Lennox G61MP Installation Instructions

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Year 2009

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Lennox G61MP Specification

The Lennox G61MP is a high-efficiency gas furnace designed to provide reliable home heating with advanced energy-saving features. This model incorporates a two-stage heating system, allowing it to adjust its output to meet varying temperature demands efficiently. It operates with an Annual Fuel Utilization Efficiency (AFUE) rating of up to 95%, which means it converts 95% of its fuel into usable heat, minimizing energy waste and reducing utility costs.

The furnace features a variable speed blower motor, enhancing comfort by ensuring consistent temperature control and improved air circulation. This also contributes to quieter operation compared to traditional single-speed systems. The G61MP utilizes a robust aluminized steel heat exchanger, ensuring durability and effective heat transfer.

For enhanced indoor air quality, the furnace is compatible with advanced air filtration systems. It also integrates seamlessly with Lennox's iComfort® technology, providing homeowners with remote access and control over their heating system through a smart thermostat.

Safety is a priority in the design of the Lennox G61MP, which includes an electronic ignition system to eliminate the need for a standing pilot, reducing fuel consumption and increasing safety. Additionally, it has multiple safety sensors and diagnostics to ensure secure and reliable operation.

Designed for versatile installation, the G61MP can be configured for upflow, downflow, or horizontal airflow, making it adaptable to various home layouts. Its compact design is suitable for tight spaces, and it is compatible with both natural gas and propane, offering flexibility in fuel choice. Overall, the Lennox G61MP combines efficiency, advanced technology, and reliable performance, making it a suitable choice for modern home heating needs.

Lennox G61MP F.A.Q.

How do I reset the Lennox G61MP furnace?

To reset the Lennox G61MP furnace, turn off the power to the furnace at the circuit breaker, wait 30 seconds, and then turn the power back on. Ensure the thermostat is set to 'Heat' mode and recheck the furnace operation.

What should I do if my Lennox G61MP furnace is not igniting?

If your Lennox G61MP furnace is not igniting, check if the gas supply is on and the pilot light is lit. Ensure the furnace filter is clean. If the problem persists, consult the user manual for error codes or contact a professional technician.

How often should I replace the air filter in my Lennox G61MP furnace?

It is recommended to check the air filter monthly and replace it every 1-3 months, depending on usage and environmental conditions, to ensure optimal performance and air quality.

What are the common error codes for the Lennox G61MP and their meanings?

Common error codes for the Lennox G61MP include E200 for ignition failure, E201 for limit switch open, E202 for pressure switch open, and E203 for flame sensor fault. Refer to the manual for a complete list and troubleshooting steps.

How can I improve the energy efficiency of my Lennox G61MP furnace?

To improve energy efficiency, regularly clean or replace the air filter, seal ductwork leaks, ensure vents are unobstructed, and schedule annual maintenance with a certified technician to check and clean the system.

Is it normal for my Lennox G61MP furnace to make noise during operation?

Some noise during operation is normal, but loud or unusual noises may indicate issues such as loose components or motor problems. If you hear such noises, inspect the unit or contact a professional technician for assessment.

What maintenance tasks should be performed routinely on the Lennox G61MP furnace?

Routine maintenance includes inspecting and cleaning the air filter, checking the thermostat settings, inspecting the blower and belts for wear, and ensuring the flue is clear of obstructions. Annual professional maintenance is also recommended.

Why is my Lennox G61MP furnace blowing cold air?

If the furnace is blowing cold air, check if the thermostat is set correctly and the furnace is not in 'Fan Only' mode. Inspect the air filter for clogs and ensure the gas supply is adequate. If the issue continues, consult a technician.

How can I troubleshoot a Lennox G61MP furnace that frequently cycles on and off?

Frequent cycling can be caused by a dirty filter, incorrect thermostat settings, or an oversized furnace. Check and replace the air filter if needed, verify thermostat settings, and consult a technician for further diagnosis.

What should I do if my Lennox G61MP furnace is leaking water?

Water leaks may be due to a clogged condensate drain or faulty heat exchanger. Check the drain line for blockages and clear them. If the issue persists, contact a qualified technician to inspect the heat exchanger and other components.