Daikin EHFZ03S18DJ3V Installer's Reference Manual
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Daikin EHFZ03S18DJ3V Installer's Reference Manual

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Daikin Altherma 3 R F
ERLA03DAV3
EHFZ03S18DJ3V

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Summary of Contents for Daikin EHFZ03S18DJ3V

  • Page 1 Installer reference guide Daikin Altherma 3 R F ERLA03DAV3 EHFZ03S18DJ3V...

  • Page 2: Table Of Contents

    About opening the units..........................54 7.2.2 To open the outdoor unit..........................54 7.2.3 To close the outdoor unit..........................54 7.2.4 To open the indoor unit ..........................55 Installer reference guide ERLA03DAV3 + EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 3 To connect the electrical wiring to the outdoor unit ..................90 Connections to the indoor unit ............................91 9.3.1 To connect the main power supply........................ 94 9.3.2 To connect the backup heater power supply ....................96 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 4 Symptom: The pressure relief valve opens....................180 14.3.7 Symptom: The water pressure relief valve leaks................... 180 14.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........... 181 Installer reference guide ERLA03DAV3 + EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 5 16.3 Wiring diagram: Outdoor unit ............................195 16.4 Wiring diagram: Indoor unit ............................197 16.5 ESP curve: Indoor unit..............................202 17 Glossary 18 Field settings table ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 6: About This Document

    The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).

  • Page 7: Meaning Of Warnings And Symbols

    Indicates a situation that could result in death or serious injury. WARNING: FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 8: Installer Reference Guide At A Glance

    Piping installation What to do and know to install the piping of the system, including information on how to prepare for an installation ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 9 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 10: General Safety Precautions

    Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).

  • Page 11: Installation Site

    Make sure the field piping and connections are NOT subjected to stress. WARNING During tests, NEVER pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 12 ONLY use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 13: Water

    If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 14 Install power cables at least 1  meter away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1  meter may NOT be sufficient. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 15 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 16: Specific Installer Safety Instructions

    The appliance shall be stored so as to prevent mechanical damage and in a well- ventilated room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 17 Specific installer safety instructions WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. Opening and closing the units (see "7.2 Opening and closing the units" [  54]) DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed.
  • Page 18 WARNING ALWAYS use multicore cable for power supply cables. CAUTION Do NOT push or place redundant cable length in the unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 19 [A.4.4.5] is NOT interrupted by possible domestic hot water demand. Commissioning (see "11 Commissioning" [  158]) WARNING Commissioning method MUST be in accordance with the instructions from this manual. See "11 Commissioning" [  158]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 20 NEVER shunt safety devices or change their values to a value other than the factory default setting. If you are unable to find the cause of the problem, call your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 21 ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 22: About The Box

    Fragile, handle the unit with care. Keep the unit upright in order to avoid damage. ▪ Prepare the path along which you want to bring the unit inside in advance. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 23: Outdoor Unit

    Outdoor unit installation manual b Multilingual fluorinated greenhouse gases label c Drain plug (located on the bottom of the packing case) d Energy label e Fluorinated greenhouse gases label ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 24: Indoor Unit

    Sealing tape for low voltage wiring intake h Main user interface 4.3.3 To handle the indoor unit Use the handles at the back and at the bottom to carry the unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 25 Handles at the back of the unit b Handles at the bottom of the unit. Carefully tilt the unit to the back so that the handles become visible. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 26: About The Units And Options

    European split outdoor pair heat pump Low water temperature – ambient zone (see operation range) Refrigerant R32 Capacity class Model series Power supply 5.1.2 Identification label: Indoor unit Location ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 27: Combining Units And Options

    Control close to the indoor unit (by the main user interface) ▪ Room thermostat functionality in the principal space to be heated (by the optional user interface) EKRUDAL1 contains following languages: English, French, Dutch, Italian. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 28 As an option the remote indoor sensor can be installed to measure the room temperature on another location. For installation instructions, see the installation manual of the remote indoor sensor and addendum book for optional equipment. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 29 Control the system via a smartphone app. ▪ Use the system in various Smart Grid applications. For installation instructions, see the installation manual of the LAN adapter. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 30 LAN adapter for smartphone control (BRP069A62) You can install this LAN adapter to control the system via a smartphone app. For installation instructions, see the installation manual of the LAN adapter. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 31: Application Guidelines

    Setting up the domestic hot water tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 32: Setting Up The Space Heating/Cooling System

