Safety Devices - Fujitsu AUU7RLF Design & Technical Manual

12. Safety devices

Type of protection
Circuit protection
Fan motor protection
Compressor protection
Refrigerant circuit
protection
Pressure switch 2: For control device. (Refer to the wiring diagram.)
*: Only for cooling or dry operation.
Protection form
Current fuse
(Main PCB)
Current fuse
(Near the terminal)
Temperature thermistor
Temperature thermistor
Thermal protection program
(Outdoor temp.)*
Pressure switch 1
- 161 -
AOU18RLXFZH
250 V, 3.15 A
250 V, 10 A
Activate (122 ±9 °C)
Fan motor stop
240
Reset
(116
Fan motor restart
Activate (108 ±2 °C)
Compressor stop
Reset
Compressor restart
Activate Fan rotation number fixed at 200
Reset
609 ±15 PSI
Activate
(4.2 ±0.1 MPa)
464 ±22 PSI
Reset
(3.2 ±0.15 MPa)
Model
250 V, 5 A
251 ±16 °F
+18
°F
-16
+10
°C)
-9
226 ±4 °F
176 ±4 °F
(80 ±2 °C)
-15 °C
rpm
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12. Safety devices