AEG 222 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 approxi¬

mately 500-600 cm2 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

cm2, 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 0 min.).

• Failure to observe these basic rules will drastically reduce the

performance and increase the noise levels of the extractor hood.