Power limitation activated by digital inputs ....................62 6.6.3 Power limitation process..........................63 6.6.4 BBR16 power limitation..........................64 Setting up an external temperature sensor ........................64 7 Unit installation Installer reference guide EPRA14~18D + ETSH/X(B)16P30+50E Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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To connect the WLAN cartridge (delivered as accessory)................140 9.3.15 To connect the solar input ..........................141 9.3.16 To connect the DHW output .......................... 141 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Symptom: The pump is making noise (cavitation)..................257 14.3.7 Symptom: The pressure relief valve opens....................257 14.3.8 Symptom: The water pressure relief valve leaks................... 258 Installer reference guide EPRA14~18D + ETSH/X(B)16P30+50E Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Wiring diagram: Indoor unit ............................281 16.6 ESP curve: Indoor unit..............................287 16.7 Name plate: Indoor unit ..............................288 17 Glossary 18 Field settings table EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Format: Paper (in the box of the indoor unit) ▪ User reference guide: Detailed step-by-step instructions and background information for basic and advanced usage Format: Digital files on https://www.daikin.eu. Use the search function find your model. ▪ Installation manual – Outdoor unit: Installation instructions Format: Paper (in the box of the outdoor unit) ▪...
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).
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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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).
WARNING During tests, NEVER pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Charge the liquid refrigerant as follows: Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
The appliance shall be stored so as to prevent mechanical damage and in a well- ventilated room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Specific installer safety instructions 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" [ 76]) WARNING Fixing method of the outdoor unit MUST be in accordance with the instructions from this manual.
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▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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This maximum allowable hot water temperature shall be selected according to the applicable legislation. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. Forklift or pallet truck Enter the pallet from the heavy side. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "4.1.2 To unpack the outdoor unit" [ 22] ▪ "7.3.4 To install the outdoor unit" [ 78] ±150 4× 4.1.2 To unpack the outdoor unit EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Unpacking. When you remove the top packaging/accessories, hold the box containing the discharge grille to prevent it from falling. 4.2 Indoor unit 4.2.1 To unpack the indoor unit EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
The indoor unit is top-heavy as long as the storage tank is empty. Secure the unit accordingly and only transport by using the handles. If optional Backup Heater (EKECBU*) is installed, see the installation manual of the Backup Heater. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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3 Use the handles to carry the unit. 4 After carrying the unit remove the handles, add the screw plugs again and insert the thread covers on the plugs. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Explanation European hydro-split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series Power supply EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Model series 5.3 Combining units and options INFORMATION Certain options may NOT be available in your country. 5.3.1 Possible combinations of indoor unit and outdoor unit EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
To enable the power saving consumption control by digital inputs you MUST install the demand PCB. For installation instructions, see the installation manual of the demand PCB and addendum book for optional equipment. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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BIV connector kit (EKECBIVCO*) To make the connection of a bivalent heat source to the bivalent heat exchanger easier, you can install a bivalent connector kit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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A solar drainback kit including solar pump and solar controller can be directly connected to the pressureless storage tank of the indoor unit. For installation instructions, see the installation manual of the solar drainback kit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Setting up the storage tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
NOTICE A differential pressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. ▪...
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ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ The space operation mode is sent by one digital output (X12M/9 and X12M/10) on the indoor unit to: The heat pump convectors The shut-off valve EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits ▪ Easy. Same installation as for one room, but with thermostatic valves. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Compared with underfloor heating or radiators for one room: ▪ Comfort. You can set the desired room temperature, including schedules, for each room via the room thermostats. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Code: [C-07] Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits Compared with heat pump convectors for one room: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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INFORMATION To increase comfort and performance, we recommend to install the valve kit option EKVKHPC on each heat pump convector. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. Setup Three bizone kit system variations are possible: System without hydraulic separator: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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A Additional leaving water temperature zone B Room 1 C Room 2 D Main leaving water temperature zone E Room 3 a Heat pump convectors (+ controllers) EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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(X12M/19 and X12M/22). The indoor unit will only supply the desired additional leaving water temperature when there is an actual demand. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If the main zone must be shut off during cooling mode to prevent condensation on the floor, set it accordingly. "Bizone kit" [ 230] for more information on configuration of the bizone kit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
OR ▪ external room thermostat control. ▪ Space heating can be done by: The indoor unit An auxiliary boiler (field supply) connected to the system EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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.
