CONTINENTAL EDISON CEH6062IX Manuel D'instructions page 32

• For air extraction
to be as efficient
as possible, use
a straight duct or
with a minimum of
elbows� Number
of technicians
recommended for
installation: 2 to 3�
Use appropriate wall
plugs and screws
on the wall where
the hood is to be
installed� Ask a
qualified installer or
technician to select
the right dowels and
screws� In a cold
climate, it is advisable
to install an additional
check valve to
minimize cold air
return, as well as a
nonmetallic thermal
barrier to minimize
heat transfer by
conduction to the
outside� The valve
SAFETY PRECAUTIONS
must be installed on
the side of the thermal
barrier where the air
is cold�
• The thermal barrier
must also be installed
as close as possible
to the point where the
duct enters the heated
part of the building�
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