AEG 220 D Manuel d'installation et d'utilisation - Page 9

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The national decree on fuel-burning systems specifies a

maximum depression of 0.04 bar in such rooms.

Hoods can only be used safely with appliances connected

to a chimney if the room and/or flat (air/environment

combination) is ventilated from outside using a suitable

ventilation hole approximately 500-600 cm

large to

avoid the possibility of a depression being created during

operation of the hood.

If you have any doubts, contact the relevant controlling

authority or building inspector's office.

Since the rule for rooms with fuel burning appliances is

"outlet hole of the same size as the ventilation hole", a

hole of 500-600 cm

, which is to say a larger hole, could

reduce the performance of the extractor hood.

If the hood is used in its filtering function, it will operate

simply and safely in the above conditions without the

need for any of the aforementioned measures.

When the hood is used in its extractor function, the

following rules must be followed to obtain optimal

operation:

— short and straight outlet hose

— keep bends in outlet hose to a minimum

— never install the hoses with an acute angle, they must

always follow a gentle curve only

— keep the hose as large as possible (120 mm Ø min.).

Failure to observe these basic rules will drastically reduce

the performance and increase the noise levels of the

extractor hood.