Daikin ELSH12P50EF Installer's Reference Manual
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Daikin ELSH12P50EF Installer's Reference Manual

Daikin ELSH12P50EF 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
ELSH12P30E▲▼
ELSHB12P30E▲▼
ELSX12P30E▲▼
ELSXB12P30E▲▼
ELSH12P50EF
ELSHB12P50EF
ELSX12P50EF
ELSXB12P50EF
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9

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  • Page 1 Installer reference guide Daikin Altherma 3 R MT ECH₂O https://daikintechnicaldatahub.eu ▲= 1, 2, 3, …, 9, A, B, C, …, Z ERRA08E▲V3▼ ELSH12P30E▲▼ ▼= , , 1, 2, 3, …, 9 ERRA10E▲V3▼ ELSHB12P30E▲▼ ERRA12E▲V3▼ ELSX12P30E▲▼ ERRA08E▲W1▼ ELSXB12P30E▲▼ ERRA10E▲W1▼ ERRA12E▲W1▼ ELSH12P50EF...

  • 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)12P30+50E Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 3 To fill the storage tank ........................... 126 8.6.8 To insulate the water piping.......................... 127 9 Electrical installation About connecting the electrical wiring.......................... 128 9.1.1 Precautions when connecting the electrical wiring..................128 ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 4 11.6.12 Operation ............................... 265 11.6.13 WLAN ................................265 11.7 Menu structure: Overview user settings ........................268 11.8 Menu structure: Overview installer settings ......................... 269 12 Commissioning Installer reference guide ERRA08~12E + ELSH/X(B)12P30+50E Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 5 17.5 Wiring diagram: Indoor unit............................318 17.6 ESP curve: Indoor unit ..............................324 17.7 Name plate: Indoor unit..............................324 18 Glossary 19 Field settings table ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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: Installation

    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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 20 For details on the fuse ratings, the fuse types and the circuit breaker ratings, see "9 Electrical installation" [  128]. Configuration (see "11 Configuration" [  167]) CAUTION The disinfection function settings MUST be configured by the installer according to the applicable legislation. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 21 If you are unable to find the cause of the problem, call your dealer. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 22 "7.3.7 To remove the discharge grille, and put the grille in safety position" [  96] 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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" [  92] 4.1.2 To unpack the outdoor unit ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 26: Indoor Unit

    1× 1× 17× 20× 1× 1× 1× 1× 1× 2× 1× 1× 1× 1× 1× 1× a Handle (only required for transport) b Thread cover ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 27: To Handle The Indoor Unit

    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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 28: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 29: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 30: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 31 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 32  148]. 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 33 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 34: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

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

    NOTICE A differential pressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 36: Single Room

    For your daily needs, you can use preset values and schedules. To deviate from your daily needs, you can temporarily overrule the preset values and schedules, or use the holiday mode. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 37: External Room Thermostat)

    Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/OFF signals, it is specifically designed for the heat pump system. ▪...
  • Page 38 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 39 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 40: Multiple Rooms - One Lwt Zone

    Human Comfort Interface (BRC1HHDA) or an external room thermostat), while the other rooms are controlled by so-called thermostatic valves, which open or close depending on the room temperature. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 41 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 42 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 43 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 44 EKVKHPC on each heat pump convector. Configuration Setting Value Unit temperature control: 1 (External room thermostat): Unit operation is decided by the ▪ #: [2.9] external thermostat. ▪ Code: [C-07] ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 45 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 46: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 47 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 48 (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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 49 If the main zone must be shut off during cooling mode to prevent condensation on the floor, set it accordingly. "Bizone kit" [  262] for more information on configuration of the bizone kit. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 50: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 51 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 52 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 53: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 54: 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 55: Setting Up A Solar System Via Bivalent Heat Exchanger

     259] 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 56: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 57: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 58: Setup And Configuration - Storage Tank

    "9.3.7 To connect the domestic hot water pump" [  151]. ▪ For installation instructions of the optional recirculation connection, see the installation manual of the recirculation kit (141554). ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 59: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 60: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 61: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 62: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 63: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 64: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 65 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 66: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 67: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 68 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 69: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 70: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 71: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 72: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 73: 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" [  75]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 74 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 75: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 76 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 77 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 78 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 79 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 80 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 81 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 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 ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 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 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 83 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 84: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 85: 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" [  86]). ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 86: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 87: To Open The Indoor Unit

    The top cover can only be removed if the switch box is lowered. Overview 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 88 Prerequisite: The user interface panel has been opened. 1 Loosen the screws. 2 Lift up the switch box. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 89 ▪ Connecting backup heater Prerequisite: The user interface panel has been opened and the switch box has been lowered. 1 Loosen the top cover screws. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 90: To Close The Indoor Unit

