The figure below shows the outline of the control system
Symbol Name Symbol Name
MC Motor (for compressor) CT1 Current transformer
MIF Motor (for indoor fan) PSH High pressure switch
MOF1, 2 Motor (for outdoor fan) RVR 4-Way valve
MS Motor (for auto-louver) SVA,B,F Solenoid valve
MV Electronic expansion valve PSC Pressure switch for control
CMC Compressor magnetic contactor EHW Electric heater
CH Crankcase heater MCU Micro Computer
5 Control System
121
SMGB0060 rev. 1- 12/2010
5
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