Carrier AQUASMART 42WHC Installation Manual

Contents

Carrier AQUASMART 42WHC Installation Manual Manual pdf 9 page image

42 WHC/AQUASMARTGB - 8Communicating AQUASMART control systemWiring diagramTo the valveThe control system consists of two boards - HY-NEC and HY-NEC(Prime). As an option it is possible to have a Room Controller or aninfrared remote control.To facilitate maintenance operations and work times, allAquasmart controller connections have faston connections,pre-wired in the factory.The AQUASMART system is supplied in the following configurations:• 2 pipes version.The controller senses the room temperature either via thetemperature sensor incorporated in the room control panel (CRC)(if supplied) or via a temperature sensor incorporated in the returnair of the FAN COIL.PGCWS230V ~ 50HzAir sensorTo the RoomController(CRC) optionalWarning lights and controlsRoom ControllerconnectorInfrared remotecontrol connectorLegendWS Window contact switchN* Green indicator: unit ON - unit OFF when not lit.P* Yellow indicator: (not used).Q* Red indicator: indicates a failure on the unit.R Operation switch (used by authorized service personnelonly ): three-position switch for “normal”, “emergency” or “X” notused.“Normal”: switch position for unit standard operation.“Emergency”: put switch in this position if you want to start theunit and the infrared remote control does not work(e.g. - exhausted batteries). With the switch in this position unit willkeep the room temperature at 23°C at the following conditions:• Fan speed: automatic;• Louvre: automatic.After the controller operation has been restored, reset the switchto the “normal” position.“X”: not used.S Signal receiver from infrared remote controller.* Planned for future availability.The unit is factory-set to operate with theinfrared remote control.To connect the Room Controller (CRC)disconnect the connector of infrared remotecontrol (4 red wires) and substituteit with the Room Controller connector(orange/brown/blue wires).