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K1A Auxiliary relay for activation of indoor unit (field supply) K2A Auxiliary relay for activation of boiler (field supply) Indoor Indoor unit Auto Automatic Boiler Boiler EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
A Main leaving water temperature zone B One single room a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat) b Auxiliary boiler (field supply) EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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 storage tank does NOT exceed 95°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 95°C.
6.3.4 Setting up a solar system via bivalent heat exchanger Setup 1 Integrate the solar system as follows: a Bivalent heat exchanger IN (red) b Bivalent heat exchanger OUT (blue) EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Determining the DHW consumption Answer the following questions and calculate the DHW consumption (equivalent hot water volume at 40°C) using typical water volumes: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If energy prices are lower during the night, we recommend to heat up the storage tank during the night. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
For more information, see "10 Configuration" [ 143]. ▪ You can program a schedule to control the DHW pump via the user interface. For more information, see the user reference guide. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
You can read out the energy data: Per month Per year INFORMATION The calculated produced heat and consumed energy are an estimation, the accuracy cannot be guaranteed. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
6.5.3 Normal kWh rate power supply General rule One power meter that covers the entire system is sufficient. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The electrical meter cannot easily be installed in the electrical cabinet. 230 V and 400 V three-phase grids are combined (very uncommon), because of technical limitations of power meters. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Power meter (L d Power meter (L e Fuse (L f Fuse (L g Outdoor unit (L h Indoor unit (L i Backup heater (L EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Permanent power limitation is useful to assure a maximum power or current input of the system. In some countries, legislation limits the maximum power consumption for space heating and DHW production. Power input EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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: ▪...
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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Mind the spacing guidelines. See "16.1 Service space: Outdoor unit" [ 273]. NOTICE ▪ Do NOT stack the units on each other. ▪ Do NOT hang the unit on a ceiling. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O...
Install the indoor unit at a minimum distance of 1 m from other heat sources (>80°C) (e.g. electrical heater, oil heater, chimney) and combustible materials. Otherwise the unit may be damaged or in extreme cases catch fire. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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.
Transportation stays (2×) and washers (2×) b Transportation stay (1×) Prerequisite: Open the switch box cover. See "7.2.2 To open the outdoor unit" [ 71]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
1 Put the compressor cover piece on its place. Use the screws (4x) of the transportation stay to fix it (see "7.2.3 To remove the transportation stay" [ 71]). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
User interface panel b Switch box cover Open 1 Remove the user interface panel. Open the hinges at the top and slide the interface panel downwards. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Prerequisite: The user interface panel has been removed. 1 Loosen the screws. 2 Lift up the switch box. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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5 If necessary, remove the top cover. This is necessary in the following cases: ▪ Connecting water piping ▪ Connecting BIV or DB-kit ▪ Connecting backup heater EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Installing the discharge grille. Protecting the unit against snow and wind by installing a snow cover and baffle plates. See "7.1 Preparing the installation site" [ 66]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
When installing on a pedestal, make sure that the discharge grille still can be put in its safety position. See "7.3.7 To remove the discharge grille, and put the grille in safety position" [ 82]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. 1 Carry the unit by its slings, and put it onto the installation structure. ±150 4× 2 Fix the unit to the installation structure. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
▪ 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" [ 109]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
"7.3.7 To remove the discharge grille, and put the grille in safety position" [ 82] 1 Remove the upper part of the discharge grille. 4× 2 Remove the lower part of the discharge grille. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
7.4.2 Precautions when mounting the indoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 10] ▪ "7.1 Preparing the installation site" [ 66] EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Ensure that the water level cannot mount above the overspill. 6 Connect the drain pan hose to the drain pan connection and connect to an appropriate drain. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Ensure that any steam or water that may escape is drained in a frost-protected, safe and observable manner. a Pressure relief valve EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Inappropriate tooling will cause damage to the pipes. ▪ Insulation. Insulate up to the base of the heat exchanger. ▪ Freeze. Protect against freezing. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Water temperature. All installed piping and piping accessories (valve, connections,…) MUST withstand the following temperatures: INFORMATION The following figure is an example and may NOT completely match your system layout 89°C 75°C 75°C EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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See "6.4.4 DHW pump for instant hot water" [ 56]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
