Miele DA 3490 Bedienings- en installatiehandleiding - Pagina 35

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Silencer

(optional accessory)

To achieve even further reductions in

noise levels, a special silencer can be

fitted in the ducting system.

Connection for air extraction

...with air extraction:

The silencer not only reduces noise

from the fan, but also sounds from

outside (e.g. traffic noise).

For this reason the silencer must be

positioned as close as possible to the

ducting exit

...in recirculation mode:

The silencer needs to be positioned

between the fan and the exhaust grille

. The space needs to be checked in

some cases.

...air extraction with external motor:

To minimise noise from the motor in the

kitchen, the silencer should be

positioned in front of the external motor

if possible, or if the ducting is long,

then in the ducting inside the cooker

hood itself

In the case of an external motor placed

inside the house, fitting a silencer

behind the external motor

the noise of the motor outside the

house.

In all modes of operation, the most

effective noise reductions are

achieved if two silencers are fitted

one behind the other in the system.

reduces