40 Fan Coil FC600 Instruction Manual4.3 Wiring optionsFC600LS2 S1*FUSEFANAC 230V4-PIPEV1 - HEATING, V2 - COOLING2-PIPEV1 - HEATING/COOLINGNV2IIIII IF3 F2 F1 V2S2 S1COMV1 N LV1V1T1T2FC600LS2 S1*FUSEFANAC 230V4-PIPEV1 - HEATING, V2 - COOLING2-PIPEV1 - HEATING/COOLINGNV2IIIII IF3 F2 F1 V2S2 S1COMV1 N LV1V1T1T2Fan Coil thermostatModel: FC600- 3-gear speed fan- Fuse- Zone valve- External switch (ON/OFF) - heat/cool changeover- External switch (ON/OFF)e.g. an occupancy sensor, launching eco mode- Air temperature sensor or external room temp. sensor(active T2 sensor disable temperature measurement in thermostat)- Pipe temperature sensor - allows fan to work*(only in 2-pipe system)Wiring OptionTerminalName FunctionL,N 230V AC power supplyV1 4 pipe: Heating valve output - 230V AC2 pipe: Heating or Cooling valve output - 230V ACV2 4 pipe: Cooling valve output - 230V AC2 pipe: N/AF1 Fan Speed control (Low level) - 230V ACF2 Fan Speed control (Medium level) - 230V ACF3 Fan Speed control (High level) - 230V ACS1 Heat/Cool changeover(or pipe sensor - only in 2-pipe system)*S2 Occupancy sensor or external sensorCOM Common TerminalTerminals description Icon descriptionS1S2*T1T2