Daikin Altherma 3 R MT ELSH-E Installer's Reference Manual
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Daikin Altherma 3 R MT ELSH-E Installer's Reference Manual

Daikin Altherma 3 R MT ELSH-E Installer's Reference Manual

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ERRA08E▲V3▼
ERRA10E▲V3▼
ERRA12E▲V3▼
ERRA08E▲W1▼
ERRA10E▲W1▼
ERRA12E▲W1▼
Installer reference guide
Daikin Altherma 3 R MT ECH₂O
https://daikintechnicaldatahub.eu
ELSH12P50E▲▼
ELSHB12P50E▲▼
ELSX12P50E▲▼
ELSXB12P50E▲▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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Summary of Contents for Daikin Altherma 3 R MT ELSH-E

  • Page 1 Installer reference guide Daikin Altherma 3 R MT ECH₂O https://daikintechnicaldatahub.eu ERRA08E▲V3▼ ELSH12P50E▲▼ ERRA10E▲V3▼ ELSHB12P50E▲▼ ERRA12E▲V3▼ ELSX12P50E▲▼ ERRA08E▲W1▼ ELSXB12P50E▲▼ ERRA10E▲W1▼ ERRA12E▲W1▼ ▲= 1, 2, 3, …, 9, A, B, C, …, Z ▼= , , 1, 2, 3, …, 9...

  • Page 2: Table Of Contents

    6.6.2 Power limitation activated by digital inputs....................6.6.3 Power limitation process ..........................6.6.4 BBR16 power limitation..........................Setting up an external temperature sensor........................7 Unit installation Installer reference guide ERRA08~12E + ELSH/X(B)12P50E Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 3 To fill the storage tank ........................... 128 8.6.8 To insulate the water piping.......................... 129 9 Electrical installation About connecting the electrical wiring.......................... 130 9.1.1 Precautions when connecting the electrical wiring..................130 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 4 11.6.12 Operation ............................... 267 11.6.13 WLAN ................................267 11.7 Menu structure: Overview user settings ........................270 11.8 Menu structure: Overview installer settings ......................... 271 12 Commissioning Installer reference guide ERRA08~12E + ELSH/X(B)12P50E Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 5 17.5 Wiring diagram: Indoor unit............................320 17.6 ESP curve: Indoor unit ..............................326 17.7 Name plate: Indoor unit..............................326 18 Glossary 19 Field settings table ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 6: About The Documentation

    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

    A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). Online tools In addition to the documentation set, some online tools are available for installers: ▪...

  • Page 8: Installer Reference Guide At A Glance

    About the units and options ▪ How to identify the units ▪ Possible combinations of units and options Application guidelines Various installation setups of the system ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • 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: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 16: Specific Installer Safety Instructions

    Install the indoor unit at a minimum distance of 1 m from other heat sources (>80°C) (e.g. electrical heater, oil heater, chimney) and combustible materials. Otherwise the unit may be damaged or in extreme cases catch fire. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 17 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. Installation patterns (see "7.1.5 Installation patterns" [...
  • Page 18 Internal pressures need to be released with ALL the service ports indicated on the figures below opened. The location is depending on model type. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 19 ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 20 For details on the fuse ratings, the fuse types and the circuit breaker ratings, see "9 Electrical installation" [  130]. Configuration (see "11 Configuration" [  169]) CAUTION The disinfection function settings MUST be configured by the installer according to the applicable legislation. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 21 If you are unable to find the cause of the problem, call your dealer. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 22 "7.3.7 To remove the discharge grille, and put the grille in safety position" [  98] DANGER: RISK OF BURNING/SCALDING The water in the storage tank and all the connected piping can be very hot. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 23: 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. Forklift or pallet truck Enter the pallet from the heavy side. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 24: To Unpack The Outdoor Unit

    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" [  94] 4.1.2 To unpack the outdoor unit ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

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

    Multilingual fluorinated greenhouse gases label i Fluorinated greenhouse gases label j Energy label k Discharge grille (upper + lower part) l Installation manual – Discharge grille ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 26: Indoor Unit

    (see "7.2.6 To open the indoor unit" [  88]). 4.2.1 To unpack the indoor unit ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 27: To Remove The Accessories From The Indoor Unit

    The indoor unit is top-heavy as long as the storage tank is empty. Secure the unit accordingly and only transport by using the handles. If optional Backup Heater (EKECBU*) is installed, see the installation manual of the Backup Heater. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 28 3 Use the handles to carry the unit. 4 After carrying the unit remove the handles, add the screw plugs again and insert the thread covers on the plugs. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 29: About The Units And Options

    Code Explanation European refrigerant split outdoor pair heat pump High water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 30: Identification Label: Indoor Unit

    Capacity class Integrated tank material: Plastics Integrated tank volume Model series 5.3 Combining units and options INFORMATION Certain options may NOT be available in your country. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 31: Possible Combinations Of Indoor Unit And Outdoor Unit

    Space heating/cooling ON/OFF output ▪ Changeover to external heat source For installation instructions, see the installation manual of the digital I/O PCB and addendum book for optional equipment. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 32 FWXM: concealed model For installation instructions, see: ▪ The installation manual of the heat pump convector ▪ The installation manual of the heat pump convector options ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 33  150]. DB connector kit (EKECDBCO*) To make the connection of a solar drainback system easier, you can install a drainback connector kit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 34 A solar drainback kit including solar pump and solar controller can be directly connected to the pressureless storage tank of the indoor unit. For installation instructions, see the installation manual of the solar drainback kit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 35: Application Guidelines

    Setting up the storage tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 36: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 37: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 38 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 39 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 40 ▪ The space operation mode is sent by one digital output (X12M/9 and X12M/10) on the indoor unit to: The heat pump convectors The shut-off valve ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 41: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 42 Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits ▪ Easy. Same installation as for one room, but with thermostatic valves. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 43 Compared with underfloor heating or radiators for one room: ▪ Comfort. You can set the desired room temperature, including schedules, for each room via the room thermostats. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 44 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 45 EKVKHPC on each heat pump convector. Configuration Setting Value Unit temperature control: 1 (External room thermostat): Unit operation is decided by the external ▪ #: [2.9] thermostat. ▪ Code: [C-07] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 46 The addendum book for optional equipment ▪ For each room with underfloor heating: The desired room temperature is set via the external room thermostat (wired or wireless). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 47: Multiple Rooms - Two Lwt Zones

    In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. Setup Three bizone kit system variations are possible: System without hydraulic separator: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 48 A Additional leaving water temperature zone B Room 1 C Room 2 D Main leaving water temperature zone E Room 3 a Heat pump convectors (+ controllers) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 49 (X12M/19 and X12M/22). The indoor unit will only supply the desired additional leaving water temperature when there is an actual demand. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 50 If the main zone must be shut off during cooling mode to prevent condensation on the floor, set it accordingly. "Bizone kit" [  264] for more information on configuration of the bizone kit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 51: Setting Up Bivalent Heat Sources

    OR ▪ external room thermostat control. ▪ Space heating can be done by: The indoor unit An auxiliary boiler (field supply) connected to the system ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 52 Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ Make sure the return water to the heat pump does NOT exceed 60°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 60°C.
  • Page 53 K1A Auxiliary relay for activation of indoor unit (field supply) K2A Auxiliary relay for activation of boiler (field supply) Indoor Indoor unit Auto Automatic Boiler Boiler ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 54: Setting Up An Indirect Auxiliary Heat Source For Domestic Hot Water And Space Heating

    A Main leaving water temperature zone B One single room a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat) b Auxiliary boiler (field supply) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 55: Setting Up A Solar System Via Drainback Connection

    Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ Make sure the return water to the storage tank does NOT exceed 95°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 95°C.

