Daikin ERLA03DAV3 Installer's Reference Manual
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Daikin ERLA03DAV3 Installer's Reference Manual

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Daikin Altherma 3 R F
ERLA03DAV3
EHFZ03S18DJ3V

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Summary of Contents for Daikin ERLA03DAV3

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

  • Page 2: Table Of Contents

    About opening the units..........................42 6.2.2 To open the outdoor unit..........................42 6.2.3 To close the outdoor unit..........................42 6.2.4 To open the indoor unit ..........................43 Installer reference guide ERLA03DAV3 + EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 3 To connect the electrical wiring to the outdoor unit ..................77 Connections to the indoor unit ............................78 8.3.1 To connect the main power supply........................ 80 8.3.2 To connect the backup heater power supply ....................82 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 4 Symptom: The pressure relief valve opens....................159 13.3.6 Symptom: The water pressure relief valve leaks................... 159 13.3.7 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........... 160 Installer reference guide ERLA03DAV3 + EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 5 Piping diagram: Indoor unit ............................172 15.3 Wiring diagram: Outdoor unit ............................173 15.4 Wiring diagram: Indoor unit ............................175 16 Glossary 17 Field settings table ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 6: General Safety Precautions

    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 4P596821-1A – 2020.05...

  • Page 7: For The Installer

    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 8: Installation Site

    ▪ In places where there is a risk of fire due to the leakage of flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 9: Refrigerant - In Case Of R410A Or R32

    To avoid compressor breakdown, do NOT charge more than the specified amount of refrigerant. ▪ When the refrigerant system is to be opened, refrigerant MUST be treated according to the applicable legislation. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 10: Water

    If applicable. See the installation manual or installer reference guide of your application for more information. NOTICE Make sure water quality complies with EU directive 98/83 EC. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 11: Electrical

    ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 12 Running the product in reversed phase can break the compressor and other parts. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 13: About The Documentation

    Format: Paper (in the box of the indoor unit) + Digital files on http:// www.daikineurope.com/support-and-manuals/product-information/ Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. The original documentation is written in English. All other languages are translations. ERLA03DAV3 + EHFZ03S18DJ3V...

  • Page 14: Installer Reference Guide At A Glance

    About the documentation Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
  • Page 15 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 4P596821-1A – 2020.05...

  • Page 16: About The Box

    Keep the unit upright in order to avoid damage. ▪ Prepare the path along which you want to bring the unit inside in advance. 3.2 Outdoor unit 3.2.1 To unpack the outdoor unit ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 17: To Handle The Outdoor Unit

    Multilingual fluorinated greenhouse gases label Drain plug (located on the bottom of the packing case) Energy label Fluorinated greenhouse gases label 3.3 Indoor unit 3.3.1 To unpack the indoor unit ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 18: To Remove The Accessories From The Indoor Unit

    Handles at the back of the unit 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 4P596821-1A – 2020.05...

  • Page 19: About The Units And Options

    Model identification Example: ER L A 03 DA V3 Code Explanation European split outdoor pair heat pump Low water temperature – ambient zone: −10~−20°C Refrigerant R32 Capacity class Model series Power supply ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 20: Identification Label: Indoor Unit

    "6.1.2  Additional installation site requirements of the outdoor unit in cold climates" [  39] for more information. ▪ For installation instructions, see the installation manual of the bottom plate heater. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 21: Possible Options For The Indoor Unit

    The remote indoor sensor can only be used in case the user interface is configured with room thermostat functionality. ▪ You can only connect either the remote indoor sensor or the remote outdoor sensor. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 22 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 4P596821-1A – 2020.05...

  • Page 23: Application Guidelines

    Because the system offers a wide flexibility to control the temperature in each room, you need to answer the following questions first: ▪ How many rooms are heated by the heat pump system? ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 24: Multiple Rooms - Two Lwt Zones

    Heat emitters: Design temperature Living room (main zone) Underfloor heating: 35°C Bed rooms (additional zone) Heat pump convectors: 45°C Setup Additional leaving water temperature zone Room 1 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 25 Depending on the demand, the indoor unit supplies different leaving water temperature matching the design temperature of the different heat emitters. Underfloor heating has the best performance with the heat pump system. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 26: 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 4P596821-1A – 2020.05...

