Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual
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Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual

Low temperature split
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Installer reference guide
Daikin Altherma – Low temperature split
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ERLQ004-006-008CA
Installer reference guide
EHVH08SU18CB6W
English
Daikin Altherma – Low temperature split
EHVH08SU26CB6W

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Summary of Contents for Daikin Altherma EHVH08SU18CB6W

  • Page 1 Installer reference guide Daikin Altherma – Low temperature split ERLQ004-006-008CA Installer reference guide EHVH08SU18CB6W English Daikin Altherma – Low temperature split EHVH08SU26CB6W...

  • Page 2: Table Of Contents

    To connect the water piping......... 39 Overview: Preparation............... 23 7.8.5 To connect the pressure relief valve to the drain ..41 Preparing the installation site ............ 23 Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 3: General Safety Precautions

    10 Hand-over to the user Indicates a situation that results in death or serious injury. 11 Maintenance and service 11.1 Overview: Maintenance and service ......... 78 ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 4: For The Installer

    ▪ In places where there is machinery that emits electromagnetic comply with applicable legislation (on top of the waves. Electromagnetic waves may disturb the control system, instructions described in the Daikin documentation). and cause malfunction of the equipment. CAUTION ▪ In places where there is a risk of fire due to the leakage of...

  • Page 5: Brine

    ▪ 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: ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 6: Electrical

    ▪ Format: Paper (in the box of the indoor unit) ▪ Indoor unit installation manual: ▪ Installation instructions ▪ Format: Paper (in the box of the indoor unit) Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 7: Installer Reference Guide At A Glance

    Daikin website (publicly accessible). ▪ Prepare the path along which you want to bring the unit inside in ▪ The full set of latest technical data is available on the Daikin advance. extranet (authentication required).

  • Page 8: To Remove The Accessories From The Outdoor Unit

    2 Remove the accessories at the bottom of the package. 1× 1× 1× 2× Outdoor unit installation manual Fluorinated greenhouse gases label Multilingual fluorinated greenhouse gases label Unit mounting plate Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 9: Domestic Hot Water Tank Kit

    ▪ Identifying the indoor unit ▪ Combining outdoor and indoor units ▪ Combining the outdoor unit with options ▪ Combining the indoor unit with options ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 10: Identification

    Integrated tank material: Stainless steel ▪ Pressure reducing valve Model compatible with the G3 Building ▪ Expansion vessels (1 and 2) Regulations in the UK. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 11 Remote sensor for wireless thermostat (EKRTETS) You can use a wireless indoor temperature sensor (EKRTETS) only in combination with the wireless thermostat (EKRTR1). ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 12: Possible Combinations Of Indoor Unit And Outdoor Unit

    Configuration ▪ How many rooms are heated by the Daikin heat pump system? ▪ Which heat emitter types are used in each room and what is their Setting Value...
  • Page 13 ▪ Code: [C-05] condition. ▪ The heat pump convectors Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/ OFF signals, it is specifically designed for the heat pump system.

  • Page 14: Multiple Rooms - One Lwt Zone

    Bypass valve room temperature. ▪ For each room, a shut-off valve (field supplied) is installed to avoid leaving water supply when there is no heating demand. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 15 (X2M/1 and X2M/4). The indoor unit will only supply leaving water INFORMATION temperature when there is an actual demand. To increase comfort and performance, Daikin recommends INFORMATION to install the valve kit option EKVKHPC on each heat pump convector.

  • Page 16: Multiple Rooms - Two Lwt Zones

    (no temperature zone and the additional leaving water continuous heating)). temperature zone in relation to the required capacity of both water temperature zones. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 17: Setting Up An Auxiliary Heat Source For Space Heating

    ▪ Make sure the auxiliary boiler and its integration in the ▪ Under floor heating has the best performance with Altherma LT. system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe Setting up an auxiliary heat source situations in the auxiliary boiler system.

  • Page 18: Setting Up The Domestic Hot Water Tank

    DHW tank (booster heater) can temperature at a higher temperature (example: 53°C), which is then mixed with cold water (example: 15°C). Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 19: Setup And Configuration - Dhw Tank

    Non‑return valve (field supply) ▪ If energy prices are the same during the day and the night, Shower (field supply) Daikin recommends to heat up the DHW tank during the day. Cold water Domestic hot water OUT ▪ If energy prices are lower during the night, Daikin recommends Recirculation connection to heat up the DHW tank during the night.

  • Page 20: Consumed Energy

    In other cases (i.e. a three-phase Three-phase the power supply of the outdoor unit. outdoor unit and/or a backup heater connected to a three- phase grid) Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 21: Setting Up The Power Consumption Control

    ▪ The power consumption control: The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power ▪ Is only applicable for EHVH04+08. limitation level is set via the user interface by limiting one of the ▪...

  • Page 22: Power Limitation Process

    In case more than 1 digital input is closed (at the same for example, door opening/closing time), the digital input priority is fixed: DI4 priority>…>DI1. ▪ If this is NOT possible, Daikin recommends to connect a remote indoor sensor (option KRCS01-1). 5.6.3 Power limitation process ▪...

  • Page 23: Preparation

    >100 > 1 0 (mm) a Low sound cover ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 24: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    The domestic hot water tank kit is mounted into the indoor Prevailing wind direction unit. The use of tank kit EKVSU260A extends the height of Air outlet the indoor unit by 190 mm. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 25: Preparing Refrigerant Piping

    "Installation" chapter, respecting the water inlet and outlet. ▪ Connecting piping – Force. Do NOT use excessive force when connecting the piping. Deformation of the piping can cause malfunctioning of the unit. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 26 Indoor unit All piping MUST be installed according to section G3 of the Dedicated 2‑bar feed Building Regulations. Cold water taps Hot water taps Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 27: Formula To Calculate The Expansion Vessel Pre-Pressure

    Minimum flow rate FHL1 Check that the minimum flow rate (required during defrost/backup FHL2 heater operation) in the installation is guaranteed in all conditions. FHL3 Outdoor unit ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 28: Changing The Pre-Pressure Of The Expansion Vessel

    ▪ Because the total water volume (350  l) is more than the default power supply delivery systems. water volume (280 l), the pre-pressure must be decreased. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 29: Overview Of Electrical Connections Except External Actuators

    15 V DC, 10 mA. Cable section 0.75 mm² till 1.25 mm²; maximum length: 500 m. Applicable for both single user interface and dual user interface connection. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 30: Overview: Installation

    Do NOT leave the unit unattended when the service cover is removed. 7.2.2 To open the outdoor unit 2× DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 31: To Open The Switch Box Cover Of The Indoor Unit

    EKFT008CA option kit and to install the unit as follows: INFORMATION The maximum height of the upper protruding part of the bolts is 15 mm. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 32: To Install The Outdoor Unit

    Air outlet NOTICE The pedestal MUST be aligned with the backside of the U‑beam. 3 Remove the protective cardboard and instruction sheet. Protective cardboard Instruction sheet Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 33: To Provide Drainage

    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 and tighten them. Drain pan U-beams ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 34: Mounting The Indoor Unit

    ▪ Do NOT reuse piping from previous installations. ▪ NEVER install a drier to this R410A unit to guarantee its lifetime. The drying material may dissolve and damage the system. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 35: Guidelines When Connecting The Refrigerant Piping

    ▪ Set the nitrogen pressure to 20  kPa (0.2  bar) (just enough so it Flare nut can be felt on the skin) with a pressure-reducing valve. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 36: Using The Stop Valve And Service Port

    Silicon sealant; make sure there is no gap. Liquid stop valve Gas stop valve Service port Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 37: To Connect The Refrigerant Piping To The Indoor Unit

    1 Vacuum the system until the pressure on the manifold indicates ▪ Preparation −0.1 MPa (−1 bar). 2 Leave as is for 4-5 minutes and check the pressure: ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 38: Charging Refrigerant

    2 The outdoor unit's external refrigerant piping is checked (leak 2 Charge the additional refrigerant amount. test, vacuum drying). 3 Open the gas stop valve. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 39: To Fix The Fluorinated Greenhouse Gases Label

    If they are NOT used, at all times make Prerequisite: Only required if you need recirculation in your system. sure that the water piping complies with the applicable legislation. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 40 8 Connect the discharge pipe to the tank kit’s pressure relief (EKVSU260A only). valve, then connect the tundish to the discharge pipe (both discharge pipe and tundish are delivered with the tank kit). Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 41: To Connect The Pressure Relief Valve To The Drain

    ▪ An expansion vessel should be installed on the cold 1 bar to avoid air entering the circuit. water inlet in accordance with the applicable legislation. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 42: To Fill The Domestic Hot Water Tank

