5 Control system
187
5
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 Red PCB power supply
Connector indication
PCN1 220-240V transformer
PCN4 Not used
PCN5 Not used
PCN6 Motor for drain discharge mechanism
PCN7 Printed circuit board 2
PCN201 Terminal board 1
PCN202 Printed circuit board 1
PCN203 Motor for indoor fan
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Freeze protection thermistor
THM4 Not used
THM5 Gas piping thermistor
CN1 24V transformer
CN2 Terminal board 2
CN3 Not used
CN4 Not used
CN7 Not used
CN8 Not used
CN11 Micro-computer control expansion valve
CN14 Float switch
CN17 Air panel
CN19 Printed circuit board 2
CN25 Not used
CN201 Motor for indoor fan
CN202 Printed circuit board 1
EFR1 PCB2 fuse
EFS1 PCB2 fuse
EF1 PCB1 fuse
EF2 Not used
TP Not used
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
DSW8 Not used
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