5 Control system
196
SMGB0077 rev.0 - 01/2013
LED indicator
LED1 Red
This LED indicates the transmission status between the indoor unit
and the remote control.
LED3 Yellow
This LED indicates the transmission status between the indoor unit
and the outdoor unit.
LED4 Green PCB power supply
Connector indication
PCN500 TB1
PCN550 Motor for indoor fan
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Freeze protection thermistor
THM4 Not used
THM5 Gas piping thermistor
CN2 TB2
CN3 Not used
CN5A Not used
CN5B PCB3
CN7 Not used
CN8 Not used
CN10 PCB4
CN11 Micro-computer control expansion valve
CN14 Not used
CN17A Motor for automatic swing louver
CN17B Motor for automatic swing louver
CN18 PCB2
CN19A PCB2
CN19B PCB2
HA Not used
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5, RSW2 Refrigerant cycle number
DWS6, RSW1 Indoor unit number settings
DSW7 Fuse re-establishing
DSW9 Not used
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