    7.9.5 To connect the electrical wiring on the page 44. outdoor unit 1 Remove the 2 switch box cover screws. 2 Remove the switch box cover. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 43: To Connect The Electrical Wiring On The Indoor Unit

    3 Routing of the wiring inside the unit should be as follows: ▪ Space heating operation control CAUTION Do NOT push or place redundant cable length in the unit. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 44: To Connect The Main Power Supply

    (X5M/3+4) as the safety thermostat. It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 45: To Connect The User Interface

    Optional user interface 1~ 230 V 1~ 230 V 3~ 230 V 400 V K1M/1 K5M/13 52.9Ω 52.9Ω 52.9Ω ∞ K1M/3 ∞ ∞ ∞ 105.8Ω K1M/5 ∞ ∞ ∞ 105.8Ω ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 46: To Connect The Shut-Off Valve

    Notch this part for the wiring to pass through with nippers etc. Secure the wiring to the front part of the casing using the wiring retainer and clamp. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 47: To Connect The Alarm Output

    Without configuration, the indoor unit will ignore the safety thermostat contact. Installation of EKRP1HB is required. 2 Fix the cable with cable ties to the cable tie mountings. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 48: To Connect The Booster Heater Power Supply

    You can configure the system using two different methods. Liquid pipe insulation Finishing tape 2 Install the service cover. 7.10.2 To close the outdoor unit 1 Close the switch box cover. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 49: To Connect The Pc Cable To The Switch Box

    3 Pay special attention to the position of the plug! Confirm Adjust Scroll 3 Go to the corresponding second part of the setting by using the button. Overview settings Confirm Adjust Scroll ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 50: To Copy The System Settings From The First To The Second User Interface

    Synchronization Data difference detected. Please select action: Confirm Adjust Send data 2 Set the current date and time. Adjust Confirm 5 Select the required action: Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 51: Basic Configuration

    [5-0D] BUH type: room thermostat. ▪ 1 (1P,(1/1+2)): 6 kW 1~ 230 V (*6W) ▪ 3 (3P,(1/1+2)): 6 kW 3~ 230 V (*6W) ▪ 4 (3PN,(1/2)): 6 kW 3N~ 400 V (*6W) Relay setting ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 52 ▪ a: Add LWT zone ▪ c: On ▪ b: Main LWT zone ▪ d: LWT temperature ▪ e: Actual ▪ f: Desired ▪ g: Pump operation continued >> Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 53: Quick Wizard: Options

    However, the room frost protection is only possible if the leaving water temperature control on the unit's user interface is turned ON. "5 Application guidelines" on page 12. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 54 See "5  Application The demand PCB is used to enable the power consumption control guidelines" on page 12. by digital inputs. See "5 Application guidelines" on page 12. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 55: Quick Wizard: Capacities (Energy Metering)

    Bottom plate heater: Only applies to an optional bottom plate heater (EKBPHTH16A). The capacity of the optional bottom plate heater at nominal voltage. Default: 0 W. Range: 0~200 W (in steps of 10 W) ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 56 Only applicable if 2 leaving water temperature zones are present. [0-03] [0-02] ▪ T : Target leaving water temperature (additional) ▪ T : Outdoor temperature continued >> Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 57 ▪ water temperatures as low as possible to match the desired temperature (higher efficiency) ▪ Slow Example: Large water volume, floor heating loops. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 58: Domestic Hot Water Control

    In case of a floor heating application it is important to limit applicable during disinfection function. the maximum leaving water temperature at heating See disinfection function. operation according to the specifications of the floor heating installation. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 59 0.5°C. The actual room temperature is the evaporation of melted ice or snow (e.g. in cold region countries). displayed with an accuracy of 0.1°C. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 60 Under room thermostat control, room frost protection is guaranteed, even if the room temperature home page is OFF on the user interface. When room frost protection ([2‑06]) is enabled and the Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 61: Domestic Hot Water Control: Advanced

    (NOT in case Reheat hysteresis of leaving water temperature setting). Only applicable when domestic hot water preparation is scheduled + reheat. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 62 35°C~[6‑0E]°C (default: desired tank temperature 55°C) weather dependent. Note: When displayed tank temperature is weather dependent, it cannot be adjusted on the user interface. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 63 Range: 2°C~20°C (default: 2°C) [6-01] The temperature difference determining the heat pump OFF temperature. Range: 0°C~10°C (default: 2°C) Example: setpoint (T )>maximum heat pump temperature–[6‑01] –[6‑01]) HP MAX ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 64 Description running time depending on the outdoor [8-00] Do not change. (default: 1) temperature [4-02] or [F-01]. Range: 0~95 minutes (default: 95). [8-02]: Anti-recycling time Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 65 If the booster heater is restricted during disinfection, this function will NOT be successful and the applicable warning AH will be generated. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 66: Heat Source Settings

