DOMUSA TEKNIK DUAL CLIMA R Installation And Operation Instructions Manual
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DOMUSA TEKNIK DUAL CLIMA R Installation And Operation Instructions Manual

Air to water heat pump
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DUAL CLIMA R
Air to Water Heat Pump
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| INSTALLATION AND OPERATION INSTRUCTIONS

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  • Page 1 DUAL CLIMA R Air to Water Heat Pump | INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 2 Thank you for choosing a DOMUSA TEKNIK heat pump. From the range of DOMUSA TEKNIK products you have chosen the DUAL CLIMA R model. This is a heat pump capable of providing the ideal level of comfort for your home, always with a suitable hydraulic installation.

  • Page 3: Table Of Contents

    6.7.1 Antifreeze in DHW mode ........................38 6.7.2 Antifreeze in Heating mode ......................38 7 CONFIGURING THE HEAT PUMP ....................39 8 SETTINGS MENU ........................40 8.1 S ............................40 ETTINGS 8.2 T ..........................41 IME SCHEDULING 8.3 S ............................. 42 ERVICE DUAL CLIMA R...
  • Page 4 LIMA CIRCULATION PUMP WORKING CURVES 16.6 D ..............67 LIMA CIRCULATION PUMP WORKING CURVES 17 PERFORMANCE AND EFFICIENCY DIAGRAMS ................68 18 DIAGRAMS AND MEASUREMENTS ................... 75 19 ALARM CODES ........................76 20 WARRANTY CONDITIONS ....................... 80 DUAL CLIMA R...

  • Page 5: Safety Warnings

    1 SAFETY WARNINGS 1.1 Usage and installation warnings DUAL CLIMA R heat pump must be installed by personnel authorised by the Ministry of Industry, in compliance with the applicable laws and regulations. The precautions detailed here cover very important issues. Please be sure to follow them carefully.

  • Page 6: Transport, Storage And Handling Warnings

    1.4 Freeze protection warnings DUAL CLIMA R heat pump is a machine that is installed in the exterior of the house, so that it will be exposed to the extreme climatic conditions of cold in the periods of frost. Due to this, it is of paramount importance that this type of machine is protected against such frost.

  • Page 7: Electronic Controller

    2 ELECTRONIC CONTROLLER 2.1 Control unit The electronic control unit of the DUAL CLIMA R heat pump features a touchscreen, through which all the features and adjustable configuration parameters can be managed. 1. STATUS touch button: 5. Off button: Press this button to access and browse Press this button to turn off the heat pump.

  • Page 8: Icons On The Control Unit

    Water circulator pump activated. Compressor activated. Fan activated. Resistor or auxiliary energy E1 activated. Resistor or auxiliary energy E2 activated. Additional functions: Anti-legionella Function enabled. Antifreeze Function enabled. Defrost Function activated. Time schedule activated. Room Thermostat function DUAL CLIMA R...

  • Page 9: Switching The Heat Pump On And Off

    To turn off the heat pump, press the off button (5) and accept the selection. The heat pump will proceed to execute the shutdown sequence and the green light will disappear on the power LED (16) of the digital display. DUAL CLIMA R...

  • Page 10: Operation

    4 OPERATION 4.1 Operating mode manual selection Depending on the set-up of your installation, the DUAL CLIMA R heat pump will be able to manage up to 5 different operating modes manually. To select these operating modes, press MODE (3) from...

  • Page 11: Dhw Mode

    In this operating mode, the DUAL CLIMA R heat pump will heat the domestic water of the DHW tank up to the desired temperature, allowing Domestic Hot Water service to the home. To do this, select the "Temperature Selection"...

  • Page 12: Operation With Room Thermostats

    (Standby). In the following table it is described the functioning of Dual Clima R heat pump in "AUTO" mode, depending on the remote mode selection made by the Heating/Cooling thermostat:...

  • Page 13: Peration According To Outdoor Weather Conditions (Au)

    4.9 Operation according to outdoor weather conditions (AU) This operating mode enables the electronic controller of the DUAL CLIMA R heat pump to calculate the heating temperature depending on the outdoor temperature conditions (AU) at each particular time, with optimal adjustment of the heating installation conditions for improved comfort in the home and energy savings.