  • Page 27: 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 "9 Configuration" [  96]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 28: 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 "8.3.6 To connect the domestic hot water pump" [  87]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 29: Setting Up The Energy Metering

    ▪ Setup and configuration: No additional equipment needed. 5.4.2 Consumed energy You can use the following methods to determine the consumed energy: ▪ Calculating ▪ Measuring ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 30: 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 4P596821-1A – 2020.05...

  • Page 31: 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. "8.3.5 To connect the electricity meters" [  86]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 32: Setting Up The Power Consumption Control

    Defrost operation. Otherwise, if defrosting is interrupted several times, the heat exchanger will freeze up. ▪ Space heating and DHW production by allowing the backup heater step 1. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 33: Power Limitation Activated By Digital Inputs

    5.5.2 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 34: Power Limitation Process

    You can connect one external temperature sensor. It measures the indoor or outdoor ambient temperature. We recommend to use an external temperature sensor in the following cases: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 35 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 4P596821-1A – 2020.05...

  • Page 36: Unit Installation

    (example: open flames, an operating gas appliance or an operating electric heater). WARNING DO NOT reuse refrigerant piping that has been used with any other refrigerant. Replace the refrigerant pipes or clean thoroughly. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 37: 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 4P596821-1A – 2020.05...
  • Page 38 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 4P596821-1A – 2020.05...

  • Page 39: 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 4P596821-1A – 2020.05...

  • Page 40: Installation Site Requirements Of The Indoor Unit

    If you have limited installation space, do the following before installing the unit in its final position: "6.4.4  To connect the drain hose to the drain"    50]. It requires to remove one or both side panels. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 41 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 42: Opening And Closing The Units

    DANGER: RISK OF BURNING/SCALDING 1× 6.2.3 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. 1× ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 43: To Open The Indoor Unit

    1 Remove the top panel. 7× 2 Remove the upper front panel. Open the hinges at the top and slide the top panel upwards. 3 Remove the switch box cover. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 44 ▪ 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. 4× ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 45: To Lower The Switch Box On The Indoor Unit

    5 Reinstall the front panel. 6 Reinstall the upper front panel. NOTICE When closing the indoor unit cover, make sure that the tightening torque does NOT exceed 4.1 N•m. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 46: Mounting The Outdoor 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 4P596821-1A – 2020.05...

  • Page 47: To Install The Outdoor Unit

    If you install the unit on a frame, install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping (see the following figure). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 48: 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 4P596821-1A – 2020.05...

  • Page 49: 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 4P596821-1A – 2020.05...

  • Page 50: 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 4P596821-1A – 2020.05...

  • Page 51: Finishing The Outdoor Unit Installation

    1 Insulate and fix the refrigerant piping and cables as follows: Gas pipe Gas pipe insulation Interconnection cable Field wiring (if applicable) Liquid pipe Liquid pipe insulation Finishing tape 2 Install the service cover. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 52: Piping Installation

    ▪ Piping material: Phosphoric acid deoxidised seamless copper. ▪ Piping diameter: Liquid piping Ø6.4 mm (1/4") Gas piping Ø9.5 mm (3/8") ▪ Piping temper grade and thickness: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 53: Refrigerant Piping Insulation

    Deformation of the piping can cause malfunctioning of the unit. ▪ Connecting piping – Tools. Only use appropriate tooling to handle brass, which is a soft material. If NOT, pipes will get damaged. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 54 Water temperature. All installed piping and piping accessories (valve, connections,…) MUST withstand the following temperatures: INFORMATION The following illustration is an example and might NOT match your system layout. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 55 ▪ Hygienic measures. The installation must be in compliance with the applicable legislation and may require additional hygienic installation measures. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 56: 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. Individual room thermostat (optional) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 57 This is the height difference (m) between the highest point of the water circuit and the indoor unit. If the indoor unit is at the highest point of the installation, the installation height is 0 m. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 58: Changing The Pre-Pressure Of The Expansion Vessel

    The indoor unit is installed 5  m below the highest point in the water circuit. The total water volume in the water circuit is 100 l. No actions or adjustments are required. Example 2 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 59: Connecting The Refrigerant Piping

    Do NOT reuse piping from previous installations. ▪ NEVER install a drier to this R32 unit to guarantee its lifetime. The drying material may dissolve and damage the system. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 60: Guidelines When Connecting The Refrigerant Piping

