Lennox International Inc EL280DF installation instructions Gas Pipe Capacity − ft3/hr m3/hr

Page 17

TABLE 8

Gas Pipe Capacity − ft3/hr (m3/hr)

Nominal

Internal

 

 

 

 

Length of Pipe − feet (m)

 

 

 

Iron Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diameter

 

 

 

 

 

 

 

 

 

 

 

Size

 

 

 

 

 

 

 

 

 

 

 

inches

10

20

30

40

 

50

60

70

80

90

100

inches

 

(mm)

(3.048)

(6.096)

(9.144)

(12.192)

 

(15.240)

(18.288)

(21.336)

(24.384)

(27.432)

(30.480)

(mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2

.622

172

118

95

81

 

72

65

60

56

52

50

(12.7)

(17.799)

(4.87)

(3.34)

(2.69)

(2.29)

 

(2.03)

(1.84)

(1.69)

(1.58)

(1.47)

(1.42)

 

 

 

 

 

 

 

 

 

 

 

 

 

3/4

.824

360

247

199

170

 

151

137

126

117

110

104

(19.05)

(20.930)

(10.19)

(7.00)

(5.63)

(4.81)

 

(4.28)

(3.87)

(3.56)

(3.31)

(3.11)

(2.94)

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1.049

678

466

374

320

 

284

257

237

220

207

195

(25.4)

(26.645)

(19.19)

(13.19)

(10.59)

(9.06)

 

(8.04)

(7.27)

(6.71)

(6.23)

(5.86)

(5.52)

 

 

 

 

 

 

 

 

 

 

 

 

 

1−1/4

1.380

1350

957

768

657

 

583

528

486

452

424

400

(31.75)

(35.052)

(38.22)

(27.09)

(22.25)

(18.60)

 

(16.50)

(14.95)

(13.76)

(12.79)

(12.00)

(11.33)

 

 

 

 

 

 

 

 

 

 

 

 

 

1−1/2

1.610

2090

1430

1150

985

 

873

791

728

677

635

600

(38.1)

(40.894)

(59.18)

(40.49)

(32.56)

(27.89)

 

(24.72)

(22.39)

(20.61)

(19.17)

(17.98)

(17.00)

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2.067

4020

2760

2220

1900

 

1680

1520

1400

1300

1220

1160

(50.8)

(52.502)

(113.83)

(78.15)

(62.86)

(53.80)

 

(47.57)

(43.04)

(39.64)

(36.81)

(34.55)

(32.844)

 

 

 

 

 

 

 

 

 

 

 

 

 

2−1/2

2.469

6400

4400

3530

3020

 

2680

2480

2230

2080

1950

1840

(63.5)

(67.713)

(181.22)

(124.59)

(99.95)

(85.51)

 

(75.88)

(70.22)

(63.14)

(58.89)

(55.22)

(52.10)

 

 

 

 

 

 

 

 

 

 

 

 

 

3

3.068

11300

7780

6250

5350

 

4740

4290

3950

3670

3450

3260

(76.2)

(77.927)

(319.98)

(220.30)

(176.98)

(151.49)

 

(134.22)

(121.47)

(111.85)

(103.92)

(97.69)

(92.31)

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE − Capacity given in cubic feet (m3 ) of gas per hour and based on 0.60 specific gravity gas.

Left Side Piping

AUTOMATIC

(Standard)

 

 

GAS VALVE

MANUAL

AUTOMATIC

(with manual

shut−off valve)

MAIN SHUT−OFF

GAS VALVE

 

VALVE

(with manual

 

 

shut−off valve)

 

GROUND

 

 

JOINT

 

 

UNION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROVIDED

DRIP LEG

 

AND INSTALLED

MANUAL

MAIN SHUT−OFF

VALVE

GROUND

JOINT

UNION

DRIP LEG

Right Side Piping

(Alternate)

NOTE − BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET

FIGURE 17

Page 17

Image 17
Contents Table of Contents Installation Instructions EL280DFTOP View Unit Dimensions − inches mmShipping and Packing List Safety InformationEL280DF Gas Furnace General Use of Furnace as Construction HeaterCombustion, Dilution & Ventilation Air Equipment in Confined Space ALL AIR from Inside Equipment in Confined Space Combustible Floor Opening Size Downflow InstallationNON−COMBUSTIBLE Floor Opening Size Setting Equipment Filters Venting Duct SystemTables for installations Mm of connector diameter as follows MIN MAX FAN + FAN FAN + NAT Carbon Monoxide Poisoning Hazard Gas PipingGas Pipe Capacity − ft3/hr m3/hr Electrostatic Discharge ESD Interior MAKE−UP BOX InstallationElectrical Page Field Wiring Applications OFF EL280DF Schematic Wiring Diagram TWO−STAGE Integrated Control Integrated ControlUnit Start−Up For Your Safety Read Before LightingGAS Meter Clocking Chart Gas Pressure AdjustmentEL280DF DialHigh Altitude Proper CombustionHeat FAN-OFF Time in Seconds Other Unit AdjustmentsHeating Sequence of Operation Electrical SHOCK, Fire Or Explosion Hazard ServiceHeat Exchanger Removal Repair Parts ListEL280DF BURNER, Combustion AIR Inducer Assembly Start−Up & Performance Check List Temperature Rise Cooling ModeUnit Operation Drain Line
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EL280DF specifications

Lennox International Inc. has been a leader in the HVAC (Heating, Ventilation, and Air Conditioning) industry for decades, consistently delivering high-quality and energy-efficient products. Among their lineup, the Lennox EL280DF Gas Furnace stands out as an excellent option for homeowners seeking reliable heating solutions.

The EL280DF is a two-stage gas furnace that offers improved efficiency and comfort, making it an ideal choice for moderate climates. One of the main features of the EL280DF is its energy efficiency, boasting an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%. This means that a significant portion of the fuel consumed is converted into heating energy, resulting in lower energy bills and reduced environmental impact.

Another noteworthy characteristic of the EL280DF is its quiet operation. Equipped with advanced sound-dampening technologies, the furnace operates with minimal noise, ensuring that your home remains a serene environment. This is especially important during the colder months when the furnace is often in frequent use.

The EL280DF also employs a two-stage heating system, which allows it to operate at a lower capacity during milder temperatures and ramp up to full capacity during the coldest days. This feature not only enhances comfort by maintaining a more consistent temperature but also contributes to energy savings by reducing unnecessary energy consumption.

In terms of installation, the EL280DF is designed for flexibility. It can be configured for various types of homes and installations, making it suitable for both new constructions and system replacements. Its compact size allows it to fit in tight spaces, providing versatility in home design.

Moreover, the EL280DF is equipped with a durable heat exchanger that ensures longevity and reliability. Lennox has also included features like a self-diagnostic control board, making troubleshooting easier and enhancing the overall reliability of the system.

In conclusion, the Lennox EL280DF Gas Furnace is a remarkable combination of efficiency, quiet operation, and versatility. With its two-stage heating capabilities and advanced technologies, it stands as a solid choice for homeowners looking to invest in a durable and energy-efficient heating solution. Whether building a new home or upgrading an old system, the EL280DF promises comfort and reliability during the coldest months of the year.