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Daikin EDHQ014BA6V3 Installation Manual

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INSTALLATION MANUAL
Unit for air to water heat pump system
EDHQ011BA6V3
EDHQ014BA6V3
EDHQ016BA6V3
EDHQ011BA6W1
EDHQ014BA6W1
EDHQ016BA6W1
EDLQ011BA6V3
EDLQ014BA6V3
EDLQ016BA6V3
EDLQ011BA6W1
EDLQ014BA6W1
EDLQ016BA6W1
EBHQ011BA6V3
EBHQ014BA6V3
EBHQ016BA6V3
EBHQ011BA6W1
EBHQ014BA6W1
EBHQ016BA6W1
EBLQ011BA6V3
EBLQ014BA6V3
EBLQ016BA6V3
EBLQ011BA6W1
EBLQ014BA6W1
EBLQ016BA6W1

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Summary of Contents for Daikin EDHQ014BA6V3

  • Page 1 INSTALLATION MANUAL Unit for air to water heat pump system EDHQ011BA6V3 EDHQ014BA6V3 EDHQ016BA6V3 EDHQ011BA6W1 EDHQ014BA6W1 EDHQ016BA6W1 EDLQ011BA6V3 EDLQ014BA6V3 EDLQ016BA6V3 EDLQ011BA6W1 EDLQ014BA6W1 EDLQ016BA6W1 EBHQ011BA6V3 EBHQ014BA6V3 EBHQ016BA6V3 EBHQ011BA6W1 EBHQ014BA6W1 EBHQ016BA6W1 EBLQ011BA6V3 EBLQ014BA6V3 EBLQ016BA6V3 EBLQ011BA6W1 EBLQ014BA6W1 EBLQ016BA6W1...
  • Page 2 B 2 B 2 D 2 D 2 D 2 D 2 L 1 L 1 B 1 B 1 L 2 L 2 D 1 D 1 B 2 B 2 D 2 D 2 D 2 D 2 L 1 L 1 B 1 B 1 L 2 L 2...
  • Page 3 3PW33163-5F...

  • Page 4: Table Of Contents

    These units are used for both heating and cooling applications. The Initial start-up at low outdoor ambient temperatures ....... 26 units can be combined with Daikin fan coil units, floor heating Pre-operation checks................27 applications, low temperature radiators, domestic hot water tank Powering up the unit ................

  • Page 5: Scope Of This Manual

    Operation range Both versions are delivered with an integrated backup heater for additional heating capacity during cold outdoor temperatures. The Heating mode Cooling mode backup heater also serves as a backup in case of malfunctioning of the unit and for freeze protection of the outside water piping during winter time.

  • Page 6: Accessories

    Warning CCESSORIES Tear apart and throw away plastic packaging bags so that children will not play with them. Accessories supplied with the unit Children playing with plastic bags face danger of death by suffocation. Safely dispose of packing materials. Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries.

  • Page 7: Before Installation

    Caution EFORE INSTALLATION For use of units in applications with temperature alarm settings it Installation is advised to foresee a delay of 10 minutes for signalling the alarm in case the alarm temperature is exceeded. The unit may Be sure to confirm the model name and the serial no. of the stop for several minutes during normal operation for "defrosting outer (front) plates when attaching/detaching the plates to avoid of the unit"...

  • Page 8: Selecting Installation Site

    Set the outlet side at a right angle to the direction of the wind. ELECTING INSTALLATION SITE Make sure to provide for adequate measures in order Strong wind to prevent that the outdoor unit be used as a shelter by small animals. Small animals making contact with electrical parts can cause malfunctions, smoke or fire.

  • Page 9: Precautions On Installation

    RECAUTIONS ON INSTALLATION Installation servicing space Check the strength and level of the installation ground so that The numerical figures used in the figures represent the dimensions in the unit will not cause any operating vibration or noise after installation. (Refer to "Precautions on installation"...

  • Page 10: Typical Application Examples

    (C) In case of multiple-row installation (for roof top use, etc.) YPICAL APPLICATION EXAMPLES In case of installing one unit per row. The application examples given below are for illustration purposes only. Application 1 ≥100 Space heating only application with a room thermostat connected to the unit.

  • Page 11: Application 2

    Domestic water heating Application 2 When domestic water heating mode is enabled (either manually by Space heating only application without room thermostat connected to the user, or automatically through a schedule timer) the target the unit. The temperature in each room is controlled by a valve on domestic hot water temperature will be achieved by a combination of each water circuit.

