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When using the cooker hood in ex-
traction mode at the same time as
another heating appliance which de-
pends on the air in the room, (e.g. gas,
oil or coal fired heaters, continuous flow
or other water heaters, gas cooker, gas
hob or gas oven) special care must be
taken, as the action of the cooker hood
extracts air from the room, which these
types of heater need for combustion.
In order to ensure safe operation, and
to prevent the gases given off by the
heating appliances from being drawn
back into the room when the extractor
and the heater are in operation simulta-
neously, an underpressure in the room
of 0.04 mbar (4 pa) is the maximum
permissible.
Ventilation can be maintained by air in-
lets which cannot be blocked, in win-
dows, doors and outside wall vents, or
by other techical measures, such as en-
suring that the extractor can only be
switched on when the heating ap-
pliance is switched off or vice-versa.
N.B.: The overall ventilation condition of
the dwelling must be taken into ac-
count.
If in any doubt, the advice of a compe-
tent builder or, for gas, a "Corgi" instal-
ler must be sought.
If the cooker hood is operated in re-
circulation mode (with active char-
coal filter) then the above restrictions
do not apply.
Warning and Safety instructions
Disposal of an old machine
or appliance
Before discarding an old machine
or appliance render it useless. En-
sure that disconnection from the mains
supply is carried out by a competent
person and that the cable is also
removed from the appliance to prevent
misuse. Render any plug useless.
The manufacturer cannot be held re-
sponsible for any damage caused
by non-observance of these instruc-
tions.
7
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