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INSTALLATION INSTRUCTIONS

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Heat-A-Vent®

Combination

MODEL: 9905

In a new construction site, install the housing (complete with heater and ventilator) during rough-in construction of the building. The grille should be installed when the finished ceiling is in place.

Installation in an existing, finished building requires an accessible area (attic or crawl space) above the planned location. See “INSTALLATION IN EXISTING CONSTRUCTION.”

Do not install closer than 12 inches to a vertical surface. Do not install over tub or shower enclosure.

UNIT DIMENSIONS

Refer to Figure 1 for housing’s dimensions.

NOTE: If there will be a finished second floor above, the Model 9905 housing requires a minimum of 2" x 8" joist construction for mounting.

WIRING AND DUCTWORK

1.Run the required wiring during rough-in stage of construction.

2.Total connected load: 1630 watts.

3.Plan to run 120vAC, 60 Hz wiring (with ground) on a separate 20 Amp circuit from a power source, through the provided wall switch, to the housing’s junction box. See wiring diagram.

4.Use 4" round duct.

INSTALLATION IN

NEW CONSTRUCTION

PREPARATION

1.Loosen hanger bar brackets to allow bars to be inserted.

2.Refer to Figure 2. Insert hanger bars into brackets.

3.Refer to Figure 3. Slide hanger bar brackets down to end of slot closest to outside edge of housing. Tighten brackets in this position.

4.Refer to Figure 4. Remove junction box cover by removing one screw.

5.Refer to Figure 4. Remove appropriate wiring knockout(s) and install approved box connector(s).

93⁄4"

73⁄4"

14"

FIGURE 1

	HANGER BARS
	FIGURE 2
	VENT
	JUNCTION
	BOX
	COVER
	HEAT
ADJUSTMENT
SLOT
FIGURE 3	KNOCKOUTS
FIGURE 3	FIGURE 4

9905 specifications

The NuTone 9905 is an innovative and versatile ventilation fan designed to enhance air quality while seamlessly integrating into a variety of spaces such as bathrooms, kitchens, and utility rooms. With its compact design and effective features, it provides a practical solution for moisture management and odor control, ensuring a healthier indoor environment.

One of the main features of the NuTone 9905 is its powerful airflow capability. It boasts a robust motor that efficiently moves air, helping to eliminate humidity and unpleasant odors quickly. The fan's airflow rating is ideal for spaces up to 105 square feet, making it suitable for small to medium-sized areas. This ensures that any moisture buildup from showers or cooking is promptly removed, reducing the risk of mold and mildew growth.

The NuTone 9905 is designed with user convenience in mind. It operates quietly, ensuring that it does not disrupt daily activities. Its noise level is particularly low, allowing for comfortable conversations or relaxation in the vicinity. The fan includes a stylish grille that blends easily with any ceiling décor, adding an unobtrusive element to home interiors.

In terms of technology, the NuTone 9905 incorporates a durable, reliable motor designed for longevity and energy efficiency. The fan operates on a standard 120-volt power supply, making it compatible with most residential electrical systems. Additionally, its easy-to-install design allows homeowners or professionals to set it up with minimal effort.

Another notable characteristic of the NuTone 9905 is its versatility. It can be wall or ceiling-mounted, providing flexibility in installation based on the specific layout and needs of a space. The fan is also humidity-sensing, which automatically adjusts operation based on moisture levels, offering convenience and energy savings.

Safety is a priority with the NuTone 9905, as it comes equipped with a thermal overload protection feature, preventing the motor from overheating during extended use. This not only enhances its reliability but also adds peace of mind for users.

In summary, the NuTone 9905 is an effective and efficient ventilation solution with features that cater to modern living. Its powerful performance, low noise operation, user-friendly installation, and advanced safety features make it a top choice for those looking to improve indoor air quality in their homes.