Gree HLR8Pd/Na-K Owner's Manual page 27

Mini Chiller
(3) Drive Board (AP4):HLR8Pd/Na-K, HLR10Pd/Na-K
U
V
W
L2-2
Silk Screen
AC-L
N
L1-1
L1-2
L2-1
L2-2
U
V
W
DC-BUS1
P-OUT
G-OUT
COMM
COMM1
PWR
G-OUT
L1-1 AC-L
N
Live line input of the drive board
Neutral line input of the drive board
To PFC inductor brown line
To PFC inductor white line
To PFC inductor white line
To PFC inductor blue line
To compressor phase U
To compressor phase V
To compressor phase W
Pin for electric discharge of the high-voltage bar during test.
Reserved
Reserved
Communication interface[1-3.3V,2-TX,3-RX,4-GND]
Power input of the drive board [1-GND,2-18V,3-15V]
L1- 2
P-OU T L2-1 DC-BUS 1
Introduction
25
COMM
COMM1
eries
PWR