35
Air-to-water Heat Pump
COM_ESPE1
1-pin:+3.3V, 2-pin:TXD, 3-pin:RXD, 4-pin:ground
COM_ESPE2
1-pin:+3.3V, 2-pin:TXD, 3-pin:RXD, 4-pin:ground
CN5
1-pin: ground, 2-pin:+18V, 3-pin:+15V
E E1
N-OUT
N
L-OUT
DC-BUS
AC-L
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 filter board (to the drive and main boards)
N-OUT
Neutral line output of the filter 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
SPLIT TYPE
