GE Profile PV977 Owner's Manual And Installation Instructions page 14

Installation Preparation
CONSTRUCT CEILING SUPPORT (Continued)
EXAMPLE B
Install cross-framing
symmetricallyover
16" Joist ducticooktopcenterline
spacing *----- 10-5/16"----------*
i
Align duct
to center
of cooktop
2x4 Cross
i framing wood
supports
\
Cooktop
outline
Top view - ceiling joists run perpendicular to front of hood
EXAMPLE C
Install cross-framing symmetrically
over ducticooktop centerline
o
i
, --_J
o
,' 8-1/4"
I
i
--1
2x4 Cross
1 framing wood
supports
i
I
16" Joist
spacing Alicn duct
to center Cooktop
of cooktop outline
Top view - ceiling joists at angle to front of hood
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