14 Removing the housing
20
Filter change
Filter change interval every 3 to 6 months,
depending on the degree of soiling.
1. Remove cover.
2. Take out filter mat and replace it.
3. Remove used TimeStrip.
4. Affix new time strip and push the activation
button [A] all the way.
The red dye in the interior of the
bar [B] is released. The
bar indicator first fills
slightly. Within the
next 6 months, the bar
indicator [B] will rise to the
upper edge (indicator value 6).
5. Place filter mat on intake grille of the upper
housing part and replace cover. The cover
must audibly click into place.
14 Removing the housing
4 Fan insert
36 Locking tabs
37 Locking lever
38 Locking tabs
1. Switch off mains fuse, secure and fit warning
sign.
2. Remove cover and upper part of housing.
3. Press locking lever slightly to the left (→ arrow
I), release and raise the fan insert slightly.
4. Press together locking tabs of stud and raise
fan insert slightly.
5. Press together locking tabs of stud and evenly
pull entire fan insert out of lower part of hous-
ing in parallel (→ arrows I - III).
6. Installation is carried out in reverse order.
15 Fault rectification
Fault finding and repairs only permissible
when carried out by qualified electricians.
DANGER Danger to life from electric
shock.
Prior to accessing the connection terminals,
switch off all supply circuits. Switch off mains
fuse, secure against being accidentally switched
back on and position a visible warning sign.