GE ZV855 Installation Instructions Manual page 10

Installation Preparation
CONSTRUCT CEILING SUPPORT (Continued)
EXAMPLEB
Install cross-framing
symmetricallyover
duct/cooktopcenterline
16" I
spacing 7-5/8"
8-3/4"
2x4 Cross-
framing wood
supports
\
Align duct Cooktop
to center outline
of cooktop
Top view - ceiling joists run perpendicular to front of hood
EXAMPLEC
Install cross-framing symmetrically
over duct/cooktop centerline
2x4 Cross-
framing wood
supports
16 Joist
spacing
Align duct Cooktop
to center outline
of cooktop
Top view- ceiling joists at angle to front of hood
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