Advance Planning, Duct Fittings, Decorative Duct Covers

Installation Instructions

ADVANCE PLANNING

Ductwork Planning

•This hood may be vented vertically through upper cabinets, soffit or ceiling. A duct transition piece is supplied for vertical exhaust. Use locally supplied elbows to vent horizontally through the rear wall. See page 13.

•Determine the exact location of the vent hood.

•Use the shortest and straightest duct route possible. For satisfactory performance, duct run should not exceed 100 equivalent length for any duct configurations.

•Refer to “Duct Fittings” chart to compute the maximum permissible length for duct runs to the outdoors.

•Use metal ductwork only.

•A transition piece for 7” round duct is supplied. Use 7” round duct or you may use 3¼” x 12” rectangular.

•Install a wall cap or roof cap with damper at the exterior opening. Order the wall or roof cap and any transition needed in advance.

Kit - JXDW1

Order kit JXDW1 if your installation requires horizontal ducting from the top of the hood through the back wall and:

•You have an 8 ft. ceiling and need to use a JXCH Series Chimney Cover, or

•You have a 12” cabinet or 12” soffit that the hood is to be mounted beneath.

This kit provides a duct transition from 7” round to 3¼” x 10” rectangular for through-the-wall venting.

Wall Framing for Adequate Support

•This vent hood is heavy. Adequate structural support must be provided. The hood must be secured to vertical studs in the wall. See page 14.

•We strongly recommend that the vent hood with duct cover be on site before final framing and wall finishing. This will also help to accurately locate the ductwork and electrical service.

DUCT FITTINGS

Follow these guidelines for proper duct sizing in the ducting charts.

DUCTING CHART - 30” and 36” Models

Equivalent Length in Feet for 7” Round Duct

100

125

150

	CFM	600
	CFM	500
	in	500
	in	300
	Volume	300
		400
	Air	200
		200

7” Round 90° Elbow = 8 ft.

7” Roof Cap = 30 ft.

MAXIMUM DUCT LENGTH: 7” dia. duct, should not exceed 100 equivalent feet.

DECORATIVE DUCT COVERS

A decorative duct cover is available to fit both model widths. The duct cover conceals the ductwork running from the top of the hood to the ceiling or soffit. The duct cover will fit 8 ft. to 10 ft. ceiling heights. See page 12 for details.

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

This vent hood 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.

•Wiring must be 2 wire with ground.

•If the electrical supply does not meet the above requirements, call a licensed electrician before proceeding.

•Route house wiring as close to the installation location as possible in the ceiling, soffit or wall. See page 13 for details.

•Connect 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 Ft = 0.3 m 1” = 2.5 cm

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