    Installing the discharge grille. Protecting the unit against snow and wind by installing a snow cover and baffle plates. See "7.1 Preparing the installation site" [  69]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 91: Precautions When Mounting The Outdoor Unit

    When installing on a pedestal, make sure that the discharge grille still can be put in its safety position. See "7.3.7 To remove the discharge grille, and put the grille in safety position" [  96]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 92: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 93: To Provide Drainage

    (see the following figure). ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 94: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 95 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 96: To Remove The Discharge Grille, And Put The Grille In Safety Position

     94] ▪ "7.3.7 To remove the discharge grille, and put the grille in safety position" [  96] 1 Remove the upper part of the discharge grille. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 97 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 98: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 99 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 100 Unit installation a Pressure relief valve ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 101: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 102: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 103: Precautions When Connecting The Refrigerant Piping

    ▪ Use caution when passing copper tubes through walls (see figure below). ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 104: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 105: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 106: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 107: 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" [  84]). 2 Detach the outer side of the rubber grommet. 3 Do the following: ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 108 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 109: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 110: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 111: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 112: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 113: 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" [  101] ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 114: Charging Additional Refrigerant

    ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 115: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 116: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 117 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 118 See "6.4.4  DHW pump for instant hot water" [  58]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 119: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 120: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 121 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 122 6 Support the water piping. For rearward facing connections: Support hydraulic lines suitably according to the spatial conditions. This is valid for all water pipes. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 123 A pressure relief valve (field supply) with an opening pressure of maximum 10  bar (=1  MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 124: To Connect The Expansion Vessel

    1 Connect a hose with a non-return valve (1/2") and an external manometer (field supply) to a water tap and the fill and drain valve. Secure the hose against slipping off. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 125 8 Close the fill and drain valve and remove the hose with non-return valve only after air purging is performed and the system is completely filled. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 126: To Fill The Heat Exchanger Inside The Storage Tank

    1 Connect a hose with non-return valve (1/2") to the drainback connection. 2 Fill the storage tank until water spills from the spillover connection. 3 Remove the hose. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 127: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 128: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 129: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 130 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 131: 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 132: 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" [  137]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 133: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 134: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 135 — 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 136 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 137: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 138: Connections To The Indoor Unit

    Changeover to external "9.3.10 To connect the changeover to external heat source control heat source" [  154]. Power consumption digital "9.3.11 To connect the power consumption inputs digital inputs" [  155]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 139 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 140 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 141: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 142 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 143: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 144 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 145: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 146: Running Current

    Z less than or equal to Z Connect the backup heater power supply as follows: ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 147 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 148: To Connect The Backup Heater To The Main Unit

    3 Switch box cover 4 Top cover 2 Connect both connection cables from the backup heater EKECBU* to the appropriate connectors as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 149: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 150: To Connect The Electricity Meters

    2 Switch box 3 Switch box cover 4 Top cover 3 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 151: To Connect The Domestic Hot Water Pump

    3 Switch box cover 4 Top cover 3 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 152: To Connect The Alarm Output

    2 Switch box 3 Switch box cover 4 Top cover 3 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 153: To Connect The Space Cooling/Heating On/Off Output

    3 Switch box cover 4 Top cover 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 154: To Connect The Changeover To External Heat Source

    3 Switch box cover 4 Top cover 3 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 155: To Connect The Power Consumption Digital Inputs

    "7.2.6 To open the indoor unit" [  87]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 3 Install the switch box metal insert. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 156 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" [  141]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 157: 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" [  141]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 158: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 159 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 160 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 161 Electrical installation 3 Install the components of the Smart Grid relay kit as follows: 2× 2× ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 162 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 163: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 164: 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" [  87]): ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 165 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" [  141]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 166: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 167: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 168: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 169 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 170: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 171: Configuration Wizard

     201] Control [2.9] 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] ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 172: Possible Screens

    Main menu screen c Lower level screens: c1: Setpoint screen c2: Detailed screen with values c3: Screen with weather-dependent curve c4: Screen with schedule ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 173: Home Screen

    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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 174 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 175: Main Menu Screen

    Shows the applicable symbol of your unit. Space heating/ cooling Put the unit in heating mode or cooling mode. You cannot change the mode on heating only models. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 176: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 177: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 178: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 179 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 180 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 181 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 182: Preset Values And Schedules

    "Possible actions" in "Possible predefined schedules are not satisfactory. schedules" [  183] The actions you can program are control ▪ "11.4.3  Schedule screen: specific. Example" [  185] ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 183 [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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 184 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 185: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 186 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 187 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 188 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 189: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 190 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 191: Weather-Dependent Curve

    ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 192: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 193: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 194: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 195 Offset temperatures … temperatures … Cold ↑ — ↓ — Cold ↓ ↑ Cold Cold — ↑ Cold ↓ ↑ ↑ ↓ Cold ↑ ↓ ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 196: Settings Menu

