5
.
E
L
E
C
T
R
I
C
A
L
5
.
E
L
E
C
T
R
I
C
A
L
CONTROL BOARD(AUW-18U4SZ1、AUW-24U4SA1、AUW-36U4SA1)
IPM power
DC+
DC-
DC fan motor
D
A
T
A
D
A
T
A
4-way valve
IPM-SI
High pressure switch
Low pressure switch
Heater N
N OUT
Heater L
Electric expansion valve
Outdoor Sensor
47
AC N IN
Earth
AC L IN
Communication SI
Communication N
AC L OUT
Suction Sensor
Discharge Sensor
coil/defrost Sensor