Installation Instructions

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Whole House Ventilator

MODEL WHV-20

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.

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.

WARNING: To reduce the risk of fire or electric shock, use only NuTone specified solid-state speed control as indicated on this products data label.

•Designed for installation between 24" OC ceiling joist with no framing necessary. If the building structure has 16" OC joist, this unit will require framing.

•Discharge opening requires one (1) square foot for every 750 CFM of fan rating.

221/2"	261/2"
	261/2"
	CUTOUT
	FIGURE 1
223/8"	263/8"
101/4"
MOUNTING
CLIPS
2" x 6" JOIST

2" x 4" JOIST

FIGURE 2

FAN INSTALLATION

1.Select location for fan in ceiling.

2.Locate ceiling joists.

3.Refer to Figure 1. Using a right angle square to mark location of cutout for unit size 221/2" x 261/2" long.

4.Refer to Figure 2. Cutout in ceiling must be directly in line with the inside face of joists.

5.Refer to Figure 2. The mounting clips on this unit are mounted for 2" x 4" construction. After determining size of joist, relocate the mounting clips if necessary and reassemble securely.

6.Refer to Figure 3. Push fan housing into ceiling cutout. Support clips will hold housing in place on joists.

7.Push fan housing flush to ceiling and drill mounting holes in joists through holes in housing and secure in place with screws provided (No. 12 x 1" wood screw.)

WHV-20 specifications

The NuTone WHV-20 is a high-performance ventilation fan designed to enhance indoor air quality while providing superior comfort in various settings. As part of NuTone's acclaimed lineup of ventilation solutions, the WHV-20 is engineered with efficiency, durability, and user convenience in mind.

One of the primary features of the WHV-20 is its powerful yet quiet motor. This fan is equipped with a robust motor that delivers an impressive airflow rate, ensuring the effective removal of excess moisture, odors, and pollutants from your space. With a decibel rating that promotes a quiet operation, the WHV-20 provides a comfortable environment without the disruptive noise associated with many traditional fans.

The design of the WHV-20 is another aspect that sets it apart. It comes with a streamlined grill that seamlessly blends with various interior aesthetics, making it an ideal choice for bathrooms, kitchens, laundry rooms, or any place that requires adequate ventilation. The included easy-to-clean grill adds convenience, allowing homeowners to maintain the unit without hassle.

Additionally, NuTone emphasizes energy efficiency in the WHV-20’s design. The fan is designed to maximize performance while consuming minimal energy, helping users save on their electricity bills. The Energy Star certification further ensures that this model adheres to strict energy efficiency guidelines, contributing to a greener environment.

Installation is made easy with the WHV-20, as it comes with a user-friendly mounting system that accommodates both new construction and retrofit applications. The unit is compatible with various duct sizes, making it versatile for different home layouts.

Another notable characteristic is the fan's innovative technology, including the use of ECM (Electronically Commutated Motor) technology, which not only enhances performance but also prolongs the lifespan of the unit. The ECM motor offers a smooth and efficient operation, reducing wear and tear on the fan components.

In conclusion, the NuTone WHV-20 stands out as an excellent ventilation solution with its impressive airflow, quiet operation, energy efficiency, and stylish design. Whether you need it for a bathroom, kitchen, or utility space, this fan promises to enhance air quality while remaining unobtrusive and seamlessly integrated into your home's décor. Its combination of powerful performance and modern technology makes it a top choice for homeowners seeking reliable ventilation solutions.