20
3.1 Ventilation using manual operation
You can set the ventilation rate of your Sonair manually using the two operating
buttons at the top of the unit. By pushing the right button you can increase the
fan speed. By pushing the left button you can decrease the fan speed and stop
the motor. The ventilation rate is variable. The ventilation rates for one and two
persons are marked on the display.
The ventilation rate depends on the filter type and the diameter of the duct.
The markings are based on the standard version of the Sonair, which has a
G3 filter and a duct with an inner diameter of 100 mm. The table below shows
how many cubic metres of air per hour are supplied for each type of filter and
diameter of the duct at every position of the indicator bar.
3 USING YOUR SONAIR
= ventilation rate for 1 person
= ventilation rate for 2 persons
= maximum ventilation rate
MAX
NL
EN
DE
MAX
3.2 Replacing the filter
We recommend that you replace the filter in your Sonair every 6 to 9 months
or when the filter indicator appears. More information about the types of filter
can be found on page 23. The old filter can be disposed of with the household
rubbish.
Remove the power cable from the power socket before replacing the filter.
Diameter duct:
100 mm
907560453026G3-Filter
615038281715F6-Filter
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