Fujitsu ARXG54KHTA - High Temperature and High Pressure Release Control

7-7. High temperature and high pressure release control
The compressor is controlled as follows.
¢ Models: AOYG45KRTA and AOYG54KRTA
• Cooling mode
Indoor unit heat exchanger
temperature rises
Indoor unit heat exchanger
temperature drops
Stable zone
AB
BC
CD
Zone A
Zone B
Zone C
Zone D
AB: 64°C
BC: 60°C
CD: 58°C
Zone Operation
Zone A Compressor is stopped.
Zone B The compressor frequency is decreased. -7 rps/120 sec.
Zone C
The protection is released and the operation is returned to normal mode.
Zone D
7-7. High temperature and high pressure release control - (04-25) - 7. Various protections
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS