Low Outdoor Temperature Protection; High Temperature And High Pressure Release Control - Fujitsu General ASHG07KPCE Service Manual

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

8-8. High temperature and high pressure release control

The compressor is controlled as follows.
¢ Models: AOHG07KPCA, AOHG09KPCA, and AOHG12KPCA
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 rotation number of compressor is decreased.
Zone C
Zone D
The protection is released and the operation is returned to normal mode.
Zone E
8-7. Low outdoor temperature protection
Indoor unit heat exchanger
temperature drops
Stable zone
DE
- (04-29) -
Cooling/Dry
-15°C
-10°C
AB: 63°C
BC: 55°C
CD: 53°C
DE: 50°C
Operation
-25 rps/120 sec.
-3 rps/60 sec.
8. Various protections