    ALWAYS use a spanner and torque wrench together to tighten the flare nut when connecting the piping. This to prevent nut cracking and leaks. Torque wrench Spanner Piping union Flare nut ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 61: Pipe Bending Guidelines

    5 Check that the flaring is properly made. Flare’s inner surface MUST be flawless. The pipe end MUST be evenly flared in a perfect circle. Make sure the flare nut is fitted. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 62: To Braze The Pipe End

    Stem cap ▪ Keep both stop valves open during operation. ▪ Do NOT apply excessive force to the valve stem. Doing so may break the valve body. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 63 To handle the service cap ▪ ALWAYS use a charge hose equipped with a valve depressor pin, since the service port is a Schrader type valve. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 64: To Connect The Refrigerant Piping To The Outdoor Unit

    It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 65: Checking The Refrigerant Piping

    7.4.3 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 4P596821-1A – 2020.05...

  • Page 66: To Perform Vacuum Drying

    5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour, do the following: ▪ Check for leaks again. ▪ Perform vacuum drying again. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 67: Charging Refrigerant

    7.5.2 About the refrigerant This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. Refrigerant type: R32 Global warming potential (GWP) value: 675 ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 68: Precautions When Charging Refrigerant

    If a complete recharge is necessary, the total refrigerant charge is equal to the factory refrigerant charge (see unit name plate). 7.5.5 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 69: Connecting Water Piping

    7.6.2 Precautions when connecting the water piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "1 General safety precautions" [  6] ▪ "7.2 Preparing water piping" [  53] ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 70: To Connect The Water Piping

    Overpressure bypass valve (field supply). We recommend to install an overpressure bypass valve in the space heating water circuit. Mind the minimum flow rate when adjusting the overpressure bypass valve setting. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 71: To Connect The Recirculation Piping

    2 Cut out the rubber grommet on top of the unit, and remove the stop. The recirculation connector is placed below the hole. 3 Route the recirculation piping through the grommet and connect it to the recirculation connector. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 72: To Fill The Water Circuit

    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 4P596821-1A – 2020.05...

  • Page 73: Electrical Installation

    Connecting the electrical wiring typically consists of the following stages: ▪ "8.2 Connections to the outdoor unit" [  77] ▪ "8.3 Connections to the indoor unit" [  78] 8.1.1 Precautions when connecting the electrical wiring DANGER: RISK OF ELECTROCUTION ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 74: Guidelines When Connecting The Electrical Wiring

    Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 75: Specifications Of Standard Wiring Components

    Must comply with applicable legislation Interconnection cable Minimum cable section of 1.5 mm² and applicable for 230 V Recommended field 16 A fuse Earth leakage circuit Must comply with applicable legislation breaker ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 76: About Electrical Compliance

    At that moment, the outdoor unit compressor will not operate. The wiring to the unit is different depending on whether the power supply is interrupted or not. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 77: Overview Of Electrical Connections Except External Actuators

    8.2.1 To connect the electrical wiring to the outdoor unit 1 Remove the service cover. See "6.2.2 To open the outdoor unit" [  42]. 2 Strip insulation (20 mm) from the wires. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 78: Connections To The Indoor Unit

    "8.3.6 To connect the domestic hot water pump" [  87]. Alarm output "8.3.7 To connect the alarm output" [  88]. Space heating operation "8.3.8 To connect the space heating ON/OFF control output" [  89]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 79 Maximum running current: 100 mA For the main zone: ▪ [A.2.1.7] Unit control method ▪ [A.2.2.4] Contact type main For the additional zone: ▪ [A.2.2.5] Contact type add. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 80: To Connect The Main Power Supply

    Maximum length: 200 m "LAN adapter – System requirements" [  80] LAN adapter – System requirements The requirements posed on the Daikin Altherma system depend on the LAN adapter application/system layout (app control): Item Requirement LAN adapter software It is recommended to ALWAYS keep the LAN adapter software up-to-date.
  • Page 81 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [A.2.2.E.3] Preferential kWh rate Connect X11Y to X11YB. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 82: To Connect The Backup Heater Power Supply

    EITHER preferential kWh rate power supply OR a safety thermostat for the additional zone. 8.3.2 To connect the backup heater power supply Backup heater type Power supply Wires 1N~ 230 V 2+GND ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 83 Factory-mounted cable connected to the contactor of the backup heater, inside the switch box (K1M) Field wiring (see table below) Model (power supply) Connections to backup heater power supply *3V (1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 84: To Connect The User Interface