  • Page 56: Setting Up A Solar System Via Bivalent Heat Exchanger

     261] for more information on configuration. 6.3.4 Setting up a solar system via bivalent heat exchanger Setup 1 Integrate the solar system as follows: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 57: Setting Up An Electric Backup Heater

    Set the capacity steps, if applicable 6.4 Setting up the storage tank 6.4.1 System layout – Integrated storage tank A Domestic hot water a Cold water IN ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 58: Selecting The Volume And Desired Temperature For The Storage Tank

    The lower the desired storage tank temperature, the more cost effective. By selecting a larger storage tank, you can lower the desired storage tank temperature. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 59: Setup And Configuration - Storage Tank

    "9.3.7 To connect the domestic hot water pump" [  153]. ▪ For installation instructions of the optional recirculation connection, see the installation manual of the recirculation kit (141554). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 60: Dhw Pump For Disinfection

    Via the user interface, you can read out the following energy data: Produced heat Consumed energy ▪ You can read out the energy data: For space heating For space cooling For domestic hot water production ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 61: Produced Heat

    (resistance measurement) and set the capacity via the user interface for the backup heater (step 1). Measuring the consumed energy ▪ Preferred method because of higher accuracy. ▪ Requires external power meters. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 62: Normal Kwh Rate Power Supply

    ▪ Three-phase outdoor unit Three-phase ▪ Backup heater supplied from a three- (*9W: 3N~ 400 V) phase grid (i.e. the backup heater model is *9W) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 63: Preferential Kwh Rate Power Supply

    Power meter 2: Measures the rest (i.e. indoor unit and backup heater). Setup ▪ Connect power meter 1 to X15M/5 and X15M/6. ▪ Connect power meter 2 to X15M/9 and X15M/10. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 64: Setting Up The Power Consumption Control

    Allows you to limit the power consumption of the entire heat pump system (sum of indoor unit and backup heater) via 4 digital inputs. ▪ Limitation of power in kW or current in A. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 65: Permanent Power Limitation

    Set the desired power limitation level 6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 66 Application guidelines The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪ Current (in A) ▪...

  • Page 67: Power Limitation Process

    (BBR16 activation and BBR16 power limit). After 2 weeks, the unit freezes these settings. Note: This is different from the permanent power limitation, which is always changeable. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 68: Setting Up An External Temperature Sensor

    At the north side of the house or at the side of the house where the most heat emitters are located That is NOT exposed to direct sunlight ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 69 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 70: Unit Installation

    (e.g. grinding works) where a lot of dust is created, the unit MUST be covered. WARNING DO NOT reuse refrigerant piping that has been used with any other refrigerant. Replace the refrigerant pipes or clean thoroughly. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 71: Installation Site Requirements Of The Outdoor Unit

    It is NOT recommended to install the unit in the following places because it may shorten the life of the unit: ▪ Where the voltage fluctuates a lot ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 72: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    7.1.2 Additional installation site requirements of the outdoor unit in cold climates Protect the outdoor unit against direct snowfall and take care that the outdoor unit is NEVER snowed up. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 73: Installation Site Requirements Of The Indoor Unit

    Maximum height difference between indoor unit and outdoor 30 m unit Refrigerant piping length is the one-way length of liquid piping. ▪ Mind the following spacing installation guidelines: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 74: Special Requirements For R32 Units

    Additionally to the spacing guidelines: Because the total refrigerant charge in the system is ≥1.84 kg, the room where you install the indoor unit must also comply with the conditions described in "7.1.5 Installation patterns" [  76]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 75 Joints made in the installation between parts of the refrigerant system shall be accessible for maintenance purposes. WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. NOTICE ▪...

  • Page 76: Installation Patterns

    Unit's connection point for the chimney = 1" male thread. Use a compatible counterpart for the chimney. ▪ Make sure the connection is airtight. Chimney Bottom opening for natural ventilation Top opening for natural ventilation ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 77 Install the chimney socket (delivered as accessory) to the plate heat exchanger box. 1× 1× 1× 1× a Chimney socket b Securing clip c O-ring d Flat gasket ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 78 Chimney height = ΔH0 See table 3: For ΔH0: Can the maximum chimney length be respected, and is the chimney practically feasible? ΔH0 Go to PATTERN 2 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 79 ▪ Must be ≥50% of A (minimum bottom opening area). nv-min Min. 50% ▪ Must be ≥1.5 m from the floor. of A nv-min (≥A nv-min ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 80 Ventilation openings must comply with A and with nv-min "Conditions ventilation openings" on previous page). Min. 50% Min. 50% ΔH1 of A of A nv-min nv-min (≥A (≥A nv-min nv-min ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 81 2.35 m 2.01 m 3.45 kg 3.75 m 2.50 m 2.14 m 1.91 m 3.65 kg 3.96 m 2.64 m 2.26 m 2.02 m 3.85 kg 4.18 m 2.79 m 2.38 m 2.13 m 1.95 m 4.05 kg 4.40 m 2.93 m 2.51 m 2.24 m 2.05 m 1.89 m ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 82 Floor area of room A (m²) [! NOT room A + room B !] 4.00 m² 6.00 m² 8.00 m² 10.00 m² 12.00 m² 14.00 m² 16.00 m² 1.89 m 5.260 dm² 3.276 dm² 2.419 dm² 1.630 dm² 0.828 dm² 0.022 dm² 1.90 m 5.229 dm² 3.240 dm² 2.378 dm² 1.585 dm² 0.779 dm² ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 83 14.00 m² 16.00 m² 2.00 m 4.892 dm² 2.852 dm² 1.936 dm² 1.093 dm² 0.241 dm² 2.20 m 4.276 dm² 2.135 dm² 1.117 dm² 0.180 dm² 2.40 m 3.721 dm² 1.485 dm² 0.371 dm² 2.60 m 3.217 dm² 0.890 dm² 2.80 m 2.755 dm² 0.340 dm² 3.00 m 2.328 dm² ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 84 For intermediate refrigerant charges, use the row with the higher value. Example: If the refrigerant charge is 3.5 kg, use the row of 3.55 kg. Total refrigerant charge (kg) (dm²) nv-min 3.25 kg 9.1 dm² 3.35 kg 9.2 dm² ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 85: Opening And Closing The Units

    DANGER: RISK OF BURNING/SCALDING 1 Open the service cover. 2 If necessary, open the side cover. This is, for example, necessary in the following cases: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 86: To Remove The Transportation Stay

