MOUNTING THE HOUSING

1.Locate housing between joists.

2.Refer to Figure 5. Using nails, secure hanger bars to joists.

NOTE: The hanger bar brackets are adjustable.

Allowing for the thickness of the finished ceiling, mount hanger bars so that edge of housing will be flush with the finished ceiling.

3. Adjust brackets as required. Tighten brackets.

INSTALLING THE DUCTWORK

1.Refer to Figure 5. Install duct collar.

2.Using 4" round duct, connect duct to collar and tape connection.

INSTALLING THE SWITCH

1.Install double-gang switch box in chosen location.

2.Refer to Figure 6. Run wiring and make wiring connections.

3.Use supplied screws to secure switch bracket assembly to switch box.

4.Using supplied screws, secure wall plate to switch bracket.

INSTALLING AND CONNECTING THE WIRING

Refer to Figure 6.

All wiring must comply with local codes and unit must be properly grounded.

1.Using 12-gauge wire, run 120vAC, 60 Hz wiring (with ground) from a power source to the wall switch location.

The unit must be wired on a separate 20 Amp circuit.

2.Run wiring from switch location to housing as shown in the wiring diagram.

3.Make wiring connections as shown in wiring diagram.

4.Replace junction box cover. Slide slotted hole in cover over screw. Tighten screw securely.

5.Secure wire cover with one screw.

6.Insert heater and ventilator plugs into proper receptacles as shown.

DUCT COLLAR

FIGURE 5

HEATER

JUNCTION BOX

HEATER (WHITE)

WHTRED

VENT

WHTBLU.

T

MOUNTING THE GRILLE ASSEMBLY

1.Refer to Figure 7. Using two screws (provided), secure grille to housing.

SWITCH

BOX

GROUND

VENT

HEAT

WHITE

BLACK

NOTE:

WHEN THERMOSTAT OR TIMER IS USED, CONNECT AT T

120vAC

LINE

FIGURE 6

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NuTone 9905 Mounting the Housing, Installing the Ductwork, Installing the Switch, Installing and Connecting the Wiring

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.

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