5. Control System
123
SMGB0079 rev.0 - 01/2013
5
5.2.4 RAS-(4-6)H(V)NCE
Connector indication
PCN1 Fuse
PCN5 Crankcase heater of compressor (oil)
PCN6 4-way solenoid valve
PCN7 Solenoid valve
PCN8 High pressure switch protection
PCN9 Compressor contactor
PCN10 Low pressure switch protection
PCN13 Pressure switch control
PCN406 Power connection between PCB and DIP-IPM
THM7 Outdoor air temperature thermistor
THM8 Pipe evaporation temperature thermistor
THM9 Compressor discharge temperature thermistor
THM10 Compressor suction temperature thermistor
CN5A Micro electronic expansion valve
CN6 Transmission between PCB and DIP-IPM
CN8 Transmission from outdoor to indoor unit
CN404 Line connection between PCB and DIP-IPM
CN406 Motor for fan
EF1,2,3
EFR1
Power protection
Switch indication
DSW1 Test run
DSW2 Auxiliary function setting
DSW3 Capacity code
DSW4/
RSW1
Refrigerant cycle number
DSW5 Switch
DSW6 Switch
LED indication
LED1 Red Power source for the PCB
LED2 Green
This LED indicates the transmission status bet-
ween the indoor unit and the RCS
LED3 Yellow
This LED indicates the transmission status bet-
ween the indoor unit and the outdoor unit
LED4 Red Power source at 280V for the PCB
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