This manual provides essential instructions for installing and maintaining your Aprilaire 700 humidifier, ensuring safe, efficient, and optimal performance; It is designed for both homeowners and professionals.
1.1 Overview of the Aprilaire 700 Humidifier
The Aprilaire 700 is a whole-house humidifier designed to provide optimal humidity levels in residential spaces. It is compatible with various HVAC systems and can be installed on either the supply or return plenum. The unit features automatic and manual operation modes, ensuring flexibility for different homeowner needs. Its robust design ensures efficient moisture distribution, while the use of hot water enhances performance in colder climates. Proper installation and maintenance are crucial for maximizing its benefits and ensuring long-term reliability.
1.2 Importance of Proper Installation
Proper installation of the Aprilaire 700 humidifier is critical to ensure safe and efficient operation. Incorrect installation can lead to electrical hazards, reduced performance, or even damage to the unit. Following the installation manual carefully helps prevent these issues and ensures optimal humidity control. Additionally, proper installation is necessary to maintain the product warranty and guarantee reliable operation. Always refer to the provided guidelines to avoid common mistakes and ensure a safe, efficient, and long-lasting performance of your Aprilaire 700 humidifier.
1.3 Safety Precautions and Warnings
Always follow safety guidelines when installing the Aprilaire 700 humidifier to avoid electrical shock or damage. Disconnect power to the furnace before starting installation. Ensure proper wiring to prevent fire hazards. Use only genuine Aprilaire parts to maintain safety and performance. Never bypass safety features or ignore warnings in the manual. Improper installation can result in injury, equipment damage, or void the warranty. Adhere to all local electrical codes and regulations for a safe setup. Proper installation ensures reliable operation and protects both the user and the system.
System Components and Accessories
The Aprilaire 700 system includes the humidifier unit, control panel, wiring components, water supply line, and drainage system. Accessories like the installation template and wiring diagrams are also provided.
2.1 Aprilaire 700 Humidifier Unit
The Aprilaire 700 humidifier unit is a fan-powered, duct-mounted system designed for whole-house humidification. It is compatible with both supply and return duct installations, ensuring efficient moisture distribution throughout your home; The unit features a durable construction and is equipped with advanced humidity control mechanisms. It requires minimal space and integrates seamlessly with existing HVAC systems. Proper installation ensures optimal performance, energy efficiency, and reliable operation during heating seasons. Always refer to the installation manual for specific mounting and airflow requirements.
2.2 Control Panel and Wiring Diagram
The Aprilaire 700 features a user-friendly control panel with a menu-driven interface and a touchscreen display. The control panel allows for easy setup and monitoring of humidification levels. A detailed wiring diagram is provided in the manual to ensure correct electrical connections. This diagram outlines the proper wiring for the humidifier control circuit, transformer, and relay. Always follow the wiring instructions carefully to avoid electrical issues. The control panel also includes safety features and sensors to optimize performance and prevent over-humidification. Refer to the manual for specific wiring configurations and troubleshooting tips.
2.3 Water Supply and Drainage Requirements
The Aprilaire 700 requires a dedicated water supply line with a minimum pressure of 20 psi. A saddle valve or 1/4-inch tubing connection is recommended. Proper drainage is essential to prevent water damage. Install a drain line to a floor drain or condensate pump, ensuring it slopes downward. Use a check valve to avoid backflow. For optimal performance, especially in cooling systems, use hot water to maintain consistent humidity levels. Always follow local plumbing codes and manufacturer guidelines during installation to ensure safe and efficient operation.
Pre-Installation Checklist
Verify space requirements, tools, and materials. Ensure HVAC compatibility and proper site preparation. Check water supply and drainage availability. Confirm electrical connections and wiring compatibility. Review safety precautions and manufacturer guidelines before starting installation to ensure a smooth process.
3.1 Tools and Materials Needed
To begin the installation, gather essential tools and materials. These include a screwdriver, pliers, wrench, drill, and tubing cutter. You’ll also need water supply tubing, drainage materials, and electrical connectors. Ensure you have a voltage tester and wire nuts for secure connections. Additionally, collect mounting hardware, ductwork components, and a humidity control installation kit. Refer to the Aprilaire 700 Installation Template for specific requirements. Organize all items beforehand to streamline the process and ensure compliance with safety guidelines.