    Main zone = Zone with the lowest design temperature in heating, and the highest design temperature in cooling ▪ Additional zone = Zone with the highest design temperature in heating, and the lowest design temperature in cooling ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 33 B Room 1 C Room 2 D Main leaving water temperature zone E Room 3 a Heat pump convectors (+ controllers) b User interface used as room thermostat ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 34 ▪ Other rooms external room thermostat functionality Number of water temperature zones: 1 (2 LWT zones): Main + additional ▪ #: [A.2.1.8] ▪ Code: [7-02] ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 35: Setting Up An Auxiliary Heat Source For Space Heating

    Bivalent operation is only possible for space heating, NOT for domestic hot water production. Domestic hot water is always produced by the DHW tank connected to the indoor unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 36 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 37 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 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 38: Setting Up The Domestic Hot Water Tank

    Example: If the DHW consumption for 2 persons per day is as follows: ▪ 1 showers ▪ 1 bath ▪ 2 sink volumes Then the DHW consumption = (1×100 l)+(1×150 l)+(2×10 l)=270 l ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 39: Setup And Configuration - Dhw Tank

    Thermodynamic cycle of the heat pump Electrical backup heater ▪ For more information about optimizing the energy consumption for producing domestic hot water, see "10 Configuration" [  110]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 40: Dhw Pump For Instant Hot Water

    The DHW pump is field-supplied and its installation is the responsibility of the installer. For the electrical wiring, see "9.3.6 To connect the domestic hot water pump" [  101]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 41: Setting Up The Energy Metering

    The flow rate ▪ Setup and configuration: No additional equipment needed. 6.5.2 Consumed energy You can use the following methods to determine the consumed energy: ▪ Calculating ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 42: Normal Kwh Rate Power Supply

    Single-phase outdoor unit Single-phase ▪ Backup heater supplied from a single- phase grid (i.e. the backup heater model is *3V connected to a single- phase grid) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 43: Preferential Kwh Rate Power Supply

    Power meter 2: Measures the rest (i.e. indoor unit and backup heater). Setup ▪ Connect power meter 1 to X5M/5 and X5M/6. ▪ Connect power meter 2 to X5M/3 and X5M/4. "9.3.5 To connect the electricity meters" [  100]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 44: Setting Up The Power Consumption Control

    Power input t Time DI Digital input (power limitation level) a Power limitation active b Actual power input Setup and configuration ▪ No additional equipment needed. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 45: Power Limitation Activated By Digital Inputs

    6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪...

  • Page 46: Power Limitation Process

    Produced heat Consumed energy A Outdoor unit B Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Backup heater step 1 turned ON ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 47: Setting Up An External Temperature Sensor

    To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 48: Unit Installation

    WARNING The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 49: Installation Site Requirements Of The Outdoor Unit

    It is recommended to install a baffle plate when the air outlet is exposed to wind. It is recommended to install the outdoor unit with the air inlet facing the wall and NOT directly exposed to the wind. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 50 If the outdoor unit is exposed to direct sea winds, install a windbreaker. ▪ Height of windbreaker≥1.5×height of outdoor unit ▪ Mind the service space requirements when installing the windbreaker. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 51: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    ([8-0E]) field setting. This setting can also be changed via the menu structure. See the installation manual of the indoor unit for how to change the setting. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 52: Installation Site Requirements Of The Indoor Unit

    Maximum height difference between indoor unit and outdoor 20 m unit Refrigerant piping length is the one-way length of liquid piping. ▪ Mind the following spacing installation guidelines: ≥500 ≥600 (mm) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 53 (example: open flames, an operating gas appliance or an operating electric heater). WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. NOTICE ▪...

  • Page 54: Opening And Closing The Units

    DANGER: RISK OF BURNING/SCALDING 1× 7.2.3 To close the outdoor unit NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 1.3 N•m. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 55: To Open The Indoor Unit

    High voltage switch box cover Open 1 Remove the top panel. 7× 2 Remove the upper front panel. Open the hinges at the top and slide the top panel upwards. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 56 ▪ When you need access to the high voltage switch box 2× 5 If you need access to the high voltage components, remove the high voltage switch box cover. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 57: To Lower The Switch Box On The Indoor Unit

    2 Tilt the switch box to the front and lift it out of its hinges. 2× 3 Place the switch box lower on the unit. Use the 2 hinges located lower on the unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 58: To Close The Indoor Unit

    Fix the unit securely by means of foundation bolts in accordance with the foundation drawing. Prepare 4 sets of M8 or M10 anchor bolts, nuts and washers (field supply). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 59: To Install The Outdoor Unit

