15
Rev. 01.01
INSTALLATION
4. INSTALLATION
4.2 CONNECTING DUCTWORK
• The connected ductwork must have the same dimen-
sions as the intake and exhaust openings of the unit.
Ductsofasmallerdiametermayreducetheefcien-
cy of the unit and, in some cases, also its lifespan.
• Connect the intake and exhaust openings (rectangu-
lar/circular opening) with exible joints in order to
reduce vibrations.
READ CAREFULLY!
All the connections to the ductwork must be sealed
with sealant or tape.
The minimum distance between bends in the duc-
twork or adapters and the neck of the unit is 20".
4.2-1 Protective grille for openings
(not included)
If the unit’s opening is not connected to the duct-
work, rain blinds will be required to prevent water
and moving particles coming into contact with the
fan, the heating rods, etc.
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