M1…3 Individual motorised valves to control each loop (field supply) Minimum flow rate Check that the minimum flow rate in the installation is guaranteed in all conditions. Minimum required flow rate 12 l/min EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Do NOT use excessive force when connecting the field piping and make sure the piping is aligned properly. Deformation of the piping can cause malfunctioning of the unit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Do NOT exceed the maximum tightening torque (Thread size 1", 25-30 N•m). To avoid damage, apply the necessary countertorque with a suitable tool. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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4 Connect the space heating/cooling field piping to the shut-off valves using a sealing. Do NOT exceed the maximum tightening torque (Thread size 1", 25-30 N•m). To avoid damage, apply the necessary countertorque with a suitable tool. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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7 Support the water piping. For rearward facing connections: Support hydraulic lines suitably according to the spatial conditions. This is valid for all water pipes. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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To avoid damage to the surroundings in case of water leakage, it is recommended to close the domestic cold water inlet shut‑off valves during periods of absence. NOTICE Install air purge valves at all local high points. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
There may not be any hydraulic blocking elements between the heat generator and the safety valve. 2 Position the pressure vessel in an easily accessible place (maintenance, parts replacement). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
241]). 3 Open the water tap. 4 Open fill and drain valve and monitor the manometer. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
▪ galvanized pipes are NOT used in glycol systems since the presence may lead to the precipitation of certain components in the glycol's corrosion inhibitor. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If glycol is present in the system, setting [E-0D] must be set to 1. If the glycol setting is NOT set correctly, the liquid inside the piping can freeze. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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NOT insulate the inlet and outlet (release) of these valves. ▪ Do NOT make traps in the field piping. >10 cm >15 cm EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Before the storage tank can be filled, the heat exchangers inside the storage tank have to be filled, see previous chapters. Fill the storage tank with a water pressure <6 bar and a flow speed <15 l/min. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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2 Connect the hose with non-return valve to the fill and drain kit. Follow the steps described in the previous chapter. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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.
▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Stranded conductor wire b Round crimp-style terminal ▪ Use the following methods for installing wires: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Equipment complying with EN/IEC 61000‑3‑12 (European/International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase.). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
9.1.5 Overview of electrical connections except external actuators NOTICE Unlike to other indoor unit model types, Daikin Altherma 3 * ECH₂O always needs a dedicated power supply for the indoor unit. It is NOT possible to use the interconnection cable as power supply for the indoor unit.
Drain tube heater cable Connection for power saving function (only for V3 models) Air thermistor cable "9.2.2 To reposition the air thermistor on the outdoor unit" [ 115]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Wires: 1N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 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 — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 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) — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ Connect the wires to the terminal block. ▪ Fix the cable with a cable tie. Wires: 3N+GND Maximum running current: Refer to name plate on unit. — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 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 — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 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) — EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
9.2.2 To reposition the air thermistor on the outdoor unit This procedure is only necessary in areas with low ambient temperatures. Required accessory (delivered with the unit): Thermistor fixture. Click EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
For the main zone: ▪ [2.9] Control ▪ [2.A] Ext thermostat type For the additional zone: ▪ [3.A] Ext thermostat type ▪ [3.9] (read-only) Control EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
To have easier access to the switch box itself and the routing of cables the switch box can be lowered (see "7.2.6 To open the indoor unit" [ 73]). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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All cables which will be connected to the switch box of the ECH O must be fixed by strain relief. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
2 Connect the main power supply. In case of normal kWh rate power supply Interconnection cable Wires: (3+GND)×1.5 mm² Power supply indoor Wires: 1N+GND unit Maximum running current: 6.3 A EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Preferential kWh rate power supply contact: 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [9.8] Benefit kWh power supply EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
