Safety Devices - Fujitsu AMUG24LMAS Design & Technical Manual

11. Safety devices

Type of protection
Current fuse (Filter PCB)
Circuit protection
Current fuse (Main PCB)
Fan motor protection Thermal protection
Terminal protection
program
(Compressor temp.)
Thermal protection
Compressor
program
protection
(Discharge temp.)
(COOL or DRY
mode)
Thermal protection
program
(Outdoor temp.)
High pressure
Pressure switch
protection
Type of protection
Fuse (Filter PCB)
Protector (Filter PCB)
Fuse (MAIN PCB)
Fuse (INV PCB)
Fan motor
Thermal protection
protection
Over current protection
Temperature
protection
Compressor
protector
Thermal protection
program
(Discharge temp.)
High pressure protection
Protection form
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
Protection form
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
AOU24RGLX
250 V, 5 A × 2
250 V, 3.15 A × 2
+27
302
-18
Fan motor stop
+27
248
-18
Fan motor restart
226 °F (108 °C)
Compressor stop
176 °F (80 °C)
Compressor restart
230 °F (110 °C)
Compressor stop
After 7 minutes
Compressor restart
4.2±0.1 MPa
Compressor stop
3.2±0.15 MPa
Compressor restart
Model
AOUG36LMAS1
AC 250 V, 5 A
AC 250 V, 10 A × 2
AC 500 V, 45 A
AC 250 V, 3.15 A × 2
AC/DC 400 V, 5 A
239±27 °F (115±15 °C)
Fan motor stop
158 °F (70 °C)
Fan motor restart
226.4 °F (108 °C)
Compressor stop
176 °F (80 °C)
Compressor restart
230 °F (110 °C)
Compressor stop
After 3 minutes
and 230 °F (110 °C) less than
Compressor restart
580 psi (4.0 MPa)
471 psi (3.25 MPa)
- 90 -
Model
AOU30RGLX
+15
°F (150 °C)
-10
+15
°F (120 °C)
-10
—
—
AOUG48LMAS1
—
11. Safety devices