1. Important Safety Instructions
Read and save these instructions before installing or using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always disconnect power at the service panel before wiring or servicing this unit.
- All wiring must be performed by a qualified electrician in accordance with all applicable codes and standards, including fire-rated construction codes and standards.
- This unit is designed for general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
- To reduce the risk of fire or electric shock, do not use this fan with any solid-state speed control device.
- This product must be properly grounded.
- When used over a shower or bathtub, connect to a Ground Fault Circuit Interrupter (GFCI) protected branch circuit.
2. Product Overview
The Broan-NuTone 8664RP is a high-quality bathroom exhaust fan combined with a 100-watt incandescent light. It is designed to quickly reduce humidity and odors in bathrooms up to 95 sq. ft., ensuring a comfortable environment. The unit features a unique round white grille and a frosted lens, allowing for flexible placement and discreet blending with ceiling decor.
Image: Broan-NuTone 8664RP Exhaust Fan and Light, showing the complete unit with its round white grille and frosted light lens.
Image: Close-up view of the NuTone 8664RP Designer Fan and Light, highlighting the round white grille design.
3. Specifications
| Feature | Specification |
|---|---|
| Brand | Broan-NuTone |
| Model Name | 8664RP |
| Air Flow Capacity | 100 CFM (Cubic Feet Per Minute) |
| Recommended Room Size | Up to 95 sq. ft. |
| Noise Level | 5.0 Sones (moderate sound level) |
| Light Wattage | Up to 100-watt incandescent (bulb not included) |
| Light Bulb Base Code | E26 |
| Power Source | AC (120V) |
| Product Dimensions | 15"D x 15"W x 7.63"H |
| Duct Connector Size | 4 inches |
| Installation Type | Ceiling Mount |
4. Package Contents
Verify that all components are present before beginning installation:
- Exhaust Fan Housing Assembly
- Motor and Blower Wheel Assembly
- Grille with Frosted Light Lens
- 24-inch Adjustable Hanger Bar System
- 4-inch Duct Connector
- Hardware Pack (screws, wire nuts)
- Instruction Manual
5. Installation
This section provides general installation guidelines. Always refer to the detailed diagrams and instructions included in your physical manual for precise steps.
5.1 Pre-Installation Checks
- Ensure power is OFF at the service panel before starting any work.
- Confirm the mounting location is suitable and can support the fan's weight.
- Gather necessary tools: screwdriver, wire strippers, drill, tape measure, utility knife, safety glasses.
5.2 Mounting the Housing
The fan housing is designed for easy installation using the included 24-inch adjustable hanger bar system. This system allows for flexible positioning between joists.
- Attach the hanger bars to the fan housing.
- Extend the hanger bars to span between ceiling joists.
- Secure the hanger bars to the joists using appropriate fasteners.
- Ensure the housing is level and securely fastened.
A typical dimension diagram for this type of fan shows a 15-inch diameter for the visible grille, with the housing measuring approximately 9 inches by 9 inches and a depth of about 6 inches, and a 4-inch duct connection. These dimensions are crucial for rough-in and ensuring proper fit.
5.3 Connecting Ductwork
Connect a 4-inch round duct to the fan's duct connector. Use duct tape or clamps to ensure a secure and airtight connection. Route the duct to an outdoor vent, minimizing bends for optimal airflow.
5.4 Electrical Wiring
The fan and light can be wired for simultaneous or separate operation, depending on your preference and existing wiring. Consult a qualified electrician if you are unsure about wiring procedures.
- Remove the wiring compartment cover.
- Connect household wiring to the fan's wiring according to the provided wiring diagram in your physical manual. Ensure all connections are secure and insulated.
- Replace the wiring compartment cover.
5.5 Installing Grille and Light Lens
Once the housing and wiring are complete, install the grille and light lens.
- Install a 100-watt maximum, E26 base incandescent bulb (not included) into the light socket.
- Attach the grille assembly to the fan housing using the provided springs or clips.
- Ensure the grille is flush with the ceiling surface.
Video: Broan Bath Ventilation Fans Product Line. This video provides a general overview of Broan-NuTone's ventilation fan product line and may offer visual context for fan types and features, though not specific installation steps for model 8664RP.
6. Operation
The Broan-NuTone 8664RP fan and light are operated via standard wall switches. If wired for separate operation, you will have individual control over the fan and the light.
- Fan Operation: Flip the designated wall switch to turn the exhaust fan ON or OFF. The fan will begin to extract air from the bathroom.
- Light Operation: Flip the designated wall switch to turn the light ON or OFF. Ensure a compatible 100-watt maximum, E26 base incandescent bulb is installed.
For optimal humidity control, operate the fan during and after showering until moisture has cleared from the bathroom.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your exhaust fan and light.
7.1 Cleaning the Grille
Clean the grille periodically to prevent dust buildup, which can restrict airflow.
- Turn OFF power to the fan at the service panel.
- Carefully pull down the grille to disengage the mounting springs.
- Wash the grille in warm, soapy water. Rinse thoroughly and dry completely before reinstallation.
- Reattach the grille by squeezing the mounting springs and inserting them into the slots in the housing.
7.2 Light Bulb Replacement
To replace the light bulb:
- Turn OFF power to the fan at the service panel.
- Carefully remove the grille as described in section 7.1.
- Unscrew the old bulb and replace it with a new 100-watt maximum, E26 base incandescent bulb.
- Reinstall the grille.
7.3 Motor and Blower Wheel Cleaning
If the fan performance decreases, the motor and blower wheel may require cleaning. This should only be attempted if you are comfortable with electrical components.
- Turn OFF power to the fan at the service panel.
- Remove the grille.
- Carefully disconnect the motor assembly from the housing (refer to your physical manual for specific steps).
- Clean the blower wheel and motor housing with a soft cloth or brush. Do not immerse the motor in water.
- Reassemble the motor and grille. Restore power.
8. Troubleshooting
If your Broan-NuTone 8664RP is not functioning as expected, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not operate | No power to the unit; loose wiring; faulty motor; tripped circuit breaker/GFCI. | Check circuit breaker/GFCI. Ensure power is ON. Verify wiring connections (with power OFF). If motor is faulty, replacement may be needed. |
| Light does not operate | Burned out bulb; loose wiring; faulty light socket. | Replace bulb. Check wiring connections (with power OFF). If socket is faulty, contact support. |
| Fan is noisy | Dirty blower wheel; loose mounting; duct restriction; motor issue. | Clean blower wheel. Ensure housing is securely mounted. Check ductwork for obstructions. If noise persists, motor may need inspection. |
| Poor ventilation | Restricted airflow due to dirty grille/duct; undersized fan for room. | Clean grille and ductwork. Ensure duct is properly sized and routed. |
If troubleshooting steps do not resolve the issue, contact Broan-NuTone customer support or a qualified electrician.
9. Warranty and Support
Broan-NuTone products are manufactured to high-quality standards and are backed by a limited warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official Broan-NuTone website.
For technical assistance, replacement parts, or further inquiries, please contact Broan-NuTone customer support. You can find contact information and additional resources on the Broan-NuTone Store on Amazon or their official website.