    2 Remove the screws (5×) from the transportation stay. Remove the transportation stay and dispose of it. Keep 4 screws to attach the compressor cover piece (see "7.2.4 To attach the compressor cover piece" [  87]). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 87: To Attach The Compressor Cover Piece

    7.2.5 To close the outdoor unit NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 4.1 N•m. 1 If necessary, close the side cover. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 88: To Open The Indoor Unit

    3× 7.2.6 To open the indoor unit Overview 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 89 Prerequisite: The user interface panel has been opened. 1 Loosen the screws. 2 Lift up the switch box. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 90 Prerequisite: The user interface panel has been opened and the switch box has been lowered. 1 Open the locking parts of the side panels with a screw driver. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 91 2 Lift up the side panels. 3 Lift the top cover out of its mounting using the two front legs. 4 Remove the top cover ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 92: To Close The Indoor Unit

    7.3.1 About mounting the outdoor unit When You have to mount the outdoor and indoor unit before you can connect the refrigerant and water piping. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 93: Precautions When Mounting The Outdoor Unit

    Use 4 sets of M12 anchor bolts, nuts and washers. Provide at least 150 mm of free space below the unit. Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. Anchor points (mm) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 94: To Install The Outdoor Unit

    To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. 1 Carry the unit by its slings, and put it onto the installation structure. 2 Fix the unit to the installation structure. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 95: To Provide Drainage

    (see the following figure). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 96: To Install The Discharge Grille

    O-ring. Make sure the O-ring is installed correctly to prevent leakage. 7.3.6 To install the discharge grille INFORMATION Electrical wiring. Before installing the discharge grille, connect the electrical wiring. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 97 4 Align and attach the left side. 5 Align and attach the middle part. 6 Align and attach the right side. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 98: To Remove The Discharge Grille, And Put The Grille In Safety Position

     96] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  98] 1 Remove the upper part of the discharge grille. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 99 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 100: Mounting The Indoor Unit

    Spillover water from the water storage tank as well as water collecting in the drain pan must be drained. You must connect the drain hoses to an appropriate drain according to the applicable legislation. 1 Open the screw plug. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 101 7 Connect the pressure relief valve to an appropriate drain in accordance with the applicable legislation. Ensure that any steam or water that may escape is drained in a frost-protected, safe and observable manner. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 102 Unit installation a Pressure relief valve ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 103: Piping Installation

    Connect both ends without brazing. If brazing should be needed, take the guidelines in the installer reference guide into account. ▪ Flare connections: Only use annealed material. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 104: Refrigerant Piping Insulation

    8.2.1 About connecting the refrigerant piping Before connecting the refrigerant piping Make sure the outdoor and indoor unit are mounted. Typical workflow Connecting the refrigerant piping involves: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 105: Precautions When Connecting The Refrigerant Piping

    ▪ Use caution when passing copper tubes through walls (see figure below). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 106: Guidelines When Connecting The Refrigerant Piping

    Do NOT re-use flares. Use new flares to prevent refrigerant gas leakage. ▪ Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 107: To Braze The Pipe End

    Taping d Manual valve e Pressure-reducing valve f Nitrogen ▪ Do NOT use anti-oxidants when brazing pipe joints. Residue can clog pipes and break equipment. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 108: Using The Stop Valve And Service Port

    1 Remove the stop valve cover. 2 Insert a hexagon wrench (liquid side: 4  mm, gas side: 4  mm) into the valve stem and turn the valve stem: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 109: To Connect The Refrigerant Piping To The Outdoor Unit

    1 Open the outdoor unit step 1 and 2 ("7.2.2 To open the outdoor unit" [  85]). 2 Detach the outer side of the rubber grommet. 3 Do the following: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 110 Provide adequate measures to prevent that the unit can be used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 111: To Connect The Refrigerant Piping To The Indoor Unit

    If there is a possibility of moisture being present in the refrigerant piping (for example, water may have entered the piping), first carry out the vacuum drying procedure below until all moisture has been removed. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 112: Precautions When Checking The Refrigerant Piping

    Stop valve 8.3.4 To check for leaks NOTICE Do NOT exceed the unit's maximum working pressure (see "PS High" on the unit name plate). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 113: To Perform Vacuum Drying

    Make sure to open the stop valves after installing the refrigerant piping and performing vacuum drying. Running the system with the stop valves closed may break the compressor. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 114: Charging Refrigerant

    3 Vacuum drying on the outdoor unit's internal refrigerant piping is performed. NOTICE Before completely recharging, perform vacuum drying on the outdoor unit's internal refrigerant piping as well. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 115: Precautions When Charging Refrigerant

    8.4.2 Precautions when charging refrigerant INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  10] ▪ "8.1 Preparing refrigerant piping" [  103] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 116: Charging Additional Refrigerant

    ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 117: To Fix The Fluorinated Greenhouse Gases Label

    Total refrigerant charge e Quantity of fluorinated greenhouse gases of the total refrigerant charge expressed as tonnes CO equivalent. f GWP = Global Warming Potential ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 118: Preparing Water Piping

    Piping length. It is recommended to avoid long runs of piping between the storage tank and the hot water end point (shower, bath,…) and to avoid dead ends. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 119 ▪ Drainage – Low points. Provide drain taps at all low points of the system in order to allow complete drainage of the water circuit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 120 See "6.4.4  DHW pump for instant hot water" [  59]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 121: To Check The Water Volume And Flow Rate

    Check that the minimum flow rate in the installation is guaranteed in all conditions. If operation is… Then the minimum required flow rate is… Cooling 10 l/min Heating/defrost 20 l/min ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 122: Connecting Water Piping

    1 Remove the thermal insulation of the hydraulic block. Open the automatic air purge valve on the pump by one turn. Afterwards put the thermal insulation back on the hydraulic block. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 123 4 Connect the domestic hot water in and out pipes to the indoor unit. Do NOT exceed the maximum tightening torque (Thread size 1", 25-30  N•m). To avoid damage, apply the necessary countertorque with a suitable tool. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 124 Space heating/cooling water IN (screw connection, 1") c Domestic hot water OUT (screw connection, 1") d Domestic cold water IN (cold water supply)(screw connection, 1") ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 125: To Connect The Expansion Vessel

    There may not be any hydraulic blocking elements between the heat generator and the safety valve. 2 Position the pressure vessel in an easily accessible place (maintenance, parts replacement). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 126: To Fill The Heating System

    (field supply) to a water tap and the fill and drain valve. Secure the hose against slipping off. 100% Bypass 100% a Hose with a non-return valve (1/2") and an external manometer (field supply) b Fill and drain valve ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 127: To Fill The Heat Exchanger Inside The Storage Tank

    6 Do air purge on the bivalent heating circuit. 7 Check for water leaks. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 128: To Fill The Storage Tank

    2 Connect the hose with non-return valve to the fill and drain kit. Follow the steps described in the previous chapter. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 129: To Insulate The Water Piping

    If the temperature is higher than 30°C and the humidity is higher than RH 80%, the thickness of the insulation materials should be at least 20  mm to prevent condensation on the surface of the insulation. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 130: Electrical Installation

    ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 131: Guidelines When Connecting The Electrical Wiring

    Method 1: Twisting conductor 1 Strip insulation (20 mm) from the wires. 2 Slightly twist the end of the conductor to create a "solid-like" connection. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 132 Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Outdoor unit: Item Tightening torque (N•m) 1.47 ±10% M4 (earth) Indoor unit: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 133: About Electrical Compliance

    9.1.5 Overview of electrical connections except external actuators NOTICE Unlike to other indoor unit model types, Daikin Altherma 3 * ECH₂O always needs a dedicated power supply for the indoor unit. It is NOT possible to use the interconnection cable as power supply for the indoor unit.

