Daikin FFQ60B7V1B - Freeze Prevention Function

Functional concept ESIE05-04
2–14 Part 2 – Functional Description
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1.10 Freeze Prevention Function
Purpose In order to avoid formation of ice on the indoor unit heat exchanger in cooling and dry mode, the
system automatically starts up a freeze prevention cycle when a number of specific conditions are
fulfilled.
Freeze Prevention
start conditions
Freeze prevention start decided by the indoor unit (factory setting):
Freeze Prevention
stop conditions
Freeze prevention stop decided by the indoor unit (factory setting):
Q Indoor coil temperature > 7°C for 10 minutes continuous
Parameters
Q Indoor coil temperature ≤ -1°C for 40 minutes accumulated
Q Indoor coil temperature < A°C for 1 minute continuous
Q Compressor is running for minimum 8 minutes since
operation start or end of previous freeze up cycle.
OR
&
FAQ FHQ All except FAQ & FHQ
A -1°C -3°C -5°C