Fujitsu AUXG36KRLB Service Manual page 156

8-8. High temperature and high pressure release control
The compressor is controlled as follows.
¢ Models: AOYG36KQTA, AOYG45KQTA, and AOYG54KQTA
Indoor unit heat exchanger
temperature rises
Zone A
AB
Zone B
BC
Zone C
CD
Zone D
Zone E
Zone
Zone A Compressor is stopped.
Zone B
The compressor frequency is decreased.
Zone C
Zone D
The protection is released and the operation is returned to normal mode.
Zone E
8-8. High temperature and high pressure release control
Indoor unit heat exchanger
temperature drops
Stable zone
DE
- (04-36) -
AB: 63°C
BC: 55°C
CD: 53°C
DE: 50°C
Operation
-15 rps/120 sec.
-2 rps/120 sec.
8. Various protections