Safety Precautions for Aprilaire Model 700 Installation

Installation must be performed by a qualified HVAC technician to avoid serious injury from electrical shock or equipment damage.

Always disconnect power to the furnace and shut off the hot water supply before starting installation to prevent accidents.

Ensure compliance with local‚ state‚ and federal codes to avoid property damage or safety hazards.

Avoid installing the humidifier in areas where freezing temperatures may occur‚ as this could cause water line damage.

Do not install the humidifier on the furnace jacket or plenum face where cooling coils may restrict airflow.

Use only genuine Aprilaire parts and follow the provided wiring diagram to ensure safe and proper operation.

Avoid exceeding recommended humidity levels to prevent condensation damage or moisture accumulation.

Install the humidifier on the supply plenum or cold air return‚ ensuring proper orientation and serviceability.

Use hot water supply for maximum effectiveness‚ as recommended for Aprilaire humidifiers.

1.1 General Safety Instructions

Always disconnect power to the furnace and shut off the hot water supply before starting installation to prevent electrical shock or burns.

Ensure the installation is performed by a qualified heating and air conditioning contractor to avoid serious injury or equipment damage.

Read and follow all safety instructions and installation templates provided with the Aprilaire Model 700 humidifier.

Avoid installing the humidifier in areas where freezing temperatures could occur‚ as this may cause water line damage.

Do not install the humidifier on the furnace jacket or plenum face where cooling coils may restrict airflow.

Use care when handling sharp edges of the humidifier or plenum openings to prevent cuts.

Ensure the humidifier is installed in compliance with local‚ state‚ and federal codes to avoid property damage or safety hazards.

Never exceed recommended humidity levels‚ as this could lead to condensation damage or moisture accumulation.

Use only genuine Aprilaire parts and follow the provided wiring diagram for safe and proper operation.

1.2 Electrical Safety Warnings

Disconnect power to the furnace and humidifier before starting installation to prevent electrical shock.

Use a 120V AC power source separate from the furnace motor circuit to avoid component failure.

The transformer can be powered from the hot 120V AC line but must not be wired into the furnace blower circuit.

Consult the furnace manufacturer for voltage and operation parameters of accessory terminals‚ which may be labeled as HUM‚ ACC‚ or EAC.

Do not connect the Model 700M or 700A power cord to multi-speed furnace blower motors or non-120VAC motors to prevent premature failure.

Use the Model 50 Current Sensing Relay (not supplied) if required for proper operation.

Ensure all wiring complies with local‚ state‚ and federal electrical codes to avoid hazards.

Avoid installing the humidifier in areas with water pressure exceeding 125 psi to prevent damage.

Always follow the provided wiring diagram and instructions for safe electrical connections.

1.3 Environmental and Installation Hazards

Do not install the Aprilaire Model 700 in areas where freezing temperatures may occur‚ as this can cause water lines to freeze and crack.

Avoid installing the humidifier on the furnace jacket or plenum face where cooling coils may obstruct airflow.

Do not set humidity levels above recommended values to prevent condensation damage on windows or unheated spaces.

Ensure the installation location has proper drainage to avoid water accumulation and potential moisture issues.

Do not install the humidifier where water pressure exceeds 125 psi‚ as this may damage the unit.

Avoid areas with static pressure that could impede performance or cause structural issues.

Ensure the humidifier is installed in a well-ventilated area to prevent mold growth and maintain indoor air quality.

Always follow local‚ state‚ and federal codes to ensure safe and compliant installation.

Installation Options for Aprilaire Model 700

The Aprilaire Model 700 can be installed on either the supply plenum or cold air return of a forced air system for optimal performance.

Ensure the chosen location allows easy access for maintenance and service‚ considering the unit’s dimensions and serviceability.

Installation on horizontal airflow ducts is not recommended‚ as it may reduce efficiency and airflow performance.

Use hot water supply for maximum effectiveness‚ as recommended for Aprilaire humidifiers‚ especially in heat pump systems.

The unit must be installed by a qualified HVAC technician to ensure compliance with safety standards and proper functionality.

2.1 Typical Installation Setup

The Aprilaire Model 700 is typically installed on the supply plenum or cold air return of a forced air system‚ ensuring proper airflow and humidity distribution.

The humidifier should be oriented correctly relative to cooling coils to maintain efficiency and prevent restricted airflow.

Install the unit in a location with easy access for maintenance and service‚ considering its dimensions and serviceability.

Use the provided installation template to mark openings for the humidifier and ensure proper alignment with ductwork.

Connect the humidifier to a hot water supply for optimal performance‚ especially in heat pump systems.

Ensure the unit is installed by a qualified HVAC technician to comply with safety standards and manufacturer recommendations.

Place the humidifier control in the return duct for accurate humidity sensing and system regulation;

Use a 24V transformer for wiring if necessary‚ following the wiring diagram provided in the manual.

Avoid installing on horizontal airflow ducts‚ as this may reduce performance.

Ensure proper drainage to prevent water damage and maintain system efficiency.

