This manual provides step-by-step instructions for installing the Aprilaire 700M whole-house humidifier. It covers installation requirements, safety precautions, tools and materials, and installation steps. It also includes troubleshooting tips, maintenance guidelines, warranty information, and resources. Please read this manual carefully before starting installation.
Introduction
The Aprilaire 700M is a high-output, fan-powered humidifier designed to add moisture to the air in your home. It is ideal for larger homes or homes with dry climates. The 700M can be installed on either the supply plenum or cold air return of a forced air handling system. This manual provides detailed instructions on how to install the 700M humidifier, ensuring proper operation and optimal performance. Before beginning installation, carefully review the safety precautions outlined in this manual. This humidifier is designed to provide optimal humidity levels for a healthier and more comfortable living environment. It features a robust design, reliable performance, and easy maintenance, making it a valuable addition to any home heating system.
Installation Requirements
Before installing the Aprilaire 700M, ensure you meet the following requirements⁚
- Suitable HVAC System⁚ The 700M is designed for forced air handling systems with either a supply plenum or cold air return.
- Available Space⁚ Ensure sufficient space is available for the humidifier, considering its dimensions and serviceability needs.
- Water Supply⁚ A dedicated cold water supply line with a minimum pressure of 20 psi is required.
- Electrical Supply⁚ A 110-volt, 15-amp dedicated circuit is necessary to power the humidifier.
- Humidifier Control⁚ An Aprilaire humidifier control is required for proper operation and adjustment.
- Tools and Materials⁚ Refer to the “Tools and Materials” section for a complete list of necessary tools and materials.
- Qualified Installer⁚ For optimal installation and to ensure warranty validity, it is highly recommended to have a qualified HVAC technician install the 700M.
Meeting these requirements will ensure a smooth installation and optimal performance of the Aprilaire 700M humidifier.
Safety Precautions
Safety is paramount during the installation and operation of the Aprilaire 700M humidifier. Please adhere to the following safety precautions to prevent potential hazards and ensure a safe installation⁚
- Disconnect Power⁚ Before starting installation, always disconnect the electrical power to the furnace to prevent electric shock.
- Water Supply⁚ Turn off the water supply to the humidifier before disconnecting or connecting any water lines.
- Handle with Care⁚ The humidifier is delicate. Handle it with care to avoid damage.
- Protective Gear⁚ Wear safety glasses or goggles, gloves, and appropriate footwear to protect yourself from potential hazards.
- Avoid Dropping⁚ Dropping the humidifier can cause damage and potential injury. Handle it gently during installation.
- Children and Pets⁚ Keep children and pets away from the installation area to prevent accidents.
- Proper Ventilation⁚ Ensure proper ventilation in the installation area to prevent the accumulation of moisture.
- Professional Installation⁚ For optimal safety and to maintain warranty coverage, it is strongly recommended to have a qualified HVAC technician install the Aprilaire 700M.
Following these safety precautions will minimize risks and ensure a safe and successful installation.
Tools and Materials
To successfully install your Aprilaire 700M humidifier, you will need the following tools and materials. Ensure you have these items readily available before starting the installation process.
- Screwdriver⁚ A Phillips head screwdriver is essential for securing screws during installation.
- Wrench⁚ A wrench will be needed to tighten and loosen fittings for the water supply lines.
- Level⁚ A level is crucial for ensuring that the humidifier is mounted securely and evenly.
- Measuring Tape⁚ A measuring tape will help you accurately determine the required dimensions for installation.
- Utility Knife⁚ A utility knife can be used for cutting insulation or other materials.
- Drill⁚ A drill with appropriate bits may be needed for creating holes for mounting screws or securing the water supply lines.
- Pliers⁚ Pliers are useful for gripping and tightening fittings.
- Safety Glasses/Goggles: Protect your eyes from dust and debris during installation.
- Gloves⁚ Wear gloves for protection during installation.
- Aprilaire 700M Humidifier⁚ The humidifier itself, of course!