[9.3] Backup heater WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Z less than or equal to Z Connect the backup heater power supply as follows: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1N~, 50 Hz 230 V AC Model (power supply) Connections to backup heater power supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
1 Open the following (see "7.2.6 To open the indoor unit" [ 73]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. NOTICE Wiring is different for a NC (normally closed) valve and a NO (normally open) valve. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
3 Switch box cover 4 Top cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
3 Switch box cover 4 Top cover 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
3 Switch box cover 4 Top cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
"7.2.6 To open the indoor unit" [ 73]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 2 Install the switch box metal insert. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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4 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 118]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
X 5M 3 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 118]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
([9.A.2] Electricity meter 2 = None) In case of low voltage Smart Grid contacts Wires (Smart Grid pulse meter): 0.5 mm² Wires (low voltage Smart Grid contacts): 0.5 mm² EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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2 Fix the cables with cable ties to the cable tie mountings. In case of high voltage Smart Grid contacts Wires (Smart Grid pulse meter): 0.5 mm² Wires (high voltage Smart Grid contacts): 1 mm² EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1 Install the switch box metal insert. 2 Loosen the cables connected to the terminal of the Smart Grid relay kit (EKRELSG) and remove the terminal. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Electrical installation 3 Install the components of the Smart Grid relay kit as follows: 2× 2× EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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X15M.6 4 Connect the low voltage wiring as follows: 9 10 X 5M.10 X 5M X 5M.9 5 Connect the high voltage wiring as follows: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
9.3.14 To connect the WLAN cartridge (delivered as accessory) [D] Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
9.3.16 To connect the DHW output Wires: 2×0.75 mm² Maximum running current: 0.3 A, 230 V AC — 1 Open the following (see "7.2.6 To open the indoor unit" [ 73]): EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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0,3 A - 230 V AC 3 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 118]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
First time – Configuration wizard. When you turn ON the user interface for the first time (via the unit), the configuration wizard starts to help you configure the system. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating Outdoor / quiet mode Measured outdoor temperature Quiet mode active Outdoor unit EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Shows the applicable symbol of your unit. cooling Put the unit in heating mode or cooling mode. You cannot change the mode on heating only models. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
The setpoint screen is displayed for screens describing system components that need a setpoint value. Examples [1] Room temperature screen [2] Main zone screen °C °C – – Room Main zone EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Selected setting and value Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. Confirm changes and proceed. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
To clear the content of the week schedule 1 Select the name of the current schedule. User defined 1 2 Select Delete. Delete Rename Select 3 Select OK to confirm. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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5 Repeat this action for all other weekdays. — User defined 1 To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The schedule name can contain up to 15 characters. 5 Confirm the new name. INFORMATION Not all schedules can be renamed. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Examples Weather-dependent curve when slope is selected: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The icon corresponds to the heat emitter for that zone: ▪ : Underfloor heating ▪ : Fan coil unit ▪ : Radiator ▪ : Storage tank EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Go to … Main zone – Heating [2.5] Main zone > Heating WD curve Main zone – Cooling [2.6] Main zone > Cooling WD curve EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
No: Room temperature is directly controlled by the user. ▪ Yes: Room temperature is controlled by a schedule and can be modified by the user. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Antifrost function via the backup heater. If the backup heater is not allowed for room frost protection during a U4 error, the room Antifrost setting MUST be disabled. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Room frost protection is guaranteed by the normal logic. ▪ The external room thermostat is "Thermo ON" In case of 2 leaving water temperature zones: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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NOTICE When adjusting the room temperature ranges, all desired room temperatures are also adjusted to guarantee they are between the limits. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
[9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 10.5.3 Main zone Overview The following items are listed in the submenu: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.3.7 Schedule screen: Example" [ 154]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.3.7 Schedule screen: Example" [ 154]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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): EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Example underfloor heating: 40–5/2=37.5°C To compensate, you can: ▪ Increase the weather-dependent curve desired temperatures [2.5]. ▪ Enable leaving water temperature modulation and increase the maximum modulation [2.C]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 3°C~10°C Leaving water temperature: Modulation Only applicable in case of room thermostat control. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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See the illustration below. +[8-06] −[8-06] a Weather-dependent curve b Minimum leaving water temperature setpoint required to reach a stable condition on the comfort setpoint for the room. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The weather-dependent curve can be defined using the 2-points method or the Slope-Offset method. "10.4.2 2-points curve" [ 158] and "10.4.3 Slope-offset curve" [ 159]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
