The Broan 688 ventilation fan is a compact, durable, and quiet solution for small bathrooms or powder rooms. Designed to handle up to 45 square feet of space, this 50 CFM (cubic feet per minute) fan provides sufficient airflow to remove odors and moisture, helping to prevent mold and mildew buildup. With its corrosion-resistant galvanized steel construction and quiet operation at 4.0 sones, it is an ideal choice for environments where low noise and reliable performance are essential. This article explores the key features of the Broan 688 model, its installation process, and how it can be upgraded with LED lighting and Bluetooth capabilities using the FG800SPKS grille.
Overview of the Broan 688 Ventilation Fan
The Broan 688 model is a standard bathroom exhaust fan suited for smaller spaces. It features a compact design that supports both ceiling and wall mounting, making it a flexible option for various installation scenarios. The fan’s galvanized steel housing ensures durability in high-moisture environments, and the polymer grille provides a clean, modern appearance that matches most common ceiling paint colors.
The 50 CFM rating is sufficient for small bathrooms up to 45 square feet, ensuring effective air exchange without excessive noise. At 4.0 sones, the fan operates quietly, minimizing disruption while in use. Additionally, the fan includes a permanently lubricated AC motor engineered for continuous operation, and a double-strength mounting flange with keyhole slots for secure installation.
A notable feature of the Broan 688 is the inclusion of a quiet polymeric damper that prevents cold air from entering the room through the ductwork while eliminating the metallic clatter associated with traditional dampers. These design choices contribute to a reliable and energy-efficient ventilation solution.
Installation Process for the Broan 688
Installing the Broan 688 involves a straightforward process that can typically be completed by a homeowner with basic tools and electrical knowledge. Below is a step-by-step guide based on the specifications and features outlined in the provided documentation.
Step 1: Measure and Prepare the Installation Site
Before beginning the installation, it is important to measure the dimensions of the fan housing to ensure compatibility with the existing cutout in the ceiling or wall. The Broan 688 has a housing size of 9 inches in length and 9-1/4 inches in width. If the existing cutout does not match these dimensions, adjustments may be necessary.
It is also essential to confirm that the electrical supply in the installation area is compatible with the fan’s requirements. The Broan 688 operates on 120 volts and draws 0.9 amps. A dedicated circuit or a properly wired switch-controlled circuit is recommended for safe operation.
Step 2: Mounting the Fan
The Broan 688 includes double-strength mounting flanges with keyhole slots, allowing for secure and stable installation. These flanges can be adjusted to accommodate different ceiling thicknesses and ensure the fan is level. The installation process involves securing the fan housing to the ceiling or wall using the provided hardware and ensuring that the mounting flanges are tightly fastened.
The fan also includes a duct size of 3 inches in diameter, which should be connected to the ductwork leading to the exterior of the building. It is important to ensure that the duct is properly sealed to prevent air leaks and to maintain the efficiency of the ventilation system.
Step 3: Connecting the Electrical Wires
Once the fan is mounted, the next step is to connect the electrical wires. The Broan 688 does not require an electrical knockout to be removed, simplifying the wiring process. The fan includes a standard receptacle that allows for easy connection to the power supply.
The wiring should be connected to the fan’s motor according to the manufacturer’s instructions. Typically, this involves connecting the line (hot) wire to the fan’s motor terminal and the neutral wire to the appropriate grounding point. It is important to ensure that the electrical connections are secure and properly insulated to prevent electrical hazards.
Step 4: Attaching the Grille
The Broan 688 includes a polymer grille that is designed to provide a clean, professional appearance. The grille is attached using mounting springs that are included with the fan. To install the grille, the user should pull down the grille by approximately 2 inches and squeeze the mounting springs to release it from the housing. Once the grille is removed, it can be reattached by aligning the mounting springs with the corresponding slots on the housing and pressing it into place.
The polymer grille is resistant to corrosion and is designed to stay clean longer due to its reduced number of vent slots. This feature helps to reduce the frequency of cleaning and maintenance required for the fan.
Upgrading the Broan 688 with LED Lighting and Bluetooth
The Broan 688 ventilation fan can be upgraded with an LED light and Bluetooth speaker using the FG800SPKS grille. This upgrade allows users to transform a standard ventilation fan into a multifunctional unit that provides both ventilation and ambient lighting, as well as the ability to play audio content.
