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Safety warnings
For the installer
• When used as an extractor unit, the hood must
be fitted with a 120mm diameter hose.
Attention: The hose is not supplied and
must be purchased separately.
• When installing the hood, make sure you
observe the following minimum distance
from the top edge of the cooking hob/ring
surfaces:
electric cookers
gas cookers
If the instructions for installation for the gas hob
specify a greater distance, this must be adhered
to.
• The national Standard on fuel-burning systems
specifies a maximum depression of 0.04 mbar in
such rooms.
• The air outlet must not be connected to chimney
flues or combustion gas ducts. The air outlet
must under no circumstances be connected to
ventilation ducts for rooms in which fuel-burning
appliances are installed.
• The air outlet installation must comply with the
regulations laid down by the relevant local
authorities.
• When the unit is used in extraction mode, a
sufficiently large ventilation hole must be
provided, with dimensions that are approxi-
mately the same as the outlet hole.
• National and regional building regulations
impose a number of restrictions on using hoods
and fuel-burning appliances connected to a
chimney, such as coal or oil room-heaters and
gas fires, in the same room.
• Hoods can only be used safely with appliances
connected to a chimney if the room and/or flat
(air/environment combination) is ventilated from
outside using a suitable ventilation hole approxi-
mately 500-600 cm
2
large to avoid the
possibility of a depression being created during
operation of the hood.
• If you have any doubts, contact the relevant
controlling authority or building inspector's
office.
• Since the rule for rooms with fuel burning
appliances is "outlet hole of the same size as the
ventilation hole", a hole of 500-600 cm
is to say a larger hole, could reduce the perfor-
mance of the extractor hood.
• If the hood is used in its recirculation mode, it
will operate simply and safely in the above
conditions without the need for any of the
• When the hood is used in its extraction mode,
600 mm
700 mm
• Failure to observe these basic instructions will
2
, which
34
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aforementioned measures.
the following rules must be followed to obtain
optimal operation:
- short and straight outlet hose
- keep bends in outlet hose to a minimum
- never install the hoses with an acute angle,
they must always follow a gentle curve.
- keep the hose as large as possible
(preferably the same diameter as the outlet
hole).
- the length should be no more than:
3 metres with one 90° bend
2 metres with two 90° bends
Bends of more than 90° will reduce the
efficiency of the hood and reduce the
airflow.
drastically reduce the performance and increase
the noise levels of the extractor hood.
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