Mounting the Housing

READ & SAVE THESE INSTRUCTIONS! INSTALLATION INSTRUCTIONS

10" Round Ceiling Fan

MODEL: 8490 SERIES

IMPORTANT SAFETY INSTRUCTIONS

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

A. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer.

B. Before servicing or cleaning unit, switch power off at service panel and lock service panel to prevent power from being switched on accidentally.

When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.

CAUTION:

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

INSTALLATION INSTRUCTIONS

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

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

B. Sufficient air is needed for proper combusition and exhausting of

gases through the flue (chimney) of fuel burning equipment to prevent back drafting. Follow the heating equipment manufacturer's guideline and safety standards such as those published by the National Fire Protection Association (NFPA), and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities.

C. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.

D. Ducted fans must always be vented to the outdoors. E. If this unit is to be installed over a tub or shower, it must

be marked as appropriate for the application.

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

•Do not mount over tub or in shower stall enclosure.

•Suitable for use with solid-state speed control.

•CAUTION: To reduce risk of fire and to properly exhaust air, be certain the unit is ducted to the outside. Do not vent exhaust air into spaces within walls or ceiling or into attics, crawl spaces or garages.

•WARNING: Disconnect power before servicing.

INSTALLATION

IN EXISTING CONSTRUCTION

PREPARING THE INSTALLATION SITE

IMPORTANT: 18" minimum clearance space above ceiling is required.

1.Cut 11" diameter opening in ceiling adjacent to ceiling joist. Install header so that housing can be supported on two sides.

If opening cannot be located adjacent to joist, install two headers for proper housing support.

2.Disconnect power at circuit breaker. Run house wiring (with ground) from wall switch to fan location. IMPORTANT: Be certain all wiring complies with electrical codes and the unit is properly grounded.

TYPICAL INSTALLATION IN
EXISTING CONSTRUCTION	ROOF CAP
	(SOLD SEPARATELY)
8" DUCT
(PURCHASE LOCALLY)
	ADJUSTABLE
	MOUNTING
	BRACKET
	OUTLET BOX
MODEL 854 FILTER
(SOLD SEPARATELY)
	GRILLE SCREW
GRILLE

NOTE: The mounting brackets and hanger bars included with the unit will not be used for installation in existing construction.

1.Remove grille screw, motor bracket assembly and outlet box from the unit.

2.Remove tape from louvers and be certain both damper sections operate freely.

3.Position housing into the cutout. Feed house wiring through the outlet box opening.

NOTE: The housing must be positioned so that the joist

or header will not interfere with installation of the outlet box.

4.Using screws or nails, secure the housing to the joist/header(s) through the keyhole slots provided in sides of housing. Be certain plaster flange is against finished ceiling.

5.Connect 8" ductwork.

8490 specifications

The NuTone 8490 is a versatile and efficient ventilation solution designed primarily for residential bathrooms. Known for its powerful performance and quiet operation, the 8490 has gained popularity among homeowners and builders alike, making it a top choice in the market.

One of the standout features of the NuTone 8490 is its impressive airflow capacity. With a powerful motor that delivers up to 90 CFM (cubic feet per minute), this fan is suitable for medium to large-sized bathrooms, effectively removing excess moisture and odors. This capacity helps prevent the growth of mold and mildew, ensuring a healthier environment in your home.

Another significant advantage of the NuTone 8490 is its ultra-quiet operation. Engineered with a sound rating of 1.5 sones, it provides efficient ventilation without disrupting the peace of your home. Many users appreciate this feature, especially during quiet times such as early mornings or late evenings when a noisy fan can be particularly bothersome.

In addition to its performance, the NuTone 8490 boasts a sleek design that blends seamlessly into any bathroom decor. The fan’s white grille is unobtrusive and can complement a range of styles, enhancing the aesthetic appeal of your space. Additionally, the fan can be easily installed in various ceiling types, making it a practical choice for both renovation and new construction projects.

The NuTone 8490 also features a built-in light fixture, combining both lighting and ventilation in one unit. This integration saves space and streamlines the installation process. The light utilizes a standard 100-watt bulb, providing ample illumination for your bathroom tasks.

Furthermore, the unit is equipped with a durable housing designed for longevity and reliability. The high-quality materials used in the construction help minimize operational noise while ensuring the fan's durability over time.

In summary, the NuTone 8490 is a powerful, quiet, and stylish ventilation fan that tackles humidity and odor in bathrooms. Its combination of high airflow capacity, low noise levels, and integrated lighting makes it not only functional but also a smart aesthetic choice for contemporary homes. With the NuTone 8490, homeowners can enjoy a healthier and more pleasant bathroom environment.

NuTone 8490 important safety instructions Important Safety Instructions, Mounting the Housing

Models: 8490