3.2 Site Preparation and Space Requirements
Ensure the installation site is prepared for the Aprilaire 700 humidifier. The unit must be mounted on the supply plenum, requiring adequate space for proper airflow. Choose a location with easy access for maintenance and drainage. Verify the area is level and free from obstructions. Measure the plenum dimensions to ensure compatibility with the humidifier’s mounting requirements. Additionally, confirm the site’s proximity to a water supply and drainage system. Proper site preparation ensures a smooth installation and optimal performance of the humidifier.
3.3 Compatibility with HVAC Systems
The Aprilaire 700 humidifier is designed to integrate seamlessly with most HVAC systems. It can be installed on either the supply or return plenum, ensuring compatibility with various heating and cooling configurations. For heat pump systems, using hot water is recommended to maintain optimal performance. Ensure the HVAC system’s blower operates continuously during heat calls to prevent high temperatures. Proper installation and wiring are essential for compatibility and to avoid interference with the HVAC system’s operation. Always consult the manufacturer’s guidelines for specific system requirements and recommendations.
Installation Steps
Mount the Aprilaire 700 on the supply plenum or return duct, ensuring proper alignment and secure fastening; Connect the ductwork and airflow path according to the template provided.
Install the humidifier control in the return duct, ensuring the blower operates continuously during heat calls. Use hot water for heat pump systems to maintain optimal performance.
4.1 Mounting the Humidifier on the Supply Plenum
Mount the Aprilaire 700 on the supply plenum, ensuring proper alignment for even air distribution. Use the installation template to mark and drill holes accurately. Secure the unit firmly using screws provided in the kit to prevent vibration. Ensure the humidifier does not obstruct airflow or interfere with other HVAC components. Refer to the manufacturer’s guidelines for precise measurements and alignment. Proper installation on the supply plenum ensures optimal humidification performance and system efficiency. Always follow safety precautions and manufacturer instructions to avoid damage or malfunction.
4.2 Connecting the Ductwork and Airflow Path
Properly connect the ductwork to ensure optimal airflow and humidity distribution. Use the installation template to align the duct connections accurately. Secure the ductwork with approved materials, ensuring airtight seals to prevent leaks. Maintain the integrity of the airflow path to avoid obstructions. Refer to the manufacturer’s guidelines for specific duct sizing and configuration recommendations. Proper ductwork installation is critical for efficient humidification and system performance. Ensure all connections are tightly sealed to maximize airflow efficiency and humidity distribution throughout your home.
4.3 Installing the Humidifier Control in the Return Duct
Mount the humidifier control in the return duct, ensuring it is securely fastened and level. Follow the wiring diagram provided in the manual to connect the control to the humidifier and HVAC system. Ensure the control is powered correctly and test its operation before proceeding. Proper installation ensures accurate humidity sensing and efficient system operation. Refer to the manufacturer’s guidelines for specific wiring instructions and compatibility with your HVAC system. Always turn off the power before handling electrical components to avoid safety risks.
Electrical Connections
Refer to the wiring diagram for proper connections. Connect the transformer and relay, ensuring all circuits are correctly linked. Always turn off power before handling electrical components for safety.
5.1 Wiring the Humidifier Control Circuit
Follow the wiring diagram provided in the manual. Connect the 24VAC power supply to the humidifier control circuit, ensuring all wires are securely attached. Install the humidistat and sensors, connecting them to the control panel. Verify polarity to avoid damage. Use the included wiring connectors for a secure installation. Test the circuit before powering up the system to ensure proper functionality and safety. Refer to the manual for detailed instructions and diagrams to complete the wiring accurately.
5.2 Connecting the Transformer and Relay
Connect the transformer to the 24VAC circuit, ensuring proper wiring as per the diagram. Install the relay in the control circuit, following the manufacturer’s instructions. Use the correct terminals for power and signal connections. Avoid installing the current sensing relay in the transformer primary circuit. Ensure all connections are secure to prevent electrical issues. Refer to the wiring diagram for specific instructions on connecting these components. Verify connections before testing the system to ensure safe and proper operation. This step is crucial for the humidifier’s automatic functionality and system integration. Always follow safety guidelines during electrical connections.
