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●Regulations on
●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
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
●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.
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