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Daikin ETVH16UE6V7 Installer's Reference Manual

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EPRA14D▲V3▼
EPRA16D▲V3▼
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EPRA14D▲W1▼
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Installer reference guide
Daikin Altherma 3 H HT F
https://daikintechnicaldatahub.eu
ETVH16SU18E▲6V▼
ETVH16SU23E▲6V▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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Summary of Contents for Daikin ETVH16UE6V7

  • Page 1 Installer reference guide Daikin Altherma 3 H HT F https://daikintechnicaldatahub.eu ▲= 1, 2, 3, …, 9, A, B, C, …, Z EPRA14D▲V3▼ ETVH16SU18E▲6V▼ ▼= , , 1, 2, 3, …, 9 EPRA16D▲V3▼ ETVH16SU23E▲6V▼ EPRA18D▲V3▼ EPRA14D▲W1▼ EPRA16D▲W1▼ EPRA18D▲W1▼...

  • Page 2: Table Of Contents

    Installation site requirements of the outdoor unit..................64 7.1.2 Additional installation site requirements of the outdoor unit in cold climates..........67 7.1.3 Installation site requirements of the indoor unit ..................67 Installer reference guide EPRA14~18D + ETVH16SU18+23E Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 3 After connecting the electrical wiring to the indoor unit ....................136 10 Configuration 10.1 Overview: Configuration..............................138 10.1.1 To access the most used commands ......................139 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 4 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 + ETVH16SU18+23E Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 5 Test results in accordance with EN12897 (2016) ..................288 16.6.2 Warning label..............................288 16.7 ESP curve: Indoor unit..............................291 17 Glossary 18 Field settings table EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 6: About This Document

    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) ▪...

  • Page 7: Meaning Of Warnings And Symbols

    About this document 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 9 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 10: General Safety Precautions

    WARNING 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 unless otherwise specified. 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

    ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 12 ONLY use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 13: Water

    If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 14 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 16: 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. Opening and closing the units (see "7.2 Opening and closing the...
  • Page 17 ▪ Do NOT install shut-off valves between the expansion relief valve and the domestic hot water tank. In case of freeze protection by glycol: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 18 ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 19 Details of type and rating of fuses, or rating of circuit breakers are described in "9 Electrical installation" [  104]. Configuration (see "10 Configuration" [  138]) CAUTION The disinfection function settings MUST be configured by the installer according to the applicable legislation. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 20 Make sure to open the valve (if equipped) towards the expansion vessel, otherwise the overpressure will be generated. Troubleshooting (see "14 Troubleshooting" [  253]) DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 21 See: ▪ "7.3.6 To install the discharge grille" [  78] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  79] EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 22: About The Box

    To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. Crane Keep the slings within the marked area to not damage the unit. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 23 After unpacking, carry the unit using the slings attached to the unit. See also: ▪ "4.1.2 To unpack the outdoor unit" [  24] ▪ "7.3.4 To install the outdoor unit" [  75] EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 24: To Unpack The Outdoor Unit

    About the box ±150 4× 4.1.2 To unpack the outdoor unit EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 25: To Remove The Accessories From The Outdoor Unit

    Installation manual – Discharge grille NOTICE Unpacking. When you remove the top packaging/accessories, hold the box containing the discharge grille to prevent it from falling. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 26: Indoor Unit

    Sealing tape for low voltage wiring intake 4.2.3 To handle the indoor unit Use the handles at the back and at the bottom to carry the unit. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 27: Domestic Hot Water Tank Kit

    For installation compliant with section G3 of the Building Regulations, you must verify that the following accessories are present. Delivered with indoor unit: Tundish 15 mm inlet, 22 mm outlet EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 28 Adaptor 22 mm×3/4" Female BSP T-piece 22 mm×22 mm×22 mm Tundish 15 mm inlet, 22 mm outlet Wall mounting set for expansion vessel Instruction sheet Expansion vessel of 18 l – 3/4" Male BSP EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 29: About The Units And Options

    European hydro-split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series Power supply Model series EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 30: Identification Label: Indoor Unit

    In colder regions where heavy snowfall can occur, it is recommended to install the outdoor unit on a mounting frame. Use one of the following models: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 31: Possible Options For The Indoor Unit

    (BRC1HHDA used as room thermostat) will be used as room temperature sensor. As an option the remote indoor sensor can be installed to measure the room temperature on another location. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 32 LAN adapter for smartphone control (BRP069A62) You can install this LAN adapter to control the system via a smartphone app. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 33 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" [  132]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 34: Application Guidelines

    Setting up the domestic hot water tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 35: Setting Up The Space Heating/Cooling System

    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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 36: 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 37 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 38 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 39 ▪ 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 40: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 41 ▪ For more information about connecting the electrical wiring to the unit, see: "9.2 Connections to the outdoor unit" [  109] "9.3 Connections to the indoor unit" [  117] EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 42 ▪ For more information about connecting the electrical wiring to the unit, see: "9.2 Connections to the outdoor unit" [  109] "9.3 Connections to the indoor unit" [  117] EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 43 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) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 44: Multiple Rooms - Two Lwt Zones

    Main zone = Zone with the lowest design temperature in heating, and the highest design temperature in cooling ▪ Additional zone = Zone with the highest design temperature in heating, and the lowest design temperature in cooling EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 45 (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: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 46 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 47 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 48 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 49: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 50 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 70°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 70°C.

