Gree GUD71W/NhA-T - Page 46

GREE U-Match 5 SERIES UNIT SERVICE MANUAL
43
Model:
GUD35W/NhA-T, GUD50W/NhA-T
Mainboard:
No. Printing Interface No. Printing Interface
1 X3 Ground wire 2 X1 Neutral wire
3 X2 Live wire 4 COM7 IDU communication interface
5 HEAT_B Chassis electric heating 6 2WAY 2-way valve
7 4WAY 4-way valve 8 OFAN External drive DC fan
9 LPP
System low pressure
protection interface
10 FA Solenoid expansion valve
11 T_SENSOR Temperature sensor group 12 OVC_COMP
Compressor overload
detection
13 T_LAC
Low temperature cooling
temperature sensor
14 HPP
System high pressure
protection interface
15 JTAG Programming 16 X6 Inverter compressor W phase
17 X5 Inverter compressor V phase 18 X4 Inverter compressor U phase