- Humidifier Control⁚ The control unit for the humidifier.
- Water Supply Lines⁚ Flexible or rigid copper or PVC lines to connect the humidifier to the water supply.
- Electrical Wiring⁚ Wiring to connect the humidifier to the electrical system.
- Mounting Hardware⁚ Screws, brackets, and other hardware necessary for securing the humidifier to the ductwork.
- Insulation⁚ Insulation material may be needed to seal any gaps around the humidifier to prevent air leakage.
Having all these tools and materials readily available will ensure a smooth and efficient installation process.
Installation Steps
The following steps outline the installation process for the Aprilaire 700M humidifier. Before proceeding, ensure that you have read and understood the safety precautions and have gathered all the necessary tools and materials.
- Locate the Installation Site⁚ Choose a suitable location for the humidifier, either on the supply plenum or the cold air return of your forced air handling system. Consider the humidifier’s dimensions and serviceability when making your selection.
- Prepare the Installation Area⁚ Ensure that the installation area is clean and free of obstructions. If necessary, remove any insulation or other materials that may interfere with the installation.
- Mount the Humidifier⁚ Securely mount the humidifier to the ductwork using the provided mounting hardware. Ensure that the humidifier is level and properly supported.
- Connect the Water Supply⁚ Connect the water supply lines to the humidifier and the water source. Use the appropriate fittings and ensure that the connections are secure and leak-free.
- Connect the Electrical Supply⁚ Connect the humidifier to the electrical system using the provided wiring. Make sure the electrical connections are safe and properly grounded.
- Connect the Humidifier Control⁚ Install the humidifier control in the cold air return duct. Follow the instructions provided with the control unit.
- Test and Adjust⁚ Once the installation is complete, turn on the humidifier and test its operation. Adjust the settings as needed to achieve the desired humidity level.
Following these steps will ensure a successful installation of your Aprilaire 700M humidifier. Remember to consult the instructions provided with the humidifier for specific details and any additional information.
Step 1⁚ Preparation
Before you begin the installation process, it’s crucial to ensure you have everything you need and have taken the necessary safety precautions. This step involves gathering the required tools and materials, preparing the installation area, and ensuring the safety of your workspace.
- Gather Tools and Materials⁚ Refer to the Aprilaire 700M installation manual for a comprehensive list of required tools and materials. This may include screwdrivers, wrenches, a level, drill, tape measure, wire strippers, electrical tape, and appropriate fittings for water and electrical connections;
- Prepare the Installation Area⁚ Locate the installation site, whether on the supply plenum or the cold air return, and ensure the area is clean and free of obstructions. Remove any insulation or materials that may interfere with the installation process.
- Safety First⁚ Prioritize safety by disconnecting the electrical power to the furnace before starting the installation. This prevents the risk of electrical shock. Wear safety glasses or goggles and gloves to protect yourself from potential injuries.
Completing these preparatory steps will make the installation process smoother and safer. Remember to always prioritize safety and follow the instructions provided with the Aprilaire 700M humidifier.
Step 2⁚ Mounting the Humidifier
Mounting the Aprilaire 700M humidifier is a crucial step in the installation process. Proper mounting ensures that the humidifier is secure and functions correctly. The following steps guide you through the process⁚
- Select the Installation Location⁚ Carefully select the location for mounting the humidifier. Consider the ductwork, accessibility for maintenance, and the humidifier’s dimensions. The Aprilaire 700M can be installed on the supply plenum or the cold air return. Ensure the location allows for proper airflow and that the humidifier is not obstructing any ductwork.
- Mount the Base Assembly⁚ Securely mount the base assembly of the humidifier to the chosen location. Use the provided mounting brackets and fasteners to attach the base assembly to the ductwork. Ensure the base is level and secure to prevent any shifting or movement during operation.
