Miele DA 220-2 EXT Manuale operativo e di installazione - Pagina 7
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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), spe-
cial care must be taken as the action of
the cooker hood extracts air from the
room, which these type of heaters need
for combustion.
They could also draw exhaust air back
in from chimneys or ducting in contra-
vention of fire safety regulations.
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.
N.B: 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.
For appliances with an external fan
motor fitted (EXT models) the con-
nection of the two units must be made
using the connection cable and the
plug connectors.
Make sure the correct combination of
the two appliances has been selected.
Separate instructions are supplied with
the external fan.
Before throwing an old appliance
away it must first be made unus-
able. Ensure 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.
The manufacturer cannot be held lia-
ble for damage caused by non-com-
pliance with these Warning and
Safety instructions.
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