  • Page 134: Connections To The Outdoor Unit

    Drain tube heater cable Connection for power saving function (only for V3 models) Air thermistor cable "9.2.3 To reposition the air thermistor on the outdoor unit" [  139]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 135: Specifications Of Standard Wiring Components

    An excessive strip length may cause electrical shock or leakage 3 Insert the cables at the back of the unit, and route them through the factory- mounted cable sleeves into the switch box. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 136: Power Supply Cable

    ▪ 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. — ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 137 — 3 (Optional) Power saving function: If you want to use the power saving function: ▪ Disconnect X804A from X805A. ▪ Connect X804A to X806A. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 138 ▪ 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. — ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 139: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 140: Connections To The Indoor Unit

    Changeover to external "9.3.10 To connect the changeover to external heat source control heat source" [  156]. Power consumption digital "9.3.11 To connect the power consumption inputs digital inputs" [  157]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 141 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 142 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 143: To Connect The Electrical Wiring To The Indoor Unit

    If the switch box is lowered in service position while the electrical installation is done, additional cable length has to be taken into account adequately. The cable routing in normal position is longer than in service position. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 144 Electrical installation All cables which will be connected to the switch box of the ECH O must be fixed by strain relief. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 145: 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 Power supply indoor Wires: 1N+GND unit Maximum running current: 6.3 A ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 146 Preferential kWh rate power supply contact: 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [9.8] Benefit kWh power supply ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 147: To Connect The Backup Heater Power Supply

    [9.3] Backup heater WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 148: Running Current

    Z less than or equal to Z Connect the backup heater power supply as follows: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 149 Electrical installation Model (power supply) Connections to backup heater power supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 150: To Connect The Backup Heater To The Main Unit

    1 Open the following (see "7.2.6 To open the indoor unit" [  88]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 151: To Connect The Shut-Off Valve

    3 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 152: To Connect The Electricity Meters

    3 Switch box cover 4 Top cover 5 Side panel 3 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 153: To Connect The Domestic Hot Water Pump

    3 Switch box cover 4 Top cover 5 Side panel 3 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 154: To Connect The Alarm Output

    3 Switch box cover 4 Top cover 5 Side panel 3 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 155: To Connect The Space Cooling/Heating On/Off Output

    3 Switch box cover 4 Top cover 5 Side panel 3 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 156: To Connect The Changeover To External Heat Source

    2 Open the following (see "7.2.6 To open the indoor unit" [  88]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 157: To Connect The Power Consumption Digital Inputs

     88]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel 3 Install the switch box metal insert. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 158 5 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [  143]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 159: To Connect The Safety Thermostat (Normally Closed Contact)

    X15M 4 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [  143]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 160: To Connect A Smart Grid

    ([9.A.2] Electricity meter 2 = None) In case of low voltage Smart Grid contacts Wires (Smart Grid pulse meter): 0.5 mm² Wires (low voltage Smart Grid contacts): 0.5 mm² ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 161 X15M.3 X15M.10 3 4 5 6 9 10 X15M.9 X15M X15M.6 S11S X15M.5 3 Fix the cables with cable ties to the cable tie mountings. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 162 1 Install the switch box metal insert. 2 Loosen the cables connected to the terminal of the Smart Grid relay kit (EKRELSG) and remove the terminal. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 163 Electrical installation 3 Install the components of the Smart Grid relay kit as follows: 2× 2× ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 164 X12M.25 X12M.24 X15M.5 X15M.6 4 Connect the low voltage wiring as follows: X15M.10 X15M.9 9 10 X15M 5 Connect the high voltage wiring as follows: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 165: To Connect The Wlan Cartridge (Delivered As Accessory)

    9.3.14 To connect the WLAN cartridge (delivered as accessory) [D] Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 166: To Connect The Solar Input

    9.3.16 To connect the DHW output Wires: 2×0.75 mm² Maximum running current: 0.3 A, 230 V AC — 1 Open the following (see "7.2.6 To open the indoor unit" [  88]): ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 167 0,3 A - 230 V AC 3 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [  143]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 168: Finishing The Outdoor Unit Installation

    Gas pipe insulation c Interconnection cable d Field wiring (if applicable) e Liquid pipe f Liquid pipe insulation g Finishing tape 2 Install the service cover. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 169: Configuration

    The calculations of the software ▪ What you can see on and do with the user interface You can configure the system via the user interface. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 170: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 171 3 Turn the left dial to select the first part of the setting and confirm by pressing the dial. 4 Turn the left dial to select the second part of the setting 01 15 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 172: To Connect The Pc Cable To The Switch Box

    2 Connect the plug of the cable to X10A on A1P of the switch box of the indoor unit. X10A 3 Pay special attention to the position of the plug! ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 173: Configuration Wizard

    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) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 174: Possible Screens

    You see an overview of the unit configuration and the room and setpoint temperatures. Only symbols applicable for your configuration are visible on the home screen. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 175 Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating Outdoor / quiet mode Measured outdoor temperature Quiet mode active Outdoor unit ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 176 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 177: Main Menu Screen

    Shows the applicable symbol of your unit. cooling Put the unit in heating mode or cooling mode. You cannot change the mode on heating only models. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 178: Menu Screen

    The setpoint screen is displayed for screens describing system components that need a setpoint value. Examples [1] Room temperature screen [2] Main zone screen °C °C – – Room Main zone ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 179: Detailed Screen With Values

    Selected setting and value Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. Confirm changes and proceed. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 180: Schedule Screen: Example

    To clear the content of the week schedule 1 Select the name of the current schedule. User defined 1 2 Select Delete. Delete Rename Select 3 Select OK to confirm. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 181: Select Edit

    In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 182 5 Repeat this action for all other weekdays. — User defined 1 To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 183 The schedule name can contain up to 15 characters. 5 Confirm the new name. INFORMATION Not all schedules can be renamed. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 184: Preset Values And Schedules

    "Possible actions" in "Possible predefined schedules are not satisfactory. schedules" [  185] The actions you can program are control ▪ "11.4.3  Schedule screen: specific. Example" [  187] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 185 [1.3] Room > Cooling Predefined schedules: 1 schedule Activation screen: [1.1] Schedule Schedule for the desired room Possible actions: Temperatures within range. temperature in cooling mode. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 186 Activation screen: Not applicable. This schedule water tank temperature for is automatically activated if the DHW mode is your normal domestic hot the following: water needs. ▪ Scheduled reheat ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 187: Schedule Screen: Example

