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Installation
*INSTALLATION*
43
Installation recommendations
- When deciding on the safety distance
between the hob and cooker hood,
please note that a distance of
650mm above electric cookers/hobs
may be preferable to give more
working space under the hood.
- Account should also be taken of the
height of the person who will be
using the hood most often. They
should have sufficient space to work
comfortably at the hob, and be able
to reach the cooker hood controls
with ease.
- Please be aware that if positioned too
high, extraction will be inefficient.
- To achieve optimum vapour
extraction, the cooker hood must be
centred over the hob, not to the side
or behind it.
- The hob should be no wider than the
cooker hood, and if possible, it
should be narrower.
- The installation area must be easily
accessible. The cooker hood should
be easily accessible and easy to
dismantle in the event that service is
required. This should be taken into
consideration when planning the
position of cupboards, shelves,
ceilings or features in the vicinity of
the cooker hood.
Connection for air extraction
If the cooker hood is used at the
same time as a heating appliance
that relies on oxygen from the same
room, there is a risk in certain
circumstances of toxic fumes
building up.
It is essential that the “Warning and
Safety” instructions are observed.
The cooker hood should be installed
according to local and national
building regulations. Seek approval
from the building inspector where
necessary.
Only use smooth pipes or flexible
exhaust ducting made from
approved non-flammable materials
for exhaust ducting.
Use rigid exhaust ducting for...EXT/
EXTA model cooker hoods. The
external motor can cause an
underpressure which can result in
the exhaust ducting distorting.
To achieve the most efficient air
throughput with the lowest noise levels,
please note the following:
- The diameter of the exhaust ducting
must not be smaller than the cross-
section of the exhaust duct (see
“Appliance dimensions”). This applies
in particular when using flat ducting.
- The exhaust ducting should be as
short and straight as possible.
- Only use wide radius bends.
- The exhaust ducting must not be
kinked or compressed.
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