The Aprilaire 700 is a whole-house humidifier designed for automatic operation, ensuring balanced humidity levels. Proper installation by a qualified contractor is essential for safety and efficiency. This guide provides comprehensive instructions for installing and maintaining the Aprilaire 700, adhering to safety guidelines to prevent electrical hazards and ensure optimal performance. The manual is a critical resource for both installers and homeowners to achieve reliable operation and protect the system’s warranty.

1.1 Overview of Aprilaire 700 Humidifier

The Aprilaire 700 is a high-capacity, whole-house humidifier designed to provide balanced humidity levels throughout residential spaces. It is a fan-powered, duct-mounted system that works seamlessly with existing HVAC systems. The humidifier is suitable for homes up to 4,200 square feet and features an automatic operation mode, making it a convenient solution for maintaining optimal indoor humidity. The unit uses an evaporative system with a water panel to add moisture to the air, ensuring efficient and consistent performance. Its design allows for easy integration into heating and cooling systems, while its compact size makes it ideal for installation in various duct configurations. The Aprilaire 700 is known for its reliability, energy efficiency, and ability to reduce static electricity and moisture-related issues in the home. Proper installation by a qualified contractor is essential to ensure safety and optimal functionality;

1.2 Importance of Proper Installation

Proper installation of the Aprilaire 700 humidifier is critical to ensure safe and efficient operation. Improper installation can lead to electrical hazards, reduced performance, and potential damage to the system. The unit must be installed by a qualified heating and air conditioning contractor to comply with safety standards and warranty terms. Correct installation ensures optimal humidity levels, prevents water damage, and maintains energy efficiency. Failure to follow the installation guidelines can result in voiding the warranty and exposing users to risks such as electrical shock or equipment malfunction. Proper installation also ensures compatibility with existing HVAC systems and adherence to local, state, and federal codes. By prioritizing correct installation, homeowners can enjoy reliable performance, improved indoor air quality, and long-term protection of their investment.

Key Features and Benefits

The Aprilaire 700 offers automatic and manual operation modes, high-output performance, and compatibility with heat pump systems. It provides balanced humidity, energy efficiency, and low maintenance, ensuring optimal indoor air quality and comfort year-round.

2.1 Features of Aprilaire 700

The Aprilaire 700 is a high-capacity, whole-house humidifier designed for automatic operation. It features a built-in fan for enhanced airflow and even humidity distribution. The unit is compatible with both hot and cold water systems, with hot water recommended for heat pump installations to optimize performance. The humidifier includes a digital control for precise humidity settings and automatic mode operation. It also supports manual mode for flexibility. The Aprilaire 700 is designed for duct installation, ensuring seamless integration with existing HVAC systems. Its evaporative technology minimizes over-humidification, maintaining balanced indoor air quality. The system is energy-efficient and requires minimal maintenance, with replaceable water panels for long-term performance. These features make it a reliable choice for maintaining healthy humidity levels in residential spaces.

2.2 Benefits of Using Aprilaire 700

The Aprilaire 700 offers numerous benefits, including improved indoor air quality and enhanced comfort. It prevents dry air issues, reducing irritation to skin and respiratory systems. The humidifier also protects wooden furniture and flooring from cracking due to dryness. Its automatic operation ensures balanced humidity levels, eliminating manual adjustments. The system is energy-efficient, reducing overall energy consumption. Compatible with both hot and cold water systems, it provides flexibility for various installations. The Aprilaire 700 is designed for whole-house coverage, ensuring consistent humidity throughout the home. Its quiet operation and minimal maintenance requirements make it a convenient choice. Additionally, it supports healthy humidity levels, promoting a comfortable living environment. These benefits make the Aprilaire 700 a reliable and efficient solution for maintaining optimal indoor air quality year-round.

Safety Instructions

Always follow safety guidelines during installation to avoid electrical shock or injury. Ensure proper compliance with local codes and manufacturer instructions. Avoid installing in freezing areas or on furnace jackets, and use 24V transformers for electrical safety.

3.1 General Safety Warnings

Always follow safety guidelines to prevent injuries and ensure proper installation. The Aprilaire 700 must be installed by a qualified HVAC contractor to avoid electrical shock risks. Never install the humidifier in areas prone to freezing, as this can cause water lines to freeze and crack. Avoid placing the unit on furnace jackets or plenums with restricted airflow. Do not exceed the recommended water pressure of 125 psi, as this may damage the humidifier. Keep the unit away from high-temperature areas to prevent component failure. Ensure all electrical connections comply with local codes and use a 24V transformer for safe operation. Never connect the humidifier to multi-speed furnace motors, as this can lead to premature wear. Always shut off the hot water supply before disconnecting or tapping into water lines to avoid scalding. Adhere to these warnings to ensure safe and efficient operation of the Aprilaire 700 humidifier.

