aprilaire 700 installation manual

This manual provides comprehensive instructions for installing the Aprilaire 700 Series Humidifier. It covers safety precautions, tools and materials, installation location, wiring connections, system checkout, and maintenance. The manual also includes troubleshooting tips and warranty information.

Introduction

Welcome to the Aprilaire 700 Series Humidifier installation manual. This manual is designed to guide you through the installation process of the Aprilaire 700 and 700M whole-house humidifiers. These models are designed to enhance indoor air quality and comfort by adding moisture to the air, combating dryness and improving overall well-being. They are compatible with forced air heating and cooling systems, ensuring seamless integration into your home’s existing HVAC system. This manual provides detailed instructions, diagrams, and safety information to ensure a successful installation and proper operation of your Aprilaire 700 Series Humidifier. Whether you are a homeowner, HVAC professional, or simply curious about the installation process, this manual serves as your comprehensive guide.

Before beginning installation, carefully read all safety instructions and the installation template provided. Proper installation is crucial for both the functionality and safety of your Aprilaire 700 Series Humidifier. Incorrect installation can lead to performance issues, potential damage to your system, and even safety hazards. Follow the step-by-step instructions in this manual diligently, and consult a qualified heating and air conditioning contractor if you have any questions or require assistance. By adhering to these guidelines, you will ensure a smooth and successful installation, allowing you to enjoy the benefits of a properly functioning Aprilaire 700 Series Humidifier for years to come.

Safety Precautions

Your safety and the safety of others are paramount during the installation of your Aprilaire 700 Series Humidifier. It is essential to follow these safety precautions to prevent accidents, injuries, and potential damage to your system and property.

Before beginning installation, disconnect electrical power to the furnace. This crucial step ensures that you are working in a safe environment and prevents electrical shock hazards.

Never install the humidifier in areas where freezing temperatures could occur. The water line could freeze and crack, leading to leaks and damage.

Do not install the humidifier on the furnace jacket. This could lead to overheating and potential damage to the furnace.

Avoid installing the humidifier on a plenum face where blanked-off ends of the cooling coil restrict airflow. This can impede proper operation and reduce the humidifier’s effectiveness.

Do not connect the Model 700M or 700A power cord to multi-speed furnace blower motors or blower motors other than 120 VAC. This could lead to premature component failure. Use a Research Products Corporation Model 50 Current Sensing Relay for optimal compatibility.

When installing the Aprilaire Humidifier Control on a downflow furnace, ensure the blower continues to run after a heat call is satisfied. This prevents high temperatures from damaging the humidifier.

Tools and Materials

Before embarking on the Aprilaire 700 Series Humidifier installation, gather the necessary tools and materials to ensure a smooth and efficient process. This list provides a comprehensive guide, ensuring you have everything at hand for a successful installation⁚

• Screwdriver⁚ A Phillips head screwdriver is essential for securing screws during the installation process.
• Drill⁚ A drill with appropriate drill bits is needed for creating holes for mounting brackets and securing wiring.
• Tape measure⁚ Use a tape measure for precise measurements during the installation process. This ensures proper fit and alignment.
• Level⁚ A level is crucial for ensuring that the humidifier is installed correctly, preventing unevenness and potential performance issues.
• Wire strippers⁚ Wire strippers are essential for preparing wire ends for connections, ensuring proper conductivity and preventing short circuits.
• Wire cutters⁚ Wire cutters are necessary for trimming excess wire lengths, ensuring a neat and organized installation.
• Pliers⁚ Pliers can be helpful for gripping and manipulating components during installation.
• Utility knife⁚ A utility knife is useful for cutting and trimming insulation materials and making precise cuts for mounting brackets.
• Safety glasses⁚ Always wear safety glasses to protect your eyes from flying debris during the installation process.
• Work gloves⁚ Wearing work gloves provides a good grip and protects your hands from potential cuts or scratches.

Having these tools and materials readily available will significantly enhance the installation process, making it easier and more efficient;

Installation Location

Selecting the ideal installation location for your Aprilaire 700 Series Humidifier is crucial for optimal performance and longevity. Careful consideration of several factors will ensure a successful installation that maximizes efficiency and minimizes potential issues. Here are some key points to keep in mind⁚

