9
Safety
warnings for
kitchen unit
installer
Installation
When used as an extractor unit, the hood must be fitted with a 100
or 120 mm diameter hose.
If the outlet hose is installed in a horizontal position, it must be
slanted at an angle of 10° so that the air can flow outside without
impediment.
When installing the hood, make sure you respect the follow-
ing minimum distance from the top edge of the cooking hob/
ring surfaces:
electric cookers
650 mm
gas cookers
650 mm
coal and oil cookers
700 mm min.
The air outlet must not be connected to chimney flues or
combustion gas ducts. The air outlet must under no circum-
stances be connected to ventilation ducts for rooms in which
fuel-burning appliances are installed.
It is advisable to apply for authorization from the relevant
controlling authority when connecting the outlet to an un-
used chimney flue or combustion gas duct.
The air outlet installation must comply with the regulations
laid down by the relevant authorities.
When the unit is used in its extractor version, a sufficiently
large ventilation hole must be provided, with dimensions
that are approximately 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 combina-
tion) is ventilated from outside using a suitable ventilation
hole approximately 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.
Where flexible ducting is fitted 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 air flow.
