Air-to-water Heat Pump Split Versati
45
SPLIT TYPE
(3) Drive Board (AP4): GRS-CQ8.0Pd/NaE-K(O),GRS-CQ10Pd/NaE-K(O)
G-OUT
P-OUT
DC-BUS1
L2-1
L1-2
PWR
COMM
COMM1
AC-L
L1-1
N
L2-2
Silk Screen
Introduction
AC-L
Live line input of the drive board
N
Neutral line input of the drive board
L1-1
To PFC inductor brown line
L1-2
To PFC inductor white line
L2-1
To PFC inductor white line
L2-2
To PFC inductor blue line
U
To compressor phase U
V
To compressor phase V
W
To compressor phase W
DC-BUS1
Pin for electric discharge of the high-voltage bar during test.
P-OUT
Reserved
G-OUT
Reserved
COMM
Communication interface[1-3.3V,2-TX,3-RX,4-GND]
COMM1
Communication interface[1-3.3V,2-TX,3-RX,4-GND]
PWR
Power input of the drive board [1-GND,2-18V,3-15V]