154]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [ 169]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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): EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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2: Radiator The setting of the emitter type has an influence on the space heating setpoint range and the target delta T in heating as follows: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "10.5.3 Main zone" [ 167]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
2-points ▪ Slope-Offset 10.5.5 Space heating/cooling INFORMATION Cooling is only applicable in case of reversible models. Overview The following items are listed in the submenu: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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While the unit is in operation, the status indicator will light up blue constantly. To set the space operation mode 1 Go to [4.1]: Space heating/cooling > Operation mode EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The space operation only changes from heating to cooling when the room temperature rises above the desired cooling temperature added by the hysteresis value. ▪ Range: 1°C~10°C EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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ON or OFF condition. Remark: Continuous pump operation requires more energy than sample or request pump operation. a Space heating/cooling control b Off c On d Pump operation EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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In this part of the menu it can be read out which type of unit is used: Code Description [4.6] [E‑02] Unit type: ▪ 0 Reversible ▪ 1 Heating only EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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6: 80% pump speed during sampling ▪ 7: 70% pump speed during sampling ▪ 8: 60% pump speed during sampling The maximum values depend on the unit type: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Use this setting to compensate for possible heat losses of the building due to the evaporation of melted ice or snow. (e.g. in cold region countries). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "10.5.2 Room" [ 163]. 10.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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When powerful operation is active, the risk of space heating/cooling and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long space heating/cooling interruptions will happen. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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During disinfection of the water inside the domestic hot water heat exchanger coil by periodically heating storage tank specific temperature, DHW temperature can exceed this maximum temperature. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Maximum heat pump temperature at sensor in storage tank HP MAX Heat pump OFF temperature (T −[6-01]) HP OFF HP MAX Heat pump ON temperature (T −[6-00]) HP ON HP OFF EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
[7] User settings Space heating/cooling 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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ Select On. 2 Set the first day of your holiday. — ▪ Go to [7.3.2]: From. ▪ Select a date. ▪ Confirm the changes. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ You have programmed a quiet mode schedule: During the night: Most quiet. During the day: Off to ensure the heating/cooling capacity of the system. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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INFORMATION Price value ranging from 0.00~990 valuta/kWh (with 2 significant values). INFORMATION If no schedule is set, the Electricity price for High is taken into account. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Renewable heat incentive per kWh Calculation of the gas price Gas price=Actual gas price+(Incentive/kWh×0.9) Gas price=4.08+(5×0.9) Gas price=8.58 Calculation of the electricity price Electricity price=Actual electricity price+Incentive/kWh EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Reset the configuration settings stored in the MMI (user interface of the indoor unit). Example: Energy meterings, holiday settings. INFORMATION This does not reset the configuration settings and field settings of the indoor unit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Return water temperature [°C] Storage tank temperature [°C] Ambient temperature [°C] Leaving water temperature after storage tank [°C] Water pressure [bar] Water volume flow rate [l/min] EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
[8.B] Piping diagram Real-time sensor and actuator information of the main system components 10.5.9 Installer settings Overview The following items are listed in the submenu: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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This setting is read only. Code Description [9.2.1] [E‑05] ▪ Integrated [E‑06] The backup heater will also be used for domestic hot water heating. [E‑07] EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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When measuring the resistance value of each heater, you can set the exact heater capacity and this will lead to more accurate energy data. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If the storage temperature setpoint is higher than 50°C and no auxiliary boiler is installed, 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 storage tank.
