4.Printed Circuit Board Connector Wiring Diagram
4.1：Indoor unit Connectors
Connectors PCB(1) (Control PCB)
1) CON12 Connector for fan motor
2) CN3 CN4 CN5 Connector for STEP motor
3) CN8 Connector for Pipe sensor and Room temperature sensor
4) CN7 Connector for fan feedback
5) CON21 Connector for power L wire
6) CN17 Connector for communicate and power N wire
7) CN5-1 Connector for display board
8) CON14,CON15 Connector for ions generator
9) CN16 Connector for communication to outdoor
10) CN11 Connector for ON / OFF switch
Note: Other designations
PCB(1) (INdoor Control PCB)
1) SW2 Select 50 or 60
2) LED1 communicate display light
3) ZE1 Varistor
4) FUSE1 Fuse 3.15A/250VAC
PCB Detail PCB(1): Control PCB (indoor unit)
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