ 157]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 167 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): EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 168 [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 65°C Fixed 10°C EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 169 (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" [ 155]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 170: Space Heating/Cooling
[4.9] Pump outside range [4.A] Increase around 0°C [4.B] Overshoot [4.C] Antifrost About space operation modes Your unit can be a heating or a heating/cooling model: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 171 To restrict automatic changeover according to a schedule Conditions: You set the space operation mode to Automatic. 1 Go to [4.2]: Space heating/cooling > Operation mode schedule. 2 Select a month. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 172 Besides the desired heating/cooling room temperature, the installer sets a hysteresis value (e.g. when in heating, this EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 173 INFORMATION Mixing station. If your system layout contains 2 LWT zones, you need to install a mixing station in front of the main LWT zone. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 174 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 175 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 176 Possible values: see below. [4.8.2] [9-0D] Restriction: Only displayed when the bizone kit (EKMIKPOA or EKMIKPHA) is installed. Pump limitation Additional zone Possible values: see below. Possible values: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 177 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) [9-0D]/[9-0E]=2/6 [9-0D]/[9-0E]=3/7 a (kPa) a (kPa) b (l/min) b (l/min) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 178 0: No ▪ 1: increase 2°C, span 4°C ▪ 2: increase 4°C, span 4°C ▪ 3: increase 2°C, span 8°C ▪ 4: increase 4°C, span 8°C EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 179: 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" [ 151]. 10.5.6 Tank Overview The following items are listed in the submenu: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 180 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 181 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 182 ▪ 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 183 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 184 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 185 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 186 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]). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 187: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 188 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Activation. 2 Do one of the following: — EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 189 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 190 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 191: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 192: 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: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 193 • [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? EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 194 ▪ For a 6V model, this can be set to: 230V, 1ph 230V, 3ph ▪ For a 9W model, this is fixed to 400V, 3ph. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 195 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 196 When Emergency is set to Automatic and a heat pump failure occurs, the backup heater automatically takes over the domestic hot water production and space heating. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 197 Heat pump operation is NOT possible ▪ Cooling is NOT possible Code Description [9.5.2] [7-06] Activation of the Compressor forced off mode: ▪ 0: disabled ▪ 1: enabled EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 198 (because the heat exchanger coil is not operational) with a warmer top layer. Range: 0°C~20°C EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 199 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 200 It is ONLY possible to disable water pipe freeze prevention if glycol is selected in the settings of the unit: [E-0D]=1.For more information on freeze protection by glycol, "8.2.6 To protect the water circuit against freezing" [ 91]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 201 Therefore, always enable the auto restart function. ▪ 3 Smart grid: A Smart Grid is connected to the system EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 202 Yes: The extra energy from the photovoltaic panels is buffered in the DHW tank, and in the space heating/cooling circuit (i.e. heat up or cool down the room). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 203 The protective functions (water pipe freeze prevention, drain prevention, room frost protection, tank disinfection) and defrost are NOT overruled (capacity will not be limited for these functions) Also see "Protective functions" [ 213]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 204 ▪ 0 Amp: The limitation values are set in A. ▪ 1 kW: The limitation values are set in kW. Limit when [9.9.1]=Continuous and [9.9.2]=Amp: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 205 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 206 (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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 207 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 208 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 209 [C‑03] or above [C‑03]+[C‑04]. calc 3°C Fixed hysteresis to prevent too much switching between heat pump system and auxiliary boiler a Auxiliary boiler active EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 210 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 211 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 212 PCB make sure to connect X804A to X806A. For more information, see "In case of V3 models" [ 101]. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 213 Do you want to start a defrost operation? ▪ Back ▪ NOTICE Forced defrost start-up. You can only start forced defrost when the heating operation has been running for a while. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 214 0 No : The system only has a main zone. ▪ 1 N/A ▪ 2 Yes: A bizone kit is installed in order to add an additional temperature zone. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 215 The speed of the main zone pump can be fixed with this setting. Code Description [9.P.4] [7-0B] Main zone pump fixed PWM: Fixed pump speed for main (mixed) zone. ▪ 20~95% (default: 95) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 216: Commissioning
[C.2] Space heating/cooling Operation [C.3] Tank Malfunctioning Room To enable or disable functionalities In the operation menu, you can separately enable or disable functionalities of the unit. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 217: Wlan
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 218 ▪ INFORMATION You can only use this function if it is supported by the software version of the WLAN, and the software version of the Daikin Residential Controller app. Remove from cloud: Remove the WLAN cartridge from the cloud. Code Description [D.4]...
