Prepare and install the hood, Vent system

4.From the diagrams below, select the diagram for your installation.

Vented installations: Cut the vent system and electrical wiring access holes as required. Either wiring hole can be used.

Non-vented installations: Cut only the one 1-1/4" (3.2 cm) dia. wiring access hole required. If wiring through the top, use location shown in VERTICAL vent systems. If wiring through the back, use location shown in HORIZONTAL vent system.

5-1/4"
(13.3 cm)	7-1/2"
	(19.1 cm)
centerline

		wall 1-1/4"
5-1/2"	1-1/2"			2"
(14 cm)	(3.8 cm)		(3.2 cm)
			dia. hole	(5.1 cm)

3-1/4" x 10" (8.3 x 25.4 cm)

RECTANGULAR VERTICAL

vent system

centerline
8" (20.3 cm)	7-1/2"
dia. hole	(19.1 cm)

wall	5"	1-1/4"	2"
	(12.7 cm)	(3.2 cm)	(5.1 cm)
	(12.7 cm)	dia. hole	(5.1 cm)
		dia. hole

7" (17.8 cm)

ROUND VERTICAL

vent system

	centerline
	cabinet	1-1/4" (3.2 cm)
	cabinet	dia. hole
	front	dia. hole
	front

	1/8"	3/4"
	(3.2 mm)
		(19 mm)

3-3/4"	5-1/4"	7-1/2"
(9.5 cm)	(13.3 cm)	(19.1 cm)

3-1/4" x 10" (8.3 x 25.4 cm)

HORIZONTAL vent system

Prepare and install the hood

WARNING

Excessive Weight Hazard

Use two or more people to move and install range hood.

Failure to do so can result in back or other injury.

terminal box cover

5.Remove terminal box cover. Depending on your installation, remove either back or top wiring knockout.

6.Remove the rectangular damper/vent connector from hood. Set connector and screws aside for use if connecting to a rectangular vent system.

For vented installations, go to Step 7a.

For non-vented installations, go to Step 7c.

7a.For vented installations: Check that the louver cover is installed in front of hood.

Remove either top or rear rectangular vent knockout. If using round vent, remove both top rectangular and semi-circular knockouts.

7b.If using rectangular vent, attach rectangular damper/vent connection. Note: If the wall cap is directly behind the vent connector, the dampers in the connector and wall cap MUST NOT interfere with each other. Remove the vent connector damper if they interfere.

7c.For non-vented

installations: Remove louver cover from front of hood.

keyhole slot

front of hood

8.Lift the range hood up under cabinet and determine final position. Mark on the underside of cabinet the location of the four keyhole mounting slots. Set range hood aside on a protected surface.

drill pilot hole

9.Use 1/8" (or 3 mm) drill bit and drill 4 pilot holes as shown.

1/4"

(6.4 mm)

10.Remove the 4 hood mounting screws from the parts bag and install in pilot holes. Leave screw heads away from filler strips or cabinet bottom about 1/4" (6.4 cm)

11.If using direct wiring, make sure power is disconnected, and pull about 12" (30 cm) of wire through wall or cabinet and into opening.

12.Lift range hood into final position, feeding electrical wire through wiring opening. Position the range hood so that the large end of the keyhole slots are over the screws.Then push the hood toward the wall so that the screws are in the neck of the slots.Tighten mounting screws to cabinet, making sure mounting screws are in narrow neck of slots. Make sure that damper blade, if used, rotates up and down freely.

13.Connect ventwork to hood. Seal joints with duct tape to make the secure and air tight.

RH3730 specifications

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