Lennox G61 User's Information Manual

Pages 7

Year 2003

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Lennox G61 Specification

The Lennox G61 is a high-efficiency gas furnace designed to provide reliable heating while optimizing energy savings. It features a two-stage heating process that ensures consistent temperature control and enhanced comfort levels. The furnace operates with an AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, meaning it converts a significant portion of its fuel into usable heat, thus reducing energy costs. The G61 is equipped with a variable-speed blower motor, which adjusts the airflow rate to meet the heating demands of the home, ensuring quieter operation and improved air circulation. This model supports dual-fuel compatibility, allowing it to pair seamlessly with an electric heat pump for additional efficiency in varying climates. The SureLight® ignitor and control board enhance the system's reliability and simplify maintenance. A sealed blower compartment reduces losses and maximizes efficiency, while the insulated cabinet minimizes heat loss and contributes to quieter operation. The Lennox G61 is also compatible with advanced air filtration systems, which can significantly improve indoor air quality. Additionally, the unit's design incorporates a durable steel cabinet with a baked-on finish that resists rust and corrosion, ensuring long-term durability. With its cutting-edge technology and robust construction, the Lennox G61 is engineered to deliver superior heating performance and extended service life, making it a preferred choice for homeowners seeking efficiency and comfort.

Lennox G61 F.A.Q.

How do I reset the Lennox G61 furnace?

To reset the Lennox G61 furnace, turn off the power to the furnace at the circuit breaker. Wait for about 5 minutes, then turn the power back on. This will reset the control board.

What should I do if my Lennox G61 is not heating?

First, check the thermostat settings to ensure it's set to 'heat' mode. Then, inspect the air filters and replace them if they are dirty or clogged. Additionally, verify that the gas supply is on and that there are no obstructions in the vent pipe.

How often should I replace the air filter in my Lennox G61 furnace?

It is recommended to check the air filter every month and replace it every 3 to 6 months, depending on usage and the type of filter being used.

What maintenance tasks are necessary for the Lennox G61?

Regular maintenance tasks include inspecting and cleaning the air filters, checking the thermostat settings, cleaning the blower assembly, and ensuring that vents and registers are not blocked. It's also advisable to have a professional service check annually.

Why is my Lennox G61 making unusual noises?

Unusual noises could be due to loose components, a dirty burner, or a failing blower motor. It's important to inspect these areas and tighten any loose parts or have a professional evaluate the issue.

How do I troubleshoot a Lennox G61 furnace that won't start?

Check the power supply to ensure the unit is receiving electricity. Inspect the thermostat to ensure it is functioning correctly and is set to the proper settings. Additionally, examine the furnace's fuse or circuit breaker and reset it if necessary.

What does the flashing LED on my Lennox G61 indicate?

A flashing LED on the Lennox G61 furnace indicates a diagnostic code. Refer to the furnace's manual for a specific interpretation of the code, which will guide you on the issue and potential solutions.

Can I install a Lennox G61 furnace myself?

Installing a Lennox G61 furnace requires expertise in handling electrical and gas connections. It is recommended to have a licensed HVAC professional perform the installation to ensure safety and compliance with local codes.

How do I improve the efficiency of my Lennox G61 furnace?

To improve efficiency, ensure regular maintenance is performed, including cleaning or replacing filters, sealing leaks in ductwork, and scheduling annual tune-ups with a professional technician.

What should I check if my Lennox G61 furnace is short cycling?

Short cycling could be caused by a clogged air filter, an oversized furnace, or thermostat issues. Check and replace the air filter if needed, recalibrate the thermostat, and consult a professional to ensure the furnace is correctly sized for your home.