The Aprilaire 700 Humidifier is a whole-house solution designed to provide consistent humidity levels‚ improving indoor air quality and comfort. Proper installation ensures optimal performance and safety‚ while following the manual prevents issues like electrical hazards or condensation buildup. This guide offers a step-by-step approach to installing and maintaining the unit effectively.
Overview of the Aprilaire 700 Humidifier
The Aprilaire 700 is a high-efficiency whole-house humidifier designed to provide consistent humidity levels throughout your home. It operates on the evaporative principle‚ using water to naturally humidify the air. With its advanced digital control panel‚ the unit automatically adjusts humidity based on temperature and humidity levels‚ ensuring optimal comfort. The Aprilaire 700 is compatible with various HVAC systems and can cover homes up to 4‚200 square feet. Its compact design allows flexible installation options‚ making it suitable for different home layouts. Energy-efficient and low-maintenance‚ this humidifier is a reliable solution for maintaining healthy indoor air quality year-round.
Benefits of Proper Installation
Proper installation of the Aprilaire 700 ensures optimal performance‚ energy efficiency‚ and safety. It prevents issues like electrical hazards‚ freezing‚ and condensation buildup‚ which can damage the unit or home. Correct installation also ensures consistent humidity levels‚ improving indoor air quality and comfort. By following the manual‚ you avoid costly repairs and maintain the unit’s warranty. Proper setup also reduces maintenance needs and extends the lifespan of the humidifier. Additionally‚ it ensures compliance with local building codes and safety standards‚ providing peace of mind for homeowners. A well-installed system operates quietly and efficiently‚ enhancing overall home wellness without unnecessary disruptions.
Importance of Following the Manual
Following the Aprilaire 700 installation manual is crucial for ensuring a safe and effective setup. The manual provides detailed‚ manufacturer-recommended steps to avoid common mistakes that could lead to electrical hazards or system malfunctions. Deviating from the instructions can result in improper connections‚ inefficient performance‚ or even voiding the warranty. Adhering to the guidelines ensures compliance with safety standards and local building codes. Proper installation also prevents issues like freezing‚ condensation‚ and mold growth. The manual’s instructions are designed to maximize the humidifier’s efficiency and longevity‚ ensuring it operates as intended to improve indoor air quality and comfort. By following the manual‚ homeowners can achieve a reliable and trouble-free humidification system.

System Components and Tools Needed
The Aprilaire 700 installation requires the humidifier unit‚ mounting bracket‚ ductwork adapters‚ water supply line‚ drain hose‚ and digital control panel. Tools include a drill‚ screwdrivers‚ wrench‚ wire connectors‚ and a level for proper alignment and installation.
Components Included in the Aprilaire 700 Kit
The Aprilaire 700 kit includes the humidifier unit‚ mounting bracket‚ fan‚ and ductwork adapter. It also contains a water supply line‚ drain hose‚ and digital control panel. These components are essential for proper installation and operation. The unit is designed to integrate seamlessly with your HVAC system‚ ensuring efficient humidity control. All parts are pre-assembled where possible to simplify the installation process. The kit also includes necessary hardware like screws and clips to secure the unit. Additional components such as the humidistat and sensor are included for precise humidity monitoring and adjustment. These parts work together to provide a reliable and efficient humidification system for your home.
Additional Tools Required for Installation
Beyond the components in the Aprilaire 700 kit‚ several tools are necessary for a successful installation. A screwdriver (both Phillips and flathead) is needed for assembling and securing parts. Pliers and an adjustable wrench are required for connecting water lines and fittings. A drill with bits will be used for creating holes in ductwork or walls. A level ensures proper alignment during mounting. A wire stripper and pliers are essential for wiring connections. A vacuum cleaner or brush helps clean debris from ducts before installation. Measuring tape and utility knives are also useful for precise cuts and fittings. These tools ensure a smooth and professional installation process.
Understanding the Key Parts of the Humidifier
Familiarizing yourself with the Aprilaire 700’s components is crucial for proper installation and operation. The humidifier unit houses the core mechanisms‚ including the fan and water distribution system. The water panel is responsible for moisture evaporation‚ while the fan ensures airflow through the ductwork. The control panel regulates humidity levels and system operation. The drain system manages excess water‚ and the bypass duct directs airflow for efficient humidification. Understanding these parts ensures accurate installation and maintenance‚ optimizing performance and preventing issues.

