Fujitsu GENERAL ARHG72LHTA - Safety Devices

11. Safety devices
Type of
protection
Protection form
Model
AOHG72LRLA AOHG90LRLA
Circuit protection
Current protector (Filter PCB) 500 V, 45 A × 3
Current fuse (Main PCB) 250 V, 10 A
Current fuse (Terminal) 250 V, 20 A
Fan motor
protection
Thermal protection program
Activate
115±15 °C
Fan motor stop
Reset
70 °C
Fan motor restart
Compressor
protection
Terminal protection program
(Compressor temp.)
Activate
130 °C
Compressor stop
Reset
80 °C
Compressor restart
Thermal protection program
(Discharge temp.)
Activate
115 °C
Compressor stop
Reset
After 7 minutes
Compressor restart
High pressure
protection
Pressure switch
Activate
4.2
+0
-0.15
MPa
Compressor stop
Reset
3.2±0.15 MPa
Compressor restart
Pressure sensor
Activate
4.1 MPa
Compressor stop
Reset
After 3 minutes
Compressor restart
Low pressure
protection
Pressure sensor Cooling
Activate
0.12 MPa or less (for 5 minutes)
Compressor stop
Reset
0.15 MPa
Compressor restart
DESIGN & TECHNICAL MANUAL
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OUTDOOR UNIT AOHG72-90LRLA