DOMUSA DUAL CLIMA 16 Installation And Operating Instrictions
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DOMUSA DUAL CLIMA 16 Installation And Operating Instrictions

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INSTALLATION AND OPERATING INSTRUCTIONS
 DUAL CLIMA

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  • Page 1 INSTALLATION AND OPERATING INSTRUCTIONS  DUAL CLIMA...
  • Page 2 Thank you for choosing a DOMUSA TEKNIK heat pump. From the range of DOMUSA TEKNIK products you have chosen the DUAL CLIMA 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

    CONTENTS Page SAFETY WARNINGS................................... 2 .................................2 SAGE AND INSTALLATION WARNINGS ..................................2 ERSONAL SAFETY WARNINGS ............................3 RANSPORT STORAGE AND HANDLING WARNINGS ..................................3 REEZE PROTECTION WARNINGS ELECTRONIC CONTROLLER ..............................4 ......................................4 ONTROL BUTTONS ......................................5 IGITAL ISPLAY SWITCHING THE HEAT PUMP ON AND OFF ........................6 OPERATION....................................

  • Page 4: Safety Warnings

    The precautions detailed here cover very important issues. Please be sure to follow them carefully. Read carefully 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 5: Transport, Storage And Handling Warnings

    It is mandatory to use a safety system in the installation to prevent the freezing of water in the machine. DOMUSA TEKNIK proposes the use of glycol in the water circuit of the pump, or some antifreeze valve system to empty the installation in conditions of low temperatures. Carefully read the "Freeze Protection"...

  • Page 6: Electronic Controller

    DUAL CLIMA The electronic controller of the DUAL CLIMA heat pump has a function for protection against the freezing of the water in its interior in periods of frost. For this function to remain active and on alert, the heat pump must be connected to the mains and have a power supply, even if it is switched off or not in use.

  • Page 7: Digital Display

    2.2 Digital Display The controller of the DUAL CLIMA heat pump incorporates a digital display for the viewing and adjustment of the different parameters of the heat pump. The display has different display areas and sets of icons and numbers that indicate the different statuses of the heat pump. Operating modes: Additional functions: AUTO mode enabled.

  • Page 8: Switching The Heat Pump On And Off

    DUAL CLIMA 3 SWITCHING THE HEAT PUMP ON AND OFF To turn on the heat pump press the button . The heat pump will turn on in the last operating mode previously selected and at least one of the operating mode icons ( ) will appear on the digital display.

  • Page 9: Cooling Mode

    4.3 Cooling mode This mode is selectable only if the heating/cooling installation is ready for operation in Cooling mode (cooling floor, fan coils, etc.) and the heat pump is configured for this purpose. In this operating mode, the DUAL CLIMA heat pump will cool and keep the water in the heating/cooling installation at the desired temperature.

  • Page 10: Cooling And Dhw Mode

    DUAL CLIMA 4.7 Cooling and DHW mode This mode will be selectable only if the heating/cooling installation is ready to operate in Cooling mode (cooling floor, fan coils, etc.); the installation has a connected domestic hot water tank and the heat pump is configured for it. This operating mode is the combination of the Cooling and DHW simultaneously.

  • Page 11: 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 12: Adjusting The Dhw Mode Setpoint Temperature

    DUAL CLIMA In addition to the temperature values, in the Heating mode, the "AU" value can be selected as the setpoint, by pressing after selecting the value 10 ºC. Select this value to enable the operation according to the outdoor weather conditions for that mode. The adjustment of the setpoint temperature will be carried out automatically by the electronic controller according to the temperature measured outside the home, according to operating curves pre-set by the installer or the Official Technical Assistance Service (see "Operation According to Outdoor Weather Conditions").

  • Page 13: Additional Functions

    Maintenance Minutes This parameter adjusts the time during which the function will continue activated once the selected temperature is reached. The selectable value range is 10~99 minutes. The default factory value is 10 minutes, and by means of buttons it may increase or decrease, respectively.

  • Page 14: Operation With Room Thermostat

    Optionally, DOMUSA TEKNIK offers a wide range of such devices in its product catalogue. Once the thermostat is installed in your home, select the desired temperature and operating periods, if it is a chrono-thermostat (see the Room-Thermostat Manual).