  • Page 12: Application 4

    Space heating with an auxiliary boiler (alternating operation) only. Space heating application by either the Daikin unit or by an auxiliary boiler connected in the system. The decision whether either the E(D/B)* unit or the boiler will operate can be achieved by an auxiliary contact or an E(D/B)* indoor controlled contact.
  • Page 13 EKRTW* Boiler Boiler thermostat input Boiler Boiler thermostat input Daikin can not be put responsible for incorrect or thermostat input unsafe situations in the boiler system. Cooling demand room thermostat (optional) Heating demand room thermostat (optional) Common room thermostat (optional) Auxiliary relay for activation of boiler unit (field supply)

  • Page 14: Application 6

    Daikin only offers a dual set point control function. By this function influenced by the sun. two set points can be generated. Depending on the required water Frequent switching may cause corrosion of the temperature (floor heating loops and/or fan coil units are required)

  • Page 15: Overview Of The Unit

    (e.g. too high water temperatures towards floor heating loops, etc.) Daikin does not offer any type of mixing station. Dual set point control only provides the possibility to use two set points. When only zone A request heating, zone B will be fed with water at a temperature equal to the first...
  • Page 16 Switch box main components (door 2) 14. Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against freezing and the pump against damage. 15. Pump The pump circulates the water in the water circuit. 16.

  • Page 17: Water Pipework

    12 m in length. 10 m In order to optimise efficiency Daikin recommends to install To assure proper operation of the unit, the pre-pressure of the the 3-way valve and the domestic hot water tank as close expansion vessel might need to be adjusted and the minimum and as possible to the unit.
  • Page 18 Checking the maximum allowed water volume NOTE When circulation in each space heating loop is To determine the maximum allowed water volume in the entire circuit, controlled by remotely controlled valves, it is important proceed as follows: that this minimum water volume is kept even if all the valves are closed.
  • Page 19 Connecting the water circuit If power failure can happen at times the unit is unattended, Daikin recommends adding glycol to the water system. Refer to Caution: Water connections must be made in accordance with local "Use of glycol" on page...

  • Page 20: Charging Water

    Piping insulation NOTE Be aware of the hygroscopic property of glycol: it absorbs moisture from its environment. The complete water circuit, inclusive all piping, must be insulated to Leaving the cap off the glycol container causes the prevent condensation during cooling operation and reduction of the concentration of water to increase.
  • Page 21 Precautions on electrical wiring work Required Maximum Fix cables so that cables do not make contact with the pipes number of running Item Description conductors current (especially on high pressure side). Power supply cable for unit 2+GND Secure the electrical wiring with cable ties as shown in figure 2 Power supply cable for backup 2+GND...
  • Page 22 Internal wiring - Parts table V1T ....IGBT (only for V3 models) X1M ....Power supply terminal strip Refer to the internal wiring diagram supplied with the unit (on the Y1E....Electronic expansion valve inside of the switch box cover). The abbreviations used are listed below.
  • Page 23 Door 2 electrical parts of the hydraulic compartment : TERMINAL STRIP A11P....Main PCB : CONNECTOR A12P....User interface PCB (remote controller) : TERMINAL A3P....Thermostat (EKRTW*, EKRTR*)(PC=Power Circuit) : PROTECTIVE EARTH A3P....Solar pump station PCB (EKSR3PA) DO NOT OPERATE THE UNIT BY SHORT-CIRCUITING ANY PROTECTION DEVICE A4P....
  • Page 24 Field wiring guidelines Specifications of standard wiring components Most field wiring on the unit is to be made on the terminal block inside the switch box. To gain access to the terminal block, Door 1: compressor compartment and electrical parts: X1M remove the switch box service panel (door 2).
  • Page 25 Connection of the thermostat cable Door 2: electrical parts of the hydraulic compartment: X10M Connection of the thermostat cable depends on the application. Earth leakage circuit 1~ 50 Hz 3N~ 50 Hz See also "Typical application examples" on page 7 "Room breaker 230 V...
  • Page 26 Wiring the 3-way valve CAUTION Using the appropriate cable, connect the valve control cable to for a benefit kWh rate power supply like illustrated the appropriate terminals as shown on the wiring diagram. below as type 1 (allowed for all models) Two types of 3-way valves can be connected.

  • Page 27: Installation Of The Digital Controller

    Possible types of benefit kWh rate power supply When connecting the equipment to a benefit kWh rate Possible connections and requirements to connect the equipment to power supply, change field settings [D-01] and both [D-01] such power supply are illustrated in the figure below: and [D-00] in case the benefit kWh rate power supply is of the type that power supply is not interrupted (like illustrated [D-01]=1...

  • Page 28: Start-Up And Configuration

    Wire the unit. TART UP AND CONFIGURATION The unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and user expertise. It is important that all information in this chapter is read sequentially by the installer and that the system is configured as applicable.

  • Page 29: Pump Operation Configuration

    The following table summarizes the required configuration and The following table summarizes the required configuration and wiring thermostat wiring at the terminal block in the switch box. Pump at the terminal block (X2M: 1, 2, 4) in the switch box. Pump operation operation is listed in the third column.

