Lennox SL280UHV Installation Instructions

Lennox SL280UHV manual cover
Pages 72
Year 2011
Language(s)
English en

Lennox SL280UHV Specification

The Lennox SL280UHV is a high-efficiency gas furnace designed for optimal home comfort and energy savings. It features a variable-speed motor that enhances airflow, resulting in consistent temperature control and improved air quality throughout the home. The furnace operates with an AFUE rating of 80%, meaning it efficiently converts 80% of its fuel into heat, thus reducing energy consumption. The SL280UHV is equipped with Lennox's SilentComfort technology, ensuring quiet operation by minimizing sound levels. This model incorporates a robust aluminized steel heat exchanger, which provides reliable and durable performance, enhancing its longevity.

The furnace’s Ultra-Low Continuous Fan function maintains a gentle airflow, contributing to a quieter and more consistent temperature distribution. It is compatible with Lennox's iComfort thermostats, allowing for advanced climate control and system diagnostics. The SL280UHV supports flexible installation options, making it suitable for a variety of home configurations. It also integrates with the Healthy Climate UV germicidal lights and PureAir air purification system to improve indoor air quality.

Environmentally, the SL280UHV is designed to minimize emissions and complies with California's South Coast Air Quality Management District (SCAQMD) standards for low NOx emissions. Its energy-efficient components and smart design make it eligible for energy rebates in certain regions, providing additional cost savings. Overall, the Lennox SL280UHV gas furnace is engineered for reliability, efficiency, and quiet performance, making it a solid choice for homeowners seeking to enhance their heating system with a focus on comfort and energy conservation.

Lennox SL280UHV F.A.Q.

What is the best way to ensure optimal performance of the Lennox SL280UHV?

To ensure optimal performance, regularly replace the air filter, schedule annual maintenance with a certified HVAC technician, and keep the outdoor unit free of debris.

How can I troubleshoot if the Lennox SL280UHV is not heating properly?

Check the thermostat settings, ensure the air filter is clean, and inspect the circuit breaker. If the issue persists, contact a professional technician.

What maintenance steps should I perform regularly on my Lennox SL280UHV?

Regular maintenance steps include changing the air filter every 1-3 months, cleaning the vents, and scheduling an annual inspection with a professional.

How do I reset the Lennox SL280UHV furnace?

To reset the furnace, turn off the power at the circuit breaker, wait for 30 seconds, and then turn it back on. Consult the user manual for specific instructions.

Why does my Lennox SL280UHV furnace keep shutting off?

Frequent shut-offs can be caused by a dirty air filter, blocked air vents, or thermostat issues. Ensure these are addressed and consult a technician if needed.

Can I install a Lennox SL280UHV furnace myself?

Installation of the Lennox SL280UHV should be performed by a certified HVAC technician to ensure safety and compliance with warranty terms.

What should I do if the Lennox SL280UHV is making unusual noises?

Unusual noises may indicate loose components or ductwork issues. Inspect visible parts and contact a professional if the problem persists.

How do I clean the air filter on my Lennox SL280UHV?

Remove the air filter from the unit, vacuum it to remove dust, or replace it if it's disposable. Follow the manufacturer's guidelines for specific cleaning instructions.

What is the recommended thermostat setting for energy efficiency with the Lennox SL280UHV?

For energy efficiency, set the thermostat to 68°F (20°C) in winter and 78°F (26°C) in summer when home, and adjust accordingly when away.

How can I improve the air quality in my home using the Lennox SL280UHV?

Improve air quality by using high-efficiency air filters, ensuring proper ventilation, and maintaining the system regularly. Consider adding an air purifier.