Functions of FT25/35/50D, FT09/13/15D Models Si01-501
28 Defails of Functions
1.7 Freeze-up Protection Control
When the indoor heat exchanger temperature falls below 3°C in cooling or in dry operation,
the compressor and the outdoor fan are forced to turn OFF.
the indoor fan rotates at the L tap (in cooling operation) or LL tap (in dry operation).
Note that this function is not activated for 6 minutes after compressor turns ON.
When the indoor heat exchanger reaches 13 °C, the compressor and the outdoor fan restart the
operations.
Indoor heat exchanger
temperature
13˚C
3˚C
Stop
Return
(R4833)
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