GE PVB98DTBB Fiche Technique
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®
GE Profile
™
or
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®
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220983
Specification Revised 12/11
Listed by
Underwriters
Laboratories
PVB98DT
GE Profile
™
36" Telescopic Downdraft System
Venting Duct Information
Plan the Ductwork
1. This downdraft blower system is designed for use with 3-1/4"
1. This downdraft blower system is designed for use with 3-1/4"
x 10" ductwork (can be transitioned to 6" round). Two different
discharge directions are available with side-to-side adjustment
for the accurate alignment of ductwork.
discharge directions are available with side-to-side adjustment
for the accurate alignment of ductwork.
2. For best performance: choose the ducting option which allows
the shortest length of ductwork and a minimum number of
elbows and transitions. Check location of floor joists, wall
joists, wall studs, electrical wiring or plumbing for possible
interference.
elbows and transitions. Check location of floor joists, wall
joists, wall studs, electrical wiring or plumbing for possible
interference.
Steps to Determine Flexible Ducting’s Equivalent Length
1. Measure the actual amount of offset (Maximum 3" recom-
1. Measure the actual amount of offset (Maximum 3" recom-
mended). The effect upon airflow is dependent upon the
amount of offset.
amount of offset.
2. Calculate the equivalent ducting allowances using:
(__in. offset) x (14 Ft. per inch)
=__Ft. equivalent length.
=__Ft. equivalent length.
3. Ensure that the total equivalent length of ducting does not
exceed the maximum recommendation of 100 feet.
Left discharge
(as shipped)
Right
discharge
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
6" Round
Straight
3-1/4" x 10"
Straight
3-1/4" x 10"
90ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
3-1/4" x 10"
45ϒ Elbow
6"
90ϒ Elbow
6"
45ϒ Elbow
3-1/4" x 10"
to 6" Round
Transition
6" Round
to 3-1/4 x 10"
Transitions
90ϒ Elbow
6" Round
Roof Cap
3-1/4" x 10"
Wall Cap
with Damper
6" Round
Roof Vent
3-1/4" x 10"
to 6" Round
Transition
90ϒ Elbow
6" Round
Wall Cap
with Damper
6" Round
to 3-1/4 x 10"
Transitions
Duct Pieces
Equivalent Length*
Duct Pieces
Equivalent Length*
1 ft. (per foot length)
1 ft. (per foot length)
12 ft.
7 ft.
14 ft.
12 ft.
33 ft.
2 ft.
2 ft.
4 ft.
4 ft.
24 ft.
24 ft.
33 ft.
SHOULD NOT EXCEED 100 EQUIVALENT FT.
* Equivalent length of duct pieces are based
* Equivalent length of duct pieces are based
on actual test conducted by GE Evaluation
Engineering and reflect requirements for good
venting performance with a downdraft system
rated at 390 CFM
Engineering and reflect requirements for good
venting performance with a downdraft system
rated at 390 CFM
Venting Duct Information
*