Duct Fittings - Monogram ZV48T Installation Instructions Manual

Advance Plannin
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
length for these hoods: 150 feet
Flexible ducting:
If flexible metal ducting is used, all
the equivalent feet values in the table
should be doubled. The flexible metal
duct should be straight and smooth
and extended as much as possible.
Do NOT use flexible plastic ducting.
Note: Any home ventilation system, such as a
ventilation hood, mag interrupt the proper flow of
combustion air and exhaust required bg fireplaces,
gas furnaces, gas water heaters and other
naturally vented systems. To minimize the chance
of interruption of such naturally vented systems,
follow the heating equipment manufacturer's
guidelines and safetg standards such as those
published by NFPA and ASHRAE.When applicable,
install any makeup (replacement) air system in
accordance with local building code requirements.
Visit GEAppliances.com for available makeup air
solutions.
*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 l ength of straightduct plusduct
fittingequivalent. E quivalent length of duct pieces
arebased onactualtestsconducted
bUGEEvaluation Engineering andreflect
requirements f orgoodventingperformance w ithanU
ventilation hood.
20" round
to 8" round 5 ft.
Round, Z ft.
straight (per foot length)
3 2/4" x 20" Z ft. 3 2/4"× Z2" straight (per foot length)
8" Dia. 27 ft.
90 ° elbow 20" Dia. 24 ft.
(_ 8" Dia. 20 ft.
45 ° elbow 20" Dia. 24 ft.
Q
©
3 2',4" x 22" 25 ft.
3 2/4" x 20" 24 ft.
90 ° elbow
3 2/4" x 20" 8ft.
3 2/4" x 22" 9ft.
45 ° elbow
3 1/4" x 20" 33 ft.
3 2/4" x 22" 36 ft.
90° flat elbow
20" round transition
to 3-2/4" x 20" or
3:1/4" x 22" 9ft.
3 2/4" x 20" or
3-1/4" x 22" to
20" round transition 6 ft.
20" round to 3 1/4" x 20" 26 ft.
3 2/4" x 22" transition 23 ft.
90 ° elbow
3 2/4" x 20" 9ft.
3 1/4" x 22" to 20" round 8 ft.
transition 90 ° elbow
Round 8" Dia. 32 ft.
wall cap 10" Dia. 42 ft.
with damper
3 1/4" x 10" 24 ft.
3 2/4" x 12" wall cap 26 ft.
with damper
Round 8" Dia. 44 ft.
roof cap 20" Dia. 56 ft.
TotalDuctRun
49 80151 8