Air-to-water Heat Pump
43
MONOBLOC
TYPE
Silk Screen Introduction
AC-L Live line input of the main board
N Neutral line of the power supply for the main board
L-OUT Live line output of the lter board (to the drive and main boards)
N-OUT Neutral line output of the lter board (to the drive board)
N-OUT1 Output neutral line
L-OUT1 Output live line
DC-BUS DC-BUS, the other end to the drive board
E Screw hole for grounding
E1 Grounding line, reserved
PWR
L2-1
L1-2
L2-2
N
L1-1
AC-L
DC-BUS
DC-BUS1
COMM
COMP
NO Silk Screen Introduction
1 AC-L L-OUT Live line input of the lter board
2 N N-OUT Neutral line input of the lter 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.
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