    Prepare a water drainage channel around the foundation to drain waste water away from the unit. ▪ Avoid drain water flowing over the footpath, so that it does NOT become slippery in case of ambient freezing temperatures. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 60: To Prevent The Outdoor Unit From Falling Over

    3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint (field supply). 4 Attach the ends of the cables. 5 Tighten the cables. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 61: Mounting The Indoor Unit

    4 Adjust the height of the leveling feet to compensate for floor irregularities. The maximum allowed deviation is 1°. ≤1° NOTICE Do NOT tilt the unit forwards: 1° 1° 0° ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 62: To Connect The Drain Hose To The Drain

    It is recommended to use a tundish to collect the water. Option 1: Through the left side panel 3× Option 2: Through the right side panel 3× ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 63: 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. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 64: Piping Installation

    "Special requirements for R32" [  53] for additional requirements. ▪ Piping length: See "7.1.3 Installation site requirements of the indoor unit" [  52]. ▪ Piping material: Phosphoric acid deoxidised seamless copper. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 65: Refrigerant Piping Insulation

    Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the outdoor unit ▪ Connecting the refrigerant piping to the indoor unit ▪ Insulating the refrigerant piping ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 66: Precautions When Connecting The Refrigerant Piping

    Use caution when passing copper tubes through walls (see figure below). Unit Installation period Protection method Outdoor unit >1 month Pinch the pipe <1 month Pinch or tape the pipe Indoor unit Regardless of the period ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 67: Guidelines When Connecting The Refrigerant Piping

    1 Cut the pipe end with a pipe cutter. 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 68: 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. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 69: 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: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 70: To Connect The Refrigerant Piping To The Outdoor Unit

    1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit. a Liquid stop valve b Gas stop valve c Service port ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 71: 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. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 72: Precautions When Checking The Refrigerant Piping

    Vacuum pump f 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). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 73: To Perform Vacuum Drying

    4 After turning the pump OFF, check the pressure for at least 1 hour. 5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour, do the following: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 74: Charging Refrigerant

    R32 contains fluorinated greenhouse gases. Its global warming potential (GWP) value is 675. Do NOT vent these gases into the atmosphere. ▪ When charging refrigerant, ALWAYS use protective gloves and safety glasses. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 75: Precautions When Charging Refrigerant

    2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. 8.5 Preparing water piping 8.5.1 Water circuit requirements INFORMATION Also read the precautions and requirements in the "2  General safety precautions" [  10]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 76 Water pressure – Domestic hot water. The maximum water pressure is 4 bar. Provide adequate safeguards in the water circuit to ensure that the maximum pressure is NOT exceeded. The minimum water pressure to operate is 1 bar. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 77 This procedure must be repeated at least once a day the first 5 consecutive days after installation. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 78: Formula To Calculate The Expansion Vessel Pre-Pressure

    There are no requirements for the minimum water volume. INFORMATION In critical processes, or in rooms with a high heat load, extra water might be required. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 79 Use the following graph to determine the maximum water volume for the calculated pre-pressure. a Pre-pressure (bar) b Maximum water volume (l) Example: Maximum water volume and expansion vessel pre-pressure ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 80: Changing The Pre-Pressure Of The Expansion Vessel

    "11.4  Checklist during commissioning" [  160]. 8.5.4 Changing the pre-pressure of the expansion vessel NOTICE ONLY a licensed installer may adjust the pre-pressure of the expansion vessel. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 81: To Check The Water Volume: Examples

    Because 250  l is lower than 290  l, the expansion vessel is appropriate for the installation. 8.6 Connecting water piping 8.6.1 About connecting the water piping Before connecting the water piping Make sure the outdoor and indoor unit are mounted. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 82: Precautions When Connecting The Water Piping

    DHW – Cold water IN (screw connection, 3/4") e Space heating/cooling main/mixed zone – Water OUT (screw connection, 1") f Space heating/cooling main/mixed zone – Water IN (screw connection, 1") ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 83 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. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 84: To Connect The Recirculation Piping

    8.6.6 To fill the domestic hot water tank 1 Open every hot water tap in turn to purge air from the system pipe work. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 85: 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. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 86: Electrical Installation

    Typical workflow Connecting the electrical wiring typically consists of the following stages: ▪ "9.2 Connections to the outdoor unit" [  90] ▪ "9.3 Connections to the indoor unit" [  91] ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 87: Precautions When Connecting The Electrical Wiring

    If stranded conductor wires are used, install a round crimp-style terminal on the end of the wire. Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 88: About Electrical Compliance