  • Page 14: Night Mode

    With the aim of reducing the number of activations and the sound impact of the heat pump during particularly sensitive times (night), the DUAL CLIMA R heat pump allows the activation of the Night operating mode. During the Night operating mode, the DHW will automatically raise the adjusted setpoint temperature by +3 ºC, the Heating mode will automatically reduce its setpoint temperature...
  • Page 15 NOTE: In case of not having an auxiliary heating source that allows raising the DHW temperature above 60 ºC, the anti-legionella function will not ensure the eradication of said bacteria. DUAL CLIMA R...

  • Page 16: Temperature Selection

    For the correct adjustment of the appropriate value of this operating mode, the recommendations of the installer or official Technical Service of DOMUSA TEKNIK should be followed. Depending on the type of installation, the location (climatic zone) and the relative humidity of the home, excessively low temperatures of the Cooling mode setpoint may create "undesired"...

  • Page 17: Adjusting The Heating Mode Setpoint Temperature

    If the desired temperature in the tank is higher than 50 ºC, it is essential to install an auxiliary heat source in the tank (electric heating resistor, auxiliary boiler, etc.). The DUAL CLIMA R heat pump will heat the water in the tank to 50 ºC and, from this temperature, activate the auxiliary source to reach the desired upper temperature.
  • Page 18 ºC, it is essential to install an auxiliary heat source in the tank (electric heating resistor, auxiliary boiler, etc.). The DUAL CLIMA R heat pump will heat the water in the tank to 50 ºC and, from this temperature, activate the auxiliary source to reach the adjusted temperature. If this auxiliary heating source is not available, the heat pump will heat the water in the tank to 50 ºC and keep the temperature...

  • Page 19: Installation Instructions

    No obstacle should prevent the circulation of air through the evaporator and at the fan outlet. Minimum separations for the installation of a unit (mm). Minimum separations for the installation of multiple units in the same location (mm). DUAL CLIMA R...

  • Page 20: Accessories Supplied

    6.2 Accessories Supplied The following accessories are supplied in the interior of the DUAL CLIMA R heat pump. Before proceeding with the installation of the machine, make sure that you receive them and that they are in good condition.

  • Page 21: Condensates Drainage

    If the installation is carried out in a region where the temperature can be below 0 ºC for a long period of time, check that the presence of frost does not represent any danger. DUAL CLIMA R...

  • Page 22: Ydraulic Installation

    According to the DUAL CLIMA R model installed, these values will be: DUAL CLIMA R...

  • Page 23: Installing A Dhw Tank

    6.5.1 Installing a DHW tank The DUAL CLIMA R heat pump may include (optionally) in its installation a tank for the production of domestic hot water. In the offering of aerothermal accessories, DOMUSA TEKNIK offers a wide range of DHW tanks specially designed to be combined with the DUAL CLIMA R heat pumps (Sanit HE, BT-Trio and BT-Duo HE lines).

  • Page 24: Filling The Installation

    6.5.3 Draining the heat pump With the DUAL CLIMA R heat pump, a drain valve is supplied, which must be installed in the outlet (B) provided in the bottom part of the back side of the machine. The draining of the heat pump water will be carried out by opening said valve.

  • Page 25: Electrical Connections

    6.6.1 Connection to the main power supply The DUAL CLIMA R heat pump is prepared for connection to 230 V ~ 50 Hz o 400 Hz ~ 50 Hz in the "Electrical Diagrams"...
  • Page 26 IMPORTANT: The cable section indicated in the table above is indicative since it depends on the type of cable and installation. In any case, be sure to comply with local regulations. DUAL CLIMA R...

  • Page 27: Main Board Connection

    DHW, activating the DHW mode when the temperature of the accumulator falls below the desired temperature. A DHW tank sensor is supplied within the DUAL CLIMA R heat pump. This sensor is located in the documentation bag, inside the machine and is identified as "DHW TANK SENSOR". The electrical connection of the sensor will be made between terminals TH7 of the inputs terminal strip of the heat pump.

  • Page 28: Connecting A Backup Source Of Energy For Dhw (E1)

    As alternative to the backup electrical heater, DUAL CLIMA R heat pump allows the connection of a conventional source of energy as gas boiler, oil boiler, biomass, etc. For it, the DHW tank must be provided with an auxiliary coil exchanger and/or any intermediate system of exchange that allows the hydraulic connection of the above mentioned backup source of energy.

  • Page 29: Connecting The Dhw Diverter Valve (G2)

    HEAT PUMP NO: Normally OPEN (not energising the motor). NC: Normally CLOSE (not energising the motor). IMPORTANT: Before carrying out any work on the electrical installation of the heat pump, always ensure it is disconnected from the mains. DUAL CLIMA R...