  • Page 51: Setting Up The Domestic Hot Water Tank

    6.4 Setting up the domestic hot water tank 6.4.1 System layout – Integrated DHW tank A Domestic hot water a Cold water IN b Hot water OUT EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 52: Selecting The Volume And Desired Temperature For The Dhw Tank

    Then V =307 l DHW consumption (equivalent hot water volume at 40°C) Required DHW tank volume if only heated once DHW tank temperature Cold water temperature EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 53: Setup And Configuration - Dhw Tank

    Thermodynamic cycle of the heat pump Electrical backup heater ▪ For more information about optimizing the energy consumption for producing domestic hot water, see "10 Configuration" [  138]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 54: Dhw Pump For Instant Hot Water

    The DHW pump is field-supplied and its installation is the responsibility of the installer. For the electrical wiring, see "9.3.5 To connect the domestic hot water pump" [  126]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 55: Setting Up The Energy Metering

    If glycol is present in the system ([E‑0D]=1]), then the produced heat will NOT be calculated, nor will it be displayed on the user interface. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 56: Consumed Energy

    One power meter that covers the entire system is sufficient. Setup Connect the power meter to X5M/5 and X5M/6. See "9.3.4  To connect the electricity meters" [  125]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 57 In the software the power consumption data of both meters is added so you do NOT have to set which meter covers which power consumption. You only need to set the number of pulses of each power meter. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 58: 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" [  214]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 59: Permanent Power Limitation

    DHW production. Power input t Time DI Digital input (power limitation level) a Power limitation active b Actual power input EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 60: 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 61: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 62: Bbr16 Power Limitation

    You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 63 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 64: Unit Installation

    7.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the precautions and requirements in the "2  General safety precautions" [  10]. Mind the spacing guidelines. See "16.1 Service space: Outdoor unit" [  272]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 65 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 66 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D –...

  • Page 67: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Precise water piping length can be determined using the Hydronic Piping Calculation tool. The Hydronic Piping Calculation tool is part of the Heating Solutions Navigator which can be reached via https://professional.standbyme.daikin.eu. Please contact your dealer if you have no access to Heating Solutions Navigator.

  • Page 68: Opening And Closing The Units

    Do NOT leave the unit unattended when the service cover is removed. 7.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 69: To Remove The Transportation Stay

    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" [  68]. a Transportation stay b Nut EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 70: To Attach The Compressor Cover Piece

    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" [  69]). EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 71: To Close The Outdoor Unit

    Open 1 Remove the top panel. 5× 2 Remove the user interface panel. Open the hinges at the top and slide the top panel upwards. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 72 ▪ When you need access to the high voltage switch box 2× 5 If you need access to the high voltage components, remove the high voltage switch box cover. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 73: To Lower The Switch Box On The Indoor Unit

    2 Tilt the switch box to the front and lift it out of its hinges. 2× 3 Place the switch box lower on the unit. Use the 2 hinges located lower on the unit. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 74: To Close The Indoor Unit

    Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise. Fix the unit securely by means of foundation bolts in accordance with the foundation drawing. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 75: To Install The Outdoor Unit

    Make sure not to cover the drain hole in the bottom plate of the unit. 7.3.4 To install the outdoor unit CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 76: To Provide Drainage

    Make sure that condensation water can be evacuated properly. ▪ Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 77 Use the drain plug (with O-ring) and a hose for drainage. a Drain hole b O-ring (delivered as accessory) c Drain plug (delivered as accessory) d Hose (field supply) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 78: To Install The Discharge Grille

    4 Align and attach the left side. 5 Align and attach the middle part. 6 Align and attach the right side. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 79: To Remove The Discharge Grille, And Put The Grille In Safety Position

     78] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  79] 1 Remove the upper part of the discharge grille. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 80 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 81: Mounting The Indoor Unit

    3 Slide the indoor unit into position. 4 Adjust the height of the leveling feet to compensate for floor irregularities. The maximum allowed deviation is 1°. ≤1° EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 82: To Connect The Drain Hose To The Drain

    4 Reattach the side panel. Ensure the water can flow through the drain tube. It is recommended to use a tundish to collect the water. Option 1: Through the left side panel 3× EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 83 Unit installation Option 2: Through the right side panel 3× EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 84: Piping Installation

