Daikin Altherma ERGA06DAV3 Installer's Reference Manual
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Daikin Altherma ERGA06DAV3 Installer's Reference Manual

Low temperature split
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Installer reference guide
Daikin Altherma – Low temperature split
ERGA04DAV3(A)
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Daikin Altherma – Low temperature split
EHVZ08S23DA9W(G)

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Summary of Contents for Daikin Altherma ERGA06DAV3

  • Page 1 Installer reference guide Daikin Altherma – Low temperature split ERGA04DAV3(A) ERGA06DAV3(A) ERGA08DAV3(A) EHVZ04S18DA6V(G) EHVZ08S18DA6V(G) EHVZ08S23DA6V(G) Installer reference guide EHVZ08S18DA9W(G) English Daikin Altherma – Low temperature split EHVZ08S23DA9W(G)

  • Page 2: Table Of Contents

    About connecting the electrical wiring......36 6.2.3 Installation site requirements of the indoor unit ..17 7.9.2 About electrical compliance ......... 36 Preparing refrigerant piping............20 Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 3: General Safety Precautions

    11.5.2 To clean the water filter in case of trouble ....76 11.5.3 To install the water filter ..........76 ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 4: For The Installer

    (on top of the and cause malfunction of the equipment. instructions described in the Daikin documentation). ▪ In places where there is a risk of fire due to the leakage of flammable gases (example: thinner or gasoline), carbon fibre, CAUTION ignitable dust.

  • Page 5: Brine

    ▪ Charge the liquid refrigerant as follows: Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 6: Electrical

    ▪ Format: Paper (in the box of the outdoor unit) ▪ Installer reference guide: ▪ Preparation of the installation, good practices, reference data,… ▪ Format: Digital files on http://www.daikineurope.com/support- and-manuals/product-information/ Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 7: Installation

    To unpack the outdoor unit ▪ 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). Installer reference guide at a...

  • Page 8: To Remove The Accessories From The Outdoor 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. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 9: About The Units And Options

    Floor-standing indoor unit with integrated tank ▪ Alarm output Dual-zone model ▪ Space heating On/OFF output Capacity class ▪ Changeover to external heat source Integrated tank material: Stainless steel ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 10: Possible Combinations Of Indoor Unit And Outdoor Unit

    ▪ How many rooms are heated by the Daikin heat pump system? For installation instructions, see the instruction sheet of the pipe ▪...

  • Page 11: Multiple Rooms - Two Lwt Zones

    Room 3 Outdoor unit Indoor unit Heat exchanger Backup heater Motorised 3-way valve (mixing the main zone) Additional pump Main pump Shut-off valve Collector (field supply) ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 12: Setting Up The Domestic Hot Water Tank

    DHW tank ▪ If energy prices are the same during the day and the night, Daikin recommends to heat up the DHW tank during the day. People experience water as hot when its temperature is 40°C. Therefore, the DHW consumption is always expressed as equivalent ▪...

  • Page 13: Dhw Pump For Instant Hot Water

    "8 Configuration" on page 42. Measuring the consumed energy ▪ Applicable for all models. ▪ Preferred method because of higher accuracy. ▪ Requires external power meters. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 14: Normal Kwh Rate Power Supply

    DHW e Indoor unit (L e Outdoor unit (L production. f Backup heater (L f Indoor unit (L g Backup heater (L Power input Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 15: Power Limitation Activated By Digital Inputs

    Turns OFF the backup heater. management system. Limits the outdoor unit. The power or current of the entire Daikin system is limited Turns OFF the outdoor unit. dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the...

  • Page 16: Preparation

    WARNING for example, door opening/closing The appliance shall be stored in a room without ▪ If this is NOT possible, Daikin recommends to connect a remote continuously operating ignition sources (example: open indoor sensor (option KRCS01-1). flames, an operating gas appliance or an operating electric ▪...

