PLANNING DUCTWORK AND WIRING

DUCTWORK

1.Use 4" round duct.

2.Plan to run duct from the fan's discharge opening to the outside. For best fan performance, make duct run as short as possible and use minimum number of elbows.

3.Use optional NuTone ducting accessories as needed (refer to NuTone's catalog for a complete listing of optional accessories).

WIRING

Plan to run 120vAC house wiring (with ground) from a power source, through a standard wall switch or an optional NuTone double FAN/LIGHT switch, to the junction box in the Fan-Light's housing.

INSTALLATION IN A NEW

CONSTRUCTION SITE

PREPARATION

1.Unplug the power unit.

2.Refer to Figure 1. Remove power unit/blower assembly from the housing. Remove screw and pull power unit assembly tabs out of slots in housing. Set unit aside until needed.

3.Remove one of the wiring knockouts from housing.

MOUNTING THE HOUSING

USING SIDE MOUNTING TABS

Refer to Figure 2.

1.Locate housing next to ceiling joist.

2.Use wood screws (not provided) to loosely attach housing to ceiling joist through keyhole slots in mounting tabs.

3.Adjust housing so that it will be flush with the finished ceiling.

4.When housing is properly adjusted, tighten screws in slots.

USING HANGER BARS

(Hanger bars sold separately, order model HB4) Refer to Figure 3.

1.Insert hanger bars in slots provided in housing.

2.Locate fan housing between ceiling joists so that bottom of fan housing is even with the planned finished ceiling.

3.Use screws or nails to secure mounting brackets to ceiling joists.

INSTALLING DUCTWORK

1.Refer to Figure 1. Place duct collar over flanges at discharge opening of fan. Secure collar by snapping tabs into slots in flanges.

2.Refer to Figure 4. Run 4" round duct from outside to fan's discharge opening.

3.Connect duct to duct collar.

WIRING

KNOCKOUTS

MOUNTING

TABS

FIGURE 2

HANGER BARS

(SOLD SEPARATELY)

FIGURE 3

 

ROOF CAP

90° ELBOW

4" DIAMETER

DUCT

 

WALL CAP

 

FIGURE 4

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NuTone 770F Planning Ductwork and Wiring, Installation in a NEW Construction Site, Mounting the Housing
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770F specifications

The NuTone 770F is an innovative ventilation fan that seamlessly combines functionality with modern design. As part of NuTone's extensive range of home improvement solutions, the 770F stands out for its efficiency and style, making it an ideal choice for homeowners looking to enhance air quality while maintaining aesthetic appeal.

One of the key features of the NuTone 770F is its powerful ventilation capability. With a robust airflow rate, it effectively removes excess moisture, odors, and pollutants from the air, thus improving indoor air quality. This is particularly useful in bathrooms and kitchens where humidity levels can rise significantly. The fan’s efficient performance helps prevent mold and mildew growth, promoting a healthier living environment.

The NuTone 770F is equipped with advanced sound dampening technology, ensuring that it operates quietly. This feature is essential for areas like bathrooms where peace and tranquility are desired. The fan operates at noise levels that are barely perceptible, allowing users to enjoy their personal space without the distraction of loud mechanical sounds.

Energy efficiency is another hallmark of the NuTone 770F. Designed with modern energy-saving technologies, it helps reduce electricity consumption while delivering optimal performance. This not only lowers utility bills but also minimizes the environmental impact, making it a sustainable choice for eco-conscious homeowners.

In terms of installation, the NuTone 770F is designed for straightforward and convenient setup. It can be easily incorporated into existing ventilation systems or installed in new constructions. The product's compact design ensures that it fits well in various ceiling spaces without being obtrusive, while its sleek grille complements a range of interior designs.

Durability is also a significant characteristic of the NuTone 770F. Constructed with high-quality materials, it is built to withstand the rigors of daily use. The fan is easy to clean, ensuring that it remains in optimal condition over time.

Overall, the NuTone 770F is an excellent choice for individuals seeking a reliable, efficient, and stylish ventilation solution. Its combination of powerful moisture removal, quiet operation, energy efficiency, easy installation, and durability makes it a standout product in the market, providing both comfort and functionality in enhancing indoor air quality.
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