Product Overview
The Lennox CX35-48C-6F-20 is a high-efficiency indoor coil designed for 1.5- to 5-ton capacities, featuring a factory-installed R-410A thermostatic expansion valve for optimal performance and compatibility with Lennox systems.
1.1 Key Features of the Lennox CX35-48C-6F-20
The Lennox CX35-48C-6F-20 features a 1.5- to 5-ton capacity, upflow, full-cased design, and factory-installed R-410A thermostatic expansion valve for efficient operation. Its aluminum tube construction enhances heat transfer and durability. The coil is designed for compatibility with Lennox furnaces and systems, ensuring seamless integration. It also includes a large surface area for improved performance and energy efficiency, making it a reliable choice for heating and cooling systems.
1.2 Design and Compatibility
The Lennox CX35-48C-6F-20 is designed as an upflow, full-cased indoor coil, compatible with Lennox furnaces and systems. Its compact design ensures easy installation and integration with various heating and cooling setups. The coil features a durable construction and is engineered to work seamlessly with Lennox products, providing reliable performance and efficiency in residential applications. Its size and configuration make it adaptable to different system requirements.
Installation Instructions
Follow the official manual for proper installation, ensuring compliance with local codes and manufacturer guidelines for a safe and efficient setup of the Lennox CX35-48C-6F-20.
2.1 Pre-Installation Requirements
Before installing the Lennox CX35-48C-6F-20, ensure compatibility with your HVAC system and verify the nominal size and tonnage match your setup. Prepare the installation site, ensuring it is level, clean, and accessible. Check the unit for damage and ensure all components are included. Review the manual thoroughly to understand safety precautions and installation steps. Ensure compliance with local building codes and regulations. Have all necessary tools and materials ready. Proper ventilation and electrical connections must be in place before starting the installation.
2.2 Step-by-Step Installation Guide
Unpack and inspect the Lennox CX35-48C-6F-20 for damage. Ensure all components are included.
Prepare the installation site, ensuring it is level and accessible.
Connect the refrigerant lines to the coil, following the manufacturer’s guidelines.
Install the drain pan and ensure proper drainage.
Mount the coil in the desired location, aligning it with your HVAC system.
Connect the electrical connections, referring to the wiring diagram in the manual.
Test the system to ensure proper operation and performance.
Verify all connections are secure and leak-free.
Follow safety precautions and ensure compliance with local codes.
Technical Specifications
The Lennox CX35-48C-6F-20 features R-410A refrigerant compatibility, upflow design, and a thermostatic expansion valve for efficient operation. It supports 1.5- to 5-ton capacities and ensures reliable performance.
3.1 Nominal Size and Tonnage
The Lennox CX35-48C-6F-20 is designed for a nominal size of 48C and offers a tonnage range of 1.5 to 5 tons, ensuring compatibility with various HVAC systems. This range allows it to serve different home sizes and heating/cooling needs efficiently. Its modular design supports multiple configurations, making it versatile for installation in different spaces. The unit’s specifications ensure optimal performance across all tonnage settings.
3.2 Dimensions and Connections
The Lennox CX35-48C-6F-20 features dimensions of 29.5 x 24.5 x 21 inches, ensuring a compact fit for various installation spaces. It includes 3/4-inch and 3/8-inch line connections, facilitating compatibility with standard HVAC systems. The unit’s design accommodates easy integration with Lennox furnaces and other components, while the drain pan supports a maximum service temperature, ensuring reliable operation in diverse settings.
