Gree U-Match 6 Series - Page 50

GREE U-Match 6 SERIES UNIT SERVICE MANUAL
47
Model:
GUD100W1/NhA-S,GUD125W1/NhA-S
Drive Board:
No. Printing Interface No. Printing Interface
1 AC-N Neutral wire 2 AC-L Live wire
3 COM Zero Fire Communication Terminal 4 HEAT_TIE_B1 Chassis electric heating
5 HEAT_TIE_C1 Compressor heating 6 4WAY 4-way valve
7 2WAY 2-way valve 8 FA1 Heat electronic expansion valve
9 FA
Refrigeration electronic expansion
valve
10 HPP1
System high pressure protection
interface
11 LPP1
System low pressure protection
interface
12 T_LAC1
Low temperature cooling temperature
sensor
13 T_SENSOR1 Temperature sensor group 14 T_SUCK1
Condenser medium pipe temperature
sensor
15 DRED1 DRED Communication Interface 16 DC-BUS1 Discharge terminal
17 CN2 External drive DC fan 18 W Inverter compressor W phase
19 V Inverter compressor V phase 20 U Inverter compressor U phase
21 PE Ground wire — — —