    Deformation of the piping can cause malfunctioning of the unit. ▪ Connecting piping – Tools. Only use appropriate tooling to handle brass, which is a soft material. If NOT, pipes will get damaged. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 85 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 86 Two automatic air purges are provided in the indoor unit. Check that the air purges are NOT tightened too much, so that automatic release of air in the water circuit is possible. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 87 (>95°C) in the domestic hot water tank. ▪ Thermostatic mixing valves. In accordance with the applicable legislation, it may be necessary to install thermostatic mixing valves. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 88: Formula To Calculate The Expansion Vessel Pre-Pressure

    When circulation in each space heating/cooling loop is controlled by remotely controlled valves, it is important that the minimum water volume is guaranteed, even if all of the valves are closed. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 89 The pre-pressure should decrease by 0.1 bar for each metre below 7 m. ▪ Check if the water volume does exceed maximum allowed water volume. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 90: Changing The Pre-Pressure Of The Expansion Vessel

    "11.4  Checklist during commissioning" [  234]. 8.1.4 Changing the pre-pressure of the expansion vessel NOTICE ONLY a licensed installer may adjust the pre-pressure of the expansion vessel. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 91: To Check The Water Volume: Examples

    8.2 Connecting water piping 8.2.1 About connecting the water piping Before connecting the water piping Make sure the outdoor and indoor unit are mounted. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 92: Precautions When Connecting The Water Piping

    1") d Thread sealant 2 Connect the field piping to the shut-off valve. 3 Connect the field piping to the outdoor unit water outlet. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 93 ▪ However, make sure there is no valve between the pressure relief valve (delivered with the domestic hot water tank kit) and the DHW tank. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 94 "8.1.3  To check the water volume and flow rate"  [   88] and "11.4.1 Minimum flow rate" [  234]. NOTICE Install air purge valves at all local high points. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 95: To Connect The Water Piping For Domestic Hot Water

    Tundish 15 mm inlet, 22 mm outlet 1 Pre-assemble the adaptor and expansion vessel so that the expansion vessel is ready for installation. 2 Mount the expansion vessel to the wall. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 96 The following example shows discharge below fixed grating (Building Regulation G3 section 3.61 gives alternative points of discharge): EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 97 Do NOT install any valves between the domestic hot water tank and relief valves/ expansion vessel. ▪ Do NOT install shut-off valves between the expansion relief valve and the domestic hot water tank. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 98: To Connect The Recirculation Piping

    ▪ Water pipe freeze prevention (see "Water pipe freeze prevention" [  209]), EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 99 The types of glycol that can be used depend on whether the system contains a domestic hot water tank: If… Then… The system contains a domestic hot Only use propylene glycol water tank EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 100 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 101 NOT insulate the inlet and outlet (release) of these valves. ▪ Do NOT make traps in the field piping. >10 cm >15 cm EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 102: To Fill The Domestic Hot Water Tank

    The Hydronic Piping Calculation tool also calculates the maximum hydronic piping length from the indoor unit to the outdoor unit based on the emitter pressure drop or the other way around. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 103 Piping installation 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 104: Electrical Installation

    ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 105: Guidelines When Connecting The Electrical Wiring

    To prepare stranded conductor wire for installation Method 1: Twisting conductor EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 106 Curled wire (single-core or twisted stranded conductor wire) b Screw c Flat washer Stranded conductor wire with round crimp-style terminal a Terminal b Screw c Flat washer Allowed NOT allowed EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 107: About Electrical Compliance

    The indoor unit is designed to receive an input signal by which the unit switches into forced OFF mode. At that moment, the outdoor unit compressor will NOT operate. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 108: Overview Of Electrical Connections Except External Actuators

    5 Normal kWh rate power supply (to power the indoor unit PCB in the event of power supply interruption of the preferential kWh rate power supply) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 109: Connections To The Outdoor Unit

    1 Open the switch box cover. See "7.2.2 To open the outdoor unit" [  68]. 2 Strip insulation (20 mm) from the wires. a Strip wire end to this point EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 110 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 111 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 112 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 113 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 114 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 115 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 116: To Reposition The Air Thermistor On The Outdoor Unit

    9.2.3 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 117: Connections To The Indoor Unit

    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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 118 ▪ 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 119 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 120: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 121 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 122: 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 123 Field wiring (see table below) Model (power supply) Connections to backup heater power supply *6V (6V3: 1N~ 230 V) (14) 8 (13) 7 Q1DI 1N~, 50 Hz 230 V AC EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 124: To Connect The Shut-Off Valve

    2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. NOTICE Wiring is different for a NC (normally closed) valve and a NO (normally open) valve. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 125: To Connect The Electricity Meters

    2 User interface panel 3 Upper switch box cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 126: To Connect The Domestic Hot Water Pump

    2 User interface panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 127: To Connect The Alarm Output

    2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. Wires connected to the alarm output Wire between X2M and A4P Installation of EKRP1HBAA is required. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 128: To Connect The Space Cooling/Heating On/Off Output

