Lennox SLP98UH User's Information Manual

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Year 2010

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Lennox SLP98UH Specification

The Lennox SLP98UH is an advanced gas furnace designed to provide high-efficiency home heating while prioritizing comfort and energy savings. Operating with an AFUE rating of up to 98.7%, it is one of the most efficient furnaces on the market, significantly reducing energy costs compared to standard models. The furnace incorporates a variable-capacity operation that precisely adjusts heat output in increments as small as 1%, ensuring even temperatures and consistent comfort throughout the home. This gradual modulation not only enhances comfort but also minimizes energy consumption and reduces sound levels, making it one of the quietest in its class.

The SLP98UH utilizes a modulating gas valve and a variable-speed blower motor, which work in tandem to optimize airflow and maintain ideal humidity levels. This model is compatible with the innovative iComfort Wi-Fi thermostat, allowing homeowners to control the system remotely for enhanced convenience and efficiency. The iComfort technology also facilitates system diagnostics and performance monitoring, ensuring optimal operation year-round.

Built with robust materials and equipped with a stainless-steel secondary heat exchanger, the SLP98UH provides long-lasting durability and reliability. Its sealed blower compartment minimizes losses and increases efficiency, while the SureLight ignition system ensures dependable operation. The unit also supports dual-fuel capability, allowing it to be paired with an electric heat pump for additional energy savings. The Lennox SLP98UH stands out for its exceptional efficiency, advanced technology integration, and superior comfort management, making it a top choice for homeowners seeking a high-performance heating solution.

Lennox SLP98UH F.A.Q.

How do I reset the Lennox SLP98UH furnace?

To reset the Lennox SLP98UH, turn off the power to the furnace at the breaker box. Wait for 5 minutes, then turn the power back on. This should reset the system.

Why is my Lennox SLP98UH not heating properly?

Check the thermostat settings to ensure it's set to heat. Replace or clean the air filter if it's dirty, and inspect the vents and registers for blockages.

How often should I replace the air filter in my Lennox SLP98UH?

The air filter should be checked monthly and replaced every 3 months, or more frequently if you have pets or allergies.

What does the error code E200 mean on the Lennox SLP98UH?

Error code E200 usually indicates that there is an issue with the furnace's pressure switch. Check the switch and tubing for obstructions or damage.

Can I use a programmable thermostat with the Lennox SLP98UH?

Yes, a programmable thermostat can be used with the Lennox SLP98UH to enhance energy efficiency and comfort. Ensure it is compatible with your furnace model.

How do I perform routine maintenance on my Lennox SLP98UH?

Routine maintenance includes checking and replacing the air filter, inspecting vents, ensuring the blower motor is functioning, and scheduling annual professional servicing.

Why does my Lennox SLP98UH furnace make a banging noise?

A banging noise might be due to expanding ductwork or delayed ignition. Inspect the ducts and consult a professional for ignition issues.

What is the recommended thermostat setting for my Lennox SLP98UH?

For energy efficiency, set the thermostat to 68°F when you are home and lower it by 10-15°F when you are away or asleep.

How can I improve the energy efficiency of my Lennox SLP98UH?

Ensure regular maintenance, use a programmable thermostat, seal leaks in ducts, and ensure proper insulation in your home.

What should I do if my Lennox SLP98UH is leaking water?

Water leakage could be due to a clogged condensate drain. Check and clean the drain line, and ensure the condensate pump is working if applicable.