75
of the same size as the ventilation hole”, a hole of 500-600 cm
2
,
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
— 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.