In order to ensure safe operation, and
to prevent gases given off by the heat
-
ing 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 appli
-
ance is switched off or vice-versa. A
ventilation brick alone is not generally
sufficient to ensure safe ventilation.
The overall ventilation condition of
the dwelling must be taken into ac
-
count. If in any doubt, the advice of
a competent builder or, for gas, a
"Corgi" installer, must be sought.
If adequate ventilation can only be
achieved through an open window, a
window contact switch must be fitted.
This ensures that the hood can only be
operated when the window is opened
wide enough.
The advice of a competent builder must
be sought. The cooker hood is then
ready for use. A window contact switch
kit is available from good builders mer
-
chants.
Take care when ventilating the room
through an open window that ventilation
is not impaired by a closed blind or cur
-
tain.
If the hood is being operated in
recirculation mode, the above restric-
tions do not apply.
Disposal of your old appliance
Before discarding an old appli-
ance, switch off and disconnect it
from the power supply. Cut off and ren
-
der 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 lia
-
ble for damage caused by non-com
-
pliance with these Warning and
Safety instructions.
Warning and Safety instructions
7
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