11. Safety devices
Type of protection Protection form
Model
AOU12RLFC
Circuit protection
Current fuse (Near the
terminal)
250 V, 20 A
250 V, 5 A
Current fuse (Main PCB)
250 V, 15 A
250 V, 3.15 A
Fan motor protection
Thermal protection
program
Activate
212±27 °F (100±15 °C)
Fan motor stop
Reset
203±18 °F (95±10 °C)
Fan motor restart
Compressor
protection
Thermal protection
program
(Discharge temp.)
Activate
230 °F (110 °C)
Compressor stop
Reset
After 7 minutes
Compressor restart
Thermal protection
program
(Outdoor temp.)
(Only in COOL
mode)
Activate
5 °F (-15 °C)
Compressor stop
Reset
14 °F (-10 °C)
Compressor restart
Type of protection Protection form
Model
AOU18RGLX AOU24RGLX AOU30RGLX AOU36RGLX
Circuit protection
Current fuse (Filter PCB) 250 V, 5 A × 2
Current fuse (Main PCB) 250 V, 3.15 A × 2
Fan motor protection Thermal protection
Activate
302
+27
-18
°F (150
+15
-10
°C)
Fan motor stop
Reset
248
+27
-18
°F (120
+15
-10
°C)
Fan motor restart
Compressor
protection
Terminal protection
program
(Compressor temp.)
Activate
226 °F (108 °C)
Compressor stop
Reset
176 °F (80 °C)
Compressor restart
Thermal protection
program
(Discharge temp.)
(COOL or DRY
mode)
Activate
230 °F (110 °C)
Compressor stop
Reset
After 7 minutes
Compressor restart
Thermal protection
program
(Outdoor temp.)
Activate —
Reset —
High pressure
protection
Pressure switch
Activate
4.2±0.1 MPa
Compressor stop
Reset
3.2±0.15 MPa
Compressor restart
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11. Safety devices
OUTDOOR UNIT
AOU12-48R
OUTDOOR UNIT
AOU12-48R