NuTone installation instructions Louvered Gable Fan, Model WF37, WF57NR, Mounting the FAN

INSTALLATION INSTRUCTIONS READ & SAVE THESE INSTRUCTIONS!

Louvered Gable Fan

MODEL: WF37, WF57NR

IMPORTANT SAFETY INSTRUCTIONS

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

A. To reduce the risk of fire or electric shock, do not use this fan with any solid-state speed control device.

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

C. 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.

CAUTION:

This unit has an unguarded impeller. Do not use in locations readily accessible to people or animals.

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 combustion 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.

MOUNTING THE FAN

•IMPORTANT: If fan is to be mounted on a wall that has an existing louver, the louver must be blocked off to allow for proper air circulation.

•For efficient operation, mount the fan as high as possible - keeping the top of fan louvers below house trim board.

•This unit must be securely mounted with screws.

•Seven (7) square feet of inlet area is required for WF-57NR.

•Five (5) square feet of inlet area is required for WF-37.

•Fan flange must be mounted to exterior surface of building.

BRICK CONSTRUCTION

Refer to Figure 1.

1.Select a location for the fan in the center of the gable. Prepare a 173⁄4" square opening.

2.Insert fan into opening from the outside of the home and secure in place with eight mounting screws through the flange.

3.Caulk all exposed edges of the mounting flange to prevent water seepage between fan and building.

BLOCK OFF	FIGURE 1
LOUVER IF ON
COMMON WALL
WITH FAN
	17 3⁄4"
	Square

FRAME CONSTRUCTION

Refer to Figure 2.

1.Select a location for the fan in the center of the gable. Prepare a

183⁄4" high by 173⁄4" wide opening and a support frame as illustrated in Figure 2.

2.Insert fan into opening and secure in place with eight mounting screws through the flange.

3.Caulk all exposed edges of the mounting flange to prevent water seepage between fan and building.

BLOCK OFF		FIGURE 2
LOUVER IF ON
COMMON WALL
WITH FAN
	173⁄4"	183⁄4"
163⁄4" DIA.	203⁄4"
101⁄2" DEEP
		213⁄4"

OPTIONAL ACCESSORY (Sold separately)

Model AHS-200 Automatic Heat Sensor will automatically shut down the Attic Fan if, for any reason, the temperature in the attic reaches 200°F.