Gree HLR8Pd/Na-K Owner's Manual page 29

Mini Chiller
(5) Filter Board (AP3): HLR8Pd/Na-K , HLR1 0 Pd/Na-K
N-OUT1
N-OUT
L -OUT
Silk Screen
AC-N
AC-L
N-OUT
N-OUT1
L-OUT
E1
E2
Neutral line of the power supply for the main unit
Live line of the power supply for the main unit
Neutral line output of the filter board (to the drive board)
Neutral line output of the filter board (to the main board )
Reserved
Live line output of the filter board (to the drive and main boards)
To the grounding line of the main unit
Reserved
AC-N
Introduction
27
eries
AC-L
E1
E2