Carrier 42WHC016 Installation Manual

Contents

42 WHC/WHEGB - 10Electric heatersElectric heaterThere are two, armoured heaters connected together in series.The powers obtained are described in the table.Operation with electric heaters at the same time as with hotwater is only possible if the temperature of the water enteringthe coil is lower than 45°C; to enable the heater + hot waterfunction you must:a) configure the relevant SW1 switch on the printed circuit;b) install the coil maximum temperature protection thermostat(accessory).If the unit is configured for simultaneous heater and hot wateroperation and the coil maximum temperature protection thermostatis not installed, the unit cannot operate in heating mode. heater + hot water switch Only electric heatersFAN MOTORM4CN1GNDPUMP M3 M2 M1 VALVEL N TH HTR V1 V2 RL1L N 1 2 3 4 5 6 7 8M5CN2 H 0 + HTR2ONLY HTRSW1HEATER F1Table VI: Technical data of electric heatersModel 42WHE 016 020 028Electric heater capacity W 2 x 500 2 x 500 2 x 500Supply voltage V 230 ~ 50Hz 230 ~ 50Hz 230 ~ 50HzMax current drawn A 5 5 5Automatically resetsafety thermostat open 60°C ± 3°C; closed 45°C ±3°CManually resetsafety thermostat open 75°C ±5°C