This manual provides comprehensive instructions for installing the Aprilaire 700 humidifier, ensuring safe and proper setup for optimal performance and home comfort.
1.1 Overview of the Aprilaire 700 Humidifier
The Aprilaire 700 is a high-capacity, whole-house humidifier designed to provide optimal humidity control for large homes. It works in conjunction with HVAC systems, offering flexible installation options on either the supply plenum or return duct. The unit uses a fan-powered design to circulate air through a water-soaked evaporator pad, ensuring efficient moisture distribution. Its robust construction and advanced features make it a reliable choice for maintaining healthy indoor air quality year-round.
1.2 Key Features and Benefits
The Aprilaire 700 offers high-capacity humidification, delivering up to 18 gallons per day. It features a built-in fan for efficient air circulation and can be installed on either the supply plenum or return duct. The unit is compatible with both hot and cold water supplies, reducing installation complexity. Its digital humidistat ensures precise humidity control, while the evaporative technology minimizes water waste. Designed for large homes, it provides consistent humidity levels, improving indoor air quality and comfort.
Safety Instructions and Precautions
Always disconnect power before installation to avoid electrical shock. Follow all safety guidelines to prevent hazards and ensure proper system operation.
2.1 General Safety Guidelines
Always disconnect electrical power before starting installation to prevent shock. Follow all manufacturer instructions and safety precautions. Ensure proper installation to avoid water damage or electrical hazards. Keep the area clean and well-ventilated during setup. Use appropriate tools and wear protective gear. Adhere to local building codes and regulations. Never bypass safety features or ignore warnings. Ensure the system is grounded correctly. Avoid over-tightening connections to prevent damage. Keep children and pets away during installation; Refer to the manual for specific safety recommendations.
2.2 Electrical Safety Precautions
Disconnect the furnace’s power supply before beginning installation to eliminate shock risks. Avoid installing components in the transformer’s primary circuit. Ensure all wiring matches the provided diagram and local codes. Use a dedicated 120V circuit for Models 700M and 700A. Ground the system properly to prevent hazards. Never modify or bypass safety features. Keep wires secure and away from water sources. Test connections before restoring power. If unsure, consult a licensed electrician to ensure compliance with safety standards and prevent potential electrical issues.
Pre-Installation Steps
Verify all components and ensure the installation template is complete. Check the location is level and plan electrical and plumbing connections.
3.1 Verifying Parts and Components
Begin by carefully inspecting the Aprilaire 700 package contents. Ensure all listed components, such as the humidifier unit, control, wiring diagram, and installation template, are present. Check for any damage or missing items. Consult the parts list provided in the manual to confirm completeness. This step is crucial to avoid installation delays and ensure proper functionality of the humidifier system.
3.2 Choosing the Optimal Installation Location
Select a location for the Aprilaire 700 that ensures proper airflow and accessibility. It can be installed on either the supply plenum or the return duct, depending on your HVAC system. Place the humidifier near the furnace for efficient operation. Ensure the area is dry, avoiding spaces prone to standing water. Choose a spot with easy access for future maintenance. Proper placement enhances performance and simplifies upkeep, ensuring reliable humidity control throughout your home.
Installation Options
The Aprilaire 700 offers flexible installation options, including placement on the supply plenum or return duct, to accommodate various HVAC system configurations and space requirements.
4.1 Typical Installation Setup
The typical installation involves mounting the Aprilaire 700 on the supply plenum or return duct. It requires connecting the humidifier to the HVAC system, ensuring proper airflow and humidity distribution. The unit must be level and securely fastened to prevent vibration. Electrical connections should be made according to the wiring diagram, and water supply lines must be connected to a nearby water source. Drainage setup is also essential to prevent water overflow and damage.
4.2 Alternate Installation Configurations
Alternate setups allow flexibility, such as installing the Aprilaire 700 on the return duct or using a bypass duct for systems without a built-in bypass; This configuration ensures proper humidity distribution even in unique HVAC layouts. Additionally, the humidifier can be connected to a hot water supply for improved performance in colder climates. Always ensure the unit is level and securely mounted to maintain efficiency and prevent damage to the system.
Wiring and Electrical Connections
Follow the wiring diagram for safe connections, ensuring power is disconnected to avoid electrical shock. Refer to detailed instructions for proper setup and model compatibility.
5.1 Understanding the Wiring Diagram
The wiring diagram provides a visual guide for connecting the Aprilaire 700 humidifier to your HVAC system. It illustrates the transformer, sensor, and control connections. Ensure all wires match the diagram, and verify connections for proper function. Refer to the control manual for specific instructions. Follow the diagram carefully to avoid electrical issues and ensure safe installation. Proper wiring is crucial for the humidifier to operate efficiently and integrate seamlessly with your home’s heating system.
5.2 Detailed Wiring Instructions
Start by disconnecting power to the furnace. Install the transformer as specified, ensuring it is not connected to the primary circuit. Connect the brown wires to the transformer’s output terminals. Wire the humidistat according to the diagram, ensuring proper connections to the humidifier and HVAC system. Verify all connections match the wiring diagram. Double-check the setup before restoring power to avoid electrical hazards. Follow these steps carefully to ensure safe and correct installation of the Aprilaire 700 humidifier wiring system.
Plumbing Requirements
Connect the water supply line to the humidifier, using either hot or cold water. Install a drain line with a P-trap to prevent backflow and ensure proper drainage.
