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Requirements for the exhaust air operation of the cooker hood
For exhaust air operation of the extractor fan,
make sure that the following conditions are met.
If this is not the case, use the extractor in recirculation mode!
• For exhaust air operation, it must be ensured that sufficient fresh air
flows into the room at all times so that no negative pressure
of more than 4 Pa (4 x 10-5 bar) can occur!
WARNING!
Danger to life!
If the extractor fan and room air-dependent fireplaces
or appliances are operated at the same time,
insufficient supply air may cause a negative pressure,
drawing smoke and toxic combustion gases back
into the living spaces!
In this case there is a danger to life!
Ensure sufficient fresh air supply!
This can be achieved e.g. by non-closable openings in doors,
windows, in connection with a supply air / exhaust air wall box
or by other technical measures.
A supply/exhaust air wall box alone does not guarantee
compliance with the limit value!
Ask your chimney sweep to advise you on the ventilation system
for the house and the appropriate ventilation measures!
The regulations issued by the local authorities must be
strictly observed!
• For the exhaust air ducting, there must be an exhaust air shaft
in your house intended exclusively for the extractor fan,
a permanently installed exhaust air pipe or an exhaust air wall box
with an outlet to the outside (for further information
on the exhaust air ducting, see the following section).
• The extracted air must not be routed through any ducts
through which vapours produced by the combustion of gas
or other fuels are discharged!
If the exhaust air is to be led into a flue or exhaust chimney
that is not in use, the consent of the responsible master chimney sweep
must be obtained.
Mounting and Installation
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