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Installation
If unsure or unfamiliar with these
installation procedures, please
contact a qualified contractor.
^ Remove the roof shingles at the
installation location. Make the cut
such that the upper and side edges
of the housing frame sit under the
roof covering and the lower edge sits
over the roof covering.
^ Make an 11" hole (28 cm) for the
exhaust duct and power cord
feed-through (strain relief) 1 ¼"
(3 cm).
^ Fasten the external blower with four
suitable screws.
^ Seal the screw heads.
^ Seal the roof covering all the way
around the housing.
10
^ The external blower and the
ventilation system are connected by
a 10" (254 mm) exhaust duct C (see
"Air extraction").
Mount the provided connection plate
on the ventilation system (see
installation instructions DA 6480,
6490).
^ Install a UL/CSA-approved power
cord (see "Electrical connection").
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