Blueair Blue Pure 411+ Manual De Usuario página 13

Vacuum or wash the pre-filter
Occasionally vacuum the exterior of the fabric pre-filter to remove any dust that has collected.
Always unplug the unit before removing the fabric pre-filter.
1
Remove the pre-
filter from the unit´s
metal frame.
Changing the main filter
1
When the indicator
lights turn red
(after 6 months
of operation) it is
recommended to
change the main
filter.
2
Wash the pre-filter
in the washing
machine, according
to instructions on the
pre-filter´s label.
2
Turn off the unit and
unplug it.
3
Refit the pre-filter
back onto the unit´s
metal frame by guiding
the elastic edge into
the slot between the
top cylinder and the
metal frame.
3
Remove the pre-
filter from the unit´s
metal frame.
FILTERS
4
Attach the bottom
edge of the pre-filter
onto the edge of the
bottom lid.
4
Carefully place the unit
upside down on a flat
surface and open the
bottom lid by rotating
counter-clockwise
whilst holding the unit.
13