Safety Precautions and Warnings
Always disconnect power before installation to avoid electrical shock. Ensure proper grounding to prevent hazards. Avoid water leakage to maintain safety and efficiency.
Electrical Safety Considerations
Always disconnect the power supply before starting installation to prevent electric shock. Ensure the humidifier is properly grounded to avoid electrical hazards. Use a GFCI-protected circuit for safety. Never modify the unit’s electrical components‚ as this can void the warranty and pose risks. If unsure about electrical connections‚ consult a licensed electrician. Keep all electrical components away from water to prevent short circuits. Follow local and national electrical codes during installation. Avoid overloading circuits‚ and ensure all connections are secure and tight. Proper electrical installation is critical for safe and efficient operation of the Aprilaire 700 humidifier.
Preventing Freezing and Condensation
To prevent freezing and condensation issues‚ ensure the Aprilaire 700 is installed in an area with consistent temperatures above freezing. Insulate exposed ductwork in unheated spaces like attics or crawlspaces. Properly slope the drain line to prevent standing water‚ which can cause condensation. Use a condensate pan with a float switch if the unit is in a finished area. Ensure the humidifier is not overhumidifying by setting the correct humidity levels. Regularly inspect and maintain the unit to avoid water leaks. Proper airflow through the duct system is essential to prevent moisture buildup. Follow local building codes for insulation and drainage requirements.
Handling the Unit with Care
When handling the Aprilaire 700 humidifier‚ always lift it carefully to avoid dropping or damaging the unit. Avoid touching electrical components or sensors to prevent contamination or damage. Use a clean‚ dry cloth to wipe down the exterior before installation. If storing the unit temporarily‚ ensure it is placed in a dry‚ protected area away from direct sunlight and moisture. Never stack heavy objects on top of the humidifier. When transporting‚ use the original packaging if available to prevent scratches or dents. Handle the unit by the base or frame‚ avoiding the control panel and duct connections. Always refer to the manual for specific handling instructions to ensure the unit remains in optimal condition.

Pre-Installation Steps
Plan the installation layout‚ ensure power and water sources are accessible‚ and verify all components are included and undamaged before starting the process.
Choosing the Right Installation Location
Selecting the correct location for the Aprilaire 700 is crucial for optimal performance. The humidifier should be installed near the furnace to ensure proper integration with the heating system. It should also be placed in an area with adequate drainage‚ such as a basement or utility room‚ to prevent water damage. Avoid locations prone to freezing temperatures or excessive moisture buildup‚ as this can damage the unit. Ensure the location provides easy access for maintenance and has sufficient space for wiring and plumbing connections. Consider the flow of air through the ductwork to maximize humidity distribution. Proper placement ensures efficient operation and longevity of the system.
- Proximity to the furnace for seamless integration.
- Adequate drainage to prevent water leaks or damage.
- Accessibility for maintenance and adjustments.
- Avoid areas with freezing temperatures or high humidity.
Consult a professional if unsure about the best location for your system.
Checking Local Codes and Building Practices
Before installing the Aprilaire 700‚ it is essential to verify compliance with local building codes and regulations. These codes may dictate specific requirements for humidifier installations‚ such as electrical connections‚ plumbing‚ and venting. Contact local authorities or a licensed professional to ensure adherence to regional standards. Additionally‚ familiarize yourself with local HVAC practices‚ as they may influence installation procedures. Failure to comply could result in safety hazards or legal issues. Always prioritize code compliance to guarantee a safe and efficient setup.
- Verify local building codes and regulations.
- Ensure compliance with electrical and plumbing standards.
- Consult local authorities or professionals if uncertain.
- Adhere to regional HVAC installation practices.
This step ensures a safe and legally compliant installation process.
Preparing the Site for Installation
Before installing the Aprilaire 700‚ ensure the installation site is properly prepared. Clear the area of debris‚ dust‚ and obstructions to allow easy access and prevent contamination. Verify that the floor is level and sturdy to support the humidifier’s weight. Ensure proper drainage by checking for any water accumulation near the installation site. Additionally‚ confirm that all necessary utilities‚ such as water and electrical connections‚ are accessible. Protect surrounding surfaces with drop cloths or plastic sheeting to avoid damage during the process. Proper site preparation ensures a smooth and efficient installation experience.
- Clear the area of debris and obstructions.
- Ensure the floor is level and sturdy.
- Check for proper drainage and water access.
- Protect surrounding surfaces from damage.
A well-prepared site minimizes installation challenges and ensures optimal performance.

