Miele DA 2390 Operating And Installation Instructions - Page 30

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Miele DA 2390 Operating And Installation Instructions
Installation
– Ensure that all connections are
strong and airtight.
Remember that any constriction of
the airflow will reduce extraction
performance and increase operating
noise.
 If the exhaust is ducted through an
outside wall, a telescopic wall vent or
a roof vent (available as an optional
accessory) is recommended.
 If the exhaust air is to be ducted into
a vent flue, the ducting must be
directed in the flow direction of the
flue.
 Where ducting is horizontal, it must
be laid to slope away at at least 1 cm
per metre. This is to ensure that
condensate cannot drain back into
the extractor.
 If the exhaust ducting is to run
through rooms, ceiling space etc.
there may be great variations in
temperature between the different
areas. The problem of condensation
will need to be addressed. The
exhaust ducting will need to be
suitably insulated.
30

Silencer

To achieve even further reductions in
noise levels, a special silencer (optional
accessory) can be fitted in the ducting
system.
Air extraction mode
The silencer not only reduces noise
from the motor outside the house, 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 .