Lennox International Inc installation instructions Installation Instructions EL280DF

Page 1

E 2012 Lennox Industries Inc.

Dallas, Texas, USA

DOWNFLOW

AIR FLOW

INSTALLATION

INSTRUCTIONS

EL280DF

MERIT® SERIES GAS FURNACE

DOWNFLOW AIR DISCHARGE

506896−01

 

08/2012

Litho U.S.A.

This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death.

THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE

WARNING

Improper installation, adjustment, alteration, service or maintenance can cause property damage, person- al injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), service agency or the gas supplier.

CAUTION

As with any mechanical equipment, personal injury can result from contact with sharp sheet metal edges. Be careful when you handle this equipment.

Table of Contents

Unit Dimensions

2

Venting

11

EL280DF Gas Furnace

3

Gas Piping

16

Shipping and Packing List

3

Electrical

18

Integrated Control

23

Safety Information

3

Unit Start−Up

24

Use of Furnace as a Construction Heater

4

Gas Pressure Adjustment

25

 

 

General

4

Proper Combustion

26

Combustion, Dilution & Ventilation Air

5

High Altitude

26

Downflow Installation

8

Other Unit Adjustments

27

Heating Sequence of Operation . . .

28

Setting Equipment

9

Service

29

 

 

Filters

10

Repair Parts List

30

 

 

Duct System

11

Start Up and Performance Checklist

31

08/12

 

506896−01

*2P0812*

Page 1

*P506896-01*

 

 

Page 1 Page 2
Image 1
Page 1 Page 2
Contents Table of Contents Installation Instructions EL280DFTOP View Unit Dimensions − inches mmEL280DF Gas Furnace Safety InformationShipping and Packing List General Use of Furnace as Construction HeaterCombustion, Dilution & Ventilation Air Equipment in Confined Space ALL AIR from Inside Equipment in Confined Space NON−COMBUSTIBLE Floor Opening Size Downflow InstallationCombustible 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 Electrical Interior MAKE−UP BOX InstallationElectrostatic Discharge ESD 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 ServiceEL280DF BURNER, Combustion AIR Inducer Assembly Repair Parts ListHeat Exchanger Removal Start−Up & Performance Check List Temperature Rise Cooling ModeUnit Operation Drain Line
Related manuals
Manual 7 pages 17.85 Kb

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.
Top Page Image Contents