  • Page 30: Connecting A Backup Source Of Energy For Heating Installation (E2)

    As alternative to the backup electrical heater, DUAL CLIMA R heat pump allows the connection of a conventional source of energy as gas boiler, oil boiler, biomass, etc. For it, the heating installation must...

  • Page 31: Connecting The Heat/Cold Diverter Valve (G3)

    COOLING NO: Normally OPEN (not energising the motor). NC: Normally CLOSE (not energising the motor). IMPORTANT: Before carrying out any work on the electrical installation of the heat pump, always ensure it is disconnected from the mains. DUAL CLIMA R...

  • Page 32: Connecting A Heat Pump Auxiliary Pump (C6)

    6.6.8 Connecting a Heat Pump auxiliary pump (C6) The DUAL CLIMA R heat pump allows the connection of a circulation pump (C6) to increase the water flow rate of the machine if necessary, in addition to that obtained by its internal pump (C4). This C6 circulation pump will work in parallel with the internal pump of the C4 machine only when it is operating in the Heating or Cooling mode.
  • Page 33 For its functioning, this type of thermostat has 3 signal wires; one for the activation of the Heating mode, one for the activation of the Cooling mode and one for common signal. Depending on the state of each signal, DUAL CLIMA R heat pump will manage the Heating/Cooling operation modes in the following way:...
  • Page 34 C and H: G2S G3S N C H COM L G2S G3S H COM  IMPORTANT: Before carrying out any work on the electrical installation of the heat pump, always ensure it is disconnected from the mains. DUAL CLIMA R...
  • Page 35 (HRT) has to be activated (close signal) when room temperature is lower than the one desired (setpoint temperature). The DUAL CLIMA R heat pump will activate the Heating/Cooling modes depending on the signal received from each room thermostat in the following way:...
  • Page 36 Heating type thermostat (Heating mode)  Cooling type thermostat (Cooling mode)  IMPORTANT: Before carrying out any work on the electrical installation of the heat pump, always ensure it is disconnected from the mains. DUAL CLIMA R...

  • Page 37: Freeze Protection

    6.7 Freeze Protection The DUAL CLIMA R heat pump is a machine that is installed in the exterior of the home, so that it will be exposed to the extreme climatic conditions of cold in the periods of frost. Because of this, it is of paramount importance that this type of machine is protected against such frost, as its internal construction and the amount of water inside it make it more prone to freezing.

  • Page 38: Antifreeze In Dhw Mode

    NOTE: For the antifreeze function to remain active and on alert, the heat pump must be connected to the mains and have electrical supply. DOMUSA TEKNIK will not cover damages caused by the lack of an antifreeze safety system in the installation.

  • Page 39: Configuring The Heat Pump

    7 CONFIGURING THE HEAT PUMP The DUAL CLIMA R heat pump is supplied from factory configured to provide Heating, Cooling and DHW modes. In case the installation does not have any of these services allowed, THEY MUST be disabled by "Settings menu"...

  • Page 40: Settings Menu

    Date and time settings The DUAL CLIMA R heat pump includes a time and date indication, through which some of its features are managed. Therefore, it is essential to set the correct date and time when starting the heat pump.

  • Page 41: Time Scheduling

    8.2 Time scheduling On the SETTINGS menu (2), the DUAL CLIMA R heat pump integrates a time scheduler by means of which it is possible to schedule the On and Off periods, as well as the desired operating modes in each of them (weekly scheduling).

  • Page 42: Service Menu

    Scheduling OFF 8.3 Service Menu On the Settings menu (2), the electronic control of the DUAL CLIMA R pump has a Service Menu, with which the operation of both the gas circuit and the water circuit can be managed. Any incorrect setting of any of the parameters in this menu can cause a failure and/or breakage of the machine.
  • Page 43 1 (enabled) 0 (disabled), DHW function valid 1 (enabled) 0: Normal Forced sterilization 1: Kill once Sterilization interval X 7 ~ 99 days Sterilization start time Y 0 ~ 23 Sterilization keeping time 5 ~ 99 minutes DUAL CLIMA R...