    Wires connected to the space cooling/heating ON/OFF output Wire between X2M and A4P Installation of EKRP1HBAA is required. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 129: To Connect The Changeover To External Heat Source

    2 User interface panel 3 Upper switch box cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 130: To Connect The Power Consumption Digital Inputs

    2 User interface panel 3 Upper switch box cover 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 131: 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 132: To Connect A Smart Grid

    Smart Grid relay kit (EKRELSG). The 2 incoming Smart Grid contacts can activate the following Smart Grid modes: Smart Grid contact Smart Grid operation mode Free running EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 133 1 Open the following (see "7.2.6 To open the indoor unit" [  71]): 1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the wiring as follows: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 134 Contact sides of relays e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace the jumper with the safety thermostat wires. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 135 1 2 3 4 X10M 5 6 9 10 2 Connect the low voltage wiring as follows: X5M.4 X5M.3 1314 3 Connect the high voltage wiring as follows: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 136: To Connect The Wlan Cartridge (Delivered As Accessory)

    9.4 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box, seal the low voltage wiring intake using the sealing tape (delivered as accessory). EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 137 Electrical installation Without low voltage cables With low voltage cables EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 138: Configuration

    First time – Configuration wizard. When you turn ON the user interface for the first time (via the unit), the configuration wizard starts to help you configure the system. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 139: To Access The Most Used Commands

    Confirm the pin code and proceed. Installer pin code The Installer pin code is 5678. Additional menu items and installer settings are now available. Installer 5678 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 140 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 141: 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] EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 142 Setpoint mode [2.4] Heating WD curve [2.5] (if applicable) Cooling WD curve [2.6] (if applicable) Schedule [2.1] WD curve type [2.E] Additional zone (only if [4.4]=1) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 143: Possible Screens

    Hysteresis [5.9] and [5.A] 10.3 Possible screens 10.3.1 Possible screens: Overview The most common screens are as follows: – a Home screen b Main menu screen EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 144: Home Screen

    Smart energy is available via solar panels or smart grid. Smart energy is currently being used for space heating. Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 145 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Measured room temperature Leaving water temperature setpoint Holiday mode Holiday mode active EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 146: 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" [  260] for more information. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 147: Menu Screen

    Restriction: Only displayed if a wireless LAN (WLAN) is installed. Contains settings needed when configuring the ONECTA app. 10.3.4 Menu screen Example: Language Time/date Holiday EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 148: Setpoint Screen

    Measured by the unit Desired temperature Turn the right dial to increase/ decrease. Submenu Turn or press the left dial to go to the submenu. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 149: Detailed Screen With Values

    5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. To go to the schedule 1 Go to [1.1]: Room > Schedule. 2 Set scheduling to Yes. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 150 Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. User defined 1 2 Select Edit. Delete Edit Copy EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 151 1 Select Monday. User defined 1 2 Select Copy. Delete Edit Copy Result: Next to the copied day, "C" is displayed. 3 Select Tuesday. User defined 1 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 152 8:00 21°C 23:00 18°C --:-- 4 Confirm the changes. 5 Select Saturday. 6 Select Copy. 7 Select Sunday. 8 Select Paste. Result: User defined 1 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 153: Weather-Dependent Curve

    EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 154: 2-Points Curve

    See "10.4.4 Using weather-dependent curves" [  156]. 10.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) Example EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 155: Slope-Offset Curve

    Examples Weather-dependent curve when slope is selected: Weather-dependent curve when offset is selected: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 156: Using Weather-Dependent Curves

    10.4.4 Using weather-dependent curves Configure weather-dependent curves as following: To define the setpoint mode To use the weather-dependent curve, you need to define the correct setpoint mode: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 157 You cannot configure the curve with temperatures that are higher or lower than the set maximum and minimum setpoints for that zone or for the tank. When the maximum or minimum setpoint is reached, the curve flattens out. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 158: Settings Menu

    To display the error code, open the menu screen and go to [0]  Malfunctioning. Press more information about the error. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 159: Room

    Example" [  149]. 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" [  149]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 160 Under leaving water temperature control, room frost protection is NOT guaranteed. However, if room antifrost [2‑06] is activated, limited frost protection by the unit is possible: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 161 ▪ Outdoor ambient temperature drops below 6°C ▪ the temperature setpoint of the leaving water will be lowered. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 162 When adjusting the room temperature ranges, all desired room temperatures are also adjusted to guarantee they are between the limits. Code Description [1.5.1] [3-07] Heating minimum [1.5.2] [3-06] Heating maximum [1.5.3] [3-09] Cooling minimum EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 163: Main Zone

