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
65
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3
65
（
AUW-18U4SZ1
，
AUW-24U4SA1
、
AUW-36U4SA1
）
AC N IN
AC L IN
AC L OUT
Communication SI
Communication N
Discharge Sensor
Suction Sensor
coil/defrost Sensor
Outdoor Sensor
High pressure switch
Low pressure switch
DC+
DC-
4-way valve
AC Fan
Heater N
Earth
By Pass valve
N OUT
Heater L
Electric expansion valve
IPM power
IPM-SI