  • Page 15: Clock And Timer Settings

    7 CLOCK AND TIMER SETTINGS The DUAL CLIMA heat pump integrates a time and date display, through which some functions are managed. It is thus essential to set the correct date and time when commissioning the heat pump. In addition, this clock can be used to set the periods for turning on and off the desired operating modes for each day of the week (weekly programming).
  • Page 16 DUAL CLIMA Adjusting the start points (points 1, 3 and 5) 1.- After accessing the adjustment mode, use buttons to select the day of the week to be programmed and press to confirm. 2.- The digit of the programming points will flash. Use buttons select the desired start point (1, 3 or 5) and press to confirm.
  • Page 17 Adjusting the shutdown points (points 2, 4 and 6) 1.- After accessing the adjustment mode, use buttons to select the day of the week to be programmed and press to confirm. 2.- The digit of the programming points will flash. Use buttons select the desired shutdown point (2, 4 or 6) and press to confirm.

  • Page 18: Operation According To Outdoor Weather Conditions (Au)

    DUAL CLIMA 8 OPERATION ACCORDING TO OUTDOOR WEATHER CONDITIONS (AU) This operating mode enables the electronic controller of the DUAL CLIMA heat pump to calculate the heating temperature depending on the outdoor temperature conditions (OTC) at each particular time, with optimal adjustment of the heating installation conditions for improved comfort in the home and energy savings.

  • Page 19: Installation Instructions

    9 INSTALLATION INSTRUCTIONS 9.1 Location The heat pump must be installed exclusively outside the home and, where possible, in a completely clear area. If a protection is needed around the appliance, it should have wide openings on the 4 sides and the installation separations indicated in the following figure must be respected. No obstacle should prevent the circulation of air through the evaporator and at the fan outlet.

  • Page 20: Accessories Supplied

    DUAL CLIMA Consult with the user before choosing the location of the device. It should not be placed next to sensitive walls, such as on the wall next to a bedroom. Make sure that the location of the heat pump is not disruptive to neighbours (sound level, air currents generated, low temperature of the air blown with risk of freezing plants in the path, etc.).

  • Page 21: Heat Pump Fastening

    9.3 Heat Pump fastening The heat pump should be firmly fixed to a base, preferably a concrete base. Fasten it firmly using 4 sets of M12 bolts suitable for the base material, with nuts and washers (available on the market). Make sure that the protruding distance of the bolt does not exceed 10 mm inside the metallic support of the device (leg).

  • Page 22: Hydraulic Installation

    According to the DUAL CLIMA model installed, these values will be: DUAL CLIMA 8 DUAL CLIMA 11 DUAL CLIMA 16...
  • Page 23 The DUAL CLIMA 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 heat pumps (Sanit HE, BT-Trio and BT-Duo HE lines).

  • Page 24: Electrical Connections

    DUAL CLIMA 9.5.3 Draining the heat pump With the DUAL CLIMA heat pump, a drain valve is supplied, which must be installed in the outlet 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 The dimensioning and type of the main supply cables must at all times comply with the rules and regulations in force. Nevertheless, the following table details some recommended features and dimensions, as a guide: DUAL CLIMA 8 DUAL CLIMA 11 DUAL CLIMA 16...
  • Page 26 DUAL CLIMA 9.6.3 Connecting the DHW tank sensor When installing an DHW tank in combination with the heat pump, a temperature sensor must be installed in the accumulator. By means of this sensor, the electronic controller of the heat pump will be able to manage the temperature of the DHW, activating the DHW mode when the temperature of the accumulator falls below the desired temperature.
  • Page 27 9.6.5 Connecting the DHW diverter valve (G1) When installing an DHW tank in combination with the heat pump, a motorised 3-way diverter valve must be installed between the unit and the installation. By means of this valve, the electronic controller of the heat pump will divert the water to the DHW tank (in DHW mode) or to the heating/cooling circuit (in heating or cooling mode).
  • Page 28 DUAL CLIMA 9.6.6 Connecting the Heat/Cold diverter valve (G3) When it is required to divert the water to different circuits depending on whether the machine is in the Heating or Cooling mode (e.g. Heating by radiators and Cooling by fan-coils), a motorised 3- way diverter valve must be installed between the machine and the installation.
  • Page 29 The DUAL CLIMA heat pump allows the connection of a heating resistor for Heating (optional). Within the wide range of accessories for heat pumps, DOMUSA TEKNIK offers the optional HP Hydraulic Kit that includes a heating electrical heater (2,500 W).
  • Page 30 DUAL CLIMA 9.6.9 Connecting a Heat Pump auxiliary pump (C6) The DUAL CLIMA 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 31 9.6.10 Connecting the room thermostat The DUAL CLIMA heat pump incorporates an IN7 connection in the input terminal (located on the electronic controller board) prepared for the connection of a room chrono-thermostat or room thermostat (see "Electrical Diagrams"), which will stop the heating and/or cooling service of the heating/cooling installation, turning off the operation of the heat pump when the desired temperature in the home is reached.

