8-6. High temperature and high pressure release control
The compressor is controlled as follows.
Indoor unit heat exchanger
temperature rises
Indoor unit heat exchanger
temperature drops
Stable zone
AB
BC
CD
DE
Zone A
Zone B
Zone C
Zone D
Zone E
AB: 145.4°F (63°C)
BC: 131.0°F (55°C)
CD: 127.4°F (53°C)
DE: 122.0°F (50°C)
Zone Operation
Zone A Compressor is stopped.
Zone B
The rotation number of compressor is decreased.
-25 rps/120 sec.
Zone C -3 rps/60 sec.
Zone D
The protection is released and the operation is returned to normal mode.
Zone E
8-6. High temperature and high pressure release control - (04-33) - 8. Various protections
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS
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