Duct Fittings - Monogram ZV48T Installation Instructions Manual

DUCT FITTINGS

Use this chart to compute maximum
permissable lengths for duct runs to
outdoors.
Note: Do not exceed maximum permissable
equivalent lengths!
Maximum recommended duct
Flexible ducting:
the equivalent feet values in the table
duct should be straight and smooth
and extended as much as possible.
Any home ventilation system, such as a
Note:
naturally vented systems. To minimize the chance
published by NFPA and ASHRAE. When applicable,
install any makeup (replacement) air system in
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solutions.
Hoods Are Equipped
* Hoods are supplied with a 10"
round transition. A locally
supplied transition is required
for other sizes.
Note: Outlet on top of hood is
8-1/8" x 8".
*Actual length of straight duct plus duct
are based on actual tests conducted
requirements for good venting performance with any
ventilation hood.
8
Advance Planning
Duct Piece
10" round
to 8" round
Round,
straight
3-1/4" x 10"
3-1/4" x 12" straight
90° elbow
45° elbow
3-1¦4" x 12"
3-1/4" x 10"
90° elbow
3-1/4" x 10"
3-1/4" x 12"
45° elbow
3-1/4" x 10"
3-1/4" x 12"
10" round transition
to 3-1/4" x 10" or
3-1/4" x 12"
3-1/4" x 10" or
3-1/4" x 12" to
10" round transition
10" round to 3-1/4" x 10"
3-1/4" x 12" transition
90° elbow
3-1/4" x 10"
3-1/4" x 12" to 10" round
transition 90° elbow
Round
wall cap
with damper
3-1/4" x 10"
3-1/4" x 12" wall cap
with damper
Round
roof cap
Equivalent Quantity
Length* Used
5 ft.
1 ft.
(per foot length)
1 ft.
(per foot length)
8" Dia. 17 ft.
10" Dia. 24 ft.
8" Dia. 10 ft.
10" Dia. 14 ft.
15 ft.
14 ft.
8 ft.
9 ft.
33 ft.
36 ft.
9 ft.
6 ft.
16 ft.
13 ft.
9 ft.
8 ft.
8" Dia. 32 ft.
10" Dia. 41 ft.
24 ft.
26 ft.
8" Dia. 44 ft.
10" Dia. 56 ft.
Total Duct Run
Total
Length
49-80151-8