Page 219: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 220: Menu Structure: Overview Installer Settings
(*) Only applicable in Swedish language. INFORMATION Solar kit settings are shown but are NOT applicable for this unit. Settings shall NOT be used or changed. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 221 Configuration INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 222: 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 223: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 224: Checklist During Commissioning
— reach the minimum required flow rate + 2 l/min. During pump test run, the unit can operate below the minimum required flow rate. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 225: Air Purge Function
3 In the menu, set Type = Manual. 4 Select Start air purge. 5 Select OK to confirm. Result: The air purge starts. It stops automatically when ready. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 226: Operation Test Run
"To change — the user permission level" [ 131]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select a test from the list. Example: Heating. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 227: Actuator Test Run
1 In the menu, go to Stop test run. 2 Select OK to confirm. Possible actuator test runs ▪ Backup heater 1 test ▪ Backup heater 2 test ▪ Pump test EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 228: Underfloor Heating Screed Dryout
The installer can program up to 20 steps. For each step he needs to enter: 1 the duration in hours, up to 72 hours, 2 the desired leaving water temperature, up to 55°C. Example: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 229 [2‑06] to "0", and KEEP it disabled until the screed dryout has finished. Ignoring this notice will result in cracking of the screed. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 230 In case of a power failure, the U3 error is not generated. When power is restored, the unit automatically restarts the latest step and continues the program. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 231 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 232: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 233: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 234: Yearly Maintenance
Switch box ▪ Descaling ▪ Chemical disinfection 13.3.4 Yearly maintenance indoor unit: instructions Water pressure Keep water pressure above 1 bar. If it is lower, add water. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 235 "13.5.3 To install the water filter" [ 239] Water pressure relief valve Open the valve and check if it operates correctly. The water may be very hot! Checkpoints are: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 236 For this reason, descaling of the heat exchanger may be required at certain intervals. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 237: To Drain The Domestic Hot Water Tank
▪ "13.5.1 To remove the water filter" [ 238] ▪ "13.5.2 To clean the water filter in case of trouble" [ 238] ▪ "13.5.3 To install the water filter" [ 239] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 238: To Remove The Water Filter
Opening the magnetic filter/dirt separator is ONLY required in case of severe issues. Preferably this action is never to be done during the complete lifetime of the magnetic filter/dirt separator. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 239: To Install The Water Filter
Check the condition of the O-rings and replace if needed. Apply water or silicon grease to the O-rings before installation. 1 Install the water filter in the correct location. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 240 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 241: Troubleshooting
If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 242: 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" [ 84]). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 243: 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). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 244: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 245: Symptom: The Pump Is Making Noise (Cavitation)
▪ The pre-pressure setting of the expansion vessel is correct (see "8.1.4 Changing the pre-pressure of the expansion vessel" [ 86]). EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 246: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 247: 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] EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 248: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High
INFORMATION See the service manual for: ▪ The complete list of error codes ▪ A more detailed troubleshooting guideline for each error EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 249: To Display The Help Text In Case Of A Malfunction
Heat exchanger freeze-up protection activated during defrost (warning) 89-05 Heat exchanger freeze-up protection activated during cooling (error) 89-06 Heat exchanger freeze-up protection activated during defrost (warning) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 250 OU: Power input overvoltage E9-00 Malfunction of electronic expansion valve EA-00 OU: Cool/heat switchover problem EA-01 4WV switching error EC-00 Abnormal increase tank temperature EC-04 Tank preheating EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 251 OU: Malfunction of inverter radiating fin temperature rise L5-00 OU: Inverter instantaneous overcurrent (DC) L8-00 Malfunction triggered by a thermal protection in the inverter PCB EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 252 Tank type problem UA-21 Extension/hydro mismatch problem UF-00 Reversed piping or bad communication wiring detection UJ-14 AF communication error UJ-20 AF warning UJ-26 AF caution EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 253 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 254: Disposal
"7.3.6 To install the discharge grille" [ 75] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [ 77] 1 Make sure the unit is not running. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 255: 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. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 256: Recovery Mode - In Case Of 3N~ Models (7-Segments Display)
Display the current value. Press BS3 once. Change the value to 2. Press BS2 once. Enter the value in the system. Press BS3 once. Confirm. Press BS3 once. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 257: Recovery Mode - In Case Of 1N~ Models (7-Leds Display)
