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When using the cooker hood at the
same time as another heating ap-
pliance which depends 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 technical measures, such as
ensuring 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.
In countries where there are areas
which may be subject to infesta-
tion by cockroaches or other vermin,
pay particular attention to keeping the
appliance and its surroundings in a
clean condition at all times. Any dam-
age which might be caused by cock-
roaches or other vermin will not be
covered by the appliance guarantee.
For appliances with an external fan
motor fitted (EX models) the connection
of the two units must be made using
the connection cable and the plug con-
nectors. Make sure the correct combi-
nation of the two appliances has been
selected.
Separate fitting instructions are sup-
plied with the external fan.
Before discarding an old ap-
pliance switch off and disconnect
it from the power supply. Cut off and
render any plug useless. Cut off the
cable directly behind the appliance to
prevent misuse. This should be done
by a competent person.
The manufacturer cannot be held re-
sponsible for any damage caused
by non-observance of these instruc-
tions.
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