Installation Procedures
Follow the Aprilaire 700 installation manual step-by-step. Ensure safety‚ proper connections for ductwork‚ wiring‚ water supply‚ and drain. Test the system post-installation.
MOUNTING THE Aprilaire 700 HUMIDIFIER
Mounting the Aprilaire 700 humidifier requires careful planning and precision. Ensure the unit is installed on a level surface‚ preferably near the furnace or duct system for optimal performance. Use the provided mounting template to mark holes accurately. Drill pilot holes and secure the humidifier with screws or brackets as specified in the manual. Maintain proper spacing from ducts and water sources to prevent interference. Ensure the unit is firmly fastened to avoid vibration or movement during operation. Refer to the installation manual for exact measurements and alignment recommendations.
Connecting the Ductwork and Plenum
Connecting the ductwork and plenum is a critical step in the Aprilaire 700 installation. Begin by attaching the humidifier’s outlet to the plenum’s inlet‚ ensuring a secure connection with screws or sealant to prevent leaks. Use the provided adapters to fit the humidifier to the plenum‚ and ensure all connections are airtight with gaskets or seals. Next‚ install the plenum near the furnace or main duct trunk‚ following the manual’s location recommendations. Cut a hole in the duct and install the plenum’s adapter‚ securing it with sheet metal screws and reinforcing with duct sealant or tape. Ensure airflow direction is correct to allow smooth circulation of humidified air. Check the manual for specific guidelines on plenum placement and duct system compatibility‚ and consult local building codes to ensure compliance. Properly balancing supply and return ducts is essential to maintain system performance. Follow the manual’s instructions carefully to ensure efficient and safe operation of the humidifier.
WIRING AND ELECTRICAL CONNECTIONS
When installing the Aprilaire 700‚ carefully follow the wiring and electrical connections outlined in the manual. Connect the humidistat wires to the corresponding terminals on the humidifier‚ ensuring correct polarity and connections. Wire the humidifier to the furnace or HVAC system‚ following the manufacturer’s instructions for proper integration. Verify that the power supply matches the unit’s requirements (24V AC) and install a dedicated circuit if necessary. Use appropriately sized wires and secure all connections with wire nuts or connectors. Avoid miswiring‚ as it can damage the unit or create safety hazards. Always follow local electrical codes and the National Electric Code (NEC) guidelines for safe installation. If unsure‚ consult a licensed electrician to ensure compliance and safety.
Setting Up the Water Supply Line
Setting up the water supply line for the Aprilaire 700 involves connecting the humidifier to a nearby water source. Start by locating a suitable water supply line near the installation area. Use a saddle valve or a standard valve to tap into the water supply‚ ensuring it fits the pipe size. Attach the water supply line to the humidifier’s inlet‚ securing connections with Teflon tape or pipe dope to prevent leaks. Check the recommended water pressure range to avoid damage. Install a drain line for condensate‚ directing it to a floor drain or sump pump. Consider adding an inline water filter to prevent mineral buildup‚ especially in hard water areas. After installation‚ test the water flow and check for leaks. Ensure the humidifier operates correctly by verifying humidity levels in your home.
Installing the Drain and Water Flow
Installing the drain and water flow for the Aprilaire 700 ensures proper moisture management. Start by locating a suitable drain line‚ such as a floor drain or sump pump. Connect the drain line to the humidifier’s drain port‚ ensuring a secure fit. Use a P-trap if necessary to prevent sewer gases. Slope the drain line slightly to allow proper water flow. Connect the water supply line to the humidifier‚ ensuring it is not kinked or restricted. Test the system by running water through the drain and supply lines to check for leaks. Proper drainage prevents water damage and ensures efficient operation. Always follow local plumbing codes and best practices during installation.

Humidifier Control Setup
Configure the Aprilaire 700’s control panel to regulate humidity levels‚ set schedules‚ and monitor operation. Adjust settings based on your home’s needs for optimal comfort and efficiency.
Understanding the Digital Control Panel
The Aprilaire 700 features an intuitive digital control panel designed for easy operation. The LCD display shows current humidity levels‚ system status‚ and active settings. Use the touch-sensitive buttons to navigate through menus‚ adjust humidity levels‚ and set preferences. The panel allows you to enable manual or automatic modes‚ set schedules‚ and monitor water usage. It also provides alerts for maintenance reminders‚ such as when to replace the water panel or clean the unit. The interface is user-friendly‚ ensuring seamless control over your home’s humidity. Refer to the manual for detailed instructions on accessing advanced settings and troubleshooting features.
Configuring the Humidity Settings
To configure the humidity settings on your Aprilaire 700‚ navigate to the humidity menu using the digital control panel. Select your preferred humidity level‚ typically between 30-50% for optimal comfort. Use the up or down arrows to adjust the setpoint. Enable automatic mode to let the system regulate humidity based on outdoor temperatures. For manual control‚ set a fixed humidity level. You can also schedule humidity levels to match your daily routine. Ensure the settings align with your home’s needs to maintain balanced air moisture. Proper configuration ensures efficient operation and prevents over-humidification or dryness. Always refer to the manual for advanced customization options.
Manual Override and Sensor Adjustments
The Aprilaire 700 allows for manual override of humidity settings when needed. To activate manual mode‚ press and hold the “Manual” button on the control panel until the display indicates manual operation. Adjust the humidity level using the up or down arrows. For sensor adjustments‚ ensure the outdoor temperature sensor is properly calibrated. Clean the sensor periodically to maintain accuracy. If the system is not responding correctly‚ reset the sensor by pressing the “Reset” button. Always monitor the system after manual adjustments to ensure it operates within the desired range. Proper sensor calibration and manual overrides help maintain consistent humidity levels and prevent system malfunctions.

