Gree U-Match 5 Series - Mainboard

GREE U-Match 5 SERIES UNIT SERVICE MANUAL
45
Model:
GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T,
GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X:
Mainboard:
No. Printing Interface No. Printing Interface
1 AC-L Live wire input 2 AC-N Neutral wire input
3 HEAT_TIE_B Chassis electric heating belt 4 HEAT_TIE_C Compressor electric heating belt
5 4WAY 4-way valve 6 2WAY 2-way valve
7 FA Electronic expansion valve interface 8 FA1
Electronic expansion valve 1 interface
Refrigerant heat dissipation
9 DRED DRED communication interface 10 COMM1 Drive communication interface
11 OVC_COMP
Compressor overload protection
interface
12 LPP System low pressure protection interface
13 HPP
System high pressure protection
interface
14 T_SENSOR2
2. Outdoor tube temperature sensor interface
4. Outdoor ambient temperature sensor
interface
6. Discharge temperature sensor interface
15 T_LAC
Low temperature cooling
temperature sensing
16 COM7 Unit communication interface
17 CN6 GPRS communication interface 18
DC_MOTOR1
DC_MOTOR2
DC motor output
19 PWR1 310V DC power supply interface 20 PE Ground wire interface