5.3 Testing the Electrical Connections
After connecting the transformer and relay, turn on the power and test all electrical connections. Use a multimeter to verify 24VAC at the humidifier control. Check for proper voltage at the relay terminals. Ensure all wires are securely connected and not damaged. Test the system operation by running a manual cycle. Verify that the humidifier activates and deactivates correctly. If issues arise, consult the wiring diagram or troubleshooting guide. Proper testing ensures safe and efficient system performance, preventing future malfunctions. Always follow safety procedures when working with electrical systems.
Water Supply Setup
Connect the water supply line to the humidifier and install the drainage system. Ensure proper water flow and drainage to maintain efficient operation and prevent leaks or damage.
6.1 Connecting the Water Supply Line
To connect the water supply line for your Aprilaire 700, ensure proper installation to avoid leaks or water damage. Use a saddle valve to tap into your home’s water supply and connect it to the humidifier using PEX tubing. The water supply line should be routed to the humidifier’s water inlet, ensuring it is securely connected. For optimal performance, use hot water to improve humidification efficiency. After installation, test the connection by turning on the water supply and checking for leaks. Proper connections are crucial for safe and efficient operation.
6.2 Installing the Drainage System
Install the drainage system by connecting the drain line from the humidifier to a nearby floor drain or condensate pump. Use a trap in the drain line to prevent backflow and ensure proper drainage. The drain line should be sloped slightly downward to allow water to flow freely. Secure all connections with appropriate fittings to prevent leaks. After installation, test the drainage system by running water through it to ensure it functions correctly. Proper drainage is essential to avoid water damage or mold growth. Follow all local plumbing codes and safety guidelines during installation.
6.3 Testing the Water Flow and Drainage
After installing the water supply and drainage system, turn on the water supply and check for leaks at all connections. Ensure water flows smoothly into the humidifier and drains properly. Operate the system to verify that water flows and drains as expected. Check the drain line for any blockages or kinks that could restrict water flow. Ensure the drainage system is functioning correctly to prevent water accumulation, which could lead to mold or damage. Follow the manufacturer’s guidelines for testing and ensure all components are functioning as intended. Proper water flow and drainage are critical for efficient and safe operation of the Aprilaire 700 humidifier.
Final Installation Checks
Verify all connections are secure, test the system for leaks, and ensure proper airflow. Conduct a final safety inspection to confirm everything meets installation standards.
7.1 Verifying All Connections
After installation, inspect all electrical, water, and ductwork connections to ensure they are secure and properly sealed. Check for loose wires, tight fittings, and correct alignment. Verify the humidifier control is correctly linked to the HVAC system and sensors are functioning. Ensure the water supply line is connected without leaks and the drain system is properly routed. Confirm all components, including the transformer and relay, are securely fastened. Follow the manufacturer’s guidelines to test each connection for integrity and proper operation before finalizing the setup.
7.2 Ensuring Proper Airflow and Humidification
Verify that the humidifier is correctly mounted on the supply plenum and that the airflow path is unobstructed. Ensure the damper is fully open during operation for optimal air circulation. Check the humidistat settings to confirm they align with your desired humidity levels. Test the system by running the HVAC fan and monitoring moisture output. Adjust the humidistat or ductwork as needed to achieve balanced humidification. Proper airflow ensures efficient operation and prevents issues like over-humidification or reduced system performance.
7.3 Final Safety Inspection
Before operating the Aprilaire 700, conduct a thorough safety inspection. Ensure all electrical connections are secure and meet local codes. Verify that the water supply and drainage systems are leak-free and properly connected. Check for any blockages in the ductwork or airflow paths. Confirm that the humidifier is mounted securely on the plenum and that all safety features, such as the humidistat and overflow protection, are functioning correctly. Refer to the manual for specific safety checks and adjustments to ensure safe and efficient operation.
Operating the Aprilaire 700 Humidifier
Learn to operate the Aprilaire 700 by setting up the control panel, understanding the humidistat, and adjusting humidity levels for optimal indoor air quality.
8.1 Setting Up the Control Panel
The control panel is the central interface for managing your Aprilaire 700 humidifier. Begin by connecting the panel to your HVAC system and ensuring power is supplied. Use the touchscreen display to navigate through the menu-driven programming. Select the operation mode (automatic or manual) based on your preference. Set the desired humidity level using the humidistat, and configure the fan operation to run continuously or only when heating. Refer to the installation manual for detailed instructions to ensure proper setup and compliance with safety guidelines.
