Panasonic CS-F24DTE5 Service Manual

9.3.4. Freezing prevention control
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During cool or dry mode operation, if indoor evaporator temperature is going down, freezing prevention control is operated.
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Detail of Freezing prevention control is as follows;
Indoor evaporator temperature area is divided into 5 zones, which consist of stop zone, down zone, no change zone, up zone,
and recovery zone. When indoor evaporator temperature is going into each zone, compressor frequency change by following
the below table.
Recovery zone Release freezing prevention operation
Up zone Fan motor speed step up
No change zone Operation no change
Down zone Reduce the compressor frequency
(check for 3 min, max 3 times)
Stop zone If continue for 6 min, compressor stop
(for 3 min after stop, compressor can be started due to restart delay control)
9.3.5. Dew form prevention control
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During cool or dry operation, if outdoor temperature is less than 30°C, and indoor fan speed is low or auto setting, indoor heat
exchanger temperature become lower, dew form prevention control start to prevention dew form at indoor discharge grill.
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Indoor evaporator temperature area is divided into 4 zones, which consist of, down zone, no change zone, up zone, and
recovery zone.
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When indoor evaporator temperature is going into each zone, change compressor frequency and louver angle by following the
below table.
Recovery zone Release dew form prevention operation
Up zone Fix the indoor louver angle
Cassette type : fix the manual 3rd position
Ceiling type : fix the manual 2nd position
No change zone Continue check the indoor heat excahnger temperature
Down zone Reduce the compressor frequency
(check for 3 min, max 3 times)
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CS-F24DB4E5 CU-L24DBE5 / CS-F28DB4E5 CU-L28DBE5

Panasonic CS-F24DTE5 Specifications

General

Brand	Panasonic
Model	CS-F24DTE5
Category	Air Conditioner
Language	English