    4 Copy the schedule to the other weekdays. 5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 188 User defined 1 2 Select Delete. Delete Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. User defined 1 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 189 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 190 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 191: Setting The Energy Prices

    [7.5.1]=12 To set the gas price 1 Go to [7.6]: User settings > Gas price. 2 Select the correct gas price. 3 Confirm the changes. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 192 To set the electricity price in case of an incentive per kWh renewable energy Calculate the value for the electricity price with following formula: ▪ Actual electricity price+Incentive/kWh ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 193: Weather-Dependent Curve

    ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 194: 2-Points Curve

    The icon corresponds to the heat emitter for that zone: ▪ : Underfloor heating ▪ : Fan coil unit ▪ : Radiator ▪ : Storage tank ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 195: Slope-Offset Curve

    X2. ▪ When offset is changed, the new preferred temperature at X1 is equally higher as the preferred temperature at X2. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 196: Using Weather-Dependent Curves

    [3.4] Additional zone > Setpoint WD heating, fixed cooling OR mode Weather dependent Additional zone – Cooling [3.4] Additional zone > Setpoint Weather dependent mode Tank ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 197 … temperatures … Cold ↑ — ↓ — Cold ↓ ↑ Cold Cold — ↑ Cold ↓ ↑ ↑ ↓ Cold ↑ ↓ — ↓ ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 198: Settings Menu

    [1.1] Schedule Main zone Additional zone [1.2] Heating schedule [1.3] Cooling schedule [1.4] Antifrost [1.5] Setpoint range [1.6] Room sensor offset [1.7] Room sensor offset ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 199 Room frost protection is NOT guaranteed. ([C‑07]=0) External room thermostat control Allow for the external room thermostat to take care of room frost protection: ([C‑07]=1) ▪ Set [C.2] Space heating/cooling=On. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 200 [C.2] Space heating/cooling=On, and ▪ [9.5.1] Emergency=Automatic or auto SH normal/DHW off. However, if [1.4.1] Antifrost is activated, limited frost protection by the unit is possible. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 201 Code Description [1.4.1] [2-06] Activation: ▪ 0 No: Antifrost functionality is OFF. ▪ 1 Yes: Antifrost functionality is on. [1.4.2] [2-05] Room setpoint: ▪ 4°C~16°C ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 202 Room sensor offset (external room sensor option): Only applicable if the external room sensor option is installed and configured. ▪ –5°C~5°C, step 0.5°C Room comfort setpoint Restriction: Only applicable if: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 203: Main Zone

    Influence of the LWT setpoint mode [2.4] is as follows: ▪ In Fixed LWT setpoint mode, the scheduled actions consist of desired leaving water temperatures, either preset or custom. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 204 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 205 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): ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 206 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 207 Setpoint range To prevent a wrong (i.e. too hot or too cold) leaving water temperature for the main leaving water temperature zone, limit its temperature range. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 208 ▪ 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 Control Define how the operation of the unit is controlled. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 209 Delta  T is the absolute value of the temperature difference between the leaving water and entering water. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 210 Additionally, also the desired leaving water temperature must be configured: if Modulation is enabled, the unit automatically calculates the desired leaving water temperature. These calculations are based on: ▪ the preset temperatures, or ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 211 1 leaving water temperature zone, connect the shut-off valve to the heating/cooling output. The shut off valve for the main leaving water temperature zone can close under these circumstances: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 212: Additional Zone

     194] and "11.5.3 Slope-offset curve" [  195]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset 11.6.4 Additional zone Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 213  187]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [  204]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 214 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): ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 215 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: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 216 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "11.6.3 Main zone" [  203]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 217: Space Heating/Cooling

    2-points ▪ Slope-Offset 11.6.5 Space heating/cooling INFORMATION Cooling is only applicable in case of reversible models. Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 218 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 219 If the outdoor temperature is between the Space heating off temperature and the Space cooling temperature, the operation mode remains unchanged. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 220 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 221 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 222 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 223 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 224 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: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 225: Heating Off

    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). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 226: Tank

    Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "11.6.2 Room" [  198]. 11.6.6 Tank Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 227 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 228 ▪ 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 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 229 During disinfection of the water inside the domestic hot water heat exchanger coil by periodically heating storage tank specific temperature, DHW temperature can exceed this maximum temperature. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 230 When the keep-hot-function is enabled then the reheat of the tank could be sooner. Setpoint mode Code Description [5.B] Setpoint mode: ▪ Fixed ▪ Weather dependent ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 231 Maximum heat pump temperature at sensor in domestic hot water tank HP MAX Heat pump OFF temperature (T −[6-01]) HP OFF HP MAX Heat pump ON temperature (T −[6-00]) HP ON HP OFF ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 232: User Settings

    [7] User settings Space heating/cooling Tank [7.1] Language User settings [7.2] Time/date Information Installer settings [7.3] Holiday [7.4] Quiet [7.5] Electricity price [7.6] Gas price ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 233 ▪ Select On. 2 Set the first day of your holiday. — ▪ Go to [7.3.2]: From. ▪ Select a date. ▪ Confirm the changes. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 234 ▪ You have programmed a quiet mode schedule: During the night: Most quiet. During the day: Off to ensure the heating/cooling capacity of the system. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 235 INFORMATION Price value ranging from 0.00~990 valuta/kWh (with 2 significant values). INFORMATION If no schedule is set, the Electricity price for High is taken into account. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 236 Renewable heat incentive per kWh Calculation of the gas price Gas price=Actual gas price+(Incentive/kWh×0.9) Gas price=4.08+(5×0.9) Gas price=8.58 Calculation of the electricity price Electricity price=Actual electricity price+Incentive/kWh ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 237: Information

    Reset the configuration settings stored in the MMI (user interface of the indoor unit). Example: Energy meterings, holiday settings. INFORMATION This does not reset the configuration settings and field settings of the indoor unit. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 238 Return water temperature [°C] Storage tank temperature [°C] Ambient temperature [°C] Leaving water temperature after storage tank [°C] Water pressure [bar] Water volume flow rate [l/min] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 239: Installer Settings

    [8.B] Piping diagram Real-time sensor and actuator information of the main system components 11.6.9 Installer settings Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 240 This setting is read only. Code Description [9.2.1] [E‑05] ▪ Integrated [E‑06] The backup heater will also be used for domestic hot water heating. [E‑07] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 241 When measuring the resistance value of each heater, you can set the exact heater capacity and this will lead to more accurate energy data. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 242 If the storage temperature setpoint is higher than 50°C and no auxiliary boiler is installed, Daikin recommends NOT to disable the backup heater second step because it will have a big impact on the required time for the unit to heat up the storage tank.
  • Page 243 The backup heater will ONLY assist if you increase the equilibrium temperature [5‑01] to the required ambient temperature you need to reach the higher setpoint. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 244: Backup Heater