  • Page 32: Freeze Protection

    For these reasons, it will be mandatory to use a safety system in the installation to prevent the freezing of water in the machines. DOMUSA TEKNIK proposes the use of any of the following systems: ...
  • Page 33 IMPORTANT: It will be mandatory to use a safety system in the installation to prevent the freezing of water in the machines. DOMUSA TEKNIK will not cover damages caused by the lack of an antifreeze safety system in the installation.

  • Page 34: Configuring The Heat Pump

    Therefore, most parameters of the technical menu should only be modified by personnel authorised by DOMUSA TEKNIK. Nevertheless, some technical parameters (described in previous sections) will be useful for the installer and/or the user and should be adjusted by them, depending on the thermal characteristics and performance desired in the home.

  • Page 35: Commissioning

    The following is a list of parameters that can be adjusted by the installer and/or user. Any adjustment of a parameter that is not in this list may cause a serious breakdown and/or rupture of the heat pump. Therefore, DOMUSA TEKNIK will not be held responsible for damages caused by their incorrect modification by unauthorised personnel.

  • Page 36: Equipment Delivery

    13 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 37: Technical Characteristics

    14 TECHNICAL CHARACTERISTICS MODEL DUAL CLIMA 8 DUAL CLIMA 11 DUAL CLIMA 16 Heating nominal capacity 7.80 10.60 15.50 Cooling nominal capacity 8.40 9.45 15.70 Heating nominal consumption 1.70 2.50 3.44 Cooling nominal consumption 2.25 3.05 4.40 Heating nominal intensity 7.39...

  • Page 38: Electrical Diagrams

    DUAL CLIMA 15 ELECTRICAL DIAGRAMS 15.1 Nomenclature Refrigerant circuit components: MC: Compressor motor. PH: High-pressure switch. RL: Reactance. PL: Low-pressure switch. MV: Fan motor. AN1: Discharge temperature sensor. CV: Fan capacitor. AN2: Evaporator temperature sensor. EEV: Electronic expansion valve. AN3: Outdoor temperature sensor. V4V: 4-way valve.

  • Page 39: Dual Clima 8

    15.2 Dual Clima 8...

  • Page 40: Dual Clima 11

    DUAL CLIMA 15.3 Dual Clima 11...

  • Page 41: Dual Clima 16

    15.4 Dual Clima 16...

  • Page 42: Diagrams And Measurements

    DUAL CLIMA 16 DIAGRAMS AND MEASUREMENTS DUAL CLIMA 8 DUAL CLIMA 11 DUAL CLIMA 16 Total height (mm) 1270 IC: Flow Heating/Cooling RC: Return Heating/Cooling. V: Solar circuit drainage. HP: Gas circuit high-pressure outlet. LP: Gas circuit low-pressure outlet.

  • Page 43: Alarm Codes

    17 ALARM CODES The DUAL CLIMA 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 service symbol on the main board display. The table below shows a list of the alarm codes that may appear: Code Alarm Description...
  • Page 44 DUAL CLIMA Code Alarm Description The antifreeze function has been activated. Disconnect and reconnect the power supply of the heat pump. If the Antifreeze protection of the water circuit. alarm is triggered persistently repeatedly, contact the nearest official Technical Assistance Service. The water flow meter of the machine detects a lower water flow than that allowed for each moment of the heat pump (see "Hydraulic Installation").
  • Page 45 Code Alarm Description The low-pressure switch has been activated. Disconnect and reconnect the power supply of the heat pump. If the Low pressure protection. alarm is triggered persistently repeatedly, contact the nearest official Technical Assistance Service. The discharge thermostat has been activated. Disconnect Disconnect and reconnect the power supply of the and reconnect the power supply of the heat pump.
  • Page 46 DUAL CLIMA NOTE: ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 47 NOTE: ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 48 Bº San Esteban s/n 20730 AZPEITIA 20737 RÉGIL (Guipúzcoa) Tel: (+34) 943 813 899 Fax: (+34) 943 815 666 www.domusateknik.com DOMUSA TEKNIK reserves the right to make modifications of *CDOC001732* any kind to its product characteristics without prior notice. CDOC001732 10/17...

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