2.2 Alternate Installation Configurations

For non-traditional setups‚ the Aprilaire Model 700 can be configured to suit specific HVAC systems or space constraints.

  • Wall-mount installation is possible for homes with limited duct space‚ ensuring proper clearance and accessibility.
  • Horizontal airflow ducts are not recommended‚ but alternative mounting orientations can be explored if vertical installation isn’t feasible.
  • The humidifier can be integrated with heat pump systems by using hot water supply for enhanced performance.
  • For homes without drain access‚ consider alternative drainage solutions like a drain trap or gravity-fed system.
  • Bypass installation allows the humidifier to operate independently of the furnace‚ ensuring consistent humidity control.

Always consult local codes and manufacturer guidelines for non-standard setups to ensure safety and efficiency.

2.3 Choosing the Right Location for the Humidifier

Proper placement of the Aprilaire Model 700 ensures optimal performance and longevity. The humidifier can be installed on either the supply plenum or the cold air return duct‚ depending on space and accessibility. Avoid locations where freezing temperatures may occur‚ as this can damage the water line. Ensure the unit is not installed on the furnace jacket or near cooling coils that may restrict airflow. Choose a location with adequate clearance for maintenance and water panel replacement. Avoid areas with high humidity or condensation to prevent moisture-related issues. Proper orientation relative to cooling coils is essential for efficient operation. Always consider local codes and manufacturer guidelines for placement.

Wiring and Controls for Aprilaire Model 700

Use a 24V transformer for wiring‚ ensuring it is not connected to the furnace blower circuit. Follow the wiring diagram for digital or manual controls‚ as specified‚ to ensure safe and proper operation. Always comply with UL standards and manufacturer guidelines for electrical connections. This setup ensures efficient humidity control and system integration. Proper wiring prevents electrical hazards and optimizes performance. Refer to the control installation manual for detailed instructions and safety precautions. Ensure all connections are secure and meet local codes.

3.1 Digital Humidifier Control Wiring

The Aprilaire Model 700 digital humidifier control requires precise wiring to ensure optimal performance. Use a 24V transformer and connect it to the humidifier control circuit‚ avoiding the furnace blower circuit. Refer to the wiring diagram provided in the manual for step-by-step instructions. Ensure all connections are secure and comply with UL standards. The digital control enables automatic humidity sensing and adjustment‚ so proper wiring is critical for accurate operation. Follow manufacturer guidelines to prevent electrical hazards and ensure efficient system integration. Always test the wiring before powering up the humidifier to verify functionality and safety. This ensures reliable operation and avoids potential issues.

3.2 Manual Control Wiring Instructions

For manual control wiring of the Aprilaire Model 700‚ ensure the system is powered off before starting. Connect the Model 50 Current Sensing Relay to the 24VAC humidifier control circuit‚ avoiding the transformer. This relay monitors the furnace blower motor to synchronize humidifier operation. Use the provided wiring diagram to connect terminals correctly. Ensure all connections are secure and meet safety standards. Do not wire the transformer into the furnace blower circuit to prevent premature component failure. Follow these steps carefully to ensure manual control operates safely and efficiently‚ providing consistent humidity levels without automation. Always test the wiring before use.

3.3 Wiring Diagram and Connections

Refer to the wiring diagram provided in the manual for precise connections. Connect the Model 50 Current Sensing Relay to the 24VAC humidifier control circuit‚ ensuring it is not installed in the transformer. The relay monitors the furnace blower motor to synchronize operation. Connect terminals according to the diagram‚ ensuring secure connections to avoid electrical issues. Use the recommended wiring options outlined in the control instructions. The transformer can be powered from the hot 120VAC line before entering the furnace‚ but it must not be wired into the furnace blower circuit. Consult the furnace manufacturer for terminal labels and voltage parameters. Follow the diagram carefully for proper installation.

Maintenance and Upkeep of Aprilaire Model 700

Regular maintenance ensures optimal performance. Replace the water panel annually to prevent mineral buildup. Clean the humidifier and drain hose regularly to avoid blockages. Inspect electrical connections for security and wear. Replace worn parts promptly to maintain efficiency and safety.

4.1 Routine Maintenance Tasks

Perform routine maintenance tasks to ensure your Aprilaire Model 700 operates efficiently. Replace the water panel annually to prevent mineral buildup and maintain humidity control. Clean the humidifier’s interior and drain hose regularly to prevent blockages and bacterial growth. Check electrical connections for tightness and wear. Ensure the drain is functioning properly to avoid water overflow. Inspect and replace any worn-out parts promptly. Regularly check the water supply line for leaks or damage. Maintain the recommended humidity levels to prevent condensation issues. Schedule annual professional inspections to ensure optimal performance and longevity of the system. Always refer to the official manual for detailed maintenance instructions.