3.2 Installation Precautions

Before installing the Aprilaire 700, ensure the area is clear of debris and obstructions. The humidifier must be installed by a qualified HVAC contractor to comply with safety standards and warranty terms. Avoid installing the unit in areas with freezing temperatures, as this can damage the water lines. Do not install the humidifier on ducts with horizontal airflow, as this reduces performance. Ensure the drain hose is properly connected to a floor drain to prevent water damage. The water pressure should not exceed 125 psi to avoid damaging the system. Use a 24V transformer for electrical connections and avoid wiring the transformer into the furnace blower circuit. Never install the humidifier on the furnace jacket or restricted plenum faces. Follow all local, state, and federal codes during installation to ensure safe and efficient operation.

3.3 Electrical Safety Tips

Ensure all electrical connections are made by a qualified HVAC technician to prevent shock or system damage. Use a dedicated 120 VAC power source for the humidifier, separate from the furnace motor circuit. Never wire the transformer into the furnace blower circuit, as this can cause premature component failure. When installing the Model 50 Current Sensing Relay, connect it only to the 24 VAC humidifier control circuit. Avoid connecting the humidifier to multi-speed furnace blower motors or non-120 VAC sources, as this may lead to malfunction. Always shut off the hot water supply before tapping into any water lines to prevent scalding. Follow all local electrical codes and manufacturer guidelines to ensure safe and proper installation. Proper electrical setup is crucial for the humidifier’s performance and warranty validity.

Installation Process

The Aprilaire 700 must be installed by a qualified HVAC contractor to ensure compliance with safety standards and local codes. Proper installation involves mounting the humidifier, connecting the water supply, and ensuring correct electrical wiring. Always refer to the installation template and manual for detailed step-by-step instructions to guarantee optimal performance and safety.

4.1 Pre-Installation Steps

Before installing the Aprilaire 700, ensure the following steps are completed to guarantee a safe and efficient setup process. First, turn off the power to the furnace and hot water supply to prevent accidental activation or scalding. Verify that the installation location meets local building codes and manufacturer recommendations, avoiding areas prone to freezing temperatures or excessive moisture. Inspect the water pressure to ensure it does not exceed 125 psi, as higher pressures may damage the humidifier. Choose a suitable location for the humidifier, ideally near the furnace and water supply lines, to minimize installation complexity. Unpack and organize all components, including the installation template, to streamline the process. Finally, review the installation manual thoroughly to familiarize yourself with the steps and safety guidelines before proceeding.

4.2 Step-by-Step Installation Guide

Begin by mounting the Aprilaire 700 humidifier on the return duct, ensuring proper alignment and secure fastening using the provided screws. Next, connect the water supply line to the humidifier, making sure to install a shut-off valve for easy maintenance. Attach the drain hose to the drain spud and route it to a nearby floor drain or condensate pump. For wiring, connect the humidifier control to the furnace’s accessory terminals, ensuring the transformer is powered correctly. Refer to the wiring diagram in the manual for specific connections. Finally, install the bypass damper and connect the ductwork, ensuring a tight seal to maintain airflow efficiency. Turn on the water supply and test the system to ensure proper operation. Always follow the manufacturer’s instructions for a safe and successful installation.

4.3 Post-Installation Checks

After completing the installation, perform a series of checks to ensure the Aprilaire 700 operates correctly. First, turn on the water supply and test the humidifier by running the furnace fan. Check for any leaks in the water supply lines, drain hose, and connections. Verify that the drain system is functioning properly, ensuring water flows freely without blockages. Inspect the electrical connections to confirm they are secure and meet the manufacturer’s specifications. Test the humidistat or control settings to ensure the system responds accurately to humidity levels. Finally, monitor the system’s performance during initial operation to ensure balanced humidity levels and quiet operation. Address any issues promptly to prevent damage or inefficiency. Refer to the manual for detailed troubleshooting steps if needed.

Operating Instructions

The Aprilaire 700 operates in automatic or manual modes, controlled via the humidistat. Automatic mode adjusts humidity based on settings, while manual mode allows direct control. Initial setup requires configuring the humidistat to match your home’s conditions for optimal performance.