    3 Upper switch box cover 2 Connect the user interface cable to the indoor unit. Fix the cable with cable ties to the cable tie mountings. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 85: To Connect The Shut-Off Valve

    6 Reinstall the faceplate onto the wallplate. Be careful NOT to pinch the wiring when attaching the frontplate to the unit. 8.3.4 To connect the shut-off valve Wires: 2×0.75 mm² Maximum running current: 100 mA 230 V AC supplied by PCB ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 86: To Connect The Electricity Meters

    8.3.5 To connect the electricity meters Wires: 2 (per meter)×0.75 mm² Electricity meters: 12 V DC pulse detection (voltage supplied by PCB) [A.2.2.8] External kWh meter (meter 1) [A.2.2.9] External kWh meter (meter 2) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 87: To Connect The Domestic Hot Water Pump

    [7.3] Set schedules > [7.3.7] DHW pump 1 Open the service cover. See "6.2.2 To open the outdoor unit" [  42]. 2 Open the following (see "6.2.4 To open the indoor unit" [  43]): ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 88: To Connect The Alarm Output

    1 Top panel 2 Upper front panel 3 Upper switch box cover 3 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 89: To Connect The Space Heating On/Off Output

    2 Upper front panel 3 Upper switch box cover 2 Connect the space heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 90: To Connect The Changeover To External Heat Source

    "6.2.2 To open the outdoor unit" [  42]. 2 Open the following (see "6.2.4 To open the indoor unit" [  43]): 1 Top panel 2 Upper front panel 3 Upper switch box cover ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 91: To Connect The Power Consumption Digital Inputs

    2 Upper front panel 3 Upper switch box cover 3 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 4P596821-1A – 2020.05...

  • Page 92: 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 4P596821-1A – 2020.05...
  • Page 93 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 4P596821-1A – 2020.05...

  • Page 94: After Connecting The Electrical Wiring To The Indoor Unit

    8.4 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 4P596821-1A – 2020.05...
  • Page 95 Electrical installation Without low voltage cables With low voltage cables ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 96: Configuration

    When the installer settings are changed, the user interface will request to confirm. When confirmed, the screen will shortly turn OFF and "busy" will be displayed for several seconds. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 97: To Change The User Permission Level

    If you do NOT press any button for more than 1 hour 9.1.2 To access the most used commands To access the installer settings 1 Set the user permission level to Installer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 98 7 At installer settings menu, press to confirm the settings. Installer settings The system will restart. Cancel Confirm Adjust Result: The system will restart. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 99: To Copy The System Settings From The First To The Second User Interface

    Result: All data (languages, schedules etc.) will be copied from the selected source user interface to the other one. When done, the system is ready to be operated via both user interfaces. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 100: Quick Wizard: Set The System Layout After First Power On

    Confirm layout Please confirm the system layout. The system will restart and will be ready for first startup. Cancel Confirm Adjust Result: The user interface reinitializes. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 101: Basic Configuration

    ▪ 0 (At unit) ▪ 1 (In room) Only applicable if there are 2 user interfaces (1 installed in the room, 1 installed at the indoor unit). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 102 1 LWT zone: There is only 1 leaving water temperature zone. This zone is called the main leaving water temperature zone. Main LWT zone 2 LWT zones: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 103 5  minutes to check the water temperature and demand heating if necessary. Remark: Sample is NOT available in external room thermostat control or room thermostat control. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 104: Quick Wizard: Options

    It runs when the disinfection function of the domestic hot water tank is running. No further settings are needed. See also illustrations below. See also: ▪ "5.3.4 DHW pump for instant hot water" [  28] ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 105 External room thermostat at additional zone ▪ [C‑07]=1 (Ext RT control) User interface of the indoor unit External room thermostat at main zone External room thermostat at additional zone ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 106 The temperature sensor in the user interface is NOT used anymore. Remark: ; This value only has meaning in room thermostat control. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 107 (up to 2) power meters with different pulse frequencies. When only 1 or no power meter is used, select No to indicate the corresponding pulse input is NOT used. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 108: Space Heating/Cooling Control