The Lennox CX35-48C-6F-20 supports various accessories, including Teflon rings and liquid line orifice housings, enhancing performance and customization. Genuine OEM parts are available for optimal compatibility. The Lennox CX35-48C-6F-20 is compatible with a range of accessories, including Teflon rings, liquid line orifice housings, and R-410A expansion valves. These parts ensure optimal performance and customization. Genuine Lennox components are recommended for reliability and system longevity. Accessories can be ordered directly from Lennox or authorized distributors to maintain warranty validity and system efficiency. Always verify compatibility before installation. To order replacement parts for the Lennox CX35-48C-6F-20, visit the official Lennox website or authorized distributors. Use the model number to search for genuine Lennox parts. Contact customer support for assistance or verify part compatibility. Ensure to purchase from authorized dealers to maintain warranty validity. Genuine Lennox parts guarantee optimal performance and reliability. Always check the model number before placing an order. Regularly clean the drain pan and inspect for blockages. Check the expansion valve and refrigerant lines for leaks. Address blinking red lights by consulting the manual. Regularly inspect and clean the drain pan to prevent mold and water damage. Check the refrigerant lines for leaks and ensure proper insulation. Clean the coil surfaces to maintain airflow and efficiency. Inspect the expansion valve for proper function and replace if necessary. Schedule annual professional maintenance to ensure optimal performance and prolong system lifespan. Common issues include a blinking red light, indicating a system malfunction, and reduced airflow due to a blocked coil. Solutions involve checking the user manual for error codes, cleaning the coil surfaces, and ensuring proper installation. Refrigerant leaks can be resolved by inspecting and tightening connections. Drain pan issues may require cleaning or replacing the pan to prevent water damage. Always refer to the manual for specific troubleshooting steps. Always follow installation and maintenance guidelines to ensure safe operation. Improper handling or installation can lead to system malfunctions or safety hazards. Always follow safety guidelines when handling the Lennox CX35-48C-6F-20. Proper installation and maintenance are crucial to prevent hazards. Avoid improper adjustments or alterations, as they can lead to system malfunctions. Ensure all electrical connections are secure and meet local codes; Use genuine Lennox replacement parts to maintain safety and performance. Adhere to the manufacturer’s instructions for installation, operation, and maintenance to ensure safe and efficient operation. To ensure safe and effective installation of the Lennox CX35-48C-6F-20, always handle the unit with care to avoid damage. Use appropriate lifting techniques and wear protective gear. Install the coil in an upright position, ensuring proper alignment with the furnace. Follow the manufacturer’s guidelines for connections and ensure all electrical and refrigerant lines are securely fastened. Proper grounding and leveling are essential for optimal performance and safety. The Lennox CX35-48C-6F-20 is backed by a limited warranty, typically covering parts for 5 years. Lennox provides dedicated customer support, including online resources and troubleshooting guides, to ensure optimal performance and address any concerns. The Lennox CX35-48C-6F-20 is covered by a limited warranty, typically offering 5-year coverage for parts. Specific components may have varying warranty durations. Proper installation by a certified technician is often required to validate the warranty. For detailed terms, refer to the official manual or Lennox’s website. Warranty conditions may include regular maintenance and adherence to manufacturer guidelines to ensure coverage remains effective. Lennox provides comprehensive support for the CX35-48C-6F-20, including online access to manuals, troubleshooting guides, and FAQs. Customers can contact Lennox’s customer service team for assistance or locate authorized service providers through their website. Additionally, Lennox offers a dealer network for in-person support, ensuring users can resolve issues promptly and efficiently. This extensive support system enhances the overall ownership experience. The Lennox CX35-48C-6F-20 complies with local codes and environmental standards, ensuring safe and efficient operation while meeting regulatory requirements for HVAC systems. The Lennox CX35-48C-6F-20 is designed to meet local building codes and regulations, ensuring safe and proper installation. It adheres to HVAC standards, making it suitable for various regions. Compliance with local codes is verified during manufacturing, and installers must follow regional requirements for proper setup. This ensures the system operates safely and efficiently, meeting all necessary legal and environmental standards. The Lennox CX35-48C-6F-20 complies with strict environmental and safety standards, utilizing eco-friendly R-410A refrigerant to minimize ozone depletion. Its design incorporates safety features to prevent hazards during operation, ensuring protection for both users and the environment. The system adheres to energy efficiency guidelines, contributing to reduced