- Attach the Humidifier⁚ Once the base assembly is firmly mounted, carefully attach the humidifier to the base. Align the humidifier with the base assembly and connect it using the provided screws or latches. Ensure a secure connection to prevent the humidifier from detaching during operation.
After completing these steps, you have successfully mounted the Aprilaire 700M humidifier. Remember to always double-check the security of all connections and ensure the humidifier is mounted correctly before proceeding to the next step.
Step 3⁚ Connecting the Water Supply
Connecting the water supply to the Aprilaire 700M humidifier is a crucial step in the installation process. This step ensures a constant flow of water to the humidifier for proper operation. Follow these steps carefully⁚
- Locate the Water Supply Line⁚ Identify the water supply line that will be used for the humidifier. Ensure the line is a cold water line and that it has adequate water pressure. Consult with a plumber if you are unsure about the water supply line.
- Install the Water Supply Valve⁚ Install a shut-off valve on the water supply line near the humidifier. This valve allows you to easily turn off the water supply to the humidifier for maintenance or repairs.
- Connect the Water Supply Tubing⁚ Connect the water supply tubing provided with the humidifier to the water supply valve and the humidifier’s inlet port. Ensure a secure connection to prevent any leaks. Use the appropriate fittings and tighten them securely.
- Test for Leaks⁚ After connecting the water supply tubing, test for any leaks. Turn on the water supply valve and inspect all connections for any signs of leakage. If you find any leaks, tighten the connections or replace any damaged fittings.
Once you have successfully connected the water supply and verified that there are no leaks, you can proceed to the next step in the installation process. Always remember to turn off the water supply before working on any connections or components of the water supply system.
Step 4⁚ Connecting the Electrical Supply
Connecting the Aprilaire 700M humidifier to the electrical supply is a critical step that provides power to the humidifier’s internal components. This step must be performed with utmost care and safety in mind. Follow these instructions precisely⁚
- Disconnect Power to the Furnace⁚ Before starting any electrical work, always disconnect power to the furnace. Locate the main electrical breaker controlling the furnace and switch it off. This step is essential to prevent any electrical shocks during the installation process.
- Locate the Electrical Wire⁚ Identify the electrical wire that will be used for the humidifier. The humidifier requires a dedicated 110V power supply. Consult the humidifier’s installation instructions for the appropriate wire gauge and type.
- Connect the Electrical Wires⁚ Connect the electrical wires to the humidifier’s terminals. Ensure that the wires are properly connected to the correct terminals, following the color coding indicated in the installation instructions. Securely tighten the wire connections to prevent any loose contacts.
- Test the Electrical Connection⁚ After connecting the electrical wires, test the connection by turning on the power to the furnace. Verify that the humidifier is receiving power and that the fan is operating correctly. If the humidifier is not receiving power, double-check the wire connections and ensure that the power to the furnace is turned on.
Remember to always exercise caution when working with electrical wiring. If you are not comfortable with electrical work, consult a qualified electrician for assistance.
Step 5⁚ Connecting the Humidifier Control
The humidifier control is an essential component of the Aprilaire 700M system, responsible for monitoring and adjusting the humidifier’s operation to maintain the desired humidity levels. This step involves connecting the control to the humidifier and integrating it with the HVAC system. Follow these instructions to ensure a proper connection⁚
- Locate the Control⁚ Identify the humidifier control unit. The control is typically a small electronic device with a display and adjustment knobs. It may be included with the humidifier package or purchased separately.
- Choose the Installation Location⁚ Determine the best location for the humidifier control. It should be easily accessible for adjustments and monitoring. The control is often installed near the furnace or in the return air duct. Ensure that the selected location allows for proper airflow and ventilation.
- Connect the Control Wires⁚ Connect the control wires to the humidifier control unit and the humidifier. Refer to the installation instructions for the appropriate wire connections and color coding. Securely tighten the wire connections to prevent any loose contacts.
- Configure the Control Settings⁚ After connecting the control wires, program the control unit to match your desired humidity levels. The control unit may have settings for humidity setpoints, fan speed, and other parameters. Adjust these settings according to your needs and preferences.