    Range: –15°C~35°C (default: 0°C) (step: temperature drops below "bivalent ON temperature" and the 1°C) permission signal for the auxiliary boiler becomes active. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 67 Make sure to observe all rules mentioned in application 1°C) guideline 5 when bivalent operation function is enabled. Daikin shall NOT be held liable for any damage resulting Possibility 2 from failure to observe this rule. The installer can set a temperature range ([C‑04]). Depending on the...

  • Page 68: System Settings

    Space heating priority temperature. Defines the outdoor temperature which below the domestic hot water will be heated by booster heater only. Range: –15°C~35°C (default: 0°C). Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 69 ERLQ011~016CAV3, and ERLQ011~016CAW1 thermostat. Do NOT change the default setting. Code Description [E-08] Power saving function for outdoor unit: ▪ 0 (default): Disabled ▪ 1: Enabled ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 70 The decision to execute the manual defrost operation is made by the outdoor unit and depends on ambient and heat exchanger conditions. When the outdoor unit accepted the forced defrost Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 71 This functionality is only valid in specific conditions where it is preferable to keep the pump active when <4°C (pump will be activated for 10 minutes and deactivated after 10 minutes). Daikin shall NOT be held liable for any damage resulting this functionality. b (l/min)

  • Page 72: 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. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 73: Menu Structure: Overview Installer Settings

    UFH screed dryout kW limits for DI Air purge Priority Actuator test run INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 74: Commissioning

    To perform an air purge. The fuses or locally installed protection devices are installed according to this document, and have NOT been bypassed. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 75: To Check The Minimum Flow Rate

    Purging the air from the system should consist of: Result: Air purging will start and the following screen will be Performing a manual air purge shown. Performing an automatic air purge ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 76: To Perform A Test Run

    Result: The actuator test run starts. It automatically stops when finished. To stop it manually, press , select OK and press Possible actuator test runs ▪ Booster heater test Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 77 6 Modify and restart the execution of the program. The schedule will stop when a blank step is programmed OR when 20 consecutive steps have been executed. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 78: 10 Hand-Over To The User

    In rare cases, you may also anymore need to remove the switch box. ▪ flush the system and install an additional water filter (a magnetic cyclone filter is preferable). Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 79: To Drain The Domestic Hot Water Tank

    ▪ Clean the filter mesh and cartridge under running water. 4 Open the drain valve. ▪ Replace cartridge, ensuring that the strainer is correctly located, and reassemble the unit. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 80: 12 Troubleshooting

    The preferential kWh rate signal Wait for the power to return (2 was sent by the electricity hours max.). company Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 81: Symptom: The Pump Is Making Noise (Cavitation)

    ▪ Flush and clean the complete valve. tank including piping between pressure relief valve and the cold water inlet. ▪ Replace the pressure relief valve. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 82: Symptom: Decoration Panels Are Pushed Away Due To A Swollen Tank

    The indoor unit is NOT operating. Check unit operation. If any OU: Actuation of high pressure faults are suspected, contact switch (HPS). your dealer. Please contact your dealer. Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 83 OU: Malfunction of heat Please contact your dealer. exchanger thermistor. Leaving water temperature Please contact your dealer. sensor problem. Please contact your dealer. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 84 Minimum required flow during defrost operation Abnormal increase tank 04+08 models 12 l/min temperature. 11+16 models 15 l/min Minimum required flow during backup heater operation All models 12 l/min Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 85: 13 Disposal

    ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 86: 14 Technical Data

    14 Technical data 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 extranet (authentication required). 14.1 Components and dimensions: Indoor unit...
  • Page 87 Pressure relief valve (15 mm male; factory-fitted; replacement part number = 302810P) Tundish (22-15 mm) Discharge to a trapped gully, below a fixed grating Components in domestic hot water tank kit (EKVSU260A): ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 88: Piping Diagram: Outdoor Unit

