21INSTALLATION & SERVICE MANUAL FOR PROFESSIONALSProduct description: AccessoryenAccessoryThe unit is delivered without any accessories mounted. If further functionality is requestedthe accessories are to be installed prior to initial unit installation or alternatively after commis-sioning.The HCV 400 unit can be equipped with a silencer.The unit can be equipped with an electrical preheating element that preheats the incomingair. The preheater increases the outside air temperature going into the heat exchanger, andthereby reduces the risk of ice in the heat exchanger in very cold conditions.The water heating coil is controlled by the accessory control HAC 2. The water heating coilincreases the outside air temperature going into the heat exchanger, and thereby reduces therisk of ice in the heat exchanger in very cold conditions.A floor stand will raise the unit and make iteasy to access the drain outlet.Adjust the ventilation and keep trackof the home’s humidity and tempera-tures via the large LCD screen in thehand-held remote control. Activatecooling function/bypass (if this isinstalled in the HCV unit), selectmanual ventilation steps or relevantweekly programs or set the controlsto automatic.CO 2RH%°°°°AUTO*****Ikoner for manualThe remote control can communicate with the HCV unit at up to 30 metres distance. Theremote control can be placed on level surfaces or hang on the wall.IntroductionSilencer(for HCV 400 only)Electric preheatingWater heating coilFloor stand(for HCV 400 only)Hand-held remotecontrol (HRC 3)