    [9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 10.5.3 Main zone Overview The following items are listed in the submenu: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 164 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "10.3.7 Schedule screen: Example" [  149]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "10.3.7 Schedule screen: Example" [  149]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 165 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 166 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 167 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 168 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 169 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~68°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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 170 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 171 ▪ 3°C~10°C Leaving water temperature: Modulation Only applicable in case of room thermostat control. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 172 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 173 The weather-dependent curve can be defined using the 2-points method or the Slope-Offset method. "10.4.2 2-points curve" [  154] and "10.4.3 Slope-offset curve" [  155]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 174: Additional Zone

     149]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [  165]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 175 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 176 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 177 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "10.5.3 Main zone" [  163]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 178: Space Heating/Cooling

    This unit is a heating only model. Therefore, all references to cooling in this document are NOT applicable. Overview The following items are listed in the submenu: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 179 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 180 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 181 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 182 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 183 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 184 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 185 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 186 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 187: 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" [  159]. 10.5.6 Tank Overview The following items are listed in the submenu: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 188 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 189 The domestic hot water can be prepared in 3 different ways. They differ from each other by the way the desired tank temperature is set and how the unit acts upon it. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 190 ▪ 4: Thursday ▪ 5: Friday ▪ 6: Saturday ▪ 7: Sunday [5.7.3] [2‑02] Start time [5.7.4] [2‑03] Tank setpoint: 60°C [5.7.5] [2‑04] Duration: 40~60 minutes EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 191 The maximum temperature that users can select for the domestic hot water. You can use this setting to limit the temperatures at the hot water taps. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 192 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 193 The values indicated in the following graph are examples. For more details about the DHW operation range of this unit, see the technical data book. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 194 In [2.E] WD curve type, you can choose which method you want to use. In [5.E] WD curve type, the chosen method is shown read-only (same value as in [2.E]). EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 195: User Settings

    Setting the starting date and ending date of your holiday. To check if holiday mode is activated and/or running is displayed on the home screen, holiday mode is active. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 196 To use quiet mode 1 Go to [7.4.1]: User settings > Quiet > Mode. 2 Do one of the following: — EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 197 3 Define the restrictions (time + level) to be used after midday (PM): ▪ [7.4.4.4] PM Restricted time Example: From 3 p.m. to 7 p.m. ▪ [7.4.4.5] PM Restricted level Example: Most quiet EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 198 To set the electricity price 1 Go to [7.5.1]/[7.5.2]/[7.5.3]: User settings > Electricity price > High/Medium/Low. 2 Select the correct electricity price. 3 Confirm the changes. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 199 This is an example and the prices and/or values used in this example are NOT accurate. Data Price/kWh Gas price 4.08 Electricity price 12.49 Renewable heat incentive per kWh EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 200: Information

    INFORMATION This does not reset the configuration settings and field settings of the indoor unit. Code Description [8.A] Reset the MMI EEPROM to factory default EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 201: Installer Settings

    LAN adapter. [8.9] Running hours Running hours of specific system components 10.5.9 Installer settings Overview The following items are listed in the submenu: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 202 • [E-05]: Can the system prepare domestic hot water? • [E-06]: Is a domestic hot water tank installed in the system? • [E-07]: What kind of domestic hot water tank is installed? EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 203 ▪ 3: 6V Voltage This can be set to: 230V, 1ph 230V, 3ph Code Description [9.3.2] [5‑0D] ▪ 0: 230V, 1ph ▪ 1: 230V, 3ph EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 204 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 205 Backup heater operation: ▪ 0: Restricted ▪ 1: Allowed ▪ 2: Only DHW: Backup heater operation is enabled for domestic hot water and disabled for space heating. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 206 3: auto SH reduced/DHW off ▪ 4: auto SH normal/DHW off INFORMATION The auto emergency setting can be set in the menu structure of the user interface only. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 207 If the backup heater operation is limited ([4‑00]=0) and the outdoor temperature is lower than setting [5‑03], the domestic hot water will not be heated with the backup heater. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 208 [8-01]+ [8-01]+ [8-04] [8-04] [8-02] [8-02] [8-01] [8-01] [5-03] [4-02] [F-01] 35°C Ambient (outdoor) temperature t Time Anti-recycle timer Maximum running time domestic hot water EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 209 Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation ([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if enabled– will remain active. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 210 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 211 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 212 [D-00] back to 0, as the system does not have a booster heater. Only set [D-00] to the values in the table below: [D‑00] Backup heater Compressor Forced OFF Forced OFF Allowed EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 213 Emergency mode. In case emergency mode is active, buffering with electrical heater is NOT possible in Forced on and Recommended on operation modes. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 214 Limits when [9.9.1]=Inputs and [9.9.2]=kW: Code Description [9.9.9] [5-09] Limit 1: 0 kW~20 kW [9.9.A] [5-0A] Limit 2: 0 kW~20 kW [9.9.B] [5-0B] Limit 3: 0 kW~20 kW [9.9.C] [5-0C] Limit 4: 0 kW~20 kW EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 215 2 power meters with different pulse frequencies. If only 1 or no power meter is used, select 'None' to indicate the corresponding pulse input is NOT used. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 216 Remark: This value has only meaning in room thermostat control. Ext. amb. sensor offset ONLY applicable in case an external outdoor ambient sensor is connected and configured. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 217 OFF. Set this value in case an auxiliary boiler is used. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 218 See illustration below for the schematic location of this contact. OFF ON YC Y1 Y2 Y3 Y4 Code Description 9.C.3 [C-03] Range: –25°C~25°C (step: 1°C) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 219 Solar panels. If solar panels are used, set the electricity price value very low to promote the use of the heat pump. Code Description [7.5.1] User settings > Electricity price > High EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 220 When power returns after a power supply failure, the auto restart function reapplies the user interface settings at the time of the power failure. Therefore, it is recommended to always enable the function. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 221 Afterwards: An installer can manually disable the protective functions by setting [9.G]: Disable protections=Yes. After his work is done, he can enable the protective functions by setting [9.G]: Disable protections=No. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 222 (the user interface of the indoor unit). When troubleshooting, these settings can be provided to our Service department. Code Description [9.N] Your MMI settings will be exported to the connected storage device: ▪ Back ▪ EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 223 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 224 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) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 225: Commissioning