carbon footprint while maintaining high performance levels for reliable and safe heating and cooling solutions. Access the Lennox CX35-48C-6F-20 manual online for detailed installation, maintenance, and troubleshooting guides. It includes essential safety precautions, technical specifications, and warranty details for proper usage and compliance. To access the official manual for the Lennox CX35-48C-6F-20, visit the Lennox website and search for the model number. The manual is available in PDF format and includes detailed installation instructions, maintenance tips, and troubleshooting guides. Ensure compliance with local codes and safety standards by following the outlined procedures. This resource is essential for homeowners and technicians. In addition to the official manual, Lennox provides supplementary guides, including installation instructions, technical bulletins, and warranty information. These resources offer detailed insights into specific aspects of the CX35-48C-6F-20, such as troubleshooting and maintenance. Visit the Lennox website or contact authorized dealers to access these materials, ensuring comprehensive support for installation, operation, and long-term care of your unit. The Lennox CX35-48C-6F-20 features an R-410A thermostatic expansion valve and large surface area, ensuring efficient heat transfer and energy savings. Designed to meet environmental standards for reduced emissions. The Lennox CX35-48C-6F-20 incorporates energy-saving features such as the factory-installed R-410A thermostatic expansion valve, which optimizes refrigerant flow and system performance. The coil’s large surface area enhances heat transfer efficiency, contributing to reduced energy consumption. Additionally, its compatibility with high-efficiency Lennox systems ensures enhanced overall energy savings and environmental compliance. These features make it an eco-friendly choice for homeowners seeking energy-efficient solutions. The Lennox CX35-48C-6F-20 coil is designed for optimal operational efficiency, featuring a high-performance R-410A refrigerant system and large surface area for enhanced heat transfer. Its upflow design ensures smooth airflow and compatibility with Lennox furnaces, maximizing system integration. This coil operates efficiently across a wide range of conditions, providing consistent temperatures and reliable performance while minimizing energy waste. The Lennox CX35-48C-6F-20 is designed to seamlessly integrate with Lennox furnaces and air handlers, ensuring optimal system performance and efficiency in heating and cooling applications. The Lennox CX35-48C-6F-20 indoor coil is specifically designed to integrate seamlessly with Lennox furnaces, particularly upflow models, ensuring efficient heating and cooling performance. Its factory-installed R-410A thermostatic expansion valve enhances compatibility and system efficiency. The coil’s design allows for straightforward installation with Lennox furnaces, providing a reliable and high-performance heating and cooling solution for residential applications. The Lennox CX35-48C-6F-20 is engineered to be compatible with a wide range of Lennox HVAC systems, including air handlers, heat pumps, and thermostats. Its design ensures seamless integration with Lennox components, optimizing system performance and efficiency. This compatibility allows for a cohesive and reliable heating and cooling solution, tailored to meet various home comfort needs effectively. Users often inquire about the blinking red light on their Lennox furnace, which typically indicates normal operation or a need for maintenance, as detailed in the manual; Users frequently ask about the blinking red light on their Lennox furnace, which is usually a normal operational indicator or a signal for routine maintenance. Others inquire about the correct installation procedures and compatibility of the Lennox CX35-48C-6F-20 with their existing HVAC systems. Additionally, there are questions regarding the replacement of parts and how to troubleshoot common issues, as outlined in the manual. Experts explain that the blinking red light on Lennox furnaces is typically a normal indicator of operation or a reminder for routine maintenance. Installation should always follow the manual’s guidelines to ensure compatibility with Lennox systems. For parts replacement, genuine Lennox components are recommended, and troubleshooting steps are detailed in the manual. Proper maintenance enhances system efficiency and longevity, ensuring optimal performance.
Accessories and Parts
4.1 Compatible Parts and Accessories
4.2 Ordering Replacement Parts
Maintenance and Troubleshooting
5.1 Routine Maintenance Tips
5.2 Common Issues and Solutions
Safety Precautions
6.1 Important Safety Warnings
6.2 Proper Handling and Installation Practices
Warranty and Support
7.1 Manufacturer Warranty Details
7.2 Customer Support and Resources
Compliance and Regulations
8.1 Compliance with Local Codes
8.2 Environmental and Safety Standards
User Manuals and Documentation
9.1 Accessing the Official Manual
9.2 Additional Literature and Guides
Energy Efficiency and Performance
10.1 Energy-Saving Features
10.2 Operational Efficiency
Compatibility with Lennox Systems
11.1 Integration with Lennox Furnaces
11.2 Compatibility with Other Lennox Products
Frequently Asked Questions
12.1 Common Questions from Users
12.2 Answers from Experts