  • Page 17: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Estonia, Finland, Germany, Hungary, Latvia, Lithuania, Norway, ▪ Mind the following measurements guidelines: Poland, Romania, Serbia, Slovakia, Sweden, … 1 Remove the screws holding the suction grille. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 18 Make sure installation, servicing, maintenance and repair Minimum refrigerant piping length between indoor 3 m comply with instructions from Daikin and with applicable unit and outdoor unit legislation (for example national gas regulation) and are executed only by authorised persons.
  • Page 19 ▪ Ventilation openings to the outside are NOT considered suitable ventilation openings (the user can block them when it is cold). ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 20: Preparing Refrigerant Piping

    ▪ Connecting piping – Legislation. Make all piping connections in accordance with the applicable legislation and the instructions in the "Installation" chapter, respecting the water inlet and outlet. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 21: Formula To Calculate The Expansion Vessel Pre-Pressure

    "8.4.6  Tank"  on Motorised 3‑way valve (mixing the main zone) page 56. Additional pump Main pump Shut-off valve ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 22: Changing The Pre-Pressure Of The Expansion Vessel

    0 m. Actions: ▪ Because the total water volume (250  l) is more than the default water volume (200 l), the pre-pressure must be decreased. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 23: Preparing Electrical Wiring

    When the equipment is connected to such preferential kWh rate Normal kWh rate power 6.3 A power supply, the electricity company is allowed to: supply ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 24: Overview: Installation

    1 Remove the top panel. 3~ 230 V 3+GND 3N~ 400 V 4+GND Installation Overview: Installation This chapter describes what you have to do and know on-site to install the system. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 25: To Open The Switch Box Cover Of The Indoor Unit

    1 Remove the top panel that keeps the switch box into place at the top of the unit. 2 Tilt the switch box to the front and lift it out of its hinges. 2× ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 26: Mounting The Outdoor Unit

    To provide the installation structure Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 27: To Install The Outdoor Unit

    Properly align the unit. Make sure the backside of the unit does NOT protrude. 3 Remove the protective cardboard and instruction sheet. (mm) Maximum snowfall height EKFT008D option kit Anti-vibration rubber (field supply) ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 28: To Provide Drainage

    3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cable from scratching the paint (field supply). 4 Attach the cable’s ends. Tighten those ends. Drain pan U-beams Drain hole insulation Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 29: Mounting The Indoor Unit

    About connecting the refrigerant piping Indoor unit Regardless of the period Before connecting the refrigerant piping Make sure the outdoor and indoor unit are mounted. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 30: Guidelines When Connecting The Refrigerant Piping

    Cut exactly at right angles. Remove burrs. 3 Remove the flare nut from the stop valve and put the flare nut on the pipe. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 31: To Connect The Refrigerant Piping To The Outdoor Unit

    ▪ ALWAYS use a charge hose equipped with a valve depressor pin, refrigerant piping is wrapped with finishing tape. since the service port is a Schrader type valve. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 32: Checking The Refrigerant Piping

    Do NOT exceed the unit's maximum working pressure (see compressor. "PS High" on the unit name plate). Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 33: Charging Refrigerant

    If pump down is needed in case of dismantling or relocating the system, see "13.2 To pump down" on page 81 for more details. 7.7.6 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows: ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 34: Connecting The Water Piping

    To ensure the minimum flow rate (and prevent overpressure), install the overpressure bypass valve on the space heating water outlet for the additional zone. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 35: 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. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 36: To Fill The Water Circuit

    ▪ The refrigerant piping is connected and checked ▪ The water piping is connected Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 37: Specifications Of Standard Wiring Components

    5 Optional: Attach the wire clamp (accessory) to the screw of the refrigerant piping cover, and fix the cables to it with a cable tie. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 38: To Connect The Electrical Wiring On The Indoor Unit

    In case of normal kWh rate power supply WARNING Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which can be very hot. a Refrigerant gas pipe Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 39: To Connect The Backup Heater Power Supply

    It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat for the additional zone. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 40: To Connect The Shut-Off Valve

