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Air venting
33
WARNING: Danger of toxic fumes.
Gas cooking appliances release
carbon monoxide that can be
harmful or fatal if inhaled.
To reduce the risk of fire and to
properly exhaust air, the exhaust
gases extracted by the hood should
be vented outside of the building
only.
Do not vent exhaust air into spaces
within walls or ceilings or in attics,
crawl spaces or garages.
To reduce the risk of fire, only use
metal ductwork.
Please read and follow the
"IMPORTANT SAFETY
INSTRUCTIONS" to reduce the risk
of personal injury. Follow all local
building codes when installing the
hood.
The exhaust connection depends on
the blower used:
DAG 600 ........................6" (150mm),
DAG 1000: .....................10" (254mm)
Only use smooth pipes or flexible
duct hoses made from non-
combustible materials for exhaust
duct.
To achieve the greatest possible air
extraction with the lowest noise levels,
please observe the following:
– The cross-section of the exhaust
duct must not be smaller than the
cross-section of the vent collar (see
appliance dimensions).
– The exhaust duct should be as short
and straight as possible.
– If elbows are needed, make sure they
have a large radius.
– The exhaust duct must not be kinked
or compressed. When selecting the
exhaust duct, ensure that it is rigid
enough to retain its shape during
operation.
– Make sure that all connections are
secure and airtight.
Any constriction of the airflow will
reduce extraction performance and
increase operating noise.
If the exhaust air is to be ducted into
a flue, the duct must be directed in
the flow direction of the flue.
When duct is horizontal it must be
laid to slope away at at least ¹/₈ inch
per foot. This is to ensure that
condensate cannot drain back into
the appliance.
If the exhaust duct is to be routed
through rooms, ceiling space etc., the
temperatures in these different areas
may differ greatly, which means that
the problem of condensation will
need to be addressed. The exhaust
duct will need to be insulated.
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