     232] 10.5.11 User profile [B] User profile: See "To change the user permission level" [  139]. [B] User profile Installer settings Commissioning User profile Operation Malfunctioning EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 226: Operation

    The user can then control the system via the ONECTA app. This needs the following components in case of WLAN cartridge: EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 227 Mode: Turn AP mode ON (= WLAN cartridge/module active as access point) or OFF. Code Description [D.1] Enable AP mode: ▪ ▪ Reboot: Reboot the WLAN cartridge/module. Code Description [D.2] Reboot the gateway: ▪ Back ▪ EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 228 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 229: Menu Structure: Overview User Settings

    (**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 230: 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 231 Configuration INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 232: Commissioning

    NOT applicable. 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.

  • Page 233: Precautions When Commissioning

    There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units. Backup heater circuit breaker F1B (field supply) is turned ON. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 234: Checklist During Commissioning

    — reach the minimum required flow rate + 2 l/min. During pump test run, the unit can operate below the minimum required flow rate. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 235: Air Purge Function

    3 In the menu, set Type = Manual. 4 Select Start air purge. 5 Select OK to confirm. Result: The air purge starts. It stops automatically when ready. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 236: Operation Test Run

    This timeframe is then used in the logic to activate the backup heater (see "Equilibrium" [  205]). When (part of) the emitters are closed, this might result in more frequent backup heater operation. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 237: Actuator Test Run

    Perform an actuator test run to confirm the operation of the different actuators. For example, when you select Pump, a test run of the pump will start. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 238: Underfloor Heating Screed Dryout

    The underfloor heating (UFH) screed dryout function is used for drying out the screed of an underfloor heating system during the construction of the building. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 239 Scroll through the schedule. ▪ Adjust the duration (between 1 and 72 hours) and temperatures (between 15°C and 55°C). 4 Press the left dial to save the schedule. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 240 2 Select OK to confirm. To read out the status of an underfloor heating screed dryout Conditions: You are performing an underfloor heating screed dryout. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 241 If the UFH screed dryout program was stopped due to a power failure and the power resumes, the program will automatically restart the last implemented step. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 242: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 243: Maintenance And Service

    PCB. 13.2 Yearly maintenance 13.2.1 Yearly maintenance outdoor unit: overview Check the following at least once a year: ▪ Heat exchanger ▪ Water filter EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 244: Yearly Maintenance Outdoor Unit: Instructions

    Temperature and pressure relief valve 13.2.4 Yearly maintenance indoor unit: instructions Water pressure Keep water pressure above 1 bar. If it is lower, add water. Magnetic filter/dirt separator EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 245 Dirty water coming out of the relief valve: open the valve until the discharged water does NOT contain dirt anymore flush the system It is recommended to do this maintenance more frequently. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 246 NOTICE When using means for descaling or chemical disinfection, make sure water quality still complies with EU directive 2020/2184. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 247: To Drain The Domestic Hot Water Tank

    The water in the tank can be very hot. Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 248: To Inspect The Inside Of The Domestic Hot Water Tank

    The water in the tank can be very hot. Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Close the cold water supply. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 249: About Cleaning The Water Filter In Case Of Trouble

    "7.2.6 To open the indoor unit" [  71] ▪ ▪ "7.2.7 To lower the switch box on the indoor unit" [  73] 2 Close the stop valves of the water circuit. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 250: To Clean The Water Filter In Case Of Trouble

    Opening the magnetic filter/dirt separator is ONLY required in case of severe issues. Preferably this action is never to be done during the complete lifetime of the magnetic filter/dirt separator. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 251: To Install The Water Filter