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The backup heater will ONLY assist if you increase the equilibrium temperature [5‑01] to the required ambient temperature you need to reach the higher setpoint. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Malfunctioning main menu screen. To keep energy consumption low, we recommend to set Emergency to auto SH reduced/DHW off if the house is unattended for longer periods. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If NOT set correctly, the liquid in the piping can freeze. Code Description [E-0D] Glycol Filled system: Is the system filled with glycol? ▪ 0: No ▪ 1: Yes EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1 Heat pump domestic water heating mode (1=active, 0=not active) 2 Hot water request for heat pump (1=request, 0=no request) t Time [8-04]: Additional timer at [4-02]/[F-01] EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Range: 0~95 minutes Water pipe freeze prevention Only relevant for installations with water piping outdoors. This function tries to protect outdoor water piping from freezing. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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In case of room buffering, the room will heat up or cool down to the comfort setpoint. In case of tank buffering, the tank will heat up to the maximum tank temperature. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Restriction: Only applicable if [9.8.4] is NOT set to Smart grid. Allow pump: ▪ 0 No: Pump is forced off ▪ 1 Yes: No limitation EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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See also below table (Smart Grid operation modes). [9.8.6] Restriction: Only applicable if [9.8.4]=Smart grid. To set if electrical heaters are allowed. Allow electrical heaters: ▪ ▪ EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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2 Inputs: Enabled: You can set up to four different power limitation values (in A or kW) to which the system power consumption will be limited when the corresponding digital input asks. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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(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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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(based on energy efficiency and operating temperatures) the auxiliary boiler provides heat for domestic hot water, while the heat pump continues to provide heat for the space heating circuit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Lower values of the PE factor result in increased use of the heat pump. Higher values of the PE factor result in increased use of the auxiliary boiler. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1: Yes Forced defrost Forced defrost Manually start a defrost operation. Code Description [9.H] Do you want to start a defrost operation? ▪ Back ▪ EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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This energy can either be provided by a solar system or an auxiliary boiler connected to the storage tank. The latter is desirable, if the auxiliary heater EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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The tank free energy hysteresis defines the storage tank limit temperature, above which heat pump and boiler is stopped in case solar energy is provided and solar priority is active ([C‑00]=0). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1 No: The auxiliary boiler is too small to cover the building demand and is used solely as backup heat source. Therefore, the heat pump is the only available primary heat source. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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▪ 1 No: Heat pump and boiler can operate also while solar energy is provided. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Additional zone pump fixed PWM The speed of the additional zone pump can be fixed with this setting. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
The user can then control the system via the ONECTA app. This needs the following components in case of WLAN cartridge: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Reboot: Reboot the WLAN cartridge/module. Code Description [D.2] Reboot the gateway: ▪ Back ▪ WPS: Connect the WLAN cartridge/module to the router. Code Description [D.3] WPS: ▪ ▪ EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Connected to [WLAN_SSID] Cloud connection: Read out the status of the connection to the cloud. Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
(**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Mixing valve turning time (*) Only applicable in Swedish language. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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 commissioning and hand-over to the user.
There are NO loose connections or damaged electrical components in the switch box. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
. If the flow rate is too low: — ▪ Do air purge. ▪ Check the function of the valve motor of M1S and M2S. Replace the valve motor if necessary. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Finally open the two manual air purging valves and check if the circuit is sufficiently filled with water. The air purge function automatically stops after 30 minutes. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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To change these settings during the air purge, open the menu and go to [A.3.1.5]: Settings. ▪ Scroll to Circuit and set it to Space/Tank. ▪ Scroll to Pump speed and set it to Low/High. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Result: The test run starts. It stops automatically when ready (±30 min). To stop the test run manually: — 1 In the menu, go to Stop test run. 2 Select OK to confirm. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Make sure that all air is purged before executing the test run. Also avoid disturbances in the water circuit during the test run. ▪ Shut off valve test EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
1 the duration in hours, up to 72 hours, 2 the desired leaving water temperature, up to 55°C. Example: 24h (1) 36h (2) 35°C (2) 25°C (1) T Desired leaving water temperature (15~55°C) EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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[D‑01]=0 ▪ [4‑08]=0 ▪ [4‑01]≠1 Steps Conditions: An underfloor heating screed dryout schedule has been programmed. "To program an underfloor heating screed dryout schedule" [ 244]. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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When the program is stopped due to an error, an operation switch-off, or a power failure, you can read out the underfloor heating screed dryout status: 1 Go to [A.4.3]: Commissioning > UFH screed dryout > Status EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