8.2 Understanding the Humidistat and Sensors
The humidistat is a critical component that measures indoor humidity levels and regulates moisture output. Sensors monitor temperature and airflow, ensuring the system operates efficiently. The humidistat automatically adjusts the humidifier’s output to maintain your desired humidity level, while sensors provide real-time feedback to prevent over-humidification or dry air. Proper calibration of these components ensures precise control and optimal performance, while also preventing issues like mold growth or condensation buildup. Regular checks and maintenance are essential to ensure accuracy and reliability over time.
8.3 Monitoring and Adjusting Humidity Levels
Regularly monitor the humidistat to ensure your desired humidity level is maintained. Adjust the settings as needed based on indoor comfort and seasonal changes. The system automatically responds to humidity levels, but manual adjustments may be necessary to optimize performance. Use the control panel to fine-tune settings, ensuring proper moisture levels without over-humidification. This helps prevent issues like mold growth or dry air while maintaining energy efficiency and system reliability. Always refer to the manufacturer’s guidelines for recommended humidity ranges and adjustment procedures.
Maintenance and Troubleshooting
Perform routine maintenance by cleaning the water panel and checking the humidistat. Address common issues like water leaks or uneven humidity by referencing the manufacturer’s troubleshooting guide;
9.1 Routine Maintenance Tasks
Regular maintenance ensures optimal performance. Clean the water panel and drain annually. Inspect and replace the humidistat if necessary. Check for mineral buildup and flush the drain line. Ensure the water supply is free of blockages. Refer to the Aprilaire 700 manual for detailed procedures. Maintain a clean environment around the unit to prevent contamination. Schedule annual professional inspections if needed. Proper upkeep extends the lifespan of your humidifier and maintains indoor air quality effectively.
9.2 Common Issues and Solutions
Common issues with the Aprilaire 700 include water leaks, low humidity output, and sensor malfunctions. Check water connections for tightness and inspect the drain system for blockages. Clean the water panel regularly to prevent mineral buildup. If humidity levels are inconsistent, ensure the humidistat is calibrated correctly. For faulty sensors, refer to the wiring diagram or replace them if necessary. Always consult the installation manual or contact a professional for unresolved issues to maintain optimal performance and avoid further complications.
9.3 Resetting the System
To reset the Aprilaire 700, turn off power to the system at the circuit breaker. Wait 30 seconds, then restore power. This resets the humidifier and control panel. If issues persist, check for error codes or blinking lights on the control panel. Refer to the installation manual for specific reset procedures. In some cases, reloading factory settings may be required. Always ensure the system is powered down before attempting any reset to avoid electrical issues. Regular resets can help maintain optimal performance and resolve unexpected malfunctions.
Resources and References
Refer to the Aprilaire 700 Installation Template and manufacturer support for detailed guides. Online tutorials and technical documentation provide additional troubleshooting and maintenance insights for optimal performance.
10.1 Aprilaire 700 Installation Template
The Aprilaire 700 Installation Template provides a step-by-step guide for proper setup and configuration. It includes detailed diagrams, safety guidelines, and compatibility notes for models 700 and 700M. The template ensures accurate mounting, wiring, and system integration, preventing errors during installation. Follow the outlined instructions to maintain warranty validity and achieve optimal performance. Refer to the template for specific requirements, such as duct placement and water supply connections. This resource is essential for both DIY enthusiasts and professionals to ensure a seamless installation process. Manufacturer support and online guides complement the template for additional assistance.
10.2 Manufacturer Support and Documentation
Aprilaire offers comprehensive support, including detailed manuals, spec sheets, and installation guides for the 700 and 700M models. The official website provides downloadable resources, ensuring access to the latest instructions and troubleshooting tips. Customer service is available for technical inquiries, and certified contractors can assist with complex installations. Genuine replacement parts are recommended to maintain performance and warranty validity. This support ensures a smooth installation process and optimal system operation, addressing both homeowner and professional needs effectively.
10.3 Online Guides and Tutorials
Various online platforms offer detailed guides and tutorials for the Aprilaire 700 installation. The official Aprilaire website provides downloadable manuals and troubleshooting tips. YouTube hosts video tutorials demonstrating step-by-step installations and maintenance. HVAC forums and community websites share real-world experiences and solutions. These resources are invaluable for both professionals and DIY enthusiasts, ensuring a successful and efficient setup. They complement the official documentation, offering visual and practical insights to address common challenges and optimize system performance.