6
• Faulty components must only be replaced by genuine original parts.
• During installation, maintenance and repair work, the appliance must be disconnected from the
mains electricity supply. It is only completely isolated from the electricity supply when:
a) it is switched o at the isolator, or
b) the mains fuse is disconnected, or
c) it is switched o at the wall socket and the plug withdrawn, or
d) the fuse of the fused spur connection unit is withdrawn.
• Do not connect the appliance to the mains electricity supply by a multi-socket unit or an extension
lead. These do not guarantee the required safety of the appliance (e.g. danger of overheating). This
appliance may only be used in mobile installations if a risk assessment of the installation has been
carried out by a suitably qualied engineer.
• In areas which may be subject to infestation by cockroaches or other vermin, pay particular
attention to keeping the appliance and its surroundings in a clean condition at all times.
Using at the same time as other heating
appliances that depend on the air from
the same room.
WARNING:
Danger of toxic fumes.
• Great care should be taken when using the cooker hood at the same time and in the same room
or area of the house as another heating appliance which depends on the air in the room. Such
appliances include gas, oil, wood or coal-red boilers and heaters, continuous ow or other water
heaters, gas hobs, cookers or ovens which draw air in from the room and duct exhaust gases out
through a chimney or extraction ducting.
• When used in extraction mode, the appliance draws air in from the room in which it is installed
and from neighbouring rooms.
• If there is insucient air, an underpressure will occur. The heating appliance may be starved of
oxygen, impairing combustion.
• Harmful gases could be drawn out of the chimney or extraction ducting back into the room, with
potentially fatal consequences.
• In order to ensure safe operation, and to prevent gases given o by the heating appliances
from being drawn back into the room when the cooker hood and the heater are in operation
simultaneously, an underpressure of 0.04 mbar (4 pa) is the maximum permissible in the room.
L60_90CHDX17_IB_RC_190411_grace.indd 6 11/4/2019 3:52 PM
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