    Malfunctioning main menu screen. To keep energy consumption low, we recommend to set Emergency to auto SH reduced/DHW off if the house is unattended for longer periods. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 245 Heat pump operation is NOT possible ▪ Cooling is NOT possible Code Description [9.5.2] [7-06] Activation of the Compressor forced off mode: ▪ 0: disabled ▪ 1: enabled ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 246 1 Heat pump domestic water heating mode (1=active, 0=not active) 2 Hot water request for heat pump (1=request, 0=no request) t Time [8-04]: Additional timer at [4-02]/[F-01] ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 247 Only relevant for installations with water piping outdoors. This function tries to protect outdoor water piping from freezing. Code Description [9.7] [4-04] Water pipe freeze prevention: ▪ 2: Off (read only) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 248 Emergency mode. In case emergency mode is active, buffering with electrical heater is NOT possible in Forced on and Recommended on operation modes. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 249 Therefore, always enable the auto restart function. ▪ 3 Smart Grid: A Smart Grid is connected to the system ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 250 Yes: The extra energy from the photovoltaic panels is buffered in the storage tank, and in the space heating/cooling circuit (i.e. heat up or cool down the room). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 251 Limit when [9.9.1]=Continuous and [9.9.2]=Amp: Code Description [9.9.3] [5-05] Limit: Only applicable in case of full time current limitation mode. 0 A~50 A Limits when [9.9.1]=Inputs and [9.9.2]=Amp: ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 252 Note: In case power consumption control is DISABLED (for all models) the setting [4‑01] defines whether backup heater and booster heater can operate simultaneously, or if the booster heater/backup heater has priority over the backup heater/booster heater. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 253 ▪ 0 None: NOT installed ▪ 1 1/10kWh: Installed ▪ 2 1/kWh: Installed ▪ 3 10/kWh: Installed ▪ 4 100/kWh: Installed ▪ 5 1000/kWh: Installed ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 254 The average timer corrects the influence of ambient temperature variations. The weather-dependent setpoint calculation is done on the average outdoor temperature. The outdoor temperature is averaged over the selected time period. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 255: Averaging Time

    NOTICE Direct (SH) operation is only possible if space heating is turned ON. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 256 Range: 2°C~10°C (step: 1°C) The higher the value of [C‑04], the higher the accuracy of the switch-over between the heat pump system and the auxiliary boiler. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 257 Code Description [7.5.1] User settings > Electricity price > High [7.5.2] User settings > Electricity price > Medium ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 258 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 259: Auto Restart

    ▪ Unit is in heating operation and has been running for a few minutes ▪ Outdoor ambient temperature is low enough ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 260 1 Open the user interface panel and insert a USB memory stick. — 2 On the user interface, go to [9.N] Export MMI settings. 3 Select OK. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 261 Boiler off temperature (T +3+[7‑0D]) B Off HP tank heating ON temperature (Tank setpoint–[6‑00]) HP on HP! HP more efficient according to efficiency calculation for space heating ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 262 Range: 0 kW~63 kW (step: 1 kW) The capacity should be limited to the capacity provided by the heat pump. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 263 Equilibrium temperature: Outdoor temperature below which operation of the backup heater (and tank heating support in case of a bivalent system) is allowed. Range: –15°C~35°C ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 264 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 265 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) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 266: Commissioning

     272] 11.6.11 User profile [B] User profile: See "To change the user permission level" [  170]. [B] User profile Installer settings Commissioning User profile Operation Malfunctioning ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 267: Operation

    This needs the following components: WLAN cartridge The WLAN cartridge needs to be inserted in the user interface. See the installation manual of the WLAN cartridge. Router Field supply. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 268 [D.2] Reboot: Reboot the WLAN cartridge. Code Description [D.2] Reboot the gateway: ▪ Back ▪ [D.3] WPS: Connect the WLAN cartridge to the router. Code Description [D.3] WPS: ▪ ▪ ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 269 Connected to [WLAN_SSID] [D.6] Cloud connection: Read out the status of the connection to the cloud. Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 270: 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 271: Menu Structure: Overview Installer Settings

    Mixing valve turning time (*) Only applicable in Swedish language. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 272: Commissioning

    12 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user.

  • Page 273: Precautions When Commissioning

    ▪ Check that all parts of the hood fitted correctly. ▪ Check that the locking parts are closed. The outdoor unit is properly mounted. The outdoor unit's transportation stay is removed. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 274: Checklist During Commissioning

    To perform a test run. To perform an actuator test run. To perform (start) an underfloor screed dryout (if necessary). To set up a bivalent heat source. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 275: Minimum Flow Rate

    (domestic hot water) circuits. ▪ Automatic: The unit automatically changes the pump speed and fixes the two mixing valves (tank and bypass valve) at middle position. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 276  170]. 2 Go to [A.3]: Commissioning > Air purge. 3 In the menu, set Type = Manual. 4 Select Start air purge. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 277: Operation Test Run

    Conditions: Make sure all operation is disabled. Go to [C]: Operation and turn off Space heating/cooling and Tank operation. 1 Set the user permission level to Installer. See "To change the — user permission level" [  170]. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 278: Actuator Test Run

    Result: The actuator test run starts. It stops automatically when ready (±30 min). To stop the test run manually: — 1 In the menu, go to Stop test run. 2 Select OK to confirm. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 279: Underfloor Heating Screed Dryout

    ▪ checking the proper functioning of the setup on a regular basis, ▪ performing the correct program complying with the type of the used screed. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 280 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 281 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 282: To Set Up Bivalent Heat Sources

    For bivalent models, the factory setting of the field code [C-02] is set to 2. It is assumed that a controllable bivalent external heat source is connected (see the installer reference guide for more information). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 283 [C-02] set to 0. HINT: If field code [C-02] is set to 0 and no backup heater is connected, error UA 17 is output at AL 3 * ECH2O. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 284: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain about energy saving tips to the user as described in the operation manual. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 285: Maintenance And Service

    PCB. 14.2 Yearly maintenance 14.2.1 Yearly maintenance outdoor unit: overview Check the following at least once a year: ▪ Heat exchanger ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 286: Yearly Maintenance Outdoor Unit: Instructions

    Using an ohmmeter, check if contactors K1M, K2M, K3M and K5M (depending on your installation) operate correctly. All contacts of these contactors must be in open position when the power is turned OFF. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 287 2 Switch box 2 Check if the red level indicator is visible. If NOT, add water to the storage tank (see "8.6.7 To fill the storage tank" [  128]). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 288: Troubleshooting

    If you are unable to find the cause of the problem, call your dealer. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 289: Solving Problems Based On Symptoms

    15.3.2 Symptom: Hot water does NOT reach the desired temperature Possible causes Corrective action One of the tank temperature sensors is See the service manual of the unit for broken. the corresponding corrective action. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 290: Symptom: The Compressor Does Not Start (Space Heating Or Domestic Water Heating)

    15.3.4 Symptom: The system is making gurgling noises after commissioning Possible cause Corrective action There is air in the system. Purge air from the system. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 291 If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 292: Symptom: The Pump Is Blocked

