GREE         U-Match 5 SERIES UNIT SERVICE MANUAL 
39 
Model: 
GUD71T/A-T, GUD85T/A-T, GUD100T/A-T, GUD125T/A-T, GUD140T/A-T, GUD160T/A-T: 
 
No.  Printing  Interface    No.  Printing  Interface   
1  AC-L  Live wire input  2  AC-N  Neutral wire input 
3  DC_MOTOR  DC motor output  4  SS  Limit switch sensing interface 
5  UD_SWING2  Vertical swing output 2  6  UD_SWING1  Vertical swing output 1 
7  DOOR_C  Access control interface  8  COM_BMS  MODBUS gateway interface 
9  COM1
,
COM2 
Accessories communication 
interface 
10  COM_MANUAL 
Wired controller 
communication interface 
11  COM_OUT  ODU communication interface  12  TUBE 
Indoor tube temperature 
sensor interface 
13  ROOM 
Ambient temperature sensor 
interface 
14  DISP2  Light board interface 2 
15  DISP3  Light board interface 3  16 
SWING_OUT1 
SWING_OUT2 
Air outlet lifting output 1 
Air outlet lifting output 2 
17  PUMP  DC water pump interface  18  HEAT  Electric heating interface 
19  WATER_DTCT  Water level switch  20  CN7  Air return lifting output