    ≤16 A per phase.). Only for the backup heater of the indoor unit "9.3.2 To connect the backup heater power supply" [  96]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 89: About Preferential Kwh Rate Power Supply

    Normal power supply ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 90: Connections To The Outdoor Unit

    An excessive strip length may cause electrical shock or leakage 3 Open the wire clamp. 4 Connect the interconnection cable and power supply as follows: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 91: Connections To The Indoor Unit

     103]. Power consumption digital "9.3.10 To connect the power consumption inputs digital inputs" [  105]. Safety thermostat "9.3.11 To connect the safety thermostat (normally closed contact)" [  106]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 92 Installation manual of the remote outdoor sensor ▪ Addendum book for optional equipment Wires: 2×0.75 mm² [A.2.2.B]=1 (External sensor=Outdoor sensor) [A.6.5] Ext amb. sensor offset [A.6.4] Averaging time ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 93 (field supply, see addendum book for optional equipment) LAN adapter – System requirements The requirements posed on the Daikin Altherma system depend on the LAN adapter application/system layout (app control): ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B –...

  • Page 94: To Connect The Main Power Supply

    In case of normal kWh rate power supply Interconnection cable Wires: (3+GND)×1.5 mm² (= main power supply) — 1 2 3 1 2 3 X11YB X11YA X11Y a Interconnection cable (=main power supply) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 95 Interconnection cable (=main power supply) b Normal kWh rate power supply c Preferential power supply contact 3 Fix the cables with cable ties to the cable tie mountings. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 96: To Connect The Backup Heater Power Supply

    Z less than or equal to Z Connect the power supply of the backup heater as follows: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 97: To Connect The User Interface

    Maximum length: 200 m [A.2.1.7] Unit control method [A.2.1.B] User interface location [A.3.2.2] Room temp. offset 1 Open the following (see "7.2.4 To open the indoor unit" [  55]): ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 98 4 Fix the wallplate of the user interface to the wall. 5 Connect as shown in A, B, C or D: A From the rear B From the left 1× 1× ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 99: To Connect The Shut-Off Valve

    2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. NOTICE Wiring is different for a NC (normally closed) valve and a NO (normally open) valve. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 100: To Connect The Electricity Meters

    1 Top panel 2 Upper front panel 3 Upper switch box cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 101: To Connect The Domestic Hot Water Pump

    2 Upper front panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 102: To Connect The Alarm Output

    2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. Wires connected to the alarm output Wire between X2M and A4P Installation of EKRP1HBAA is required. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 103: To Connect The Space Cooling/Heating On/Off Output

    2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. Wires connected to the space cooling/heating ON/OFF output Wire between X2M and A4P Installation of EKRP1HBAA is required. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 104: To Connect The Changeover To External Heat Source

    2 Upper front panel 3 Upper switch box cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 105: To Connect The Power Consumption Digital Inputs

    2 Upper front panel 3 Upper switch box cover 2 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 106: To Connect The Safety Thermostat (Normally Closed Contact)

    3 Upper switch box cover Main zone Wires: 2×0.75 mm² — 2 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 107 15 V DC, 10 mA. [A.2.1.6]=3 (Forced off contact = Thermostat) 4 Connect the safety thermostat (normally closed) cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 108: After Connecting The Electrical Wiring To The Indoor Unit

    9.4 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box, seal the low voltage wiring intake using the sealing tape (delivered as accessory). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 109 Electrical installation Without low voltage cables With low voltage cables ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 110: Configuration

    Configuring via the PC You can prepare the configuration off-site on PC and configurator afterwards upload the configuration to the system with the PC configurator. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 111: To Change The User Permission Level

    The Installer permission level switches automatically back to End user in the following cases: ▪ If you press again for more than 4 seconds, or ▪ If you do NOT press any button for more than 1 hour ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 112: To Access The Most Used Commands

    5 Repeat previous steps if you have to modify other settings. 6 Push to confirm the modification of the parameter. 7 At installer settings menu, press to confirm the settings. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 113: To Copy The System Settings From The First To The Second User Interface

    Copy the data of the other user interface to this user interface. 5 Confirm to proceed. Start copy Are you sure you want to start the copy operation? Cancel Confirm Adjust ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 114: Quick Wizard: Set The System Layout After First Power On

    3 Set the system layout settings: Standard, Options, Capacities. For more details, see "10.2 Basic configuration" [  115]. System layout Standard Options Capacities Confirm layout Select Scroll 4 After configuration, select Confirm layout and press ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 115: Basic Configuration

