Printed Circuit Board Connector Wiring Diagram Si18-525B
60 Printed Circuit Board Connector Wiring Diagram
1. Printed Circuit Board Connector Wiring Diagram
1.1 Outdoor Unit
1.1.1 Control PCB (A1P)
Connectors 1) X1A Connector to Filter PCB (A3P)
2) X2A Connector for SVP (Hot Gas Bypass Valve)
3) X3A Connector for SVG (Receiver Gas Discharging Valve)
4) X5A Connector for 4 Way Valve
5) X6A Connector for Crankcase Heater
6) X25A Connector for Inverter PCB (A2P)
7) X26A Connector for Electronic Expansion Valve (Main)
8) X28A Connector for Electronic Expansion Valve (Sub Cool)
9) X34A Connector for Discharge Pipe Thermistor
10) X37A Connector for Thermistors
(Suction Pipe, Heat Exchanger and SC Heat Exchanger Gas Pipe)
11) X44A Connector for Outdoor Air Thermistor
12) X45A Connector for High Pressure Sensor
13) X46A Connector for Low Pressure Sensor
Note: Other Designation
1) HAP Service Monitor LED
2) H1P to H7P Service Monitor LED
3) BS1 to BS5 Push Button Switch (for Mode Select, Field Setting and Test Operation)
4) DS1 Dip Switch for Cool / Heat Selector
5) X1M Terminal for Cool / Heat Selector and Transmission to BP unit
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