Gree GUHD09NK3FO Service Manual page 101

U-Match Series DC
Inverter Service Manual
2). Filtering Board
1
2
3
No. Printing
1 N-OUT1
3
L-OUT
5 E2
7 AC-N
(4). GUHD48NK3FO
1). Drive Board:
1
2
3
4
5
6
7
No. Printing
1 AC-L
3 N
5 L2-1
7 PWR
9 COMM
11 DC-BUS
13 V
98
Interface
Neutral wire output 1
(white) (only for 18K)
Live wire output (red)
(Reserved)
Neutral wire input (white)
8
Interface
Live wire input (red)
Neutral wire input (white)
PFC induction wire (yellow)
Control power input
Communication interface
DC bus interface (connect
Compressor Phase V
No. Printing
2 N-OUT
4 E1
6 AC-L
14 13 12
9
No. Printing
2 L1-1
4 L2-2
6 L1-2
8 JTAG1
10 DC-BUS1
12 U
14 W
7
6
5
4
Interface
Neutral wire output (white)
Grounding wire
Live wire input (red)
11
10
Interface
PFC induction wire (brown)
PFC induction wire (blue)
PFC induction wire (white)
(Reserved)
DC bus electric discharging
needle stand (for testing)
Compressor Phase U
Compressor Phase W