94 Changing the filter, cleaning
CHANGING THE FILTER, CLEANING
The fi lter prevents dust, insects and airborne particles
from entering the device. Over time such substances
would cause heavy soiling of the ducts inside the device
and the blower parts. As a result, the device would no
longer satisfy the hygiene requirements. In extreme
cases, unpleasant odors might result after a while. To
ensure that the fi lter remains permeable to air, it needs
to be cleaned or replaced at certain intervals.
The standard fi lter is only designed to offer a certain
level of protection from bacteria and allergens. Here,
we recommend using the optional fi ltersystempoint 2,
an attachable fi lter cassette with replaceable fi lter lay-
ers. The large fi lter area means that a much denser fi l-
ter material can be used here without there being any
signifi cant pressure loss.
When the fi lter is soiled or the display reads
, the fi lter must be either replaced or rinsed out.
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