Shivaki SSH-PM074DC - Page 28

5
5
.
.
E
E
L
L
E
E
C
C
T
T
R
R
I
I
C
C
A
A
L
L
D
D
A
A
T
T
A
A
37
CONTROL BOARD（AMW2-16U4SGC1 AMW2-20U4SNC1）
Communication N
TO Indoor unit B
TO Indoor unit A
Overload
Protection
Gas B Sensor
Liquid A/B &
Gas A Sensor
Outdoor/Suction/
Condensor Sensor
Compressor
Discharge Sensor
A VALVE DRVING
B VALVE
DRVING
DC-
DC+
To IPM Board
(Power)
To IPM Board
(Communication)
4-Way Valve
AC Fan Motor
AC N OUT
AC L OUT
Earth Wire
AC N IN
AC L IN