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Installation
Instructions
HOOD EXHAUST
NOTE: Read these next two pages only if you plml to vent your exhaust to the
outside. If you plan to recirculate the air back into the room, proceed to page 6.
OUTSIDE
TOP EXHAUST
(EXAMPLE
ONLY)
The
following
chart
describes
an example
of one
possible
ductwork
instnllation.
DUCT PIECES
EQUIVALENT
NUMBER
LENGTH
x
USED
RoofCap
24 Ft.
x
12 Ft.Straight Duct
12 Ft.
x
(6" Round)
Rectangular-to-Round
5 Ft.
x
TransitionAdaptor*
Equivalent l engthsof duct piecesare basedon actualtests and
reflect requirements for goodventingperformance with anyvent hood.
(1)
(1)
(1)
Total
Length
EQUWALENT
LENGTH
24 Ft.
12 Ft.
5 Ft.
41 Ft.
* IMPORTANT:
If a rectangulat_to-rotmd
transition
adaptor
is used,
the
bottom
cornet_
of the
damper
will ha_e
to be
cut
to fit, usino, _ the
tin
snips,
in order
to allow
free
mo_.ement
of the
damper.
OUTSIDE
BACK EXHAUST
(EXAMPLE
ONLY)
The
following
chart
describes
an
example
ot one
possible
ductwork
installation.
[
DUCT PIECES
_Wall
Cap
(_
90 ° Elbow
EQUIVALENT
NUMBER
EQUIVALENT
LENGTH*
x
USED
=
LENGTH
40 Ft.
x
(1)
=
40 Ft.
3 Ft.
x
(1)
3 Ft.StraightDuct
3W' x 10" Rectangular)
10 Ft.
x
(2)
=
3 Ft.
20Ft.
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance 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
exhaust.
4
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