GE ZV541, ZV421 Construct Ceiling Support, Plan the Location of the Hood and Ductwork

Installation Instructions

STEP 1 CONSTRUCT CEILING SUPPORT

Plan the Location of the Hood and Ductwork

•Use a plumb bob to check the location. The countertop/cooktop below the hood must be centered with the hood.

Ceiling

Hood

Ducting

Centerline

Front

15-7/8"

Align With	31-3/4"
	Cooktop
Center of
Cooktop
	Countertop

•The hood should extend beyond the front and rear edge of the cooking appliance.

•The duct in the ceiling must be centered over the cooktop.

Ceiling

Hood

Ducting

Centerline

Front

18-1/8"

Align With	36-1/4"
	Cooktop
Center of
Cooktop
	Countertop

42" Hood Side View			54" Hood Side View
Ceiling Support Structure
• At the hood location, install 2 x 4 cross framing between			• Arrange cross framing in the ceiling to suit the existing
ceiling joists as shown. (2x4’s are required to support the			structure.
weight of the hood.)			• Your ceiling joists will be like one of the following
			examples.
		12-3/4” (42” Hood)
	17” (54” Hood) Install
EXAMPLE A
		Cross-Framing
		Symmetrically About
		Duct/Cooktop Centerline

			8 5/8”
16	”	Joist		10” Duct
Spacing

2x4 Cross

Framing

Front

of

Hood

Align ductCooktop to center of

Cooktop

Outline

Top View – Ceiling Joists Parallel to Front of Hood

10