• Avoid Freezing Temperatures⁚ The Aprilaire 700 should never be installed in an area where freezing temperatures could occur. This is because freezing water within the water lines could lead to damage and require costly repairs.
• Avoid Furnace Jacket⁚ Installing the humidifier directly on the furnace jacket is not recommended. Doing so could lead to excessive heat buildup, potentially damaging the humidifier.
• Consider Airflow⁚ Ensure that the installation location allows for unimpeded airflow around the humidifier. Avoid placing it in a position where cooling coils or other obstructions restrict air circulation.
• Supply Plenum or Cold Air Return⁚ The Aprilaire 700 Series Humidifier can be installed either on the supply plenum or the cold air return of a forced air handling system. Consider the dimensions and serviceability of the humidifier when selecting the best location.
• Avoid Multi-Speed Blower Motors⁚ Do not connect the Aprilaire 700 power cord to multi-speed furnace blower motors or blower motors other than 120 VAC. This could lead to premature component failure.
• Downflow Furnaces⁚ When installing on a downflow furnace, ensure the blower continues to run after a heat call is satisfied. This helps to prevent high temperatures from damaging the humidifier.
• Water Pressure⁚ The Aprilaire 700 should not be installed where water pressure exceeds 125 psi. Follow local codes concerning pressure reduction to protect the humidifier from damage.
• Static Pressure⁚ Avoid installing the humidifier on the supply plenum where static pressure is high. This could strain the humidifier and lead to performance issues.

By carefully considering these factors and adhering to the manufacturer’s recommendations, you can ensure a safe and effective installation that maximizes the performance and longevity of your Aprilaire 700 Series Humidifier.

Humidifier Installation

Installing the Aprilaire 700 Series Humidifier requires careful attention to detail and adherence to the manufacturer’s instructions. This section outlines the steps involved in installing the humidifier itself, ensuring proper connection and integration with your HVAC system.

1. Prepare the Installation Area⁚ Ensure the area where you’ll install the humidifier is clean and free of obstructions. If necessary, use a utility knife to cut a hole in the plenum or return duct for the humidifier to fit.
2. Install the Humidifier⁚ Carefully position the humidifier in the prepared opening, ensuring it’s securely mounted. Use the provided mounting brackets or screws to secure the humidifier in place.
3. Connect the Water Line⁚ Connect the water line to the humidifier, using a saddle valve to tap into your cold water supply line. Ensure the connection is tight and secure.
4. Install the Drain Line⁚ Connect the drain line to the humidifier outlet and run it to a suitable drainage point. The drain line should be properly sloped to ensure efficient water drainage.
5. Install the Water Panel⁚ Carefully install the water panel in the humidifier, ensuring it’s properly seated and secured. The water panel is essential for efficient evaporation.
6. Install the Fan and Motor⁚ Install the fan and motor assembly, ensuring it’s securely attached and properly aligned. The fan and motor assembly are responsible for distributing humidified air throughout your home.
7. Install the Front Cover⁚ Attach the front cover to the humidifier, ensuring it’s securely fastened. The front cover provides a finished appearance and protects the internal components.

After completing these steps, double-check all connections and ensure the humidifier is securely mounted. Before proceeding to the next step, refer to the manufacturer’s instructions for detailed information on specific installation procedures and safety precautions.

Wiring Connections

Connecting the Aprilaire 700 Series Humidifier to your HVAC system’s wiring requires careful attention to ensure proper operation and safety. This section provides a general overview of the wiring process, but it’s crucial to consult the manufacturer’s instructions and seek assistance from a qualified HVAC technician if you are unsure about any aspect of the wiring.

1. Disconnect Power⁚ Before beginning any wiring, always disconnect power to the furnace and humidifier to prevent electrical shock. This is a critical safety precaution.
2. Locate Wiring Terminals⁚ Identify the appropriate wiring terminals on the humidifier and the furnace or HVAC control system. Refer to the manufacturer’s wiring diagrams for accurate terminal identification.
3. Connect 24VAC Power⁚ Connect the 24VAC power wires from the furnace or HVAC control system to the corresponding terminals on the humidifier. Ensure the connections are secure and properly insulated.
4. Connect the Humidifier Control⁚ If you are using the Aprilaire Digital Humidifier Control, connect the control’s wiring to the appropriate terminals on the humidifier. Consult the control’s installation manual for specific wiring instructions.
5. Connect the Current Sensing Relay (Optional)⁚ If using the Model 50 Current Sensing Relay, connect it to the 24VAC humidifier control circuit. Do not install the relay in the transformer circuit.
6. Connect the Power Cord⁚ Connect the humidifier’s power cord to a dedicated 120VAC power source. Ensure the power source is rated for the humidifier’s power requirements.
7. Double-Check Connections⁚ After completing all wiring connections, double-check every connection for tightness and proper insulation. Ensure all wires are securely fastened and insulated to prevent electrical hazards;
8. Restore Power⁚ Once you have carefully inspected all connections, restore power to the furnace and humidifier.

Remember, this is a general guide. It’s essential to consult the manufacturer’s specific wiring diagrams and instructions for your Aprilaire 700 Series Humidifier model. If you have any doubts, seek assistance from a qualified HVAC technician.

Humidifier Control Installation

The Aprilaire Digital Humidifier Control is a vital component of your system, providing precise humidity regulation. Proper installation of the control is crucial for optimal performance and comfort. This section outlines the general steps involved in installing the control, but always refer to the manufacturer’s instructions and seek professional assistance if needed.

