39
Schematic Figure Of The Main Terminal Blocks Of Main Control Board
CAUTION
All weak point connection points meet SELV, such as X1, X2, P, Q, E, M1, M2, CN18, CN55 etc.
Wiring
1
Open the indoor unit's electric control box cover.
Remove the front screws of the electrical control box cover and remove the cover.
2
Connect the strong current wires (power supply cable, alarm signal output wires, and strong
current sterilization wires) and weak current wires (communication wiring, switch module
wiring, remote switch commucation wiring) to the electric control box through the strong and
weak current inlets of electric control box.
Cable clamp for
commucation wiring
and switch module
wiring
(
Weak current
side)
Cable clamp for power supply
cable and earth wires
（
High-current side
）
Short-circuit terminal
(standard)/water
level switch
(optional)
Display box
Electronic
expansion valve
T2A
Water pump
T2 T2B
CN1
L N
CN22
N
3 2 1
CN18
Switch module
CN55
Terminals of remote
switch signal
Terminals of
alarm signal
output
Terminals of
strong current
sterilization
module
CN6
M1 M2 X1 X2 P Q E
CN2
CN10
D1(X) D2(Y)
T1
Power supply cable and
earth line terminals
Communication terminals
electrical control box cover
Screw (three)