6.1 Connecting the Water Supply
Connect the water supply line to the humidifier, ensuring it is installed with a shut-off valve. Use a saddle valve for a secure connection to the home’s water supply. Choose between hot or cold water supply based on system requirements. Ensure the water pressure is within the recommended range for proper operation. For heat pump systems, using hot water is recommended to supplement the reduced supply air temperature. Refer to the manual for specific fitting sizes and connections to avoid leaks or damage.
6.2 Setting Up the Drain Line
Connect the drain line to the humidifier’s drain outlet and direct it to a suitable location, such as a floor drain or utility sink. Ensure the drain line is properly secured to prevent movement or kinking. Avoid connecting the drain line to the transformer primary circuit. Test the system after installation to ensure proper water flow and drainage. Regularly inspect the drain line for blockages or leaks to maintain efficient operation and prevent water damage. Proper drainage is essential for the humidifier’s performance and longevity.
Installing the Aprilaire Humidifier Control
Install the Aprilaire Humidifier Control in the return duct, ensuring correct orientation and secure mounting. Follow the enclosed instructions for wiring and setup procedures.
7.1 Mounting the Control in the Return Duct
Mount the Aprilaire Humidifier Control securely in the return duct, ensuring proper alignment and level placement. Use the provided screws to fasten it firmly to the duct surface. Ensure the control face is accessible for easy adjustments and monitoring. Follow the manufacturer’s guidelines for optimal positioning to maintain accurate humidity sensing and system performance. Proper installation ensures reliable operation and integrates seamlessly with your HVAC system for efficient humidity control.
7.2 Configuring the Control Settings
After mounting the Aprilaire 700 control, set the desired humidity level using the built-in humidistat. Choose between automatic or manual modes. In automatic mode, the system adjusts humidity based on current levels. For manual mode, set the target relative humidity between 30% to 50%; Adjust sensitivity and fan speed if necessary. Ensure proper integration with your HVAC system by verifying wire connections and checking the bypass damper setup. Schedule regular maintenance to clean filters and sensors for accurate readings. Refer to the manual for advanced settings and troubleshooting guides to optimize performance and prevent issues like over-humidification or electrical problems. Ensure the control is powered correctly, typically requiring a 24V supply, to avoid damage. By following these steps, you can efficiently configure the control settings for optimal operation and home comfort.
Post-Installation Checks
After installation, test the humidifier operation, ensure proper system integration, and verify all electrical and plumbing connections. Check for leaks and confirm correct control settings.
8.1 Testing the Humidifier Operation
Turn on the humidistat and ensure the humidifier activates when humidity levels are low. Check for water flow, proper drainage, and consistent operation. Verify that the system integrates with your HVAC, maintaining correct humidity levels. Monitor for leaks, unusual noises, or malfunctioning parts. Adjust settings as needed to ensure optimal performance and comfort. Ensure all safety features function correctly during operation.
8.2 Ensuring Proper System Integration
Verify that the Aprilaire 700 integrates seamlessly with your HVAC system. Ensure electrical connections align with the wiring diagram and that the humidistat is correctly mounted in the return duct. Check that the water supply and drain lines are properly connected to avoid leaks or condensation issues. Confirm that the system operates in harmony with your heating and cooling equipment, maintaining consistent humidity levels and overall home comfort.
Maintenance and Troubleshooting
Regularly inspect and clean the water panel to ensure optimal performance. Check for leaks and monitor humidity levels. Address common issues promptly to maintain efficiency and prevent damage.
9.1 Routine Maintenance Tasks
Perform routine maintenance by cleaning or replacing the water panel annually and checking the drain line for blockages. Ensure the humidifier is level and securely mounted. Inspect electrical connections for wear or damage. Replace the humidistat filter if applicable. Check the water supply line for leaks and ensure proper flow. Clean the outdoor sensor if installed. Regular maintenance ensures efficient operation, prevents mold growth, and extends the unit’s lifespan. Refer to the manual for specific guidance on each task.
9.2 Common Issues and Solutions
Common issues with the Aprilaire 700 include improper humidity levels, water leaks, or the humidifier not turning on. Check the water panel for mineral buildup and replace it annually. Ensure the drain line is clear of blockages and properly sloped. If the unit does not activate, verify electrical connections and the humidistat settings. For uneven humidity, inspect the outdoor temperature sensor for damage or misplacement. Addressing these issues promptly ensures efficient operation and prevents long-term damage to the system.
Successful installation of the Aprilaire 700 ensures optimal humidity control, enhancing comfort and protecting your home from dry air-related issues year-round.
10.1 Final Thoughts on the Installation Process
The Aprilaire 700 installation process, while detailed, is straightforward when following the manual. Adhering to safety guidelines and manufacturer instructions ensures proper function. Correct installation enhances humidity control, improving indoor air quality and home comfort. Regular maintenance, as outlined, is crucial for long-term efficiency. By carefully completing each step, you ensure reliable performance and protect your investment, making the Aprilaire 700 a valuable addition to your home’s HVAC system for years to come.
Additional Resources
Visit the official Aprilaire website for manuals, installation guides, and troubleshooting tips. Contact their customer support for further assistance with your Aprilaire 700 humidifier installation needs.
11.1 Manufacturer’s Support and Documentation
Aprilaire offers extensive support through their official website, including downloadable PDF manuals, installation templates, and troubleshooting guides for the Model 700 humidifier. Customers can access detailed wiring diagrams, parts lists, and maintenance tips to ensure proper setup and operation. Additionally, Aprilaire’s customer service team provides assistance for technical inquiries, while authorized dealers offer genuine replacement parts. These resources ensure installers and homeowners can maintain and repair the system effectively.