Miele DA279-3 Operating And Installation Instructions page 33

,
Please read and follow the
personal injury. Follow all local building
codes when installing the hood.
to reduce the risk of
– The ducting should be as short and
straight as possible, and the number
of sharp bends should be minimized.
– For most efficient air extraction, the
diameter of the ductwork should not
be less than 6" (150 mm). Use of flat
ducts also reduces the air extraction
efficiency.
– Noise levels of the hood will increase
if flat ducts or round ducts of less
than 6" (150 mm) in diameter are
used.
– Use smooth or flexible pipes made
from approved non-flammable mate-
rials for exhaust ducting.
– Where the ductwork is horizontal, it
must slope away from the hood at
1
least / " per foot (1cm per meter) to
8
prevent condensation dripping into
the appliance.
– If the exhaust is ducted through an
outside wall, a Miele Telescopic Wall
Vent can be used.
33