5.1 Automatic Mode Operation

The Aprilaire 700 humidifier operates seamlessly in automatic mode, adjusting humidity levels based on the settings configured during initial setup. The system uses a humidistat to monitor and maintain the desired humidity, ensuring balanced indoor air quality. Automatic mode is ideal for homeowners who prefer a hands-off approach, as it dynamically responds to changes in temperature and humidity. The humidifier control, installed in the return duct, signals the unit to operate when humidity levels drop below the set point. This mode ensures efficient operation, reducing the need for manual adjustments. Proper installation by a qualified contractor is crucial for accurate sensor readings and optimal performance. The automatic mode also helps prevent over-humidification, which can lead to condensation issues. By following the installation manual, users can ensure their Aprilaire 700 runs efficiently and effectively in automatic mode, providing consistent comfort year-round.

5.2 Manual Mode Operation

The Aprilaire 700 humidifier also offers a manual mode for situations where precise control is needed. In manual mode, the system operates continuously or according to user-defined settings, bypassing automatic humidity sensing. This mode is useful for addressing temporary humidity needs or for testing the system during installation. To activate manual mode, the installer or user must set the humidistat to the desired level and ensure the bypass damper is open. Manual operation requires regular monitoring to prevent over-humidification, which can lead to condensation issues. It is recommended to use manual mode sparingly and only when necessary, as automatic mode provides more efficient and balanced humidity control. Always refer to the installation manual for specific instructions on switching between modes and adjusting settings to ensure proper functionality. This feature allows flexibility for unique household needs while maintaining system performance.

5.3 Initial Setup and Configuration

The initial setup of the Aprilaire 700 humidifier involves configuring the humidistat and ensuring proper installation of the Humidifier Control in the return duct. During setup, the installer must connect the sensor wires and set the humidistat to match the home’s conditions. The control should be installed using the provided template and wiring diagram. It is crucial to follow the installation manual for accurate wiring connections, especially when integrating with furnace systems. After installation, test the system in both automatic and manual modes to ensure proper function. The initial setup also includes setting the desired humidity level and ensuring the bypass damper is correctly positioned. Proper configuration is essential for efficient operation and to prevent issues like over-humidification. Always refer to the manual for specific instructions to ensure the system is set up correctly and functions as intended.

Maintenance and Troubleshooting

Regular cleaning of the water panel and drain hose is essential for optimal performance; Replace the water panel annually and check for mineral buildup to ensure efficiency.

6.1 Cleaning and Maintenance Tips

Regular maintenance is crucial for the Aprilaire 700’s performance. Clean the water panel annually to remove mineral buildup, and replace it as recommended. Check the drain hose for blockages and ensure proper water flow. Use a soft brush to clean the humidifier’s interior and exterior, avoiding harsh chemicals. Inspect the water supply line for kinks or damage and replace if necessary. For hard water areas, consider using a water filter to reduce mineral deposits. Turn off the humidifier during the off-season and drain the system to prevent freezing. Always follow the manufacturer’s guidelines for cleaning and maintenance to ensure optimal functionality and extend the product’s lifespan. Proper care will help maintain balanced humidity and prevent potential issues.

6.2 Replacing Parts and Accessories

Regular replacement of parts and accessories is essential for maintaining the Aprilaire 700’s performance; The water panel evaporator should be replaced annually or as recommended to ensure efficient humidity control and prevent mineral buildup. Inspect and replace the humidifier filter every 1-2 years, depending on usage and water quality. Check the drain hose and water supply line for damage or blockages and replace them if necessary. Additionally, examine the wiring and connections for wear or damage and replace any compromised components. Always refer to the installation manual for correct part numbers and replacement procedures. Properly replacing parts ensures optimal functionality, prevents potential issues, and extends the lifespan of the humidifier. Regular maintenance and timely replacements are key to maintaining balanced humidity and system efficiency.

6.3 Common Issues and Solutions

Common issues with the Aprilaire 700 include improper installation, water pressure exceeding 125 psi, and sensor malfunctions. To address these, ensure the humidifier is installed by a qualified contractor and water pressure is within recommended limits. If the sensor prevents humidity until the temperature rises, remove the sensor wires and install a manual jumper to test functionality. For reduced performance on horizontal airflow ducts, avoid installing models 700M or 700A in such configurations. If the humidifier does not operate correctly, check the wiring and connections for damage or wear. Regular maintenance, such as replacing the water panel evaporator annually, can prevent mineral buildup and ensure efficient operation. Always refer to the installation manual for troubleshooting steps and solutions to maintain optimal performance and extend the lifespan of the humidifier.

Warranty and Support

The Aprilaire 700 warranty requires installation by a qualified contractor to remain valid. Register your product and review terms for coverage details. Customer support is available for assistance.

7.1 Warranty Registration Process

Registering your Aprilaire 700 humidifier is essential to validate the warranty. The installer must ensure the product is installed correctly by a qualified professional. Failure to do so may void the warranty. After installation, the homeowner should receive the owner’s manual, which includes warranty details and operational guidelines. Registration can typically be completed online through Aprilaire’s official website or by mailing a completed warranty registration form. Proper documentation, including proof of installation by a licensed contractor, may be required. Ensuring timely registration guarantees coverage and support for any future issues. Always refer to the manual for specific registration instructions and requirements to maintain warranty validity.

