5 Control system
Printed circuit board for RPK-FSN(H)3M units
SMGB0099 rev.0 - 12/2016
193
5
5.8 Printed circuit board for RPK-FSN(H)3M units
5.8.1 For RPK-(0.6-1.5)FSN(H)3M
PCB3
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 Terminal board 1
PCN550 Motor for indoor fan
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Freeze protection thermistor
THM5 Gas piping thermistor
CN2 Terminal board 2
CN3 Not used
CN5A Printed circuit board 3
CN11 Micro-computer control expansion valve
CN17A Motor for automatic swing louver
CN18 Printed circuit board 2
CN19A Printed circuit board 2
CN19B Printed circuit board 2
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5, RSW2 Refrigerant cycle number
DWS6, RSW1 Indoor unit number settings
DSW7 Fuse re-establishing
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