AEG 825 D Руководство по установке и эксплуатации - Страница 8

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Также для AEG 825 D: Руководство по установке и эксплуатации (19 страниц), Инструкции по эксплуатации и установке (19 страниц)

AEG 825 D Руководство по установке и эксплуатации
Regulations on fuel-burning systems specify 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-
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mately 500-600 cm
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
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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.
Where flexible ducting is fitted the length should be no more
than:
— 3 metres with one 90° bend
— 2 metres with two 90° bends.
Bends of more than 90° will reduce the efficiency of the hood
and reduce the air flow.
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