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installation instructions
HOOD EXHAUST
NOTE: Read these next two pages only ff you plan to vent your exhaust to the
outside. If you plan to recircutate the air' back into the room, proceed to page 6.
OUTSIDE TOP EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
ductwor k installation,
EQUIVALENT NUMBER EQUIVALENT
DUCT PIECES LENGTH x USED = LENGTH
D
RoofCap
t2 Ft StraightDuct
(6"Round)
Rectangular-to-Round
TransitionAdapter*
24 Ft x (1)
12Ft, x (1)
5 Ft x (1)
Equivalentlengthsofductpiecesarebasedon actualtestsand
reflectrequirementsforgoodventingperformancewith anyventhood
Total Length =
24Ft
12Ft
5 Ft
41 Ft.
* IMPORTANT: If a rectangular-to-round transition adapter is used, the bottom cornets of' the damper
will have to be cut to fit, using the tin snips, in order to allow fi-ee movement of the damper.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
duetwork installation_
EQUIVALENT NUMBER EQUIVALENT
DUCT PIECES LENGTH* x USED = LENGTH
B
WallCap
3Ft StraightDuct
(31A" x 10" Rectangular)
90° Elbow
40 Ft x (1)
3 Ft x (1)
10 Ft x (2)
Equivalentlengthsofductpiecesarebasedon actualtestsand
reflectrequirementsfor goodventingperformancewithanyvent hood
Total Length =
40Ft
3 Ft
20Ft
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,
iiH,ii,l,n,ll,i
4
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