Freeze-Up Protection Control - Daikin FT25CV1A Service Manual

Functions of Cooling Only Models
1.3

Freeze-up Protection Control

When the indoor heat exchanger temperature falls below 3°C in cooling or 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. However, because the compressor recycling guard timer (3-minute timer) takes
priority, the compressor and the outdoor fan do not restart the operation during this timer is ON.
Indoor heat exchanger temperature (˚C)
Compressor and outdoor fan
24
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).
B
A
6 minutes
ON
OFF
Si01-406
(R1883)
Functions and Control