Features of the FG800SPKS Grille
The FG800SPKS grille is a quick-install upgrade that requires no additional wiring or cutting. It is compatible with a wide range of Broan and NuTone fan models, including the Broan 688. The grille includes a built-in LED light that produces 600 lumens of soft, warm white light with a color temperature of 3000K. The LED light has an estimated lifespan of 25,000 hours, significantly reducing the need for bulb replacements.
In addition to the LED light, the FG800SPKS includes a Bluetooth speaker that allows users to play music, podcasts, or news from their mobile devices. The speaker connects wirelessly via Bluetooth, eliminating the need for additional wiring or installation. The grille is designed with fewer vent slots to reduce dust accumulation and maintain a clean appearance over time.
Installation of the FG800SPKS Grille
The FG800SPKS grille is designed for a quick and easy installation that can be completed in under five minutes. The grille includes a pass-thru plug that allows the user to connect the fan motor to the grille without the need for additional wiring. The installation process involves the following steps:
Remove the Existing Grille: Pull down the existing grille by approximately 2 inches and squeeze the mounting springs to release it from the fan housing.
Attach the FG800SPKS Grille: Align the new grille with the fan housing and insert the pass-thru plug into the fan’s receptacle. The motor can then be plugged into the grille’s pass-thru plug, completing the electrical connection.
Secure the Grille: The grille includes two sets of mounting springs for use with multiple fan models. Ensure that the springs are properly engaged to secure the grille in place.
Test the LED Light and Bluetooth Speaker: Once the grille is installed, turn on the fan and test the LED light and Bluetooth speaker to ensure proper functionality.
The FG800SPKS grille is compatible with a wide range of fan models, including the Broan 688. It is UL approved for use with the following models: Broan 576, 670, 671, 674, 676, 678, 679, 680, 683, 684, 688, 689, 770, 771, 784, 679L, 683C, 683L, E050, E070, ED50L, HD50, HD50L, HD80, HD80L, as well as various NuTone and Nautilus models.
Considerations for Installation and Maintenance
When installing the Broan 688 ventilation fan or upgrading it with the FG800SPKS grille, it is important to consider a few key factors to ensure a successful and long-lasting installation.
Compatibility with Existing Cutouts
The Broan 688 is designed to fit standard ceiling or wall cutouts with dimensions of 7½” x 7¼” or 8¼” x 8”. If the existing cutout does not match these dimensions, it may be necessary to adjust the cutout or use an adapter to ensure a secure fit. The FG800SPKS grille is also designed to fit these standard dimensions, making it a convenient upgrade option.
Electrical Requirements
The Broan 688 operates on a standard 120V electrical supply and draws 0.9 amps. It is important to ensure that the electrical circuit in the installation area is properly wired and capable of supporting the fan’s power requirements. A dedicated circuit or a properly configured switch-controlled circuit is recommended for optimal performance and safety.
Maintenance and Cleaning
The Broan 688 is designed to be low maintenance, but regular cleaning of the grille and ductwork is recommended to ensure optimal performance. The polymer grille is designed to stay clean longer due to its reduced number of vent slots, but dust and debris can still accumulate over time. A simple cleaning with a soft cloth or vacuum can help maintain the fan’s efficiency and appearance.
The FG800SPKS grille is also designed to be easy to clean. The reduced number of vent slots minimizes the amount of dust that can accumulate, and the polymer construction resists corrosion and staining. The LED light and Bluetooth speaker require no maintenance, but it is recommended to periodically check the connections to ensure they remain secure and functional.
Conclusion
The Broan 688 ventilation fan is a reliable and efficient solution for small bathrooms and powder rooms. With its 50 CFM airflow, quiet operation, and corrosion-resistant construction, it provides effective ventilation without excessive noise or maintenance. The installation process is straightforward and can be completed with basic tools and electrical knowledge.
For users looking to enhance the functionality of their ventilation system, the FG800SPKS grille offers a convenient upgrade option. This quick-install grille adds LED lighting and Bluetooth capabilities, transforming a standard fan into a multifunctional unit that supports both ventilation and ambient lighting. The installation of the FG800SPKS grille is simple and can be completed in under five minutes without the need for additional wiring or cutting.
Whether used as a standalone ventilation fan or upgraded with LED lighting and Bluetooth, the Broan 688 provides a versatile and durable solution for small bathroom spaces.