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Every time you push the timer function
button, the unit will be switched to boost
speed for 10/20/30 minutes. After this time,
the set speed returns automatically to the
former speed.
In case the former speed was ‘Boost’ then
the speed returns to low.
3.3. Frost protection
Note!
In case of very low outside temperatures
for more than 24 hours, the fan motor will
automatically switch off for several minutes to
avoid a frozen heat exchanger! It will restart
itself when the temperature has risen.
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