High Temperature And High Pressure Release Control (Heating Mode) - Fujitsu AO G22KBTB Series Service Manual
Split type room air conditioner
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Also See for AO G22KBTB Series:
- Service instruction (43 pages) ,
- Service instructions manual (79 pages) ,
- Service instruction (43 pages)
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7-6. High temperature and high pressure release control
(heating mode)
In heating mode, the compressor is controlled as follows.
¢ Model: AOYG22KBTB
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
7-6. High temperature and high pressure release control (heating mode)
Indoor unit heat exchanger
temperature drops
Stable zone
DE
- (01-27) -
AB:
61°C
BC:
55°C
CD:
53°C
DE:
50°C
Operation
-25 rps/120 sec.
-3 rps/60 sec.
7. Various protections
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