Lennox G50 Manuel utilisateur

G50

Efficient, consistent home heating

Home Comfort Systems

LENNOX’ ELITE®SERIES

G50 Gas Furnace ◆80% AFUE

The Elite®Series G50 gas furnace blankets you with warmth, without

overwhelming you with sound. A low-speed fan slowly circulates air,

providing quiet, continuous comfort. Low-speed operation also increases

the effectiveness of filters for improved air quality.

Built to exacting standards, the G50 furnace not only keeps you cozy

and comfortable—it also keeps your energy costs at a minimum.

With an efficiency rating of 80%, the G50 produces more heat for

your energy dollar.

EFFICIENT, CONSISTENT WARMTH—YEAR AFTER YEAR

Elite®Series G50 Furnace

Low-speed, continuous

fan setting allows quiet,

consistent comfort

Efficient design can result in

significant energy savings

Quality components ensure

long-lasting reliability

EFFICIENCY RATING

80% AFUE (Annual Fuel

Utilization Efficiency).

WARRANTY*

20-year limited warranty

on the heat exchanger.

5-year limited warranty

on all remaining covered

components.

Innovation never felt so good.

™

AFUE

80%

vs. 55%

80%

vs. 65%

$3000

$2000

$1000

$500

$2197

80% efficient G50 Gas Furnace vs.

55% and 65% equivalent AFUE units

$1115

3-YEAR HEATING SAVINGS

This chart depicts potential energy savings you can

expect from the G50 gas furnace versus older furnaces

with lower efficiency ratings. Criteria used in this

example are 2,000 full-load heating hours, with a

60,000 Btuh heating design load and $1.074 ccf for

gas. Your actual savings may vary depending on the

weather, local fuel rates and your lifestyle.

AFUE = Annual Fuel Utilization Efficiency.

Source: U.S. Environmental Protection Agency (EPA)

national average energy rates.

*Applies to residential application only.

See actual warranty certificate for details.

Elite®Series G50 Specifications

MODEL DF-24A-045 (X) DF-24A-070 DF-36A-070 (X) DF-36B-090 DF-36C-110 DF-48C-090 (X) DF-48C-110

Heating efficiency (AFUE) 80% 80% 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2

HxWxD (mm) 1016 x 368 x 724 1016 x 368 x 724 1016 x 368 x 724 1016 x 446 x 724 1016 x 533 x 724 1016 x 533 x 724 1016 x 533 x 724

UH-24A-070 UH-36B-090

MODEL DF-60C-110 DF-60D-135 UH-24A-045 (X) UH-36A-070 (X) UH-48B-070 UH-48B-090 (X) UH-36C-110

Heating efficiency (AFUE) 80% 80% 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2

HxWxD (mm) 1016 x 533 x 724 1016 x 622 x 724 1016 x 368 x 724 1016 x 368 x 724 1016 x 446 x 724 1016 x 446 x 724 1016 x 533 x 724

MODEL UH-48C-110 UH-60C-110 UH-48C-135 UH-60D-135 UH-60D-155

Heating efficiency (AFUE) 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 24-1/2 x 28-1/2

HxWxD (mm) 1016 x 533 x 724 1016 x 533 x 724 1016 x 533 x 724 1016 x 622 x 724 1016 x 622 x 724

Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.

INNOVATIVE FEATURES FOR ENHANCED COMFORT AND EFFICIENCY

Duralok Plus®Heat Exchanger – Made of high-quality,

patented ArmorTuf™aluminized steel. Life-tested to 2-1/2

times agency requirements (ANSI standard Z21.47) for

long life and durability.

SureLight®Control Board – Controls furnace operation

to ensure reliable, efficient performance.

SureLight Igniter – Made of silicon nitride for reliable,

long-life performance.

Dedicated, Low-Speed Fan – Slowly circulates air

for improved comfort and air quality.

Insulated Blower Compartment – Minimizes

operating sounds.

Durable Steel Cabinet – Built to last and coated

with high-quality, textured-paint finish.

G50

80% AFUE

Lennox is proud of the

fact that these products

have earned the Good

Housekeeping Seal.

THIS MODEL

80%

Visit us at www.lennox.com, or contact us at 1-800-9-LENNOX. PC53463(34M98) G50 4/08

1Air conditioner or heat pump

2Thermostat

3Furnace or air handler

4Filtration device

5Germicidal light

6Indoor coil

7Humidifier

8HEPA bypass filtration system

9Energy recovery ventilator

 Supply duct

 Return duct

 Dehumidifier system

 Residential generator

CUSTOMIZE YOUR COMFORT

Lennox®heating, cooling and indoor air quality products are designed to

provide efficient, economical comfort—not only as individual units, but also

together as an integrated system. This combined network of products delivers

on every comfort count, from consistent temperatures and balanced humidity to improved indoor air quality. Lennox

also offers a line of residential generators, which provide safe, reliable standby power in the event of outages.

DEALERS YOU CAN COUNT ON

Choosing the right dealer for your home’s heating, cooling and air quality needs is every bit as important as choosing the

right brand. We think you’ll agree our independent dealers are a big reason you can count on quality customer service

whenever you call. Your Lennox dealer’s dedication to quality shows in his knowledge, training and expertise in designing

the right system for your home, installing it properly and keeping it running perfectly for many years to come.

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