GE ZV421 Installation Instructions Manual page 11

STEP 1 CONSTRUCT CEILING SUPPORT
CONTINUED
EXAMPLE B
16" Joist
Spacing
Top View – Ceiling Joists Run Perpendicular to Front of Hood
EXAMPLE C
12-3/4" (42" Hood)
17" (54" Hood) Install Cross-Framing
Symmetrically About Duct/Cooktop
Centerline
Top View – Ceiling Joists at Angle with Front of Hood
Installation Instructions
12-3/4" (42" Hood)
17" (54" Hood)
Install Cross-
Framing
Symmetrically About
Duct/Cooktop
Centerline
10" Duct
8 5/8"
Front
of
Hood
8 5/8"
10" Duct
16" Joist
Spacing
Front
of
Hood
2x4 Cross
Framing
Cooktop
Align duct
Outline
to center of
Cooktop
2x4 Cross
Framing
Align duct
Cooktop
to center of
Outline
Cooktop
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