  • Page 44: Status Menu

    0: off, 1: on Compressor running frequency ASHP outdoor fan/ GEO HP water source pump 0: off, 1: on Compressor heater 0: off, 1: on 4-way valve 0: Cold, 1: Heat Bypass valve 0: off, 1: on Reserved DUAL CLIMA R...
  • Page 45 Running mode 0: AUTO, 1: Cold, 2: Heat, 3: DHW Target frequency 5: DC9R, 6: DC12R, 7: DC16R, 8: Compressor model Encode DC16RT, 9: DC19RT, 11: DC6R, 12: DC19R Reserved Reserved Actual HP AC return water temp °C DUAL CLIMA R...
  • Page 46 Code Definition Unit Range Reserved Return lubricant oil error cumulative times Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW version No AC Input voltage Reserved HP stop code IPM Voltage DUAL CLIMA R...

  • Page 47: Configuration Of Auxiliary Or Support Sources (E1, E2)

    10 CONFIGURATION OF AUXILIARY OR SUPPORT SOURCES (E1, E2) The basic principle of DUAL CLIMA R heat pump functioning consists of getting the energy from the air outside the building and using it inside the house in the form of thermal energy for a heating/cooling water circuit and/or to produce Domestic Hot Water.

  • Page 48: Backup Source Mode (P27 = 0)

    The range of values for P28 parameter is between -30 ~ +10 ºC. The default value set is -15 ºC and this value can be increased or decreased by marking the desired value in the displayed submenu. Once the desired value has been selected, press the "Ent" button to save said setting. DUAL CLIMA R...

  • Page 49: Passive Combined Mode (P27 = 2)

    "Auxiliary NOTE: THE CIRCULATION PUMP of the heat pump (C4) WILL NOT ACTIVATE in source mode" , therefore, it is essential that the auxiliary power source has its own circulation pump. DUAL CLIMA R...

  • Page 50: Commissioning

    11.1 Prior warnings Repair and maintenance of the heat pump must be carried out by a qualified professional authorised by DOMUSA TEKNIK. For optimal operation and conservation of the heat pump, it should be serviced annually. Carefully read this instruction manual and keep it in a safe, easily-accessible place. DOMUSA TEKNIK will not be liable for any damages caused by failure to follow these instructions.

  • Page 51: Maintenance

    12 MAINTENANCE To maintain the heat pump in perfect working order, a yearly maintenance should be performed by personnel authorised by DOMUSA TEKNIK. Between the maintenance tasks, the following operations should be performed at least once a year: • Check that the supply, consumption and electrical installation are correct.

  • Page 52: Disposal And Recycling

    The refrigerant will be removed and returned to the refrigerant manufacturer for recycling or disposal. DUAL CLIMA R...

  • Page 53: Electrical Diagrams

    HMI: Main board. Component connection terminal: DHW backup resistor. TAF: Cooling mode room thermostat. Heating backup resistor. TAC: Heating mode room thermostat. Circulator pump of the heat pump. Heating/DHW 3-way valve. Backup circulator pump. Heat/Cold 3-way valve. DUAL CLIMA R...

  • Page 54: Dual Clima 6R

    14.2 Dual Clima 6R DUAL CLIMA R...

  • Page 55: Dual Clima 9R

    14.3 Dual Clima 9R DUAL CLIMA R...

  • Page 56: Dual Clima 12R

    14.4 Dual Clima 12R DUAL CLIMA R...

  • Page 57: Dual Clima 16R

    14.5 Dual Clima 16R DUAL CLIMA R...

  • Page 58: Dual Clima 19R

    14.6 Dual Clima 19R DUAL CLIMA R...

  • Page 59: Dual Clima 16Rt

    14.7 Dual Clima 16RT DUAL CLIMA R...

  • Page 60: Dual Clima 19Rt

    14.8 Dual Clima 19RT DUAL CLIMA R...

  • Page 61: Technical Characteristics

    (coolant circuit) Coolant Coolant amount Compressor oil type FW68S Protection degree IPX4 Fan rpm Fan power Sound power dB(A) 710/111 710/111 960/111 1280/11 1280/11 1280/11 1280/11 Dimensions: (H/W/D) 5/425 5/425 5/425 15/425 15/425 15/425 15/425 Net weight DUAL CLIMA R...

  • Page 62: Characteristics Of The Circulation Pump

    Select pump curve (I, II, III) within the control mode. • Press and hold: Activate the pump venting function (press for 3 • seconds). Activate manual restart (press for 5 seconds). • Lock/unlock button (press for 8 seconds). • DUAL CLIMA R...

  • Page 63: Control Modes

    Variable differential pressure Δp-v Variable differential pressure Δp-v Constant differential pressure Δp-c Constant differential pressure Δp-c Constant differential pressure Δp-c Constant speed Pressing the button for the 9th time returns to the basic setting (constant speed / characteristic curve III). DUAL CLIMA R...