7.2 Warranty Terms and Conditions

The Aprilaire 700 humidifier warranty ensures coverage for parts under specific conditions. The warranty is void if the product is not installed by a qualified heating and air conditioning contractor. Proper installation is crucial to maintain warranty validity. The warranty typically covers parts for a period of five years from the date of manufacture, provided the unit is installed correctly and maintained as per the manual. Misuse, neglect, or failure to follow maintenance guidelines can result in warranty termination. Damage caused by improper installation or unauthorized modifications is not covered. The warranty does not include labor costs for repairs or replacements. Always refer to the official Aprilaire warranty document for detailed terms and conditions to ensure compliance and full coverage.

7.3 Customer Support and Service

Aprilaire provides comprehensive customer support to ensure optimal performance and satisfaction with the 700 humidifier. For assistance, customers can contact Aprilaire’s customer service at 800/334-6011 or visit their official website for support resources. The company offers downloadable manuals, troubleshooting guides, and installation templates to help users resolve issues independently. Additionally, Aprilaire emphasizes the importance of professional installation by qualified contractors to maintain warranty validity and system efficiency. Customers can also access replacement parts and accessories through authorized distributors. Aprilaire’s commitment to customer support ensures that any questions or concerns regarding the 700 humidifier are addressed promptly and effectively, providing peace of mind and reliable service.

Additional Resources

Download the Aprilaire 700 installation manual PDF for detailed instructions. Access online guides, tutorials, and manufacturer support for troubleshooting and maintenance. Visit Aprilaire’s official website for comprehensive resources.

8.1 Downloading the Installation Manual PDF

The Aprilaire 700 installation manual PDF is a comprehensive guide that provides step-by-step instructions for installing, operating, and maintaining the humidifier. It is available for free download on Aprilaire’s official website and other trusted online platforms. The manual includes detailed diagrams, safety precautions, and troubleshooting tips to ensure proper setup and functionality. By downloading the PDF, users can access essential information to optimize their humidifier’s performance and extend its lifespan. The manual is also a valuable resource for contractors and DIY enthusiasts, offering clear instructions to avoid common installation mistakes. Ensure to download the latest version to get the most accurate and updated information for your Aprilaire 700 model.

8.2 Online Guides and Tutorials

Beyond the installation manual, Aprilaire offers a variety of online guides and tutorials to assist with the setup and operation of the 700 humidifier. These resources are available on the official Aprilaire website and include video tutorials, interactive diagrams, and detailed step-by-step instructions. Additionally, third-party platforms like YouTube feature installation walkthroughs and troubleshooting tips from experienced contractors and DIY enthusiasts. These online guides provide visual demonstrations of key installation steps, such as wiring the humidifier control, connecting water lines, and mounting the unit in the duct system. They also cover common issues and solutions, helping users resolve problems quickly. By leveraging these online resources, homeowners and installers can ensure a smooth and efficient installation process, maximizing the performance and longevity of the Aprilaire 700 humidifier.

8.3 Manufacturer Support and Contact

Aprilaire provides comprehensive support for the 700 humidifier, ensuring a seamless experience for installers and homeowners. The manufacturer offers direct contact options, including a toll-free phone number (800/334-6011) and a fax number (608/257-4357), for any inquiries or assistance. Their headquarters, located at P.O. Box 1467, Madison, WI 53701-1467, serves as a central hub for support. Additionally, Aprilaire’s official website features a dedicated section for customer support, where users can access FAQs, troubleshooting guides, and contact forms. The support team is available to address installation questions, maintenance tips, and warranty-related issues. By reaching out to Aprilaire directly, users can ensure they receive accurate and reliable information tailored to their needs, fostering a hassle-free experience with the Aprilaire 700 humidifier.

The Aprilaire 700 installation manual serves as a vital guide for ensuring proper setup and operation of the humidifier. By following the outlined steps and safety precautions, users can achieve optimal performance and extend the system’s lifespan. Proper installation by a qualified contractor is crucial to avoid electrical risks and maintain warranty validity. Regular maintenance and adherence to manufacturer guidelines will ensure the humidifier operates efficiently, providing balanced humidity levels throughout the home. For any additional support, Aprilaire offers comprehensive resources, including downloadable manuals and customer service options, to address user needs effectively. This manual underscores the importance of careful planning and execution to maximize the benefits of the Aprilaire 700 humidifier while ensuring safety and reliability.