  • Page 30: Pre-Operation Checks

    Pre-operation checks Powering up the unit When power supply to the unit is turned on, "88" is displayed on the Checks before initial start-up user interface during its initialisation, which might take up to 30 seconds. During this process the user interface cannot be operated. DANGER Switch off the power supply before making any connections.

  • Page 31: Field Settings

    Press the bgj button to select the appropriate field The reversed phase protection detector of this product only works during the initialisation stage after a power reset. setting second code. The reversed phase protection detector is designed to stop the Press the pfi button and pfj button to change product in case of an abnormality when the product is started the set value of the select field setting.
  • Page 32 [1] Weather dependent set point (heating operation only) [2] Disinfection function The weather dependent set point field settings define the parameters Applies only to installations with a domestic hot water tank. for the weather dependent operation of the unit. When weather The disinfection function disinfects the domestic hot water tank by dependent operation is active the water temperature is determined periodically heating the domestic water to a specific temperature.
  • Page 33 [4] Backup heater operation and space heating off temperature Booster heater operation Backup heater operation Applies only to installations with a domestic hot water tank. The operation of the backup heater can be enabled or disabled, or it The operation of the booster heater can be enabled or limited can be disabled depending on operation of the booster heater.
  • Page 34 [4-04] Freeze protection function: avoids freezing of the [5-04] Set point correction for domestic hot water water piping between home and unit. In case of low ambient temperature: set point correction for the desired domestic hot temperatures it will activate the pump and in case of low water temperature, to be applied at low outdoor temperature water temperatures it will additionally activate the backup when space heating priority is enabled.
  • Page 35 [6] DT for heat pump domestic water heating mode [7] DT for booster heater and dual set point control Applies only to installations with a domestic hot water tank. DT for booster heater The 'DT (temperature difference) for heat pump domestic water Applies only to installations with a domestic hot water tank.
  • Page 36 [7-01] Hysteresis value booster heater: temperature [8] Domestic water heating mode timer difference determining the booster heater ON temperature Applies only to installations with a domestic hot water tank. ). T – [7-01] BH ON BH ON BH OFF The 'domestic water heating mode timer' field settings defines the minimum and maximum domestic water heating times, minimum time minimum value...
  • Page 37 [8-03] Booster heater delay time: specifies the start-up time [8-04] Additional running time at [4-02]/[F-01]: specifies the delay of the booster heater operation when heat pump additional running time on the maximum running time at domestic water heating mode is active. outdoor temperature [4-02] or [F-01].
  • Page 38 The purpose of this function is to determine —based on the outdoor temperature— which heating YC Y1 Y2 Y3 Y4 source can/will provide the space heating, either the Daikin unit or an auxiliary boiler. [D] Benefit kWh rate power supply/Local shift value weather The field setting "bivalent operation"...
  • Page 39 [D-01] Unit connection to benefit kWh rate power supply: [F] Option setup Defines whether or not the outdoor unit is connected to a Pump operation benefit kWh rate power supply. If [D-01]=0, the unit is connected to a normal power supply The pump operation field setting apply to the pump operation logic (default value).

  • Page 40: Field Settings Table

    Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit User permission level User permission level — Weather dependent set point Low ambient temperature (Lo_A) –10 –20~5 °C...
  • Page 41 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Cooling and heating set point ranges Heating set point upper limit 37~55 °C Heating set point lower limit 15~37 °C Cooling set point upper limit...

  • Page 42: Test Run And Final Check

    EST RUN AND FINAL CHECK Test run operation (manual) The installer is obliged to verify correct operation of unit after If required, the installer can perform a manual test run operation at installation. any time to check correct operation of heating, cooling and domestic water heating.

  • Page 43: Maintenance And Service

    flowing through the refrigerant piping, This maintenance has to be carried out by your local Daikin compressor, and other refrigerant cycle parts. Your technician. hands may suffer burns or frostbite if you touch the refrigerant pipes.

  • Page 44: Troubleshooting

    This troubleshooting and related corrective actions may only be pump (refer to "Setting the pump speed" on page 27). carried out by your local Daikin technician. The water volume in the installation Make sure that the water volume in is too low. the installation is above the minimum required value (refer to "Checking...

  • Page 45: Error Codes

    Symptom 5: The water pressure relief valve leaks Error codes OSSIBLE CAUSES ORRECTIVE ACTION When a safety device is activated, the user interface LED will be Dirt is blocking the water pressure Check for correct operation of the flashing, and an error code will be displayed. relief valve outlet.

  • Page 46: Technical Specifications

    Error Error code Failure cause Corrective action code Failure cause Corrective action Booster heater thermal protector Reset the thermal protector Power supply cables are Connect the power supply is open (applies only to connected in the reverse phase cables in normal phase. Change installations with a domestic hot instead of the normal phase.
  • Page 47 NOTES NOTES...
  • Page 48 4PW57621-1A...

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