Gree GUHD18ND3FO - Page 117

U-Match Series DC Inverter Service Manual
114
 GUHD48ND3FO
(1) Drive Board:
11
1
8
2
3
4
5
6
7
9
10
121314
No.
Printing
Interface
No.
Printing
Interface
1
AC-L
Live wire input (red)
2
L1-1
PFC induction wire (brown)
3
N
Neutral wire input (white)
4
L2-2
PFC induction wire (blue)
5
L2-1
PFC induction wire (yellow)
6
L1-2
PFC induction wire (white)
7
PWR
Control power input
8
JTAG1
(Reserved)
9
COMM
Communication interface
10
DC-BUS1
DC bus electric discharging needle
stand (for testing)
11
DC-BUS
DC bus interface (connect to
filtering board)
12
U
Compressor Phase U
13
V
Compressor Phase V
14
W
Compressor Phase W