Post-Installation Steps
After installation‚ test the humidifier to ensure proper operation‚ check for leaks‚ and verify all electrical connections. This ensures optimal performance and safety.
Testing the Humidifier Operation
After installation‚ turn on the humidistat and check if the humidifier starts operating. Verify water supply to the unit and ensure misting occurs when the furnace is running. Inspect for any leaks in the water supply line and drain connections. Check the electrical connections to confirm proper power supply. Test the digital control panel to ensure all settings and sensors are functioning correctly. Monitor humidity levels to confirm they stabilize within the set range. Verify proper airflow through the ductwork and ensure the drain system is flowing freely. Repeat testing under different humidity settings to confirm consistent performance and reliability.
Adjusting the Humidity Levels
After installation‚ adjust the humidity levels using the digital control panel. Set the desired humidity level based on personal comfort and outdoor temperature. Monitor the system’s performance and fine-tune settings as needed. Typical humidity levels range between 30-50%. Ensure the humidistat is properly calibrated to maintain consistent moisture levels. If the air feels too dry or damp‚ adjust the setpoint accordingly. Use the manual override feature to temporarily increase or decrease humidity. Regularly check and adjust settings during seasonal changes to optimize comfort and energy efficiency. Proper adjustment ensures balanced indoor air quality and prevents over-humidification or dryness.
Final Checks for Proper Functionality
After completing the installation‚ perform a thorough inspection to ensure all components function correctly. Verify that the water supply line is securely connected and water flows properly. Check the drain line for unobstructed flow and ensure no leaks are present. Test the electrical connections to confirm they are tight and meet local codes. Inspect the ductwork and plenum for proper sealing and alignment. Turn on the humidifier and test its operation in both automatic and manual modes. Check the digital control panel for accurate humidity readings and responsiveness. Ensure there are no unusual noises or vibrations during operation. Address any issues promptly to ensure optimal performance and safety.

Maintenance and Troubleshooting
Regularly clean the humidifier and replace filters to maintain efficiency. Check for mineral buildup and blockages. Troubleshoot issues like low humidity or sensor malfunctions promptly for optimal performance.
Regular Maintenance Tasks
Regular maintenance ensures optimal performance and extends the lifespan of your Aprilaire 700. Replace the water panel every 6–12 months‚ depending on usage and water quality. Clean or replace the humidifier filter as recommended to maintain airflow and efficiency. Check the drain line for blockages and mineral buildup‚ especially in hard water areas. Inspect and clean the humidifier pan and orifice regularly. Ensure the water supply line is free from leaks or kinks. Refer to the manual for specific intervals and procedures. A well-maintained system delivers consistent humidity levels and prevents potential issues. Schedule routine checks to keep your Aprilaire 700 running smoothly.
Troubleshooting Common Issues
Common issues with the Aprilaire 700 include water leakage‚ low humidity output‚ or the system not turning on. For water leakage‚ check the drain line for blockages or kinks and ensure proper installation. If humidity levels are low‚ inspect the evaporator pad for dirt or mineral buildup and clean or replace it as needed. If the unit doesn’t power on‚ verify electrical connections and ensure the circuit breaker isn’t tripped. Strange noises may indicate misaligned parts or debris in the system. Refer to the manual for detailed troubleshooting steps. Addressing these issues promptly ensures reliable performance and prevents further complications. Always turn off power before servicing the unit to avoid safety risks.
Resetting the Unit and Sensor Calibration
Resetting the Aprilaire 700 involves turning the humidistat to the “OFF” position and switching off the furnace power. Wait 30 seconds‚ then restore power and set the humidistat to the desired level. This resets the system and resolves minor operational issues. For sensor calibration‚ ensure the humidity sensor is clean and free from obstructions. If the sensor malcalibrates‚ refer to the manual for recalibration steps‚ which may involve adjusting the sensitivity or replacing the sensor. Proper calibration ensures accurate humidity control. Regular resets and sensor checks maintain optimal performance and prevent system malfunctions. Always follow the manual for precise calibration instructions.
Congratulations! You’ve successfully installed your Aprilaire 700. Proper setup ensures efficient humidity control‚ enhancing your home’s comfort and air quality. Enjoy the benefits of a well-installed system!