    Unit operation is decided based on the ambient temperature of the user interface. Space heating/cooling: User interface location Code Description [A.2.1.B] User interface location ▪ 0 (At unit) ▪ 1 (In room) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 116 There is only 1 leaving water temperature zone. This zone is called the main leaving water temperature zone. a Bypass b Main LWT zone 2 LWT zones: There are 2 leaving water temperature zones: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 117 Remark: Sample is NOT available in external room thermostat control or room thermostat control. a Space heating/cooling control (user interface) b OFF ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 118: Quick Wizard: Options

    Domestic hot water settings Domestic hot water: DHW operation Code Description [A.2.2.1] [E-05] DHW operation: ▪ 0 (No, no tank installed) ▪ 1 (Yes, tank installed) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 119 User interface of the indoor unit B User interface used as room thermostat at main zone c External room thermostat at additional zone ▪ [C‑07]=1 (Ext RT control) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 120 ON/OFF): See Contact type main. Connected on the indoor unit (X2M/1a). ▪ 2 (H/C request)(default): See Contact type main. Connected on the indoor unit (X2M/1a and 2a). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 121 NOT be powered when an alarm occurs. Alarm output logic [C-09] Alarm No alarm No power supply to unit 0 (default) Closed output Open output Open output ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 122 Optional external kWh meter 2: ▪ 0 (No): NOT installed ▪ 1: Installed (0.1 pulse/kWh) ▪ 2: Installed (1 pulse/kWh) ▪ 3: Installed (10 pulse/kWh) ▪ 4: Installed (100 pulse/kWh) ▪ 5: Installed (1000 pulse/kWh) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 123: Space Heating/Cooling Control

    [1-07] [1‑08] Set weather-dependent cooling: [1-09] [1-08] [1-09] [1-06] [1-07] ▪ : Target leaving water temperature (main) ▪ : Outdoor temperature Also see "10.3 Weather-dependent curve" [  127]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 124 This applies to both temperature zones. Change the value of Delta T if another minimum temperature difference is required for the good operation of the heat emitters in heating or cooling mode. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 125 Heating up or cooling down the main zone can take longer. This depends on: ▪ The water volume of the system ▪ The heater emitter type of the main zone ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 126: Domestic Hot Water Control

    During disinfection of the domestic hot water tank, the DHW  temperature can exceed this maximum temperature. INFORMATION Limit the maximum hot water temperature according to the applicable legislation. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 127: Contact/Helpdesk Number

    The weather-dependent curve is available for: ▪ Main zone - Heating ▪ Main zone - Cooling ▪ Additional zone - Heating ▪ Additional zone - Cooling ▪ Tank ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 128: 2-Points Curve

    [7.7.1.2] Main > Set weather- dependent cooling Additional zone – Heating [7.7.2.1]Additional > Set weather-dependent heating Additional zone – Cooling [7.7.2.2] Additional > Set weather-dependent cooling ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 129: Advanced Configuration/Optimisation

    NOTICE The preset leaving water temperatures are ONLY applicable for the main zone, as the schedule for the additional zone consists of On/OFF actions. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 130 Example: Set the minimum leaving water temperature to 28°C to avoid NOT to be able to heat up the room: leaving water temperatures MUST be sufficiently higher than the room temperatures (in heating). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 131 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). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 132 ▪ 0 (disabled) ▪ 1 (enabled) [1-05] Weather-dependent cooling of the additional leaving water temperature zone is… ▪ 0 (disabled) ▪ 1 (enabled) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 133 [ 9-0C ] a Room temperature b Actual room temperature c Desired room temperature d Time Code Description [9-0C] 1°C~6°C ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 134 ([2‑06]) is enabled and the room temperature drops below the room antifrost temperature ([2‑05]), the unit will supply leaving water to the heat emitters to heat up the room again. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 135 When the leaving water temperature home page is ON and the external room thermostat is "Thermo ON", then room frost protection guaranteed by the normal logic. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 136 LWT zone. ▪ activate the On/OFF pump of the mixing valve station ONLY when there is demand. See "6 Application guidelines" [  31]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 137 ONLY or cooling ONLY). If the allowed operation mode changes to cooling ONLY, the operation mode changes to cooling. If the allowed operation mode changes to heating ONLY, the operation mode changes to heating. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 138 Example: The space operation mode ONLY changes from cooling to heating when the room temperature drops below the desired heating temperature subtracted by the hysteresis. 1°C~10°C ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 139: Domestic Hot Water Control: Advanced

