NuTone 742RBNT warranty Decorative Series Ceiling Ventilators, Typical Installations, Page

MODELS 742RBNT • 742WHNT • 742SNNT

DECORATIVE SERIES CEILING VENTILATORS

Page 1

READ AND SAVE THESE INSTRUCTIONS

WARNING

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:

1.Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer at the address or telephone number listed in the warranty.

2.Before servicing or cleaning unit, switch power off at service panel and lock the service discon- necting means to prevent power from being switched on accidentally. When the service dis- connecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.

3.Installation work and electrical wiring must be done by a qualified person(s) in accordance with all applicable codes and standards, includ- ing fire-rated construction codes and standards.

4.Sufficient air is needed for proper combustion and exhausting of gases through the flue (chim- ney) of fuel burning equipment to prevent backdrafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National Fire Protection Association (NFPA), and the Ameri- can Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the lo- cal code authorities.

5.When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utili- ties.

6.Ducted fans must always be vented to the out- doors.

7.NEVER place a switch where it can be reached from a tub or shower.

8.This unit must be grounded.

9.This unit is U.L. listed. Type I.C. inherently pro- tected.

CAUTION !

1.For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.

2.This product is designed for ceiling installation only. This product is designed for installation in ceilings up to a 12/12 pitch. Ductwork must point up. DO NOT MOUNT THIS PRODUCT IN A WALL.

3.The light fixture assembly must be mounted to the fan housing assembly included with this prod- uct. Do not mount the light fixture assembly to a wiring outlet box.

4.To avoid motor bearing damage and noisy and/ or unbalanced impellers, keep drywall spray, construction dust, etc. off power unit.

5.Please read specification label on product for further information and requirements.

TYPICAL INSTALLATIONS

		4" ROUND
POWER CABLE	POWER CABLE	DUCT
MOUNTING TABS	MOUNTING TABS

CEILING
JOIST	HOUSING
	HOUSING

CEILING	GRILLE		CEILING	ADDITIONAL
	PAN			FRAMING	*
MATERIAL			MATERIAL
	GLASS			GRILLE PAN	CEILING
			GLASS		JOIST
	LIGHT SHADE
			LIGHT SHADE
HOUSING MOUNTED			HOUSING MOUNTED
DIRECTLY TO JOIST			TO ADDITIONAL FRAMING
2x6 (or larger)			Discharge 900 to joists.
Discharge parallel to joists.
POWER CABLE	ADDITIONAL			4" ROUND
				DUCT
MOUNTING	FRAMING	*	POWER CABLE
TABS

2 x 4			MOUNTING TABS
CEILING
JOIST or
TRUSS
	HOUSING		HOUSING
CEILING	GRILLE	2 x 4
	PAN		ADDITIONAL
MATERIAL
	GLASS	CEILING	FRAMING
		JOIST or	CEILING	2*x 4
	LIGHT SHADE	TRUSS		CEILING
		GLASS	MATERIAL
				JOIST or
HOUSING MOUNTED		LIGHT SHADE	GRILLE PAN
				TRUSS
	TO 2x4 TRUSS	HOUSING MOUNTED TO 2x4 TRUSS
Requires additional framing		Requires additional framing
for mounting tabs.		for mounting tabs.
Discharge parallel to joists.		Discharge 900 to joists.

	ADDITIONAL			4" ROUND
POWER CABLE			POWER CABLE	DUCT
		FRAMING *
MOUNTING			MOUNTING TABS
	TABS

	HOUSING		HOUSING
"I"	"I"		ADDITIONAL
JOIST CEILING	JOIST	"I"				"I"
			FRAMING		*
MATERIAL		JOIST				JOIST
	GRILLE		GRILLE
		GLASS		CEILING
GLASS LIGHT SHADE	PAN		PAN
		LIGHT SHADE		MATERIAL

HOUSING MOUNTED TO “I” JOIST	HOUSING MOUNTED TO “I” JOIST
Requires additional framing
	Requires additional framing
for mounting tabs.
	for mounting tabs.
Discharge parallel to joists.
	Discharge 900 to joists.

*Additional framing must be a 2x6 (minimum height), at least 9-inches long.

Installer: Leave this manual with the homeowner. Homeowner: Use and Care information on page 4.