Carrier 42WHC016 Installation Manual

Contents

GB - 942 WHC/WHEE N G L I S HElectrical connectionsTable V: Printed circuit for unit with electric heaterConnection Reference Connection Connection Number of Installersequence figure device poles connection1 M1 Water valve Screw terminal block 2 X2 M5 Wall control with Screw terminal block 8 Xroom thermostat3 M3 Condensate drain pump Screw terminal block 3 X4 GND Ground Ground 2 male faston connectors X5 CN2 Electric heater Polarised connector 3 X6 M2 High water temperature Screw terminal block 2 X(accessory) protection thermostat7 CN1 Fan motor Polarised connector 6 X8 M4 Power supply Screw terminal block 3 X=== RL1 Electric heater auxiliary relay Connections only ===on printed circuit=== SW1 Electric heater only / Connections only ===heater + hot water switch on printed circuitMod. 42WHE connectionsFAN MOTORM4CN1GNDPUMP M3 M2 M1 VALVEL N TH HTR V1 V2 RL1L N 1 2 3 4 5 6 7 8M5CN2 H 0 + HTR2ONLY HTRSW1230V ~ 50/60HzHEATER F1 To unit motor To the electric heaters Ground Condensate drain pump Max. water temperaturethermostat Valve Operation mode selector FuseTo controlGNDFAN MOTORM4CN1L N HT C CL V1 V2 RL1L N 1 2 3 4 5 6 7M5CDPCN2M3 PUMP M2 C/OVER M1 VALVE109060F1To controlPower supply