[C-02] set to 0. HINT: If field code [C-02] is set to 0 and no backup heater is connected, error UA 17 is output at AL 3 * ECH2O. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Storage tank water level 13.3.4 Yearly maintenance indoor unit: instructions Water pressure – Space heating/cooling circuit Keep water pressure above 1 bar. If it is lower, add water. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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2 Switch box 2 Check if the red level indicator is visible. If NOT, add water to the storage tank (see "8.2.8 To fill the storage tank" [ 101]). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Maintenance and service EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring. 14.2 Precautions when troubleshooting DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
In some cases, it is normal that the unit decides to use a low water flow. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Forced off contact. If Forced off contact is On, the unit is operating under the preferential kWh rate. Wait for the power to return (maximum 2 hours). EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
14.3.7 Symptom: The pressure relief valve opens Possible causes Corrective action The valve (if equipped) of the water Open the valve. circuit towards the expansion vessel is closed. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
This should be done by a licensed installer or by your local dealer. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Entering water temperature thermistor abnormality (indoor unit) 81-07 Mixed leaving water temperature after the tank thermistor abnormality (DLWA2) 89-01 Heat exchanger freeze-up protection activated during defrost (error) EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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High pressure sensor abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor E6-00 OU: Compressor startup defect E7-00 OU: Malfunction of outdoor unit fan motor EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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OU: Malfunction of high pressure sensor JC-00 Low pressure sensor abnormality JC-01 Evaporator pressure abnormality L1-00 Malfunction of INV PCB L3-00 OU: Electrical box temperature rise problem EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Indoor unit [version_IU_modelname] compatibility error U8-11 Connection with the Wireless gateway lost UA-00 Indoor unit, outdoor unit matching problem UA-17 Tank type problem UA-59 HPSU/Hydro combination abnormality EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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If the software is not successfully updated then you must make sure that your USB device has the FAT32 format. INFORMATION The user interface will display how to reset an error code. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
"7.3.6 To install the discharge grille" [ 80] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [ 82] 1 Make sure the unit is not running. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
When power is ON, this has to be done by using the recovery mode. Components To activate/deactivate the recovery mode, you need the following components: EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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= OFF, = ON, and = flashing. Result: The recovery mode is activated. The unit opens the electronic expansion valves / solenoid valves. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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/ solenoid valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Connection cover b Screw plug 3 Insert the screw plug into the fill and drain kit and secure with the clip contained in the option kit. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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1 Place an appropriate tray under the drain connection to collect water spillage. 2 Open the screw plug and remove the sealing plug and IMMEDIATELY close with the previously prepared screw plug with drain connection. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Sealing plug c Fill and drain kit 5 Open the valve of the fill and drain kit. 6 Switch the drain connection valve to standard position. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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...
Height of obstacles B and D NOT allowed NOTICE Cascading outdoor units. Installation layouts with multiple outdoor units in combination with floor-standing indoor units are NOT allowed. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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 EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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# Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit Thermal protector backup heater # Safety thermostat Q*DI # Earth leakage circuit breaker EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Alarm output Alarm output BUH option Backup heater option BUH option only for * Backup heater option only for * Bizone mixing kit Bizone mixing kit EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Space C/H On/OFF output Space cooling/heating On/OFF output SWB1 Switch box (4) Option PCBs (4) Option PCBs Only for demand PCB option Only for demand PCB option EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Only for wireless On/OFF thermostat Only for wireless On/OFF thermostat (6) Backup heater power supply (6) Backup heater power supply Only for *** Only for *** SWB2 Switch box EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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Power limitation user interface A8P: X801M: 4-5 communication demand input 4 signal 2 core 2x0.75 Only for LAN adapter A13P: P1-P2 user interface communication 4D132247 B EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
See also the minimum and maximum allowed water flow range in the technical specifications. ▪ Make sure water quality complies with EU directive 2020/2184. EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
Max. operating pressure PMS (drinking water installation) m Nominal voltage U n Rated current of fuse o Protection type p Backup heater (optional) q Part number r Revision EPRA14~18D + ETSH/X(B)16P30+50E Installer reference guide Daikin Altherma 3 H HT ECH₂O 4P679467-1B – 2022.09...
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.
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4/19 Field settings table Breadcrumb Setting name Range, step Default value [0-04] Leaving water value for high ambient temp. for LWT add zone [9-07]~[9-08]°C, step: 1°C cooling WD curve. [2-0C]=0 18°C [2-0C]=1 7°C [2-0C]=2 18°C [0-05] Leaving water value for low ambient temp. for LWT add zone [9-07]~[9-08]°C, step: 1°C cooling WD curve.
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5/19 Field settings table Breadcrumb Setting name Range, step Default value [D-03] Increase around 0°C 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 [9-04] Overshoot 1~4°C, step: 1°C 1°C (*10) 2°C (*9) [2-06]...