    Contactor (in the lower switch box) Safety contactor (in the lower switch box) Q1DI Earth leakage circuit breaker (field supply) Switch box Terminal (field supply) Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 41: To Connect The Space Heating On/Off Output

    1 Connect the safety thermostat (normal closed) cable to the appropriate terminals as shown in the illustration below. 2 Fix the cable with cable ties to the cable tie mountings. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 42: Finishing The Outdoor Unit Installation

    However, NOT all settings are accessible via both methods. If so, the corresponding table columns in this chapter are set to N/A (not applicable). Gas pipe Gas pipe insulation Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 43: To Access The Most Used Commands

    Voltage [9.3.2] "Backup heater" on page 61 Configuration [9.3.3] Capacity step 1 [9.3.4] Additional capacity step 2 [9.3.5] (if applicable) Main zone ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 44: Possible Screens

    : Radiator g2 Leaving water temperature setpoint Home screen g3 Room thermostat type: Main menu screen Lower level screens: ▪ : Daikin user interface used as room c1: Setpoint screen thermostat c2: Detailed screen with values ▪ : External control 8.3.2 Home screen ▪...

  • Page 45: Main Menu Screen

    Commissioning Settings Values Perform tests and maintenance. Change the active user profile. Possible actions on this screen User profile Go through the list of settings. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 46: Detailed Screen With Weather-Dependent Curve

    To program the schedule 6:00 20°C 22:00 18°C Example: You want to program the following schedule: 8:30 18°C --:-- 17:30 21°C User defined 1 4 Confirm the changes. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 47: Settings Menu

    4 Confirm the changes. 5 Select Saturday. Heating schedule 6 Select Copy. This is available for all models. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 48 The settings can be used to compensate for situations where the Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 49: Main Zone

    [1‑0B] [9‑01]~[9‑00] 0: Underfloor heating Maximum 55°C Variable (see [2.B]) 1: Fancoil unit Maximum 55°C Variable (see [2.B]) 2: Radiator Maximum 65°C Fixed 10°C ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 50 Thermostat type Only applicable in external room thermostat control. Following combinations are possible to control the unit (not applicable when [C‑07]=0): When [C‑07]=2 (RT control) Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 51 30°C. Depending on the installed application (radiators, heat pump convector, under floor loops) or situation, it can be possible to change the difference between ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 52: Additional Zone

    (through the mixing valve station) when there is request from the additional LWT zone. ▪ activate the ON/OFF pump of the mixing valve station ONLY when there is demand. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 53: Space Heating

    Leaving water temperature range for the additional leaving water temperature zone (= the leaving water temperature zone with the highest leaving water temperature in heating operation) [3.8.1] [9-05] Heating minimum: 15°C~37°C ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 54 When space heating operation is ON, you have the choice between ▪ c: On these operation modes: ▪ d: Heating demand (by external room thermostat room thermostat) ▪ e: Pump operation Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 55 The maximum values depend on the unit type: desired temperature (see illustration below). [9-0D]=0 [9-0D]=5 a (kPa) a (kPa) 0°C 0°C Absolute desired LWT Weather dependent desired LWT b (l/min) b (l/min) ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 56: Tank

    Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 57 Applicable when domestic hot water preparation is scheduled +reheat. When the tank temperature drops below the reheat temperature minus the reheat hysteresis temperature, the tank heats up to the reheat temperature. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 58: User Settings

    Time/date Code Description [5.D] [6-01] The temperature difference determining Code Description the heat pump OFF temperature. [7.2] Set the local time and date Range: 0°C~10°C Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 59 4 Repeat this for all three electricity prices. — Completely deactivate Select Off. INFORMATION quiet mode Price value ranging from 0.00~990  valuta/kWh (with 2 significant values). ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 60: Information