    HP OFF dependent setpoint, minus the reheat hysteresis. If the tank temperature drops below this value, the tank is heated up. Code Description [7.4.3.3] [6-0C] 30°C~min(50, [6‑0E])°C ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 140 In reheat mode, the desired tank temperature weather dependent. Note: When the displayed tank temperature is weather dependent, it cannot be adjusted on the user interface. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 141 HP Heat pump. If heating up time by the heat pump takes too long, auxiliary heating by the backup heater can take place. BUH Backup heater ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 142 ▪ When system layout ≠ Room thermostat control: This preset value is always taken into account. Range: 5~95 minutes ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 143 5: Friday ▪ 6: Saturday ▪ 7: Sunday [A.4.4.3] [2‑02] Start time: 00~23:00, step: 1:00. [A.4.4.4] [2‑03] Temperature target: fixed value [A.4.4.5] [2‑04] Duration Range: 40~60 minutes ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 144: Heat Source Settings

    This setting is only overruled when backup heating is required during defrost operation or malfunctioning of the outdoor unit (when [A.6.C] is enabled). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 145 Description [A.6.C] Emergency: ▪ 0: Manual ▪ 1: Automatic INFORMATION The auto emergency setting can be set in the menu structure of the user interface only. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 146 PCB). When it is activated, the contact X1, X2 is closed and open when it is deactivated. See illustration below for the schematic location of this contact. OFF ON YC Y1 Y2 Y3 Y4 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 147: System Settings

    Under certain conditions, the installation of EKBPHT03D may be required. Code Description A.5.1.5 [8-0E] BUH only ambient temp. Range: –15°C~7°C 10.4.4 System settings Priorities For systems with an integrated domestic hot water tank ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 148 Therefore, it is recommended to always enable the function. Code Description [A.6.1] [3‑00] Is the auto restart function of the unit allowed? ▪ 0: No ▪ 1: Yes ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 149 (via X2M/5-6) and the backup heater is NOT connected to the preferential kWh rate power supply. [D-05] Forced pump OFF : ▪ 0: Forced off ▪ 1: As normal ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 150 Power saving function for outdoor unit. ▪ 0: Disabled ▪ 1: Enabled (default) Power consumption control "6  Application guidelines"  [   31] for detailed information about this functionality: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 151 [5-09] Limit DI1 0 kW~20 kW, step 0.5 kW [5-0A] Limit DI2 0 kW~20 kW, step 0.5 kW [5-0B] Limit DI3 0 kW~20 kW, step 0.5 kW [5-0C] Limit DI4 0 kW~20 kW, step 0.5 kW ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 152 Do you want to start a defrost operation? Disable protections The software is equipped with an "installer-on-site" mode ([A.6.D]: Disable protections) that disables automatic operation by the unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 153 T in relation to the required capacity. With this limitation range, delta T is possible and the comfort is guaranteed. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 154 (l/min) b (l/min) [9-0D]=2/6 [9-0D]=3/7 a (kPa) a (kPa) b (l/min) b (l/min) [9-0D]=4/8 a (kPa) b (l/min) a External static pressure b Water flow rate ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 155: Menu Structure: Overview User Settings

    Tank temperature Quiet level [7.7] Set weather dependent Main [7.7.1] Main Additional Set weather-dependent heating Set weather-dependent cooling [7.7.2] Additional Set weather-dependent heating Set weather-dependent cooling ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 156: Menu Structure: Overview Installer Settings

    Disable protections Amp. value kW value [A.7] Commissioning Amp. limits for DI Test run kW limits for DI UFH screed dryout Priority Air purge Actuator test run ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 157 Solar kit settings are shown but are NOT applicable for this unit. Settings shall NOT be used or changed. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 158: Commissioning

    Performing a test run for the system. If necessary, performing a test run for one or more actuators. If necessary, performing an underfloor heating screed dryout. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 159: Precautions When Commissioning

    There are NO refrigerant leaks. The refrigerant pipes (gas and liquid) are thermally insulated. The correct pipe size is installed and the pipes are properly insulated. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 160: Checklist During Commissioning

    ON), increase the flow until the additional pump is NOT assisting anymore (LED is OFF). 10 Go to [6.1.8]: > Information > Sensor information > Flow rate to check the flow rate. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 161: Air Purge Function

    OFF. 1 Set the user permission level to Installer. See "To set the user permission level Installer" [  111]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 162: To Perform A Test Run

    The user interface used to start the test run displays a status screen. ▪ The other user interface displays a "busy" screen. You cannot use the user interface as long as the "busy" screen is shown. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 163: To Perform An Actuator Test Run

