High Pressure Protection; Low Outdoor Temperature Protection - Fujitsu ABYG54KRTA Service Manual

8-6. High pressure protection

Trigger condition
Release condition

8-7. Low outdoor temperature protection

When the outdoor temperature sensor detects lower than the trigger condition below, the compres-
sor is stopped.
Operation mode
Trigger condition
Release condition
8-6. High pressure protection
Pressure switch: Off (Open: Higher than 4.2 MPa)
Compressor stop
Pressure switch: On (Close: Lower than 3.2 MPa)
(3 minutes after compressor stop)
Compressor restart
- (04-28) -
Cooling/Dry
-20°C
-15°C
8. Various protections