    What kind of domestic hot water tank is installed? Calculation of the electricity price: Electricity price=Actual electricity price+Incentive/kWh Electricity price=12.49+5 Electricity price=17.49 Price Value in breadcrumb Gas: 4.08 /kWh [7.6]=8.6 Electricity: 12.49 /kWh [7.5.1]=17 Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 61 50°C, during periods of the day when instant hot water is necessary. Daikin recommends NOT to disable the backup heater second step because it will have a big impact on the Backup heater required time for the unit to heat up the domestic hot water tank.
  • Page 62 NOT confirm emergency operation. Balancing Priorities For systems with an integrated domestic hot water tank Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 63 ▪ 1 Yes: No limitation ▪ 0: Intermittent Do NOT use 1 or 3. ▪ 1: Continuous [D‑00] Backup heater Compressor ▪ 2: Off Forced OFF Forced OFF Allowed ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 64 ▪ 0 None: NOT installed ▪ 1 1/10kWh: Installed ▪ 2 1/kWh: Installed ▪ 3 10/kWh : Installed ▪ 4 100/kWh: Installed ▪ 5 1000/kWh: Installed Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 65 Set all electricity prices ([7.5.1]~[7.5.3]) to "0" in the menu structure. boiler. Also set the following values: NOTICE Do NOT use overview settings! ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 66 5 when bivalent operation function is enabled. permission signal for the auxiliary boiler Daikin shall NOT be held liable for any damage resulting is active (X1 and X2 on EKRP1HB is from failure to observe this rule.
  • Page 67 [9.I]. "To modify an overview setting" on page 43. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 68: Menu Structure: Overview User Settings

    Connection status User profile Operation Room Space heating/cooling Tank Setpoint screen INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 69: 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. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 70: Commissioning

    There are NO damaged components or squeezed 4 During pump test run operation, go to Sensors. pipes on the inside of the indoor and outdoor units. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 71: Air Purge Function

    2 Select OK to confirm. you are sure that all air is removed from the system. During air purge function, pump speed limitation [9‑0D] is NOT applicable. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 72: To Perform An Operation Test Run

    The installer can program up to 20 steps. For each step he needs to ▪ Diverter valve test enter: ▪ Bivalent signal test 1 the duration in hours, up to 72 hours, ▪ Alarm output test Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 73: 10 Hand-Over To The User

    11.1 Overview: Maintenance and service This chapter contains information about: ▪ The yearly maintenance of the outdoor unit ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 74: Maintenance Safety Precautions

    Checkpoints are: ▪ The water flow coming from the relief valve is high enough, no blockage of the valve or in between piping is suspected. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 75: To Drain The Domestic Hot Water Tank

    The water in the tank can be very hot. Prerequisite: Turn OFF the unit via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Close the cold water supply. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 76: To Clean The Water Filter In Case Of Trouble

    3 Make sure that the air purge valve of the water filter is in the open position. 4 Open the valve (if equipped) of the water circuit towards the expansion vessel. Bottom part to be unscrewed Water filter housing Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 77: Troubleshooting

    This should match with the supply settings and electrical connections as explained in connections do NOT match "6.5 Preparing electrical wiring" on page 23 "7.9.8 To connect the main power supply" on page 38. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 78: Symptom: The Pump Is Making Noise (Cavitation)

    "9 Commissioning" on page 70. 0 m. The maximum water circuit head is 10 m. Check the installation requirements. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 79: Symptom: The Pressure At The Tapping Point Is Temporarily Unusually High

    OU: Malfunction of outdoor air stopped manually: [C.3] during disinfection. thermistor Operation > Tank was turned off during disinfection. OU: Malfunction of discharge pipe temperature ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 80 Detailed error Description communication problem code User interface communication Water flow problem problem Water flow problem during Connection with LAN adapter lost domestic hot water production Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 81: Disposal

    PCB cover and set the DIP switches SW5, SW6 and SW2 back to their original position. 1 Remove the valve lid from the liquid stop valve and the gas stop valve. ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 82 5°C (see temperature read out of the indoor unit). You can achieve this, for example, by activating all fans of the fan coil units. Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 83: 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 Piping diagram: Outdoor unit 7.0 CuT...