- Test the Control System⁚ After configuring the control settings, test the system by operating the humidifier. Verify that the control is working properly and that the humidifier is responding to the control settings. If any issues arise, double-check the wire connections and refer to the troubleshooting guide in the installation manual.
By carefully following these instructions, you can ensure a proper connection between the humidifier control and the Aprilaire 700M humidifier, allowing for optimal humidity control within your home.
Step 6⁚ Testing and Adjustment
Once the Aprilaire 700M humidifier is installed and connected, it’s essential to thoroughly test its operation and make any necessary adjustments to ensure optimal performance. This step involves verifying the humidifier’s functionality, adjusting the humidity levels, and monitoring the system for any issues. Follow these instructions to complete the testing and adjustment process⁚
- Run the Humidifier⁚ Turn on the humidifier and allow it to run for a period of time. Monitor the humidifier’s operation and ensure that it is producing a steady stream of moisture and distributing it evenly throughout the air system. Listen for any unusual noises or vibrations, which could indicate a problem with the humidifier or its components.
- Check the Humidity Levels⁚ Use a hygrometer to measure the relative humidity levels in different areas of your home. Compare the readings to your desired humidity levels. Adjust the humidifier’s output settings as needed using the control panel to achieve the desired humidity levels; It may take some time for the humidifier to stabilize the humidity levels in your home.
- Inspect for Leaks⁚ Inspect the humidifier and its connections for any leaks. Look for signs of water dripping or pooling around the humidifier, water lines, or any connections. If you discover any leaks, immediately shut off the water supply and investigate the source of the leak. Address any leaks promptly to prevent damage and ensure safe operation.
- Monitor the System⁚ Continue to monitor the humidifier’s performance over the next few days. Observe the humidity levels, check for any leaks or issues, and make any necessary adjustments to the settings as needed. This ongoing monitoring will help you ensure that the Aprilaire 700M humidifier is operating efficiently and effectively.
By following these testing and adjustment steps, you can ensure that the Aprilaire 700M humidifier is properly installed, functioning correctly, and providing the optimal humidity levels for your home.
Troubleshooting
While the Aprilaire 700M humidifier is designed for reliable operation, it’s possible to encounter occasional problems or malfunctions. This section provides troubleshooting tips to help you diagnose and resolve common issues. If you’re experiencing difficulties with your humidifier, consult this guide before contacting customer support.
- No Water Flow⁚ If the humidifier is not producing moisture, check the water supply line for blockages, kinks, or leaks. Ensure the water valve is open and the water pressure is sufficient. Verify that the humidifier’s water inlet filter is clean and unobstructed. If the problem persists, inspect the water pump for proper operation and check the water inlet solenoid valve for any malfunction.
- Humidifier Not Turning On⁚ If the humidifier is not turning on, check the electrical connections and ensure that the power supply is working correctly. Verify that the power switch is in the “on” position and that the circuit breaker is not tripped. Inspect the humidifier’s internal wiring for any loose connections or damage. Additionally, check the humidifier’s control panel for any error messages or indicators.
- Humidifier Making Noise⁚ If the humidifier is making unusual noises, check the fan motor for proper operation. Ensure that the fan blades are free of debris and that the fan motor bearings are lubricated. Inspect the humidifier’s water tray for any clogs or obstructions. Verify that the humidifier is properly mounted and secured to the air duct.
- Humidity Levels Not Stable⁚ If the humidity levels in your home are not stable, check the humidifier’s settings and ensure that the desired humidity level is correctly programmed. Verify that the humidifier’s sensor is clean and unobstructed. If the problem persists, adjust the humidifier’s output settings based on the humidity readings in different areas of your home. Consider factors like the size of your home, the number of occupants, and the overall air circulation in your home.
If you’re unable to resolve the issue after following these troubleshooting steps, contact Aprilaire customer support for further assistance.
