GREE U-Match 6 SERIES UNIT SERVICE MANUAL
49
Model:
GUD140W1/NhA-S
Drive Board:
No.
Printing Interface No.
Printing Interface
1 N Neutral wire 2 AC-L Live wire
3 2WAY 2-way valve 4 4WAY 4-way valve
5 HEAT_C Compressor chassis electric heating 6 HEAT_B Chassis electric heating
7 CN5 Relay control terminal 8 COM Zero Fire Communication Terminal
9 JTAG1 EE input interface 10 JTAG Burning port
11 CN4 485 communication interface 12 CN1 24V control interface
13 EP
Zero Fire Communication Monitoring Circuit
Interface
14 CN3 Pressure Sensor
15 LPP System low pressure protection interface 16 HPP
System high pressure protection
interface
17 EKV2 Heat electronic expansion valve 18 EKV1
Refrigeration electronic expansion
valve
19 EKV3 Injunctone electronic expansion valve 20 DRED Dred Communication Interface
21 T_LAC Temporary temperature package interface 22 T_SENSOR2
Passser In / Exercise Temperature
Pack
23 T_SENSOR1
Outer tube outer ring exhaust warm
package interface
24 JUMP1 Master jumper cap
25 JUMP2 Drive jumper cap 26 TEST Fast test port
27 DC_OUT Discharge terminal 28 OFAN Fan interface
29 W Inverter compressor W phase 30 V Inverter compressor V phase
31 U Inverter compressor U phase —
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