  • Page 84: Piping Diagram: Indoor Unit

    Thermistor (heat exchanger – water OUT) Thermistor (backup heater – water OUT) Thermistor (liquid refrigerant) Thermistor (heat exchanger – water IN) R5T, R8T Thermistor (tank) Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 85: Wiring Diagram: Outdoor Unit

    Printed circuit board (service) Switching power supply Thermal protector Q1DI # Earth leakage circuit breaker Insulated gate bipolar transistor (IGBT) Thermistor (air) Thermistor (heat exchanger) ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 86: Wiring Diagram: Indoor Unit

    Main PCB R1T (A2P) * Ambient sensor On/OFF thermostat * On/OFF thermostat (PC=power circuit) R1T (A14P) * Ambient sensor user interface * Heat pump convector Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 87 Only for wired On/OFF Only for wired On/OFF (5) Ext. thermistor (5) External thermistor thermostat thermostat Switch box Only for wireless On/OFF Only for wireless On/OFF thermostat thermostat ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...
  • Page 88 4 signal 2 core Only for EKRUDAS 2x0.75 A14P: P1-P2 user interface X5M: 11-12 communication 2 core 2x0.75 A13P: P1-P2 LAN adapter communication 4D109880A Installer reference guide ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 89: Indoor Unit

    ". room 14.6 Table 2 – Minimum floor area: indoor unit (kg) Minimum floor area (m²) H=600 mm 1.84 28.81 1.86 29.44 1.88 30.08 1.90 30.72 ERGA04~08DAV3(A) + EHVZ04+08S18+23DA Installer reference guide Daikin Altherma – Low temperature split 4P495249-1 – 2017.12...

  • Page 90: Esp Curve: Indoor Unit

    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 91 7401 Field settings table [8.7.5] = ..Applicable indoor units EHVZ04S18DA6V* EHVZ08S18DA6V* EHVZ08S18DA9W* EHVZ08S23DA6V* EHVZ08S23DA9W* Notes (*1) *3V (*2) *6V (*3) *9W 4P495259-1A - 2017.11...
  • Page 92 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 12°C └─ Setpoint range 1.5.1 [3-07] Heating minimum...
  • Page 93 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-02] Unit type 1: Heating only └─ Pump limitation 4.8.1 [9-0E] Main zone 0~8, step:1 0 : No limitation 1~4 : 50~80% 5~8 : 50~80% during sampling 4.8.2...
  • Page 94 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Backup heater [5-0D] Voltage R/W (*2) 0: 230V, 1~ (*1) (*2) R/O (*1) 1: 230V, 3~ (*2) (*3) 2: 400V, 3~ (*3) [4-0A] Configuration...
  • Page 95 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.3.7 [5-01] Equilibrium temperature -15~35°C, step: 1°C 0°C 9.3.8 [4-00] Operation 0: Disabled 1: Enabled 2: Only DHW └─ Booster heater 9.4.1 [6-02] Capacity...
  • Page 96 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Bivalent 9.C.1 [C-02] Bivalent 0: No 1: Bivalent 9.C.2 [7-05] Boiler efficiency 0: Very high 1: High 2: Medium 3: Low 4: Very low 9.C.3...
  • Page 97 Installer setting at variance with Field settings table 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 98 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [6-0E] What is the maximum temperature setpoint? 40~60°C, step: 1°C 60°C [7-00] Domestic hot water booster heater overshoot temperature. 0~4°C, step: 1°C 0°C [7-01]...
  • Page 99 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-02] Which type of DHW pump is installed? 0: No 1: Secondary rtrn 2: Disinf. Shunt [D-03] Leaving water temperature compensation around 0°C. 0: No 1: increase 2°C, span 4°C 2: increase 4°C, span 4°C...
  • Page 100 4P495249-1 2017.12...

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