1. Choose the Right Location⁚ The control should be installed in the cold air return duct, ideally close to the humidifier. Ensure the location provides adequate airflow and easy access for adjustments and maintenance.
2. Prepare the Duct⁚ Cut a hole in the return duct to accommodate the control housing. The exact dimensions will depend on the control model. Ensure the opening is sealed properly to prevent air leaks.
3. Secure the Control⁚ Mount the control housing to the duct using the provided mounting brackets. Ensure the control is securely fastened and level.
4. Connect Wiring⁚ Connect the wiring from the control to the corresponding terminals on the humidifier. Refer to the control’s installation manual for detailed wiring instructions.
5. Run the Test Cycle⁚ After connecting the wiring, run the humidifier control through a test cycle. This will verify that the control is functioning correctly. The control may display a software revision level during this cycle.
6. Adjust Settings⁚ During the first heating season, adjust the control settings to match your home’s specific humidity requirements. The control dial allows you to fine-tune the humidity level to your preference. Refer to the control’s instructions for detailed adjustments.
7. Monitor and Adjust⁚ Regularly monitor the humidity level in your home and adjust the control settings as needed to maintain optimal comfort.

Remember, this is a general guide. Always follow the manufacturer’s instructions for your specific Aprilaire Digital Humidifier Control model. Seeking assistance from a qualified HVAC technician is recommended if you have any doubts or concerns.

System Checkout

Once the Aprilaire 700 humidifier and control are installed, a thorough system checkout is essential to ensure proper operation and optimal performance. This process verifies that all components are functioning correctly and that the system is delivering the desired humidity levels. Here’s a step-by-step guide to help you conduct a comprehensive system checkout⁚

1. Power Up the System⁚ Turn on the furnace or HVAC system and allow it to run for a few minutes to establish normal operating conditions.
2. Check for Water Flow⁚ Observe the humidifier to ensure water is flowing properly to the water panel. A steady stream of water indicates proper water valve operation.
3. Verify Fan Operation⁚ Ensure the humidifier’s fan is running smoothly. A properly functioning fan will circulate air over the water panel, maximizing evaporation and humidification.
4. Monitor Humidity Levels⁚ Use a hygrometer to measure the humidity levels in different areas of your home. Compare the readings to your desired humidity range, which is typically between 30% and 50%.
5. Adjust Control Settings⁚ If the humidity levels are not within your desired range, adjust the control settings accordingly. You may need to increase or decrease the humidity level setting on the control;
6. Inspect for Leaks⁚ Thoroughly check for any water leaks around the humidifier, control, or any associated plumbing connections. Promptly address any leaks to prevent damage and ensure safe operation.
7. Observe System Operation⁚ Monitor the system for any unusual noises, vibrations, or malfunctions. If you notice any irregularities, consult the manufacturer’s instructions or contact a qualified HVAC technician for assistance.

This comprehensive checkout process ensures that your Aprilaire 700 humidifier is operating efficiently and meeting your humidity needs. Always refer to the manufacturer’s instructions for specific guidelines and seek professional assistance if you encounter any issues.

Maintenance

Regular maintenance of your Aprilaire 700 humidifier is crucial for ensuring its optimal performance, longevity, and safe operation. By following these maintenance guidelines, you can keep your humidifier running smoothly and prevent potential issues⁚

1. Water Panel Cleaning⁚ The water panel, responsible for evaporating water, can accumulate mineral deposits and debris over time. Clean the water panel every 3 to 6 months, or more frequently if you have hard water, to prevent clogging and maintain efficient evaporation; Use a mild cleaning solution or a dedicated humidifier cleaner, following the manufacturer’s instructions.
2. Humidifier Control Cleaning⁚ The humidifier control, which manages the system’s operation, should also be cleaned periodically to remove dust and debris. Refer to the control’s instruction manual for specific cleaning procedures and recommendations.
3. Water Line Inspection⁚ Inspect the water line connecting the humidifier to your water source for leaks, kinks, or blockages. Ensure the water line is securely connected and free from any obstructions to maintain proper water flow.
4. Fan and Motor Lubrication⁚ Lubricate the humidifier’s fan and motor bearings as recommended in the manufacturer’s instructions. Proper lubrication reduces friction and ensures smooth operation, extending the lifespan of these components.
5. Annual System Check⁚ Have a qualified HVAC technician inspect the entire humidifier system annually. This inspection includes checking the water panel, fan, motor, control, and wiring connections. The technician can identify any potential problems and perform necessary repairs to prevent future issues.

By adhering to this maintenance schedule, you can ensure that your Aprilaire 700 humidifier continues to provide optimal humidification and indoor comfort for years to come. Remember to consult the manufacturer’s instructions for specific maintenance procedures and recommendations for your model.