    [1-01] [1-02] Set weather-dependent heating: [1-03] [1-02] [1-03] [1-00] [1-01] ▪ : Target leaving water temperature (main) ▪ : Outdoor temperature Also see "9.3 Weather-dependent curve" [  112]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 109 If modulation is enabled, you can also set the maximum modulation of the leaving water temperature. The maximum modulation is the value by which the desired leaving water temperature is increased or lowered. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 110 The target delta T for the main zone depends on it. Code Description [A.3.1.1.7] [2-0C] Emitter type ▪ 0: Underfloor heat ▪ 1: Fancoil unit ▪ 2: Radiator ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 111: Domestic Hot Water Control

    The maximum temperature is NOT applicable during disinfection function. See disinfection function. 9.2.6 Contact/helpdesk number Code Description [6.3.2] Number that users can call in case of problems. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 112: Weather-Dependent Curve

    Setpoint (X2, Y1) Example Set weather-dependent heating Confirm Adjust Scroll X1, X2 Examples of outdoor ambient temperature Y1, Y2 Examples of desired tank temperature or leaving water temperature ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 113: Using Weather-Dependent Curves

    — Cold — ↑ — ↑ Cold Cold ↑ ↑ ↑ ↑ Cold ↓ ↑ ↓ ↑ — ↓ — ↓ Cold ↑ ↓ ↑ ↓ ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 114: Advanced Configuration/Optimisation

    The purpose of this setting is to prevent selecting a wrong (i.e. too hot or too cold) leaving water temperature. Therefore the available desired heating temperature range and desired cooling temperature range can be configured. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 115 This function defines how much the water temperature may rise above the desired leaving water temperature before the compressor stops. The compressor will startup again when the leaving water temperature drops below the desired leaving water temperature. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 116 ONLY applicable in room thermostat control. In order to save energy by preventing overheating or undercooling the room, you can limit the range of the room temperature. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 117 Code Description Room temp. offset: Offset on the actual room temperature measured on the user interface sensor. [A.3.2.2] [2-0A] –5°C~5°C, step 0.5°C ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 118 Room frost protection ▪ 0: disabled ▪ 1: enabled [2-05] Room antifrost temperature 4°C~16°C INFORMATION If a U5 error occurs, room frost protection is NOT guaranteed, ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 119 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 4P596821-1A – 2020.05...
  • Page 120 LWT zone. ▪ activate the On/OFF pump of the mixing valve station ONLY when there is demand. See "5 Application guidelines" [  23]. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 121: Domestic Hot Water Control: Advanced

    Storage eco The storage economic temperature denotes the lower desired tank temperature. It is the desired temperature when a storage economic action is scheduled (preferably during day). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 122 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 4P596821-1A – 2020.05...
  • Page 123 [6-00] = 2°C Heat pump. If heating up time by the heat pump takes too long, auxiliary heating by the backup heater can take place. Backup heater ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 124 Minimum time between two cycles for domestic hot water. Range: 0~10 hours Remark: The minimum time is 0.5 hours even when the selected value is 0. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 125 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 4P596821-1A – 2020.05...

  • Page 126: 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 4P596821-1A – 2020.05...
  • Page 127 If a heat pump failure occurs and [A.6.C] is set to Manual, the room frost protection function, the underfloor heating screed dryout function, and the water pipe antifreeze function will remain active even if the user does NOT confirm emergency operation. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 128 Depending on the used boiler, this should be chosen as follows: Code Description [7‑05] Boiler efficiency ▪ 0: Very high ▪ 1: High ▪ 2: Medium ▪ 3: Low ▪ 4: Very low ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 129: System Settings

    CAUTION Make sure to observe all rules mentioned in application guideline 5 when bivalent operation function is enabled. Daikin shall NOT be held liable for any damage resulting from failure to observe this rule. Backup heater only ambient temperature The outdoor unit heat pump can operate until an ambient temperature of –7°C by default.
  • Page 130 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 4P596821-1A – 2020.05...
  • Page 131 (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 4P596821-1A – 2020.05...
  • Page 132 0 kW~20 kW, step 0.5 kW Amp. limits for DI: Only applicable in case of power limitation mode based on digital inputs and based on current values. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 133 The setting can be used to compensate for situations where the external outdoor ambient sensor cannot be installed on the ideal installation location (see installation). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 134 [9‑0D] define the maximum pump speed. In normal conditions, the default setting should NOT be modified. The pump speed limitation will be overruled when the flow rate is in the range of the minimum flow (error 7H). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 135 The maximum values depend on the unit type: [9-0D]=0 [9-0D]=5 a (kPa) a (kPa) b (l/min) b (l/min) [9-0D]=6 [9-0D]=7 a (kPa) a (kPa) b (l/min) b (l/min) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 136 Configuration [9-0D]=8 a (kPa) b (l/min) External static pressure Water flow rate ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 137: Menu Structure: Overview User Settings

    [7.7.1] Main Additional Set weather-dependent heating [7.7.2] Additional Set weather-dependent heating 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 4P596821-1A – 2020.05...