    ▪ The valve (if equipped) of the water circuit towards the expansion vessel is open. ▪ The pre-pressure setting of the expansion vessel is correct. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 293: Symptom: The Pressure Relief Valve Opens

    The water pressure Whether there is air in the system The air purge operation ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 294: Symptom: Tank Disinfection Function Is Not Completed Correctly (Ah-Error)

    (disinfection function). The disinfection operation was stopped Do NOT stop tank operation during manually: [C.3] Operation > Tank was disinfection. turned off during disinfection. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 295: Solving Problems Based On Error Codes

    80-00 Returning water temperature sensor problem 81-00 Leaving water temperature sensor problem 81-01 Mixed water thermistor abnormality. 81-06 Entering water temperature thermistor abnormality (indoor unit) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 296 High pressure sensor abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor E6-00 OU: Compressor startup defect E7-00 OU: Malfunction of outdoor unit fan motor ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 297 Malfunction of INV PCB L3-00 OU: Electrical box temperature rise problem L4-00 OU: Malfunction of inverter radiating fin temperature rise L5-00 OU: Inverter instantaneous overcurrent (DC) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 298 Indoor unit, outdoor unit matching problem UA-16 Extension/hydro communication problem UA-17 Tank type problem UA-59 HPSU/Hydro combination abnormality UF-00 Reversed piping or bad communication wiring detection. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 299 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 300: Disposal

    Y3S Solenoid valve (hot gas bypass) Y4S Solenoid valve (liquid injection) To recover refrigerant when power is OFF 1 Make sure the stop valves are open. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 301: To Open The Stop Valves

    Electronic expansion valve c2 EEV coil c3 EEV magnet 1 Remove the EEV coil (c2). 2 Slide an EEV magnet (c3) over the expansion valve (c1). ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 302 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 303: Recovery Mode - In Case Of 3N~ Models (7-Segments Display)

    7-segments display Start from the default situation. Select mode 2. Press and hold BS1 for 5 seconds. Select setting 9. Press BS2 9 times. Select value 2. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 304 Enter the value in the system. Press BS3 once. Confirm. Press BS3 once. Return to the default situation. Press BS1 once. = OFF, = ON, and = flashing. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 305 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 306: Recovery Mode - In Case Of 1N~ 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. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 307: To Drain The Storage Tank

    To prepare draining when no optional fill and drain kit is available 1 Open the screw plug of the spillover connection. 2 Unplug the spillover connector. a Spillover connector b Screw plug ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 308 3 Insert the screw plug into the fill and drain kit and secure with the clip contained in the option kit. a Fill and drain kit b Screw plug ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 309: To Drain The Storage Tank With A Connected Pressureless Solar System

    2 Place an appropriate tray under the drain connection to collect water spillage. 3 Remove the clip and sealing plug. 4 Insert the fill and drain kit and secure with the clip. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 310 Sealing plug c Fill and drain kit 5 Open the valve of the fill and drain kit. 6 Switch the drain connection valve to standard position. ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 311: Technical Data

    Technical data 17 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of the latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 17.1...

  • Page 312: Service Space: Outdoor Unit

    17.1 Service space: Outdoor unit English Translation General General No top-side obstacle No top-side obstacle Top-side obstacle Top-side obstacle Wall height unrestricted Wall height unrestricted ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 313: Piping Diagram: Outdoor Unit

    Y1S Solenoid valve (4-way valve) Y2S Solenoid valve (low pressure bypass) Y3S Solenoid valve (hot gas bypass) Y4S Solenoid valve (liquid injection) Q1E Overload protector ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 314: Piping Diagram: Indoor Unit

    R3T Thermistor (Refrigerant liquid side) R4T Thermistor (Inlet water) R5T, R8T Thermistor (tank) R7T Thermistor (tank - water OUT) Screw connection Flare connection Quick coupling Brazed connection ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 315: Wiring Diagram: Outdoor Unit

    See note *** See note *** Only for *W1 models. Notes: Symbols: Live Neutral Protective earth Noiseless earth Field wiring Option Terminal strip Terminal Connector Connection ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 316 Magnetic relay (Y3S) Magnetic relay (Y4S) K6R~K84R (A1P) Magnetic relay K1M~K2M (A1P) Magnetic contactor L1R~L5R (A1P, A2P) Reactor Compressor motor Fan motor PS (A1P) Switching power supply ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 317 Printed circuit board (flash) BS1~BS4 (A1P) Push button switch C1~C4 (A1P, A2P) Capacitor DS1 (A1P) DIP switch Field fuse (field supply) F1U~F4U (A2P) Fuse (T 6.3 A / 250 V) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 318 Insulated Gate Bipolar Transistor (IGBT) Terminal strip Electronic expansion valve (main) Electronic expansion valve (injection) Solenoid valve (4‑way valve) Solenoid valve (low pressure bypass) Solenoid valve (hot gas bypass) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 319 Technical data Solenoid valve (liquid injection) Z1C~Z11C Noise filter (ferrite core) Z1F~Z6F (A1P, A2P) Noise filter ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 320: Wiring Diagram: Indoor Unit

     Safety thermostat  Safety thermostat Main LWT Main leaving water temperature  On/OFF thermostat (wired)  On/OFF thermostat (wired)  On/OFF thermostat (wireless)  On/OFF thermostat (wireless)  Ext. thermistor  External thermistor ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 321 # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit Thermal protector backup heater # Safety thermostat Q*DI # Earth leakage circuit breaker ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 322 BUH option Backup heater option BUH option only for * Backup heater option only for * Bizone mixing kit Bizone mixing kit Continuous Continuous current ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 323 Power limitation digital inputs: 12 V Power limitation digital inputs: DC / 12 mA detection (voltage supplied 12 V DC / 12 mA detection (voltage by PCB) supplied by PCB) ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 324 Only for wireless On/OFF thermostat Only for wireless On/OFF thermostat (6) Backup heater power supply (6) Backup heater power supply Only for *** Only for *** SWB2 Switch box ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 325 Only for remote user interface 2 core 2×0.75 X15M: 11-12 A14P: P1-P2 user interface communication Only for LAN adapter 2 core 2×0.75 A13P: P1-P2 LAN adapter communication 4D142802 ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 326: Esp Curve: Indoor Unit

    Max. operating pressure (refrigerant circuit) s Total refrigerant charge (for information, see installation instructions for the outdoor heat pump unit) t Attention: Flammable refrigerant ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...
  • Page 327 Technical data u Further information on the refrigerant: See instructions v Part number w Revision ERRA08~12E + ELSH/X(B)12P50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P759885-1A – 2024.12...