    [0] Malfunctioning User profile Operation Malfunctioning Room Main zone 11.6.2 Room Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 197 [2.9] Control=Leaving water. In the above cases, Antifrost will heat the space heating water to a reduced setpoint when the outdoor temperature is lower than 6°C. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 198 ▪ Operation mode=Heating according to normal logic. ▪ Space heating/cooling=On, and There is no room frost protection. ▪ Operation mode=Cooling External room thermostat control ([C‑07]=1) ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 199 [2‑05], the unit will supply leaving water to the heat emitters to heat up the room again. Code Description [1.4.1] [2-06] Activation: ▪ 0 No: Antifrost functionality is OFF. ▪ 1 Yes: Antifrost functionality is on. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 200 Room sensor offset (Human Comfort Interface (BRC1HHDA used as room thermostat)): Offset on the actual room temperature measured by the Human Comfort Interface. ▪ –5°C~5°C, step 0.5°C ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 201: Main Zone

    [2.D] Shut off valve [2.E] WD curve type Setpoint screen Control the leaving water temperature for the main zone via setpoint screen [2] Main zone. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 202 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 203 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 204 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 205 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 206 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 207 Delta  T is the absolute value of the temperature difference between the leaving water and entering water. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 208 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 209 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 210: Additional Zone

     192] and "11.5.3 Slope-offset curve" [  193]. 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 211  185]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [  202]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 212 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 213 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 214 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "11.6.3 Main zone" [  201]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 215: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 216 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 217 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 218 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 219 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 220 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 221 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 222 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 223 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 224: 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" [  196]. 11.6.6 Tank Overview The following items are listed in the submenu: ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 225 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 226 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 227 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 228 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 229 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 230: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 231 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 232 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 233 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 234 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 235: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 236 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 237: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 238 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 239 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 240 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 241 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 242 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 243 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 244 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 245 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 246 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 247 Therefore, always enable the auto restart function. ▪ 3 Smart Grid: A Smart Grid is connected to the system ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 248 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 249 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 250 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 251 ▪ 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 252 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 253: Averaging Time

    NOTICE Direct (SH) operation is only possible if space heating is turned ON. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 254 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 255 Code Description [7.5.1] User settings > Electricity price > High [7.5.2] User settings > Electricity price > Medium ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 256 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 257 ▪ Unit is in heating operation and has been running for a few minutes ▪ Outdoor ambient temperature is low enough ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 258 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 259 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 260 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 261 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 262 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 263 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 264: Commissioning

     270] 11.6.11 User profile [B] User profile: See "To change the user permission level" [  168]. [B] User profile Installer settings Commissioning User profile Operation Malfunctioning ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 265: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 266 [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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 267 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 268: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 269: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 270: 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 271: Precautions When Commissioning

    ▪ Check that the top cover is secured with the screws (Top cover screws). The outdoor unit is properly mounted. The outdoor unit's transportation stay is removed. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 272: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 273: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 274  168]. 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 275: 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" [  168]. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 276: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 277: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 278 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 279 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 280: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 281 [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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 282: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 283: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 284: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 285 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" [  126]). ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 286: Troubleshooting

    If you are unable to find the cause of the problem, call your dealer. ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 287: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 288: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 289 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 290: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 291: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 292: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 293: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 294 OU: Actuation of high pressure switch (HPS) E3-24 High pressure sensor abnormality E4-00 Abnormal suction pressure E5-00 OU: Overheat of inverter compressor motor E6-00 OU: Compressor startup defect ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 295 JC-01 Evaporator pressure abnormality L1-00 Malfunction of INV PCB L3-00 OU: Electrical box temperature rise problem L4-00 OU: Malfunction of inverter radiating fin temperature rise ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 296 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 297 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 298: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 299: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 300 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 301: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 302 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 303 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 304: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 305: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 306 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 307: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 308 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 309: 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 310: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 311: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 312: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 313: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 314 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 315 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 316 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 317 Technical data Solenoid valve (liquid injection) Z1C~Z11C Noise filter (ferrite core) Z1F~Z6F (A1P, A2P) Noise filter ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 318: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 319 # 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 320 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 321 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 322 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 323: Electrical Connection Diagram

    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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 324: 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)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...
  • Page 325 Technical data u Further information on the refrigerant: See instructions v Part number w Revision ERRA08~12E + ELSH/X(B)12P30+50E Installer reference guide Daikin Altherma 3 R MT ECH₂O 4P708486-1A – 2024.12...

  • Page 326: 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 327: 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 328 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 329 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 330 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 331 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 332 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 333 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 334 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 335 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 336 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 337 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 338 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 339 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 340 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 341 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 342 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 343 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 344 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 4P708486-1A 2024.12...

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