Miele DA 316 i Manuale operativo e di installazione - Pagina 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 extraction 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.

– When ducting is horizontal it must be

laid to slope away at at least 1 cm

per metre to ensure no condensate

drains into the appliance.

– 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.

Important

If the exhaust ducting is to run

through rooms, ceiling space etc.

where there may be great variations

in temperature between the differ-

ent areas the problem of sweating

or condensation will need to be ad-

dressed.

The exhaust ducting will need to be

suitably insulated.