  • Page 64: Functions

    Activate manual restart via the operating button: press and hold for 5 seconds, then release. • The restart function is initiated and lasts max. 10 minutes. • The LEDs flash in succession clockwise. • To cancel, press and hold the operating button for 5 seconds. • DUAL CLIMA R...

  • Page 65: Circulating Pump Flow Curves

    By means of the following diagrams it is possible to calculate the hydrodriving pressure available for the heating/cooling installation, taking in account the water pump working curves and the pressure drop of each DUAL CLIMA R model. 16.4 Dual Clima 12R, 16R and 16RT circulation pump working curves...

  • Page 66: Dual Clima 19R And 19Rt Circulation Pump Working Curves

    Characteristic curve of the circulation pump for constant speed mode I, II, III: Characteristic curve of the circulation pump for the variable differential pressure mode: Characteristic curve of the circulation pump for the constant differential pressure mode: DUAL CLIMA R...

  • Page 67: Dual Clima 6R And 9Rt Circulation Pump Working Curves

    16.6 Dual Clima 6R and 9RT circulation pump working curves Heat pump pressure drop curves In the following diagrams is shown the pressure drop produced by the inner hydraulic circuit of each DUAL CLIMA R model, depending on the water flow of the installation: DUAL CLIMA R...

  • Page 68: Performance And Efficiency Diagrams

    17 PERFORMANCE AND EFFICIENCY DIAGRAMS The basic principle of DUAL CLIMA R heat pump functioning consists of getting the energy from the air outside the building and using it inside the house in the form of thermal energy for a heating/cooling water circuit and/or to produce Domestic Hot Water.
  • Page 69 DUAL CLIMA 9R DUAL CLIMA R...
  • Page 70 DUAL CLIMA 12R DUAL CLIMA R...
  • Page 71 DUAL CLIMA 16R DUAL CLIMA R...
  • Page 72 DUAL CLIMA 19R DUAL CLIMA R...
  • Page 73 DUAL CLIMA 16RT DUAL CLIMA R...
  • Page 74 DUAL CLIMA 19RT DUAL CLIMA R...

  • Page 75: Diagrams And Measurements

    A (mm) 1280 1280 1280 1280 B (mm) C (mm) D (mm) IC: Flow Heating/Cooling 1” 1-1/4” RC: Return Heating/Cooling 1” 1-1/4” V: Draining the water 1/2" circuit HP: Gas circuit high-pressure outlet. LP: Gas circuit low-pressure outlet. DUAL CLIMA R...

  • Page 76: Alarm Codes

    19 ALARM CODES The DUAL CLIMA R heat pump has an electronic controller that performs continuous self-testing to detect any pump malfunctioning. When the controller detects malfunctioning, this is indicated by an alarm code and the red light of the alarm indicator LED (11) on the control panel display.
  • Page 77 Disconnect and reconnect the power supply of the heat IPM PFC module failure. pump. If the alarm is triggered persistently repeatedly, contact the nearest official Technical Assistance Service. The compressor stops abnormally. Contact your nearest Abnormal stop of the compressor. official Technical Assistance Service. DUAL CLIMA R...
  • Page 78 Incorrect heat pump setting. Service Menu. Please contact your nearest official Technical Assistance Service to have it replaced. Error in the power supply. Contact your nearest official Lack of phase. Technical Assistance Service to have it repaired. DUAL CLIMA R...
  • Page 79 Service Menu. Please contact your nearest official Technical Assistance Service to have it replaced. NOTE: It will be very useful for the technical assistance service if you can inform them of the alarm code that has appeared on call-out. DUAL CLIMA R...

  • Page 80: Warranty Conditions

    5 years for heat pump compressors. 10 Years for the stainless steel tank of the FUSION models. During the 2-year period following the start-up date, DOMUSA TEKNIK will carry out any repairs of original flaws or defects totally free of charge.
  • Page 81 NOTES: ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................DUAL CLIMA R...
  • Page 82 NOTES: ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................DUAL CLIMA R...
  • Page 83 NOTES: ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................DUAL CLIMA R...
  • Page 84 Bº San Esteban s/n CDOC002336 15/10/21 20730 AZPEITIA 20737 ERREZIL (Gipuzkoa) Telf: (+34) 943 813 899 Fax: (+34) 943 815 666 www.domusateknik.com DOMUSA TEKNIK reserves the right to make modifications of any kind to its product characteristics without prior notice.

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