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Installation
Instructions
HOOD EXHAUST
NOT_
Read these next two pages only if you plan to vent your exhaust to the outside.
If you plan to reclrculate the air back into the room, proceed to page 6.
OUTSIDE
TOP EXHAUST
(EXAMPLE ONLY)
The following chart desclibes an example of one possible ductwork installation.
EQUIVALENT
NUMBER
EQUIVALENT
DUCT PIECES
LENGTH
x
USED
=
LENGTH
RoofCap
24 Ft.
x
(1)
24 Ft.
12 Ft.Straight Duct
12 Ft.
x
(1)
12 Ft.
(6" Round)
Rectangular-to-Round
5 Ft.
x
(1)
5 Ft.
Transition Adapter*
Equivalent l engthsof duct piecesare basedon actualtests and
reflectrequirements for goodventingperformance with anyvent hood.
Total Length
=
41 Ft.
*IMPORTANT: ff a rectangular-to-round
transition adapter is used, the bottom comers of the damper will have
to be cut to fit, using the fin snips, in order to allow free movement of the damper.
OUTSIDE
BACK EXHAUST
(EXAMPLE
ONLY)
The following chart describes an exmnple of one possible duc ,twork instanadon.
DUCT PIECES
EQUIVALENT
NUMBER
EQUIVALENT
LENGTH*
x
USED
--
LENGTH
40 Ft.
x
(1)
40 Ft.
Wall Cap
3 Ft. StraightDuct
3 Ft.
x
(1)
=
3 Ft.
(3¼"x 10" Rectangular)
(_
30 ° Elbow
10 Ft.
x
(2}
20 Ft.
Equivalentlengthsof duct piecesare basedon actualteats and
reflect requirements for goodventingperformance with any vent hood.
Total Length
=
63 Ft.
NOTE: For back exhaust, care should be taken to align exhaust with space between studs, or wall should be
prepared
at the time it is constructed
by leaving enough space between the wall studs to accommodate
exhausL
4
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