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6/19 Field settings table Breadcrumb Setting name Range, step Default value 7.5.1 High 0,00~990/kWh 1/kWh 7.5.2 Medium 0,00~990/kWh 1/kWh 7.5.3 0,00~990/kWh 1/kWh User settings Gas price 0,00~990/kWh 0,00~290/MBtu 1,0/kWh Installer settings └─ Configuration wizard └─ System 9.1.3.2 [E-03] BUH type 0: no heater (*7) 2: 3V (*4) 3: 6V (*5)
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7/19 Field settings table Breadcrumb Setting name Range, step Default value 9.1.6 [1-01] High ambient temp. for LWT main zone heating WD curve. 10~25°C, step: 1°C 15°C 9.1.6 [1-02] Leaving water value for low ambient temp. for LWT main zone [9-01]~[9-00], step: 1°C heating WD curve.
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8/19 Field settings table Breadcrumb Setting name Range, step 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 0: Reheat only 3 scheduled reheat 9.1.B.2 [6-0A] Comfort setpoint...
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9/19 Field settings table Breadcrumb Setting name Range, step Default value 9.5.2 [7-06] HP forced OFF 0: Disabled 1: Enabled └─ Balancing 9.6.1 [5-02] Space heating priority 0: Disabled 1: Enabled 9.6.2 [5-03] Priority temperature -15~35°C, step: 1°C 0°C 9.6.3 [5-04] Offset BSH setpoint 0~20°C, step: 1°C...
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10/19 Field settings table Breadcrumb Setting name Range, step Default value 9.9.F [7-07] BBR16 activation* 0: No *BBR16 settings are only visible when the language of the user 1: Yes interface is set to Swedish. └─ Energy metering 9.A.1 [D-08] Electricity meter 1 0: No 1: 0,1 pulse/kWh...
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11/19 Field settings table Breadcrumb Setting name Range, step Default value [0-03] Low ambient temp. for LWT add zone heating WD curve. -40~5°C, step: 1°C -15°C [0-04] Leaving water value for high ambient temp. for LWT add zone [9-07]~[9-08]°C, step: 1°C cooling WD curve.
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12/19 Field settings table Breadcrumb Setting name Range, step Default value [1-0B] What is the desired delta T in heating for the main zone? R/W(*10) 3~10°C, step: 1°C (*9) [2-0D]=2 3~12°C, step: 1°C (*10) R/O (*9) [2-0C] ≠ 2 (Radiator) 5°C [2-0C] = 2 (Radiator) 10°C...
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13/19 Field settings table Breadcrumb Setting name Range, step Default value [3-0D] In case a bizone kit is installed, antiblockage of kit pump(s) and kit 0: Disabled (*10) mixing valve 1: Enabled [4-00] What is the BUH operation mode? 0: Restricted 1: Allowed 2: Only DHW [4-01]...
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14/19 Field settings table Breadcrumb Setting name Range, step Default value [5-0D] Backup heater voltage 0: 230V, 1~ (*4, *5, *7) 2: 400V, 3~ (*6) [5-0E] [6-00] The temperature difference determining the heat pump ON 2~40°C, step: 1°C temperature. 8°C [6-01] The temperature difference determining the heat pump OFF 0~10°C, step: 1°C...
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15/19 Field settings table Breadcrumb Setting name Range, step Default value [8-01] Maximum running time for domestic hot water operation. 5~95 min, step: 5 min 30 min [8-02] Anti-recycling time. 0~10 hour, step: 0,5 hour 0,5 hour [8-03] Booster heater delay timer. 20~95 min, step: 5 min 50 min [8-04]...
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16/19 Field settings table Breadcrumb Setting name Range, step Default value [C-02] Is an external backup heat source connected? 0: Off 1: Direct (SH) 2: Indirect (DHW) (*3) 3: Indirect (DHW + SH) [C-03] Bivalent activation temperature. -25~25°C, step: 1°C 0°C [C-04] Bivalent hysteresis temperature.
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17/19 Field settings table Breadcrumb Setting name Range, step Default value [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 (*1) 0: Reversible (*1) R/O (*2) 1: Heating only (*2)
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18/19 Field settings table Breadcrumb Setting name Range, step Default value Bi-zone kit settings 9.P.1 [E-0B] Bi-zone kit installed 0: not installed 1: - 2: Bizone kit installed 9.P.2 [E-0C] Bi-zone system type 0: Without hydraulic separator / no direct pump 1: With hydraulic separator / no direct pump 2: With hydraulic separator / with direct...