Mainboard - Gree U-Match 5 Series Manual

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