    ▪ checking the proper functioning of the setup on a regular basis, ▪ performing the correct program complying with the type of the used screed. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 164 4 To add a new step, select "–h" or "–" on an empty line and press 5 To delete a step, set the duration to "–" by pressing 6 Press to save the schedule. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 165 When the program is stopped due to an error, an operation switch-off, or a power failure, you can read out the underfloor heating screed dryout status. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 166 > Commissioning > UFH screed dryout > Dryout status > Stopped at and followed by the last executed step. 6 Modify and restart the execution of the program. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 167: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 168: Maintenance And Service

    Please note that some sections of the electric component box are hot. ▪ Make sure you do NOT touch a conductive section. ▪ Do NOT rinse the unit. This may cause electric shocks or fire. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 169: Checklist For Yearly Maintenance Of The Outdoor Unit

    Handle the water filters with care. Do NOT use excessive force when you reinsert the water filters so as NOT to damage the water filters mesh. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 170 "13.4.3 To install the water filter" [  174] Water pressure relief valve Open the valve and check if it operates correctly. The water may be very hot! Checkpoints are: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 171 For this reason, descaling of the heat exchanger may be required at certain intervals. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 172: To Drain The Domestic Hot Water Tank

    "13.4.2 To clean the water filter in case of trouble" [  173] ▪ "13.4.3 To install the water filter" [  174] 13.4.1 To remove the water filter Prerequisite: Stop the unit operation via the user interface. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 173: To Clean The Water Filter In Case Of Trouble

    Opening the magnetic filter/dirt separator is ONLY required in case of severe issues. Preferably this action is never to be done during the complete lifetime of the magnetic filter/dirt separator. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 174: To Install The Water Filter

    Check the condition of the O-rings and replace if needed. Apply water or silicon grease to the O-rings before installation. 1 Install the water filter in the correct location. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 175 Make sure to open the valve (if equipped) towards the expansion vessel, otherwise the overpressure will be generated. 5 Open the stop valves and add water to the water circuit if needed. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 176: Troubleshooting

    If you are unable to find the cause of the problem, call your dealer. DANGER: RISK OF ELECTROCUTION ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 177: Solving Problems Based On Symptoms

    Make sure that the water volume in the too low installation is above the minimum required value (see "8.5.3 To check the water volume and flow rate" [  78]). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 178: Symptom: The Compressor Does Not Start (Space Heating Or Domestic Water Heating)

    We recommend to purge air with the air purge function of the unit (to be performed by the installer). If you purge air from the heat emitters or collectors, mind the following: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 179: Symptom: The Pump Is Blocked

    Purge air manually on both zones (see "To perform a manual air purge" [  161]) or use the automatic air purge function on both zones (see "To perform an automatic air purge" [  162]). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 180: Symptom: The Pressure Relief Valve Opens

    ▪ If the water keeps running out of the unit, close both the water inlet and outlet shut-off valves first and then contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 181: Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures

    Overview settings [5‑02] ▪ Increase the "space heating priority temperature" to activate backup heater operation at a higher outdoor temperature. [A.8] > Installer settings > Overview settings [5‑03] ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 182: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High

    This chapter gives you an overview of all possible error codes and their descriptions as they appear on the user interface. For detailed troubleshooting of each error, see the service manual. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 183: Error Codes: Overview

    OU: Cool/heat switchover problem. Please contact your dealer. OU: Voltage/current sensor problem. Please contact your dealer. OU: Malfunction of high pressure switch (HPS) Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 184 Please contact your dealer. OU: Electrical box temperature rise problem. Please contact your dealer. OU: Malfunction of inverter radiating fin temperature rise. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 185 Water flow problem during cooling/ defrost. Manual reset. Check the plate heat exchanger. Water flow problem. Pump deblocking active Returning water temperature sensor problem. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 186 (thermostat) Overheating water circuit (thermostat). Backup heater overheated. Power reset required. Please contact your dealer. Tank disinfection function completed correctly. Too long DHW heat-up time required. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 187 Second tank temperature sensor problem. Please contact your dealer. Water pressure sensor abnormality. Refrigerant pressure sensor abnormality. Under floor heating screed dryout function not completed correctly. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 188 If the problem persists, the unit will stop operation and the user interface will display error C0‑02. For the unit to resume operation, this error needs to be reset manually. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 189 Error AJ-03 is reset automatically from the moment there is a normal tank heat-up. INFORMATION The user interface will display how to reset an error code. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 190: Disposal

    Standard > Unit control method = LWT control) ▪ Set [7-02]=1 (or [A.2.1.8]: > Installer settings > System layout > Standard > Number of LWT zones = 2 LWT zones) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 191 5 After ±5 minutes, close the gas stop valve, and stop the pump down operation by pressing on the user interface. a Liquid stop valve b Closing direction c Hexagonal wrench d Valve cap e Gas stop valve ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 192: Technical Data

    This unit is a heating only model. Therefore, all references to cooling in this document are NOT applicable. A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required).