Final Tips for Optimal Performance
- Regularly inspect and replace the water panel to ensure efficient moisture output.
- Set humidity levels between 30-50% to avoid over-humidification and potential mold growth.
- Ensure proper drainage by checking the drain line for blockages or kinks.
- Use a hygrometer to monitor indoor humidity levels and adjust settings accordingly.
- Keep the humidifier clean to prevent bacterial growth and maintain air quality.
- Schedule annual professional inspections to identify and address potential issues early.
By following these tips‚ you’ll maintain optimal performance‚ extend the unit’s lifespan‚ and enjoy consistent indoor comfort year-round.
Importance of Ongoing Maintenance
Regular maintenance is crucial for ensuring the Aprilaire 700 operates efficiently and effectively. Over time‚ the humidifier’s components can accumulate mineral buildup‚ dust‚ and mold‚ which can reduce performance and indoor air quality. Cleaning the water panel and drain regularly prevents clogs and bacterial growth. Inspecting and replacing worn-out parts‚ like the humidifier pad‚ ensures consistent moisture output. Additionally‚ checking the humidity sensor and drain line helps maintain proper functionality. Neglecting maintenance can lead to reduced efficiency‚ higher energy bills‚ and potential system damage. By staying proactive‚ you’ll extend the lifespan of the unit and keep your home comfortable and healthy year-round.
Resources for Further Assistance
For additional guidance‚ refer to the official Aprilaire 700 installation manual or visit the manufacturer’s website. Customer support is available for technical inquiries‚ and authorized dealers can provide expert advice. Online forums and videos often share installation tips and troubleshooting solutions. Ensure all resources are from trusted sources to maintain compliance with manufacturer recommendations. Staying informed and leveraging these resources will help you resolve any issues and ensure optimal performance of your Aprilaire 700 humidifier. Always consult the official manual first for accurate and reliable information tailored to your specific unit.

Frequently Asked Questions (FAQs)
- Is the Aprilaire 700 compatible with my HVAC system?
- Can I install the unit myself‚ or do I need a professional?
- How often should I clean or replace the humidifier filter?
- What is the ideal humidity level for my home?
- Why is water leaking from the humidifier?
- How do I reset the Aprilaire 700?
Common Installation Mistakes to Avoid
When installing the Aprilaire 700‚ avoid common mistakes like improper leveling‚ which can disrupt water flow and humidity distribution. Neglecting to turn off power before starting work is a safety hazard. Forgetting to check local codes and building practices may lead to non-compliance issues. Improper ductwork connections can result in inefficient performance. Using the wrong size or type of water supply line can reduce efficiency. Not securing the unit properly may cause leaks or noise. Lastly‚ failing to test the system post-installation can leave hidden issues unresolved. Always follow the manual closely to ensure a safe and effective installation.
Addressing User Concerns and Queries
Common questions during Aprilaire 700 installation include troubleshooting humidity levels‚ understanding sensor adjustments‚ and ensuring proper water flow. Users often inquire about optimal placement for even moisture distribution and how to avoid over-humidification. Some express concerns about noise levels‚ which can be minimized by proper mounting and duct alignment. Others seek clarification on maintenance schedules‚ such as when to replace the water panel or clean the humidifier. For unresolved issues‚ referring to the official Aprilaire resources or contacting customer support is recommended. Always ensure the system is installed correctly to avoid performance issues and maintain energy efficiency.
Where to Find Additional Support
For further assistance with the Aprilaire 700 installation‚ refer to the official Aprilaire website‚ which offers detailed manuals‚ troubleshooting guides‚ and FAQs. Additionally‚ contact Aprilaire’s customer support team via phone‚ email‚ or live chat for personalized help. Authorized distributors and HVAC professionals can also provide expert guidance. Online forums and community discussions may offer tips from experienced users. Ensure to consult certified resources to maintain warranty validity and system performance. These channels help resolve installation or operational issues effectively‚ ensuring your humidifier operates at its best.