Miele DA 219-2 EXT Betriebs- und Installationsanleitung - Seite 34

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Connection for air extraction

Danger of toxic fumes.

Please heed the "Warning and

Safety instructions" to avoid the

danger of toxic fumes.

The cooker hood should be in-

stalled according to local building

regulations. Seek approval from the

building inspector where necessary.

– All ducting, pipework and fittings

must be of non-flammable material.

– The extraction ducting should be as

short and straight as possible.

– To ensure efficient air extraction the

diameter of the exhaust ducting

should not be less than 150 mm.

If exhaust ducting with a diameter

of less than 150 mm or flat ducting

were to be used, the noise level of

the cooker hood would increase

and extraction would be less effi-

cient.

Only reduce the diameter of the duct-

ing if absolutely necessary, e.g.

where narrower ducting has already

been installed.

– Only use wide radius bends. Tight

bends reduce the air throughput of

the cooker hood.

– Only use smooth pipes or flexible

hoses made from non-flammable ma-

terials for extraction connection.

– Where ducting is horizontal it must

be laid to slope away at at least

1 cm per metre.

This is to ensure that condensate can-

not drain back into the cooker hood.

– If the exhaust air is to be ducted into

the open air, the installation of a tele-

scopic wall vent is recommended.

– If the exhaust air is to be ducted into

a vent flue, the ducting must be di-

rected in the flow direction of the flue.