YO
I
HOOD EXHAUST
Outside
tap exhaust
(example
only_
The following
chart describes an example of one possible ductwork installation.
DUCT PIECES
EQUIVALENT
EQUIVALENT
LENGTH
x
NUMBER USED
=
LENGTH
Roof Cap
24 Ft.
x
(1)
=
24 Ft.
12 Ft. Straight Duct (6"
12 Ft.
x
(1)
--
12 Ft.
Round)
5 Ft.
x
(1)
--
5 Ft.
Rectangular-to-Round
_m
Transition Adaptor*
Equivalent lengths of duct pieces are based on actual tests
and reflect requirements for good venting performance
with
any vent hood.
Total Length
=
41 Ft.
* iMPORTANT:
If a rectangular-to-round
transition adaptor is used, the bottom corners of the damper will have to be cut to
fit, using the tin snips, in order to allow free movement of the damper.
Outside
back exhaust
(example
only)
The following
chart describes an example of one possible ductwork installation.
EQUIVALENT
EQUIVALENT
(,_
DUCT PIECES
LENGTH
x
NUMBER USED
=
LENGTH
Roof Cap
40 Ft.
x
(1)
--
40 Ft.
_
3 Ft. Straight Duct
(31/4" x 10"
3 Ft.
x
(1)
--
3 Ft.
Rectangular)
Elbow
10 Ft.
x
(2)
--
20 Ft.
90 °
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 t care should be taken to align exhaust with space between studs t or wall should be prepared at the
time it is constructed by leaving enough space between the wall studs to accommodate
exhaust.
4