    3 Make sure that the air purge valve of the water filter is in the open position. 4 Open the valve (if equipped) of the water circuit towards the expansion vessel. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 252 Make sure to open the valve (if equipped) towards the expansion vessel, otherwise the overpressure will be generated. 5 Open the stop valves and add water to the water circuit if needed. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 253: Troubleshooting

    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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 254: Solving Problems Based On Symptoms

    In some cases, it is normal that the unit decides to use a low water flow. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 255: Symptom: Hot Water Does Not Reach The Desired Temperature

    Change the schedule to not start both disinfection) and space heating operation modes at the same moment. operation are scheduled to start at the same time. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 256: Symptom: The System Is Making Gurgling Noises After Commissioning

    If you cannot deblock the rotor of the pump with this method, you will need to disassemble the pump and turn the rotor by hand. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 257: Symptom: The Pump Is Making Noise (Cavitation)

    0 m. The maximum water circuit head is 10 m. Check the installation requirements. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 258: Symptom: The Water Pressure Relief Valve Leaks

    > Backup heater > Equilibrium temperature [5‑01] There is air in the system. Purge air manually or automatically. See the air purge function in the chapter "11 Commissioning" [  232]. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 259: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High

    The disinfection operation was stopped Do NOT stop tank operation during manually: [C.3] Operation > Tank was disinfection. turned off during disinfection. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 260: Solving Problems Based On Error Codes

    Water flow problem during heating/sampling 7H-06 Water flow problem during cooling/defrost 80-01 Entering water thermistor abnormality of outdoor unit 81-00 Leaving water temperature sensor problem EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 261 Leakage current detection error E3-00 OU: Actuation of high pressure switch (HPS) E3-24 High pressure sensor abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 262 Abnormality (outdoor unit) J6-33 Sensor communication error J8-00 Malfunction of refrigerant liquid thermistor JA-00 OU: Malfunction of high pressure sensor JC-00 Low pressure sensor abnormality EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 263 MMI/bizone kit communication problem U8-07 P1P2 communication error UA-00 Indoor unit, outdoor unit matching problem UA-16 Extension/hydro communication problem UA-17 Tank type problem UA-21 Extension/hydro mismatch problem EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 264 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 265: Disposal

    "7.3.6 To install the discharge grille" [  78] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  79] 1 Make sure the unit is not running. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 266: To Manually Open The Electronic Expansion Valves

    3 Turn the EEV magnet anticlockwise to the fully open position of the valve. If you are not sure about what the open position is, turn the valve in its middle position so that refrigerant can pass. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 267: Recovery Mode - In Case Of Epra-Dav3* And Epra-Daw1* Models (7-Leds Display)

    Press BS1 once. H1P keeps flashing, indicating that you are in a mode that does not allow compressor operation. = OFF, = ON, and = flashing. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 268 / 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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 269: Recovery Mode - In Case Of Epra-Dbw1* 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 270 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 271: Technical Data

    This unit is a heating only model. Therefore, all references to cooling in this document are NOT applicable. 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 272: Service Space: Outdoor Unit

    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 + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 273: Piping Diagram: Outdoor Unit

    Y3E Electronic expansion valve (injection) Y1S Solenoid valve (4-way valve) Y2S Solenoid valve (low pressure bypass) Y3S Solenoid valve (hot gas bypass) Y4S Solenoid valve (liquid injection) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 274: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 275: Wiring Diagram: Outdoor Unit

    Right side view See note *** See note *** Notes: Symbols: Live Neutral Protective earth Noiseless earth Field wiring Option Terminal strip Terminal Connector Connection EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 276 Push button switch C1~C4 (A1P, A2P) Capacitor DS1 (A1P) DIP switch Drain tube heater (field supply) E1HHEX~E3HHEX Plate heat exchanger heaters Field fuse (field supply) EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 277 High pressure sensor S1PH, S2PH High pressure switch S1PL Low pressure switch Current transfo TC (A2P) Signal transmission circuit V1D~V4D (A1P) Diode V1R (A1P) IGBT power module EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 278 K3R (A1P) Magnetic relay (Y3S) K4R (A1P) Magnetic relay (E1HC) K2M, K11M (A2P) Magnetic contactor L1R~L4R Reactor Compressor motor Fan motor PS (A2P) Switching power supply EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 279 Printed circuit board (ACS) BS1~BS3 (A1P) Push button switch C1~C619 (A1P) Capacitor DS1 (A1P) DIP switch Drain tube heater (field supply) E1HHEX Plate heat exchanger heater EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 280 High pressure switch S1PL Low pressure switch SEG* (A1P) 7-segment display Current transfo TC (A1P) Signal transmission circuit V1D~V3D (A1P) Diode V1R, V2R (A1P) Diode module EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 281 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 282: 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 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 283 Relay on PCB # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit PHC1 (A4P) * Optocoupler input circuit EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 284 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 *** EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 285 (7) Option PCBs Alarm output Alarm output Changeover to ext. heat source Changeover to external heat source Max. load Maximum load Min. load Minimum load EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 286 Only for heat pump convector Only for wired On/OFF thermostat Only for wired ON/OFF thermostat Only for wireless On/OFF thermostat Only for wireless ON/OFF thermostat EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 287 Only for Human Comfort Interface 2 core 2×0.75 X5M: 11-12 A14P: P1-P2 user interface communication Only for LAN adapter 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D133216C EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 288: Technical Specifications: Domestic Hot Water Tank