  • Page 193: Piping Diagram: Outdoor Unit

    R2T Thermistor (heat exchanger) R3T Thermistor (compressor discharge) S1PH High pressure switch (automatic reset) Y1E Electronic expansion valve Y1S Solenoid valve (4-way valve) (ON: cooling) Heating Cooling ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 194: Piping Diagram: Indoor Unit

    R7T Thermistor (main/mixed zone – water OUT) k Drain valve Screw connection l Pump (additional zone/direct zone) Flare connection m Check valve Quick coupling n Flow sensor Brazed connection ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 195: Wiring Diagram: Outdoor Unit

    (3) Legend Live Neutral Protective earth Earth Field wiring Circuit breaker Connection Terminal strip Connector Terminal Black White Brown Green Yellow Orange Blue Grey Printed circuit board ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 196 U, V, W Connector V2, V3, V150 Varistor X11A Connector Terminal strip Electronic expansion valve coil Reversing solenoid valve coil Noise filter (ferrite core) Noise filter ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 197: Wiring Diagram: Indoor Unit

     On/OFF thermostat (wireless)  ON/OFF thermostat (wireless)  Ext. thermistor  External thermistor  Heat pump convector  Heat pump convector Add LWT Additional leaving water temperature  On/OFF thermostat (wired)  ON/OFF thermostat (wired) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 198 Q*DI # Earth leakage circuit breaker R1H (A2P) * Humidity sensor R1T (A2P) * Ambient sensor ON/OFF thermostat R2T (A2P) * External sensor (floor or ambient) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 199 12 V DC pulse detection (voltage 12 V DC pulse detection (voltage supplied by PCB) supplied by PCB) 230 V AC supplied by PCB 230 V AC supplied by PCB ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 200 Only for heat pump convector Only for heat pump convector Only for wired On/OFF thermostat Only for wired ON/OFF thermostat Only for wireless On/OFF thermostat Only for wireless ON/OFF thermostat ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...
  • Page 201 2 core 2×0.75 A13P: P1-P2 LAN adapter communication Only for EKRUDAL1 (delivered with the unit as accessory) 2 core 2×0.75 A10P: P1-P2 Main user interface communication 4D125238A ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 202: Esp Curve: Indoor Unit

    See also the minimum and maximum allowed water flow range in the technical specifications. ▪ Make sure water quality complies with EU directive 2020/2184. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1B – 2021.10...

  • Page 203: 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 204: Field Settings Table

    Field settings table Applicable units EHFZ03S18DJ3V Notes (*1) Only applicable for models where cooling is possible (*2) EHFZ03S18DJ3V 4P596829-1A - 2021.10...
  • Page 205 0: No 1: Secondary rtrn 2: Disinf. Shunt A.2.2.B [C-08] External sensor 0: No 1: Outdoor sensor 2: Room sensor A.2.2.G LAN Adapter 0: No 1: Yes (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 206 -15~35°C, step: 1°C 0°C A.5.1.5 [8-0E] BUH only ambient temp. -15~-7°C, step: 1°C -7°C └─ System operation └─ Auto restart A.6.1 [3-00] 0: No 1: Yes (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 207 How long must the tank temperature be maintained? 40~60 min, step: 5 min 40 min [2-05] Room antifrost temperature 4~16°C, step: 1°C 12°C [2-06] Room frost protection 0: Disabled 1: Enabled (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 208 What is the desired reheat temperature? 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0D] What is the desired DHW production type? 0: Reheat only 1: Reheat + sched. 2: Scheduled only (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 209 1: - 2: BUH only 3: - [D-01] Contact type of preferential kWh rate PS installation? 0: No 1: Active open 2: Active closed 3: Safety thermostat (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 210 0: No 1: Yes F-0C Close shut-off valve during cooling? 0: No 1: Yes [F-0D] What is the pump operation mode? 0: Continuous 1: Sample 2: Request (*1) Only applicable for models where cooling is possible 4P596829-1A - 2021.10 (*2) EHFZ03S18DJ3V...
  • Page 212 4P596821-1B 2021.10 Verantwortung für Energie und Umwelt...

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