User's guide,
Maximum speed
Installation Mode
Change of filters
/resetting
32
continued
Fan Step 4 operates for four hours. It is especially useful at high room temperatures,
e.g. with many people present in the house .The fan speed automatically resets to the
last selected fan step.
Press Manual
+ Auto
The unit will operate on Fan Step 3 for one hour. Installation Mode overrides all other
modes during that period.
Change of filters and resetting the filter alarm is described in details in the section
"Preventive maintenance", on page 33
for 6 seconds until Fan Step 3 alights.