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ADVANCE PLANNING
Ductwork Planning
■ T hese vent hoods are equipped for 8" round
ductwork.
■ D etermine the exact location of the vent hood.
■ P lan the route for venting exhaust to the outdoors.
■ U se the shortest and straightest duct route possible.
For satisfactory performance, duct run should
not exceed 100 ft. equivalent length for any duct
configurations.
■ R efer to "Duct Fittings" chart to compute the
maximum permissible length for duct runs to the
outdoors.
■ U se rigid metal ductwork only.
■ I nstall a roof cap with damper at the exterior
opening. Order the cap and any transitions needed
in advance.
■ W hen applicable, install any makeup (replacement)
air system in accordance with local building code
requirements. Visit GEAppliances.com for available
makeup air solutions.
Ductwork Planning
■ T hese vent hoods are heavy. Adequate structural
support must be provided. The ceiling structure
must be capable of supporting the weight of the
hood and any inadvertent user contact loads
(approximately 200 pounds). The hood support
frame will be supported by 2 x 4 cross framing.
■ I nstallation will be easier if the vent hood is installed
before the cooktop or countertop below is installed.
Accessory Duct Cover
■ A ll models are shipped with a duct cover for ceiling
heights of 7'-11" to 9'.
ZX92510 accessory 36-3/4" duct cover is available
to reach 9'-1" to 10'-1" ceiling heights. The
accessory should be ordered with the hood and be
on site before final framing and wall finishing.
4
Installation Preparation
POWER SUPPLY
IMPORTANT - (Please read carefully)
WARNING
FOR PERSONAL SAFETY, THIS
APPLIANCE MUST BE PROPERLY GROUNDED.
Remove house fuse or open circuit breaker before
beginning installation.
Do not use an extension cord or adapter plug with
this appliance. Follow National electrical codes or
prevailing local codes and ordinances.
Electrical supply
These vent hoods must be supplied with 120V, 60Hz,
and connected to an individual, properly grounded
branch circuit, and protected by a 15 or 20 amp circuit
breaker or time delay fuse.
■ W iring must be 2 wire with ground.
■ I f the electrical supply does not meet the above
requirements, call a licensed electrician before
proceeding.
■ R oute house wiring in the ceiling, as close to the
installation location as possible. Allow additional
length from ceiling joists to reach the junction box
on the bottom of the hood support frame.
■ C onnect the wiring to the house wiring in
accordance with local codes.
Grounding instructions
The grounding conductor must be connected to
a ground metal, permanent wiring system, or an
equipment-grounding terminal or lead on the hood.
WARNING
The improper connection of the
equipment-grounding conductor can result in a risk
of electric shock. Check with a qualified electrician or
service representative if you are in doubt whether the
appliance is properly grounded.
1" = 2.5 cm; 1' = 0.3 m
49-80329 Rev. 5
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