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• Lift the frame up, making sure that the index over
the frame plate is turned backwards.
• Fit the frame slots onto the two screws inserted in the
ceiling as above, and turn until reaching the centre
of the adjustment slot.
• Tighten the two screws and fasten the other two
screws provided; before locking the screws comple-
tely, it is possible to adjust the frame by turning it,
making sure that the screws do not come out of their
housing in the adjustment slot.
• The Frame must be securely fastened so as to
support both the weight of the Hood and the stress
caused by occasional axial pressure against the
fi tted Appliance. After fi xing, make sure that the
base is stable even when the Frame is subjected
to lateral stress.
• If the Ceiling is not strong enough in the area
where the hood is to be fi xed, the Installer must
strengthen the area using suitable plates and
counterplates anchored to resistant structures.
Extraction
The cooker hood is more effective when used in the
extraction mode (ducted to the outside).
Venting kits may be purchased through your retailer
or DIY store, and must be ducted to an outside vent
of Ø125mm (5") or Ø150mm (6").
For the best performance use the shortest possible duct
run and the minimum number of bends.
Where fl exible ducting is fi tted it should not be turned
through very tight bends as this may impair the perform-
ance of the hood.
It is recommended a maximum length of 3 metres
with one bend, to be installed, to be reduced metre
for each 90o bend.
If a distance is greater than 3 metres the effi ciency of
the hood could be impaired.
The ducting used must be manufactured from fire
retardent material conforming to the relevant British
Standard or DIN 4102-B1.
When the cooker hood is ducted to the outside the
charcoal fi lter must be removed.
INSTALLING THE COOKER HOOD
15
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