Air-to-water Heat Pump Split Versati
39
SPLIT TYPE
PWR
Input port of the switching power
COMM
UART communication interface
DC-BUS
Discharge terminals
(3) GRS-CQ12Pd/NhH-E, GRS-CQ14Pd/NhH-E, GRS-CQ16Pd/NhH-E
PWR
L2-1
L1-2
L2-2
N
L1-1
AC-L
DC
-B
US
DC
-B
US
1
COMM
COMP
NO
Silk Screen
Introduction
1
AC-L
L-OUT Live line input of the filter board
2
N
N-OUT Neutral line input of the filter board
3
L1-1
To PFC inductor brown line
4
L1-2
To PFC inductor white line
5
L2-1
To PFC inductor yellow line
6
L2-2
To PFC inductor blue line
7
COMP
Wiring board (3-pin)(DT-66BO1W-03)(variable-frequency)
8
COMM
Communication interface[1-3.3V,2-TX,3-RX,4-GND]
9
DC-BUS
DC-BUS Pin for electric discharge of the high-voltage bar during
test
10
PWR
Power input of the drive board [1-GND,2-18V,3-15V]
11
DC-BUS1
Pin for electric discharge of the high-voltage bar during test
