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
66
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3
66
IPM Board
IPM Board
（
AUW-18U4SG
）
To Compressor U
To Compressor V
To Compressor W
To Electrolytic
Cap
To Electrolytic
Cap
To Main Control
Board
IPM Power
To Electrolytic
Capacitor -
To PFC Inductor-2
To PFC Inductor-1
AC N IN
AC L IN
(AUW-24U4SZ / AUW-36U4SA)
To Main Control
Board
To Compressor U
To Compressor V
To Compressor W
IPM Power
To Electrolytic
Capacitor -
To Electrolytic
Cap
To Electrolytic
Cap
To PFC
Inductor-2
To PFC
Inductor-1
ac N in
ac L in
（
AUW-18U4SZ1
、
AUW-24U4SA1
、
AUW-36U4SA1
）
