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Operating Instructions
Appliance description
Lighting
Operating modes
Exhaust-air mode:
❑ The extractor-hood fan extracts the
kitchen vapours and conveys them
through the grease filter into the
atmosphere.
❑ The grease filter absorbs the solid
particles in the kitchen vapours.
❑ The kitchen is kept almost free of grease
and odours.
☞
When the extractor hood is operated in
exhaust-air mode simultaneously with a
different burner which also makes use of the
same chimney (such as gas, oil or coal-fired
heaters, continuous-flow heaters, hot-water
boilers) care must be taken to ensure that
there is an adequate supply of fresh air
which will be needed by the burner for
combustion.
Safe operation is possible provided that the
underpressure in the room where the burner
is installed does not exceed 4 Pa (0.04
mbar).
Filter grille
Light / fan
switches
Operating modes
This can be achieved if combustion air can
flow through non-lockable openings, e.g.
indoors, windows and via the air intake/
exhaust-air wall box or by other technical
measures, such as reciprocal interlocking,
etc.
If the air intake is inadequate, there is a
risk of poisoning from combustion gases
which are drawn back into the room.
An air-intake/exhaust-air wall box by itself is
no guarantee that the limiting value will not
be exceeded.
Note: When assessing the overall
requirement, the combined ventilation
system for the entire household must be
taken into consideration.
This rule does not apply to the use of
cooking appliances, such as hobs and
ovens.
Unrestricted operation is possible if the
extractor hood is used in recirculating mode–
with activated carbon filter.
Circulating-air mode:
❑ An activated carbon filter must be fitted
for this operating mode (see Filters and
maintenance).
The complete installation set and
replacement filters can be obtained from
specialist outlets.
❑ The extractor-hood fan extracts the
kitchen vapours which are purified in the
grease filter and activated carbon filter
and then conveyed back into the kitchen.
❑ The grease filter absorbs the grease
particles in the kitchen vapours.
❑ The activated carbon filter binds the
odorous substances.
If no activated carbon filter is
installed, it is not possible to bind the
odorous substances in the cooking
vapours.
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