Ductwork 9 - GE JVB37 Owner's Manual & Installation Instructions
Downdraft vent systems
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Also See for JVB37:
- Owner's manual & installation instructions (40 pages) ,
- Owner's manual and installation instructions (20 pages) ,
- Owner's manual and installation instructions (20 pages)
Table of Contents
Power Supply
This downdraft vent must be supplied with 120V, 60Hz., and
connected to an individual, properly grounded branch circuit,
protected by a 15 or 20 ampere circuit breaker or time delay fuse.
Gas Cooktops
If this vent is installed in combination with a gas
cooktop, it may operate from the same duplex outlet.
Electric Cooktops
If this vent is installed in combination with a electric
cooktop, the vent must operate from a separate
120V outlet.
A properly grounded 3-prong receptacle should be located
within reach of the vents' two foot power cord.
–Locate the receptacle inside the cabinet on the right side
wall. The receptacle cannot be placed on the back of the
cabinet wall where it may interfere with the downdraft
plenum. See illustration.
Ductwork Length and Dust Fittings
NOTE: Do not exceed 150 ' maximum permissible
equivalent lengths!
Flexible ducting: If flexible metal ducting is used,
all equivalent feet values in the table should be
doubled. The flexible metal duct should be straight
and smooth and extended as much as possible.
Duct
Pieces
6" Round
Straight
" x 10"
3
1
⁄
4
Straight
6"
90° Elbow
6"
45° Elbow
" x 10"
3
1
⁄
4
90° Elbow
SHOULD NOT EXCEED 150 EQUIVALENT FT.
*Equivalent lengths of duct pieces are based on actual tests conducted by GE Evaluation Engineering
and reflect requirements for good venting performance. See chart for CFM Duct Length.
Equivalent
Duct
Length*
Pieces
1 ft. (per
foot length)
1 ft. (per
foot length)
15 ft.
9 ft.
16 ft.
Do not use an extension cord or adapter plug with
this appliance. Follow National electrical codes or
prevailing local codes and ordinances.
DO NOT use flexible plastic ducting.
Add equivalent lengths for all duct pieces and
transitions used to ensure that the duct run does not
exceed the maximum 150'.
Equivalent
Length*
" x 10"
3
1
⁄
4
5 ft.
45° Elbow
" x 10"
3
1
⁄
4
24 ft.
90° Flat Elbow
6" Round
" x 10"
to 3
1
⁄
7 ft.
4
Transition
" x 10"
3
⁄
1
4
to 6" Round
5 ft.
Transition
6" Round
" x 10"
to 3
1
⁄
4
20 ft.
Transition
90° Elbow
Do not leave gas or electrical
connections within shaded area.
"
29
1
⁄
2
Electrical outlet
12" above
cabinet floor
34" for 36" models
" for 30" models
28
1
⁄
2
Duct
Pieces
" x 10"
3
1
⁄
4
to 6" Round
Transition
90° Elbow
6" Round
Wall Cap
with Damper
" x 10"
3
1
⁄
4
Wall Cap
with Damper
6" Round
Roof Cap
6" Round
Roof Vent
Equivalent
Length*
12 ft.
21 ft.
27 ft.
20 ft.
24 ft.
13
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