  • Page 138: Menu Structure: Overview Installer Settings

    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 4P596821-1A – 2020.05...

  • Page 139: Commissioning

    50 hours before reaching smooth operation and stable power consumption. NOTICE ALWAYS operate the unit with thermistors and/or pressure sensors/switches. If NOT, burning of the compressor might be the result. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 140: Checklist Before Commissioning

    The air purge valve is open (at least 2 turns). The pressure relief valve purges water when opened. Clean water must come out. The domestic hot water tank is filled completely. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 141: Checklist During Commissioning

    Before starting the air purge, open the safety valve and check if the circuit is sufficiently filled with water. Only if water escapes the valve after opening it, you can start the air purge procedure. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 142 When purging the main zone, make sure the setpoint for the main zone is at least 5°C higher than the actual water temperature inside the unit. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 143: To Perform A Test Run

    4 Select OK and press Result: The actuator test run starts. It automatically stops when finished. To stop it manually, press , select OK and press ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 144: Underfloor Heating Screed Dryout

    The installer can program up to 20 steps. For each step he needs to enter: 1 the duration in hours, up to 72 hours, 2 the desired leaving water temperature, up to 55°C. Example: ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 145 It stops automatically when done. To stop it manually, press , select OK and press 15:10 Screed dryout Current step Remaining 14d 12h Desired LWT 25°C Stop ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 146 > 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 4P596821-1A – 2020.05...

  • Page 147: 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 4P596821-1A – 2020.05...

  • Page 148: 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 4P596821-1A – 2020.05...

  • Page 149: 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 4P596821-1A – 2020.05...
  • Page 150 "12.5.3 To install the water filter" [  154] 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 4P596821-1A – 2020.05...
  • Page 151 For this reason, descaling of the heat exchanger may be required at certain intervals. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 152: To Drain The Domestic Hot Water Tank

    "12.5.2 To clean the water filter in case of trouble" [  153] ▪ "12.5.3 To install the water filter" [  154] 12.5.1 To remove the water filter Prerequisite: Stop the unit operation via the user interface. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 153: 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 4P596821-1A – 2020.05...

  • Page 154: To Install The Water Filter

    Check the condition of the O-rings and replace if needed. Apply water to the O-rings before installation. 1 Install the water filter in the correct location. Clip Magnetic filter/dirt separator ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 155 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 4P596821-1A – 2020.05...

  • Page 156: 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 4P596821-1A – 2020.05...

  • Page 157: Solving Problems Based On Symptoms

    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 4P596821-1A – 2020.05...

  • Page 158: Symptom: The Pump Is Blocked

    Purge air manually on both zones (see "To perform a manual air purge" [  142]) or use the automatic air purge function on both zones (see "To perform an automatic air purge" [  142]). ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 159: 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 4P596821-1A – 2020.05...

  • Page 160: 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 4P596821-1A – 2020.05...

  • Page 161: 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 4P596821-1A – 2020.05...

  • Page 162: Error Codes: Overview

    OU: PCB defect. Power reset required. OU: Actuation of high pressure switch (HPS). Please contact your dealer. OU: Overheat of inverter compressor motor. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 163 Please contact your dealer. OU: Abnormal high pressure in cooling. Please contact your dealer. OU: Abnormal high pressure, actuation of HPS. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 164 Please contact your dealer. OU: Defect of power supply voltage. Please contact your dealer. OU: Transmission malfunction between main CPU- INV CPU. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 165 Please contact your dealer. Leaving water temperature sensor problem. Please contact your dealer. Mixed water thermistor abnormality. Heat exchanger frozen. Heat exchanger frozen. Heat exchanger frozen. Heat exchanger frozen. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 166 Please contact your dealer. Flow sensor/switch malfunction. Please contact your dealer. Heat exchanger temperature sensor problem. Please contact your dealer. Room temperature sensor problem. Please contact your dealer. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 167 Please contact your dealer. Connection with room thermostat lost. No connection with room thermostat. Indoor unit, outdoor unit matching problem. Power reset required. Extension/hydro communication problem. Extension/hydro mismatch problem. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 168 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 4P596821-1A – 2020.05...