    (6.4 CuT) 6.4CuT LIQUID STOP VALVE MUFFLER MUFFLER 12.7CuT FIELD PIPING 7.9CuT (15.9 CuT) GAS STOP VALVE DISCHARGE PIPE WITH SERVICE PORT THERMISTOR ACCUMULATOR COMPRESSOR 3TW60815-1 Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 89: Piping Diagram: Indoor Unit

    Thermistor (backup heater OUT) Thermistor (liquid refrigerant) Thermistor (heat exchanger – water IN) Thermistor (domestic hot water tank) Screw connection Flare connection Quick coupling Brazed connection ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 90: Wiring Diagram: Outdoor Unit

    Connector X11A, X12A Connector X1M, X2M Terminal strip Electronic expansion valve coil Reversing solenoid valve coil Z1C~Z4C Ferrite core Field wiring Terminal strip Connector Terminal Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 91: Wiring Diagram: Indoor Unit

    On/OFF thermostat (PC=power circuit) Only for preferential kWh rate Only for preferential kWh rate Heat pump convector power supply (outdoor) power supply (outdoor) Digital I/O PCB ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 92 Only for wired thermostat Switch box Switch box Only for wireless thermostat Only for wireless thermostat (6) Booster heater power supply (6) Booster heater power supply Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...
  • Page 93 4 X5M: 1-2 A2P: P1-P2 user interface 230 V communication Only for *KRUCBL* Optional part 2 core 2x0.75 communication A2P: P1-P2 user interface 4D106469-1 ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 94: Technical Specifications: Indoor Unit

    Actual capacity 172 l 249 l Mass of unit when full 229.5 kg 309.5 kg Maximum design pressure 10 bar Heat-up times 18'54" 28'50" Type of corrosion protection Electronic anode Installer reference guide ERLQ004~008CA + EHVH04+08SU18+26CB6W Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 95: Esp Curve: Indoor Unit

    ▪ Water quality MUST be according to EN directive EC98/83EC. B (l/min) 4D090626-1 EHVH/X08=EHVH/X08 A (kPa) B (l/min) 4D090626-1 External static pressure Water flow rate Operation range ERLQ004~008CA + EHVH04+08SU18+26CB6W Installer reference guide Daikin Altherma – Low temperature split 4P449978-1B – 2018.07...

  • Page 96: 15 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 product according instructions accompanying documentation.

  • Page 97: Field Settings Table

    Field settings table Applicable indoor units EHVH04SU18CB6W EHVH08SU18CB6W EHVH08SU26CB6W EHVH11SU26CB6W EHVH16SU26CB6W Notes (*1) *04/08* (*2) *11/16* 4P449983-1 - 2016.06...
  • Page 98 Installer setting at variance with Field settings table 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 21°C 7.4.1.2 Eco (heating) [3-07]~[3-06], step: A.3.2.4 19°C └─...
  • Page 99 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value A.2.2.6.3 [C-09] Digital I/O PCB Alarm output 0: Normally open 1: Normally closed A.2.2.6.4 [F-04] Digital I/O PCB Bottom plate heater 0: No 1: Yes A.2.2.7...
  • Page 100 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Maximum setpoint A.4.5 [6-0E] 40~65°C, step: 1°C 65°C └─ SP mode A.4.6 0: Fixed 1: Weather dep. └─ Weather dependent curve A.4.7 [0-0B] Weather-dependent curve...
  • Page 101 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-00] Low ambient temp. for LWT main zone heating WD curve. -40~5°C, step: 1°C -10°C [1-01] High ambient temp. for LWT main zone heating WD curve. 10~25°C, step: 1°C 15°C [1-02]...
  • Page 102 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-07] What is the requested limit for DI3? 0~50 A, step: 1 A 50 A [5-08] What is the requested limit for DI4? 0~50 A, step: 1 A 50 A [5-09]...
  • Page 103 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-0D] Pump speed limitation 0~8, step:1 0 : 100% 1~4 : 80~50% 5~8 : 80~50% [9-0E] [A-00] [A-01] 0 (*1) 3 (*2) [A-02] 0 (*1)
  • Page 104 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-04] Is the power saving function available on the outdoor unit? 0: No 1: Yes [E-05] Can the system prepare domestic hot water? 0: No 1: Yes [E-06]...
  • Page 108 4P449978-1B 2018.07...

This manual is also suitable for:

Altherma erlq004-006-008caAltherma ehvh08su26cb6wAltherma ehvh-cb6wAltherma erlq-cv3

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