    ■ Model ETVH16SU18EA6V 180 l 289 kg ETVH16SU23EA6V 220 l 338 kg 10 bar ■ Maximum design pressure: 9.1 l ■ Rated volume heat exchanger: 4P647876-1A EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 289 ■ Model ETVH16SU18EA6V7 180 l 289 kg 220 l 338 kg ETVH16SU23EA6V7 10 bar ■ Maximum design pressure: 9.1 l ■ Rated volume heat exchanger: 4P695671-1 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...
  • Page 290 ETVH16SU18EJ6V7 180 l 289 kg ETVH16SU23EJ6V7 220 l 338 kg ■ Maximum design pressure: 10 bar 9.1 l ■ Rated volume heat exchanger: 4P709858-1 EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 291: 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. EPRA14~18D + ETVH16SU18+23E Installer reference guide Daikin Altherma 3 H HT F 4P644738-1D – 2023.10...

  • Page 292: 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 293: Field Settings Table

    1/13 Field settings table Applicable indoor units ETBH16E▲6V▼ ETBH16E▲9W▼ ETBX16E▲6V▼ ETBX16E▲9W▼ ETVH16S18E▲6V▼ ETVH16S23E▲6V▼ ETVH16S18E▲9W▼ ETVH16S23E▲9W▼ ETVX16S18E▲6V▼ ETVX16S23E▲6V▼ ETVX16S18E▲9W▼ ETVX16S23E▲9W▼ ETVH16SU18E▲6V▼ ETVH16SU23E▲6V▼ Notes (*1) *6V* (*2) *9W* (*3) ETB* (*4) ETV* (*5) *X* (*6) *H* (*7) *SU* (*8) E model (*E▲6V/9W) (*9) E7 model (*E▲6V7/9W7) ▲...
  • Page 294 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 295 3/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 2.C.1 [8-05] Modulation 0: No 1: Yes 2.C.2 [8-06] Max modulation 0~10°C, step: 1°C 5°C └─ Shut off valve 2.D.1 [F-0B] During thermo...
  • Page 296 4/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value 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...
  • Page 297 5/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.3.3 [E-05] Domestic hot water No DHW (*3) [E-06] EKHW, small volume (*3) [E-07] Integrated (*4) EKHW, big volume (*3) EKHWP (*3) 3rd party, small coil (*3) 3rd party, big coil (*3)
  • Page 298 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 [0-04] 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 299 7/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-04] Water pipe freeze prevention 0: Intermittent 1: Continuous 2: Off └─ Benefit kWh power supply 9.8.2 [D-00] Allow heater 0: None 1: BSH only...
  • Page 300 8/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-00] Leaving water value for high ambient temp. for LWT add zone heating WD curve. [9-05]~min(45,[9-06])°C, step: 1°C 35°C [0-01] Leaving water value for low ambient temp.
  • Page 301 9/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [2-03] What is the disinfection target temperature? [E-07]≠1 55~75°C, step: 5°C 70°C [E-07]=1: 60°C 60°C [2-04] How long must the tank temperature be maintained? [E-07]≠1: 5~60 min, step: 5 min 10 min...
  • Page 302 10/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-06] What is the requested limit for DI2? 0~50 A, step: 1 A 50 A [5-07] What is the requested limit for DI3? 0~50 A, step: 1 A 50 A [5-08]...
  • Page 303 11/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [8-08] What is the desired eco main LWT in cooling? [9-03]~[9-02], step: 1°C 20°C [8-09] What is the desired comfort main LWT in heating? [9-01]~[9-00], step: 1°C 35°C [8-0A]...
  • Page 304 12/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-03] Leaving water temperature compensation 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 [D-04]...
  • Page 305 13/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.P.4 [7-0B] Main zone pump fixed PWM 20~95%, step: 5% 9.P.5 [7-0C] Mixing valve turning time 20~300 sec, step: 5 sec 125 sec (*1) *6V*_(*2) *9W*_ (*3) ETB*_(*4) ETV*_...
  • Page 308 4P644738-1D 2023.10 Verantwortung für Energie und Umwelt...

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Altherma 3 h ht fEpra14-18dw7Epra014-018dvEtvh16ue6vEpra014-018dwEpra14-18dv7

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