  • Page 169: Disposal

    Installer settings > System operation > Pump down > Start pump down. 3 After ±2 minutes, close the liquid stop valve with a hexagonal wrench. 4 Check on the manifold if the vacuum is reached. ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 170 5 After ±5 minutes, close the gas stop valve, and stop the pump down operation by pressing on the user interface. Liquid stop valve Closing direction Hexagonal wrench Valve cap Gas stop valve ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 171: Technical Data

    Technical data 15 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 15.1...

  • Page 172: Piping Diagram: Indoor Unit

    Magnetic filter/dirt separator Safety valve Air purge Drain valve Pump (additional zone/direct zone) Check valve Flow sensor Backup heater Water filter (main/mixed zone) Capillary tube Pump (main/mixed zone) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 173: 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 4P596821-1A – 2020.05...
  • Page 174 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 4P596821-1A – 2020.05...

  • Page 175: Wiring Diagram: Indoor Unit

     Ext. thermistor  External thermistor  Heat pump convector  Heat pump convector  Safety thermostat  Safety thermostat Add LWT Additional leaving water temperature  On/OFF thermostat (wired)  On/OFF thermostat (wired) ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 176 Fuse T 5 A 250 V for PCB Contactor backup heater Safety contactor backup heater Relay 3-way valve bypass Relay 3-way valve flow K*R (A1P, A4P) Relay on PCB Additional zone pump ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 177 For preferential kWh rate power supply For preferential kWh rate power supply Indoor unit supplied from outdoor Indoor unit supplied from outdoor Normal kWh rate power supply Normal kWh rate power supply ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 178 Shut-off valve Shut-off valve Switch box (7) Option PCBs (7) Option PCBs Alarm output Alarm output Changeover to ext. heat source Changeover to external heat source ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...
  • Page 179 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 4P596821-1A – 2020.05...
  • Page 180 2 core 2x0.75 A13P: P1-P2 LAN adapter communication Only for EKRUDAL1 2 core (remote user interface) 2x0.75 A10 P: P1-P2 user interface communication 4D125238 2 core ERLA03DAV3 + EHFZ03S18DJ3V Installer reference guide Daikin Altherma 3 R F 4P596821-1A – 2020.05...

  • Page 181: 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 182 ID9E51 Field settings table [6.8.2] = ..Applicable units EHFZ03S18DJ3V Notes — 4P596829-1 - 2019.10...

  • Page 183: Field Settings Table

    Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value User settings └─ Preset values └─ Room temperature 7.4.1.1 Comfort (heating) [3-07]~[3-06], step: A.3.2.4 22°C 7.4.1.2 Eco (heating) [3-07]~[3-06], step: A.3.2.4 18°C 7.4.1.3 Comfort (*)
  • Page 184 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value A.3.1.1.1 LWT setpoint mode 0: Fixed 1: Weather dep. 2: Fixed / scheduled 3: WD / scheduled A.3.1.1.2.1 [9-01] Temperature range Minimum temp (heating) 15~37°C, step: 1°C...
  • Page 185 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value A.6.3.4 [5-09] kW value 0~20 kW, step: 0,5 kW 20 kW └─ Averaging time A.6.4 [1-0A] 0: No averaging 1: 12 hours 2: 24 hours 3: 48 hours...
  • Page 186 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [3-00] Is auto restart of the unit allowed? 0: No 1: Yes [3-01] [3-02] [3-03] [3-04] [3-05] [3-06] What is the maximum desired room temperature in heating? 18~30°C, step: 0,5°C 30°C [3-07]...
  • Page 187 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [8-02] Anti-recycling time. 0~10 hour, step: 0,5 hour 0,5 hour [8-03] [8-04] [8-05] Allow modulation of the LWT to control the room temp? 0: No 1: Yes [8-06]...
  • Page 188 Field settings table Installer setting at variance with default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-09] 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-0A]...
  • Page 192 4P596821-1A 2020.05 Verantwortung für Energie und Umwelt...

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