Before recovering refrigerant, make sure the electronic expansion valves are open. When power is ON, this has to be done by using the recovery mode. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 258 Result: The recovery mode is activated. The unit opens the electronic expansion valves. To deactivate the recovery mode After recovering refrigerant, deactivate the recovery mode as follows: EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 259 Result: The recovery mode is deactivated. The unit returns the electronic expansion valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 260: 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 261: 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 262: 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) Q1E Overload EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 263: Piping Diagram: Indoor Unit
R1T Thermistor (water IN) R2T Thermistor (backup heater – water OUT) R5T, R8T Thermistor (tank) S1L Flow switch Screw connection Flare connection Quick coupling Brazed connection EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 264: Wiring Diagram: Outdoor Unit
See note *** See note *** Only for *W1 models. Notes: Symbols: Live Neutral Protective earth Noiseless earth Field wiring Option Terminal strip Terminal Connector Connection EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 265 K1R (A1P) Magnetic relay (Y1S) K1R (A4P) Magnetic relay (E1HHEX) K2R (A1P) Magnetic relay (Y2S) K2R (A4P) Magnetic relay (E1H) K3R (A1P) Magnetic relay (Y3S) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 266 Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) Z1C~Z11C Noise filter (ferrite core) Z1F~Z5F (A1P, A2P) Noise filter EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 267 Thermistor (compressor discharge) Thermistor (compressor suction) Thermistor (air heat exchanger, liquid pipe) Thermistor (air heat exchanger, middle) Thermistor (refrigerant liquid) Thermistor (injection) Thermistor (entering water) EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 268 Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) Solenoid valve (liquid injection) Z1C~Z11C Noise filter (ferrite core) Z1F~Z6F (A1P, A2P) Noise filter EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 269: Wiring Diagram: Indoor Unit
Safety thermostat Smart Grid Smart Grid WLAN module WLAN module WLAN cartridge WLAN cartridge Bizone mixing kit Bizone mixing kit Main LWT Main leaving water temperature EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 270 Relay on PCB # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit PHC1 (A4P) * Optocoupler input circuit EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 271 Use normal kWh rate power supply for indoor unit indoor unit (2) Backup heater power supply (2) Backup heater power supply Only for *** Only for *** EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 272 Changeover to ext. heat source Changeover to external heat source Max. load Maximum load Min. load Minimum load Only for demand PCB option Only for demand PCB option EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 273 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 EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 274 4 core signal 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 4D133016B EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 275: Esp Curve: Indoor Unit
See also the minimum and maximum allowed water flow range in the technical specifications. ▪ Make sure water quality complies with EU directive 2020/2184. EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W Installer reference guide Daikin Altherma 3 H MT F 4P634886-1 – 2021.03...
Page 276: 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 277: Field Settings Table
1/13 Field settings table Applicable indoor units ETBH12EF6V ETBH12EF9W ETBX12EF6V ETBX12EF9W ETVH12S18EA6V ETVH12S23EA6V ETVH12S18EA9W ETVH12S23EA9W ETVX12S18EA6V ETVX12S23EA6V ETVX12S18EA9W ETVX12S23EA9W ETVH12SU18EA6V ETVH12SU23EA6V Notes (*1) *6V (*2) *9W (*3) ETB* (*4) ETV* (*5) *X* (*6) *H* (*7) *18* (*8) *23* 4P634891-1 - 2021.03...
Page 278 2/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 8°C └─...
Page 279 3/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 2.D.1 [F-0B] During thermo 0: No 1: Yes 2.D.2 [F-0C] During cooling 0: No 1: Yes Main zone WD curve type 0: 2-points 1: Slope-Offset...
Page 280 4/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [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 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0C] Reheat setpoint...
Page 281 5/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.3.4 [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 9.1.3.5 [7-02]...
Page 282 6/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.A [0-07] Low ambient temp. for LWT add zone cooling WD curve. 10~25°C, step: 1°C 20°C └─ Tank 9.1.B.1 [6-0D] Heat up mode...
Page 283 7/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.8.4 [D-01] Benefit kWh power supply 0: No 1: Active open 2: Active closed 3: Smart Grid 9.8.6 Allow electric heaters 0: No 1: Yes...
Page 284 8/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-04] Leaving water value for high ambient temp. for LWT add zone cooling WD curve. [9-07]~[9-08]°C, step: 1°C [2-0C]=0: 18°C [2-0C]=1:...
Page 285 9/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [2-09] Adjust the offset on the measured room temperature -5~5°C, step: 0,5°C 0°C [2-0A] Adjust the offset on the measured room temperature -5~5°C, step: 0,5°C 0°C [2-0B]...
Page 286 10/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [6-01] The temperature difference determining the heat pump OFF temperature. 0~10°C, step: 1°C 2°C [6-02] What is the capacity of the booster heater? 0~10kW, step: 0,2kW 3kW (*3) 0kW (*4)
Page 287 11/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-01] What is the mimimum desired LWT for main zone in heating? 15~37°C, step: 1°C 25°C [9-02] What is the maximum desired LWT for main zone in cooling? 18~22°C, step: 1°C 22°C [9-03]...
Page 288 12/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-09] Is an external kWh meter used for power measurement, kWh meter used for smart 0: No grid? 1: 0,1 pulse/kWh 2: 1 pulse/kWh 3: 10 pulse/kWh...
Page 289 13/13...
Page 292 4P634886-1 2021.03 Verantwortung für Energie und Umwelt...

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