4.2 Water Panel Replacement and Care

Replace the water panel annually to maintain efficiency and prevent mineral buildup. Turn off water supply before removal to avoid leaks. Clean the water panel evaporator assembly gently with a soft brush to remove debris. Inspect for damage or wear; replace if necessary. Reinstall the assembly securely after cleaning or replacing. Ensure proper alignment to maintain even water distribution. Regularly check water pressure‚ as excessive pressure may damage components. Use genuine Aprilaire replacement parts for optimal performance. Dispose of old panels responsibly. Follow the manufacturer’s guidelines for care and replacement to ensure the humidifier operates effectively and prolongs its lifespan. Maintain a clean environment around the water panel to prevent contamination.

4.3 Drainage and Water Supply Management

Ensure proper drainage by connecting the drain spud to a floor drain or suitable receptacle. Avoid water pressure exceeding 125 psi to prevent damage. Use hot water for optimal performance‚ as it supplements heat for evaporation. Regularly inspect and clean the water supply line to prevent mineral buildup. If drain access is unavailable‚ consider alternate solutions like the Aprilaire 400 Series. Always shut off the water supply before servicing. Use a drain pan if installation is in a high-traffic area. Ensure the water supply is clean to maintain hygiene. Regularly check for leaks and tighten connections as needed. Maintain proper drainage to prevent stagnant water issues.

Troubleshooting Common Issues

Check electrical connections for power issues‚ ensure proper water flow‚ and verify drainage functionality to address common installation-related problems effectively and safely.

5;1 Identifying and Resolving Electrical Issues

Ensure the humidifier is disconnected from power before troubleshooting electrical issues to prevent shock. Check for loose or faulty wiring connections‚ especially at the transformer and control terminals. Verify that the power source is 120VAC and not connected to the furnace blower circuit. Use a multimeter to test voltage at the humidifier control and ensure proper polarity. If issues persist‚ consult the wiring diagram or contact Aprilaire customer support for assistance. Always follow safety guidelines and manufacturer recommendations to resolve electrical problems safely and effectively. Proper installation and regular maintenance can prevent most electrical issues.

5.2 Addressing Water Flow and Humidity Problems

Check for proper water pressure and flow to the humidifier‚ ensuring it meets the recommended 125 psi maximum to prevent damage. Inspect the water panel for mineral buildup or blockages‚ replacing it if necessary. Verify the drain installation is correct‚ as improper drainage can lead to stagnant water issues. Ensure the humidifier is set to the recommended humidity levels to avoid condensation or moisture accumulation. If water flow is inconsistent‚ check for kinks or obstructions in the supply line. Refer to the manufacturer’s guidelines for adjusting the humidistat or water flow rate. Regular maintenance and replacement of components can prevent recurring issues. Always follow the installation manual for troubleshooting steps. Proper water flow and humidity control are essential for optimal performance and home comfort.

5.3 Solving Common Installation-Related Problems

Ensure the humidifier is installed on the correct plenum or return duct‚ avoiding restricted airflow areas. Verify the orientation aligns with cooling coils for proper function. Check for secure electrical connections and ensure the transformer is powered correctly. If the humidifier isn’t turning on‚ inspect the wiring diagram and ensure all components are properly connected. Address any water supply issues by checking for leaks or blockages. For improper humidity levels‚ adjust the humidistat or ensure the outdoor temperature sensor is functioning. Regularly clean and maintain the water panel to prevent mineral buildup. Consult the installation manual for detailed troubleshooting steps and solutions to ensure optimal performance. Proper installation and maintenance are key to resolving common issues effectively. Always follow manufacturer guidelines for repairs and adjustments.

Manufacturer Recommendations and Support

Contact Aprilaire customer support at 800/334-6011 for assistance with installation or troubleshooting. Refer to the official installation manual for detailed guidance and warranty information. Ensure compliance with all manufacturer recommendations for optimal performance and safety.

6.1 Contacting Aprilaire Customer Support

For assistance with your Aprilaire Model 700 installation‚ contact customer support at 800/334-6011 or visit their official website for resources and troubleshooting guides.

Their team is available to address installation queries‚ wiring issues‚ and maintenance concerns‚ ensuring your humidifier operates efficiently and safely.

Refer to the official AprilAire website for manuals‚ FAQs‚ and support documents to resolve common issues and optimize performance.

Professional installation by an AprilAire-certified technician is highly recommended for complex setups or warranty validation.

Reach out to their support team for any pre- or post-installation inquiries to ensure your system meets manufacturer standards and functions correctly.

6.3 Warranty and Service Information

6.2 Accessing Official Installation Manuals and Guides

Visit the official Aprilaire website at www.aprilaire.com to download the Model 700 installation manual and guides.

The manual provides detailed instructions for installation‚ wiring‚ and maintenance to ensure proper setup and operation.

Refer to the “Support” section on their website for downloadable PDF manuals‚ troubleshooting guides‚ and product specifications.

For Model 700‚ the manual includes safety precautions‚ wiring diagrams‚ and installation templates to help you avoid common errors.

Always use official Aprilaire resources to ensure compliance with manufacturer recommendations and warranty terms.

Print or save the manual for easy reference during installation and future maintenance tasks.

Leave a Reply