E 2001 Lennox Industries Inc. Dallas, Texas, USA

504,322M

4/2001

G40DF(X)

SERIES

GAS FURNACE

Litho U.S.A.

WARNING

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

Do not store or use gasoline or other flam0 mable vapors and liquids in the vicinity of this or any other appliance.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WHAT TO DO IF YOU SMELL GAS:

DDo not try to light any appliance.

DExtinguish any open flames.

DDo not touch any electrical switch; do not use any phone in your building.

DImmediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

DIf you cannot reach your gas supplier, call the fire de0 partment.

04/01

504,322M

*2P0401*

*P504322M*

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Lennox International Inc G40DF(X) SERIES manual Series, What to do if YOU Smell GAS

G40DF(X) SERIES specifications

Lennox International Inc. is renowned for its innovative HVAC solutions, and the G40DF(X) Series stands out as a significant breakthrough in the realm of gas furnaces. Designed for efficiency and reliability, the G40DF(X) Series is a product that embodies Lennox's commitment to performance, comfort, and sustainability.

One of the main features of the G40DF(X) Series is its efficiency rating. With an Annual Fuel Utilization Efficiency (AFUE) of up to 97%, this furnace is designed to maximize energy usage while minimizing waste. This high efficiency not only helps homeowners save on utility bills but also contributes to a reduced carbon footprint. The furnace's ability to convert more fuel into usable heat makes it a smart choice for anyone looking to upgrade their heating system.

The G40DF(X) Series also incorporates advanced technology to enhance its performance. One notable feature is the use of a two-stage heating process, which allows the furnace to adjust its output based on the current heating demand. By operating at a lower capacity during milder weather, the furnace provides a more consistent and comfortable temperature while using less energy. This staged heating capability reduces wear and tear on the unit, leading to increased longevity and fewer repair needs.

In addition to energy efficiency, the G40DF(X) Series prioritizes quiet operation. The advanced sound-dampening technology minimizes operational noise, ensuring that homeowners can enjoy a peaceful indoor environment. This is particularly beneficial for those living in close quarters or for families with young children who may be sensitive to noise.

Lennox also emphasizes safety in the design of the G40DF(X) Series. The furnace includes several safety features, such as an integrated pressure switch that monitors venting pressure to ensure proper operation. A reliable ignition system further enhances safety, preventing issues that can arise from faulty ignition and maintaining consistent performance.

The compact size of the G40DF(X) Series allows for flexible installation options, whether in a basement, attic, or closet. This adaptability makes it a suitable option for various home layouts. Additionally, Lennox offers a warranty on the furnace, providing peace of mind for homeowners regarding their investment.

In summary, Lennox International Inc.'s G40DF(X) Series is a top-tier gas furnace characterized by high efficiency, advanced technology, quiet operation, and built-in safety features. As a reliable heating solution, it meets the demands of modern homeowners while promoting energy conservation and comfort. With the G40DF(X) Series, Lennox continues to lead the way in HVAC innovation, ensuring that customers receive superior products that enhance their living environments.