Lennox G71MPP User's Information Manual

Lennox G71MPP manual cover
Pages 6
Year 2009
Language(s)
English en

Lennox G71MPP Specification

The Lennox G71MPP is a high-efficiency gas furnace designed to deliver exceptional home comfort through advanced heating technology. Engineered with a variable-capacity operation, this furnace provides precise temperature control by modulating its output in small increments, optimizing energy use and maintaining consistent indoor conditions. The unit boasts an efficiency rating of up to 97% AFUE, making it one of the most efficient models in the Lennox lineup. This high efficiency is achieved through the use of a stainless steel primary heat exchanger and a secondary heat exchanger, which together maximize heat transfer while minimizing energy loss.

The G71MPP features a fully insulated cabinet that reduces heat loss and ensures quiet operation, contributing to a peaceful home environment. Its QuietDrive™ Comfort System incorporates sound-absorbing materials and a specially designed blower compartment, further enhancing its silent functionality. The furnace is compatible with the Lennox iComfort® Wi-Fi thermostat, allowing homeowners to control their heating remotely and integrate the system with smart home devices for optimal convenience.

Safety is prioritized with features such as the SureLight® ignitor and the Duralok Plus® heat exchanger, which provide reliable performance and durability. The furnace is available in multiple sizes to cater to different home heating requirements and can be installed in upflow, downflow, or horizontal orientations, offering flexibility for various installation scenarios. The Lennox G71MPP is also designed with eco-friendliness in mind, meeting and exceeding ENERGY STAR® guidelines, which helps homeowners reduce their carbon footprint while enjoying superior heating performance. Overall, the Lennox G71MPP stands out as a robust and efficient solution for modern residential heating needs.

Lennox G71MPP F.A.Q.

How do I reset the Lennox G71MPP furnace?

To reset your Lennox G71MPP furnace, locate the reset button on the unit. Press and hold the reset button for about 10 seconds, then release. This should reset the system.

What should I do if my Lennox G71MPP furnace is not heating?

First, check the thermostat settings to ensure it is set to 'heat' and the temperature is set correctly. Check if the furnace is receiving power and inspect the circuit breaker. If these steps do not resolve the issue, contact a professional technician.

How often should I change the air filter on my Lennox G71MPP furnace?

It is recommended to check the air filter every month and replace it at least every three months, or more frequently if it appears dirty. Clean filters improve efficiency and air quality.

What type of maintenance is required for the Lennox G71MPP furnace?

Regular maintenance includes changing the air filter, inspecting the blower motor and belts, checking the burner and flame sensor, and ensuring the ventilation system is clear of obstructions. An annual professional inspection is also recommended.

How can I improve the efficiency of my Lennox G71MPP furnace?

Ensure regular maintenance, including filter changes and duct cleaning. Seal any leaks in ductwork, and consider upgrading to a programmable thermostat to optimize heating schedules.

Why does my Lennox G71MPP keep turning on and off frequently?

This issue, known as short cycling, can be caused by a dirty air filter, incorrect thermostat settings, or an oversized furnace. Check these components and consult a technician if the problem persists.

What should I do if my Lennox G71MPP furnace is making unusual noises?

Unusual noises may indicate loose components, a clogged burner, or issues with the blower motor. Turn off the furnace and inspect for visible issues. If unresolved, contact a professional for further diagnosis.

How do I troubleshoot error codes on my Lennox G71MPP furnace?

Refer to the furnace manual for the specific error code meanings. Common resolutions include checking power supply, thermostat settings, and ensuring the air filter is clean. If the error persists, consult a professional technician.

Can I install the Lennox G71MPP furnace myself?

Installation of the Lennox G71MPP furnace should be performed by a licensed HVAC professional to ensure safety and proper setup. Improper installation can lead to operational issues and void warranties.

What safety precautions should I take when operating the Lennox G71MPP furnace?

Ensure the area around the furnace is clear of flammable materials. Regularly inspect and maintain the furnace. Install carbon monoxide detectors and ensure proper ventilation to prevent the accumulation of harmful gases.