Control Specification SiBE01-503
24 Functions and Control
3.6 Heating Peak-cut Control
Outline During heating operation, heating peak-cut control is activated according to the temperature of
the indoor heat exchanger to prevent abnormal high pressure.
Detail Conditions for starting
Temperature of the indoor heat exchanger
≥
63°C (FTYN models), 65°C (ATY models)
While controlling
The compressor halts.
The outdoor fan switches ON/OFF according to the temperature of the indoor heat
exchanger.
Conditions for ending
Temperature of the indoor heat exchanger < 42°C
or
Cooling or dry mode starts.
or
The operation stops.
3.7 Liquid Compression Protection Function
In order to obtain the dependability of the compressor, the outdoor fan switches ON/OFF
according to the temperature of the outdoor heat exchanger.
(The temperature differs by models.)
OFF
OFF
ON
ON
42˚C 49˚C 55˚C 63˚C (FTYN models)
65˚C (ATY models)
Outdoor fan
(R4734)
Compressor