14
AMS-SVX03A-EN
Electrical wiring diagram
63624329
M1
CN5
CN6
CN4
TC
I II
II
I
AP1 PCB
CN8
CN3
M2
X2
PE
L
N
X1
CN18
CN19
CN20
CN17
RT3
RT2
RT4
2
3
RT1
4
1
EXV
CN12
0
0
0
0
CN2
CN9
PE
15k
20k
20k
20k
CN1
AP4
CN2 AC-L N
A B
G
CN15
AP3
CN1
8
A B
G
Note: Communication wires
are assigned by users. It is
recommended to use shield
twisted pair and pay attention
to the polarity. Port A and B
of two indoor units or indoor
unit and outdoor unit can not
be reversed. Connect shield
ground wire to port G of DIP
board.
The DIP board can connect
multiple communication
wires of indoor units.
Connect to other indoor
or outdoor units
DIP board
Display board
Power supply
Evaporator
Fan motor
Step motor
Power transformer
Outlet pipe
temperature
sensing bulb
Middle pipe
temperature
sensing bulb
Inlet pipe
temperature
sensing bulb
Ambient
temperature
sensing bulb
Electronic
expansion
valve
Brown
Blue
Yellow/green
Communication
wires
