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Supply air, exhaust, and ventilation cross-sections
Supply air/exhaust air
The tumble dryer may only be operated when the ducting has been connected properly
and the room is sufficiently ventilated.
Calculating the total length and diameter of a supply-air or exhaust pipe
The length of the required ductwork and the number and shape of the elbows are deter-
mined by the structural conditions on-site. In order to maximize the airflow efficiency, the
pipeline should be as short as possible and contain few or minimal elbows.
The exhaust ducting must not be made from flammable materials.
Otherwise there is a risk of fire.
Use only non-flammable materials for the exhaust ducting. All local regulations for
metallic ducting must be observed. Plastic must not be used for ventilation.
In upward exhaust ducting systems, a condensate drain must be fitted to the bottom. The
condensate must be drained via a water collection tray or a floor drain positioned in an ap-
propriate location.
If air is being directed from multiple appliances into a combined line (exceptional circum-
stances), a non-return device (non-return flap) must be installed in each separate line to
prevent backflow.
To make subsequent cleaning of the pipes easier, cleaning flaps should be fitted to elbows
wherever possible.
The on-site exhaust ducting and venting to the outdoors must be regularly checked for lint
deposits and cleaned if necessary.
en - Installation notes
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