Gree GKH18D3FI, Service Manual

Page: 117 / 191

U-Match Series DC Inverter Service Manual
114

GUHD48ND3FO
(1) Drive Board:
11
1
8
2
3
4
5
6
7
9
10
12 13 14
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