- (02 - 19) -
O
U
TD
O
O
R U
N
IT
AO
A
72
-9
0L
A
LT
O
U
TD
O
O
R U
N
IT
AO
A
72
-9
0L
A
LT
SAFETY DEVICES
12.
Protection form
Model
AO
A72LALT
AO
A90LALT
Circuit protection
Fuse (Main PCB)
AC400V 15A
AC250V 3.15A
Protector
(
FILTER PCB)
AC500V 25A
Indoor unit protection
Fuse
AC250V 20A
Compressor protection
Thermal protection program
(Compressor temp.)
OFF : 112°C
ON : 80°C
Thermal protection program
(Discharge temp.)
OFF : 115°C
ON : After 7 minutes
.
High pressure protection
Pressure switch
OFF : 4.2MPa
ON : 3.2MPa
Low pressure protection
Pressure sensor
OFF : 0.02MPa
ON : 0.05MPa
Fan motor protection
Thermal protection program
OFF :100
+15
°C
-10
ON : 95
+15
°C
-10