  • Page 328: 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 329: Field Settings Table

    1/18 Field settings table Applicable indoor units ELSH12P30E▲▼ ELSH12P50E▲▼ ELSHB12P30E▲▼ ELSHB12P50E▲▼ ELSX12P30E▲▼ ELSX12P50E▲▼ ELSXB12P30E▲▼ ELSXB12P50E▲▼ Notes (*1) *X* (*2) *H* (*3) (*4) EKECBUA3V (*5) EKECBUA6V (*6) EKECBUA9W BUH less (*7) 300L tank (*8) ▲ = 1, 2, 3, …, 9, A, B, C, …, Z  ▼  = , , 1, 2, 3, …, 9 4P717812-1 – 2022.11...
  • Page 330 2/18 Field settings table Breadcrumb Setting name Range, step Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: No 1: Yes 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 8°C └─ Setpoint range 1.5.1 [3-07] Heating minimum 12~18°C, step: 1°C 12°C 1.5.2 [3-06] Heating maximum...
  • Page 331 3/18 Field settings table Breadcrumb Setting name Range, step Default value 2.8.2 [9-00] Heating maximum 37~65, step: 1°C [2-0C]=2: 65°C [2-0C]≠2: 55°C 2.8.3 [9-03] Cooling minimum 5~18°C, step: 1°C 7°C 2.8.4 [9-02] Cooling maximum 18~22°C, step: 1°C 22°C Main zone [C-07] Control 0: Leaving water...
  • Page 332 4/18 Field settings table Breadcrumb Setting name Range, step Default value [0-06] High ambient temp. for LWT add zone cooling WD curve. 25~43°C, step: 1°C 35°C [0-07] Low ambient temp. for LWT add zone cooling WD curve. 10~25°C, step: 1°C 20°C Additional zone [2-0D]...
  • Page 333 5/18 Field settings table Breadcrumb Setting name Range, step Default value [2-06] Antifrost 0: No 1: Yes Tank [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C [6-0B] Eco setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0C] Reheat setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0D] Heat up mode...
  • Page 334 6/18 Field settings table Breadcrumb Setting name Range, step Default value 7.5.3 0,00~990/kWh 1/kWh User settings Gas price 0,00~990/kWh 0,00~290/MBtu 1,0/kWh Installer settings └─ Configuration wizard └─ System 9.1.3.2 [E-03] BUH type 0: no heater (*7) 2: 3V (*4) 3: 6V (*5) 4: 9W (*6) 9.1.3.3 [E-05]...
  • Page 335 7/18 Field settings table Breadcrumb Setting name Range, step Default value 9.1.6 [1-00] Low ambient temp. for LWT main zone heating WD curve. -40~5°C, step: 1°C -10°C 9.1.6 [1-01] High ambient temp. for LWT main zone heating WD curve. 10~25°C, step: 1°C 15°C 9.1.6 [1-02]...
  • Page 336 8/18 Field settings table Breadcrumb Setting name Range, step Default value 9.1.B.2 [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C 9.1.B.3 [6-0B] Eco setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C 9.1.B.4 [6-0C] Reheat setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C 9.1.B.5 [6-08] Hysteresis 2~20°C, step: 1°C 10°C └─...
  • Page 337 9/18 Field settings table Breadcrumb Setting name Range, step Default value └─ Balancing 9.6.1 [5-02] Space heating priority 0: Disabled 1: Enabled 9.6.2 [5-03] Priority temperature -15~35°C, step: 1°C 0°C 9.6.3 [5-04] Offset BSH setpoint 0~20°C, step: 1°C 10°C 9.6.4 [8-02] Anti-recycle timer 0~10 hour, step: 0,5 hour...
  • Page 338 10/18 Field settings table Breadcrumb Setting name Range, step Default value 9.9.D [4-01] Priority heater 0: None 1: Booster Heater 2: Backup Heater 9.9.F [7-07] BBR16 activation* 0: No *BBR16 settings are only visible when the language of the user 1: Yes interface is set to Swedish.
  • Page 339 11/18 Field settings table Breadcrumb Setting name Range, step Default value [0-02] High ambient temp. for LWT add zone heating WD curve. 10~25°C, step: 1°C 15°C [0-03] Low ambient temp. for LWT add zone heating WD curve. -40~5°C, step: 1°C -10°C [0-04] Leaving water value for high ambient temp.
  • Page 340 12/18 Field settings table Breadcrumb Setting name Range, step Default value [1-0C] What is the desired delta T in heating for the additional zone? 3~12°C, step: 1°C [2-0C] ≠ 2 (Radiator) 5°C [2-0C] = 2 (Radiator) 10°C [1-0D] What is the desired delta T in cooling for the main zone? 3~10°C, step: 1°C 5°C [1-0E]...
  • Page 341 13/18 Field settings table Breadcrumb Setting name Range, step Default value [4-00] What is the BUH operation mode? 0: Restricted 1: Allowed 2: Only DHW [4-01] Which electric heater has priority? 0: None 1: Booster Heater 2: Backup Heater [4-02] Below which outdoor temperature is heating allowed? 14~35°C, step: 1°C 35°C...
  • Page 342 14/18 Field settings table Breadcrumb Setting name Range, step Default value [5-0C] What is the requested limit for DI4? 0~20 kW, step: 0,5 kW 20 kW [5-0D] Backup heater voltage 0: 230V, 1~ (*4, *5, *7) 2: 400V, 3~ (*6) [5-0E] [6-00] The temperature difference determining the heat pump ON...
  • Page 343 15/18 Field settings table Breadcrumb Setting name Range, step Default value [7-0D] Hysteresis value used to control the tank bivalent in case it’s 2~20, step 0,5 °C supporting space heating operation 4 °C [7-0E] Offset on the setpoint to determine when the tank is high enough 2~22, step 0,5 °C to go the excess state 7 °C...
  • Page 344 16/18 Field settings table Breadcrumb Setting name Range, step Default value [9-0D] Pump speed limitation 0~8, step:1 0 : No limitation 1~4 : 90~60% pump speed 5~8 : 90~60% pump speed during sampling 6 80% pump speed [9-0E] [C-00] Domestic heating water priority. 0: Solar priority 1: Heat pump priority [C-01]...
  • Page 345 17/18 Field settings table Breadcrumb Setting name Range, step Default value [D-08] Is an external kWh meter used for power measurement? 0: No 1: 0,1 pulse/kWh 2: 1 pulse/kWh 3: 10 pulse/kWh 4: 100 pulse/kWh 5: 1000 pulse/kWh [D-09] Is an external kWh meter used for power measurement, kWh 0: No meter used for smart grid? 1: 0,1 pulse/kWh...
  • Page 346 18/18 Field settings table Breadcrumb Setting name Range, step Default value [F-09] Pump operation during flow abnormality. 0: Disabled 1: Enabled [F-0A] [F-0B] Close shut-off valve during thermo OFF? 0: No 1: Yes [F-0C] Close shut-off valve during cooling? 0: No 1: Yes [F-0D] What is the pump operation mode?
  • Page 348 4P759885-1A 2024.12...

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Altherma 3 r mt erra10e v3 seriesAltherma 3 r mt erra12e v3 seriesAltherma 3 r mt erra08e w1 seriesAltherma 3 r mt erra10e w1 seriesAltherma 3 r mt erra12e w1 seriesAltherma 3 r mt elsh12p50e series ... Show all

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