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Risks during exhaust air operation
WARNING
Risk of suffocation/explosion!
The air in the room where the exhaust
hood is operating is extracted by fan
and released outside. If, in this room, a
fireplace requiring indoor air – such as a
gas fire or other fuel-based heating sys-
tem – is also in use, the oxygen that is
necessary for combustion may also be
extracted. This can result in the flame
being extinguished and gas being re-
leased or the room becoming saturated
with exhaust fumes.
It is possible to run the appliance
■
without any risk by, for example,
providing non-sealable openings in
doors, windows or ventilation con-
duits through which the combustion
air can escape, and by achieving a
negative pressure level in the instal-
lation space of maximum 0.04 mbar.
This prevents the exhaust fumes from
being sucked back into the room.
In order to determine the necessary
■
measures, the entire ventilation sys-
tem throughout the home must be
reviewed. Consult the gas safety con-
sultant who is responsible for the
home. Regulations concerning the
discharge of air have to be fulfilled.
Never attach the exhaust hood to a
■
ventilation shaft, chimney or smoke-
stack! The air being extracted must
not travel through a channel in which
warm air circulates. The extracted
air may only be released to the out-
side through a separate air channel
intended exclusively for the exhaust
hood.
For your safety
NOTICE
Risk of damage to property!
Improper handling of the appliance
can lead to damage to property.
To operate the air extraction, a wall
■
or ceiling break of at least 15.5 cm in
diameter is required.
We recommend having a specialist
■
(electrician) carry out this break (core
drilling).
If the exhaust air hose passes
■
through an exterior wall, the air out-
let on the outside must have a cover
with self-opening slits (not included
in the package contents). Hire a spe-
cialist to carry out the wall break.
Consider the following: The shorter
■
and straighter the exhaust hose, the
more powerful the hood function will
be.
In Germany, statutory requirements
■
for extracting exhaust air vary from
state to state. Ask your master chim-
ney sweep for advice.
Page GB-7
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