12
Ceiling Support Structures
• At the hood location, install 2"x 4" cross framing
between ceiling joists as shown. (2"x 4" are
required to support the weight of the hood.)
• Arrange cross framing in the ceiling to suit the
existing structure.
• Your ceiling joists will be like one of the following
examples.
Installation Instructions
49-80406 Printe
d
in
Italy
04-0
6
JR
36” Hood
Template
8-1/2
?
Dia.
Cut a 1
?
Dia.
Wire Access
Hole
Cut a 1
?
Dia.
Wire Access
Hole
Drill 3/16”
Pilot Holes
Approx. 1 1/2”
Deep
Drill 3/16”
Pilot Holes
Approx. 1 1/2”
Deep
10 1/4” to
Centerline
of Holes
8 1/4” to
Centerline
of Holes
FRONT OF HOOD
8 1/4” to
Centerline
of Holes
NOTE: Do not cut the duct
opening shown on the template
for the recirculating installation.
Advance planning
•
Determine the exact location of the vent hood.
•
Locate the template packed with the literature.
•
Plan the route for venting exhaust to the outdoors.
•
Use the shortest and straightest duct route possible. For satisfactory performance duct run should not exceed
100’
equivalent length for any duct configur
ations.
•
Refer to “Duct Fittings” chart to compute the maximum permissible length for duct runs to the outdoors.
•
Use 8" round metal ductwork only.
•
Installation will be easier if the vent hood is installed before the cook-top and countertop are installed.
Top view – ceiling joists at angle to front of hood
10-1/16
?
install cross-framing
symmetrically over duct/cooktop
centerline
16
?
joist
spacing
7-1/16
?
8
?
duct
Front
of
hood
2x4 cross
framing
Cooktop
outline
Align duct
to center of
cooktop
EXAMPLE C
Top view – ceiling joists run perpendicular to front of hood
10-1/16
?
install
cross-framing
symmetrically over
duct/cooktop
centerline
16
?
joist
spacing
7-1/16
?
8
?
duct
Front
of
hood
2x4 cross
framing
Cooktop
outline
Align duct
to center of
cooktop
EXAMPLE B
Top view – ceiling joists parallel to front of hood
10-1/16
?
Install cross-framing
symmetrically over
duct/cooktop
centerline
16
?
joist
spacing
7-1/16
?
8” duct
Front
of
hood
2x4 cross
framing
Cooktop
outline
Align duct
to center of
cooktop
EXAMPLE A
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