Miele PT 830 SL Series Інструкція з монтажу Посібник з монтажу - Сторінка 5
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Calculating the total length and diameter of a supply-air or exhaust pipe
The length of the required pipeline 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 sharp elbows.
In addition, a decision must be made as to whether flexible piping or steel piping could be
installed with a round or square cross-section. If the tumble dryer is connected to a central
air supply, the total pipe length is calculated from the sum of all exhaust and supply pipes.
The maximum supply pipe length should not exceed half of the total pipe length.
The exhaust ducting for gas-heated appliances 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.
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.
Muffler (Miele accessory available to order)
The use of mufflers for exhaust ducting used with gas-heated washing machines or ironers
is not permitted. The tightness of the muffler is classified as category B in accordance with
EN 13180.
In gas-heated tumble dryers, approval must be obtained from the relevant building regula-
tions inspector supervisor's office for the overall exhaust system. You are not permitted to
install multiple tumble dryers to a single muffler. If the tumble dryer is fitted with a com-
bined line, the muffler is installed directly onto the tumble dryer's exhaust nozzle. The non-
return flap must then be installed downstream of the muffler in the direction of flow.
Supply air, exhaust, and ventilation cross-sections
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