GREE U-Match 6 SERIES UNIT SERVICE MANUAL
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3.2 PCB Layout
3.2.1 Interface
Indoor unit:
Model:
GUD35P1/A-S,GUD50P1/A-S,GUD35PS1/A-S,GUD50PS1/A-S
No. Printing Interface No. Printing Interface
1 PUMP water pump 2 COM-OUT ODU communication interface
3 X6 Live wire input 4 X5 Neutral wire input
5 E Ground wire 6 CN2 Motor output
7 HEALTH Cold plasma interface 8 HEAT Electric heating interface
9 DOOR-C Door control 10 ROOM
Ambient temperature sensor
interface
11 TUBE
Evaporator pipe
pipetemperature sensor
12 JUMP Jumper cap
13 WIFI WiFi interface 14 COM-BMS MODBUS gateway interface
15 WATER-DTCT Water level switch 16 COM3 Function expansion interface
17 COM-MANUAL
Wired control
communication interface
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