GREE U-Match 5 SERIES UNIT SERVICE MANUAL
31
Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T,
GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X:
Mainboard
Chassis electric heating belt
Compressor electric heating belt
Electronic expansion valve
interface
Electronic expansion valve 1
interface
Refrigerant heat dissipation
DRED communication
interface
Drive communication interface
Compressor overload
protection interface
System low pressure protection
interface
System high pressure
protection interface
2. Outdoor tube temperature
sensor interface
4. Outdoor ambient temperature
sensor interface
6. Discharge temperature sensor
interface
Low temperature cooling
temperature sensing
Unit communication interface
GPRS communication
interface
310V DC power supply
interface