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Installation
*INSTALLATION*
44
- All connections must be strong and
airtight.
- If the exhaust ducting has flaps,
these must be opened whenever the
cooker hood is switched on.
Any constriction of the air throughput
will reduce extraction performance
and increase operating noise.
Flue
If the exhaust air is to be ducted into a
flue, the ducting must be directed in the
flow direction of the flue.
If the flue is used by several ventilation
units, the cross-section of the flue must
be large enough.
Non-return flap
Use a non-return flap in the exhaust
system.
A non-return flap ensures that when the
cooker hood is not in operation, the
duct is closed to prevent unwanted
exchange of room air and outside air.
If the exhaust is ducted through an
outside wall, a Miele wall vent or roof
vent (available as an optional
accessory) is recommended. Both of
these have a built-in non-return flap.
If the on-site ventilation system does
not have a non-return flap, you can
purchase one as an optional accessory.
Condensation
If the exhaust ducting is to run through
cool rooms or ceiling space, for
example, the significant variations in
temperature between the different areas
can cause condensation to form.
Insulate the exhaust ducting to reduce
temperature variations.
If the exhaust ducting is to be laid
horizontally, it must be laid with a
downwards sloping gradient of at least
1cm per meter. This is to ensure that
condensation cannot drain back into
the cooker hood.
In addition to insulating the exhaust
ducting, it is advisable to also install a
condensate trap for collecting and
evaporating any potential condensation.
Condensate traps for 125mm or
150mm diameter exhaust ducting are
available as optional accessories.
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