Lennox International Inc Lennox Elite Series Furnace Manual for EL296UHE: Installation Instructions and Safety Information
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E 2013 Lennox Industries Inc.

Dallas, Texas, USA

 

AIR FLOW

 

UPFLOW

AIR FLOW

AIR FLOW

HORIZONTAL LEFT

HORIZONTAL RIGHT

INSTALLATION

INSTRUCTIONS

EL296UHE

ELITE® SERIES GAS FURNACE

UPFLOW / HORIZONTAL AIR DISCHARGE

507067-01

 

02/2013

 

Supersedes 01/2012

Litho U.S.A.

THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE

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.

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 Practices

15

EL296UHE Gas Furnace

3

Gas Piping

38

Shipping and Packing List

3

Electrical

40

 

 

Safety Information

3

Integrated Control

43

Unit Start Up

49

Use of Furnace as a Construction Heater

4

Gas Pressure Measurement

50

General

5

Proper Combustion

51

Combustion, Dilution, Ventilation Air . . . .

5

High Altitude

51

Setting Equipment

8

Other Unit Adjustments

53

 

 

Filters

13

Sequence of Operation

53

 

 

Duct System

13

Repair Parts List

54

Pipe and Fittings Specifications

13

Service

55

Joint Cementing Procedure

15

Start-Up and Performance Checklist

56

02/13

 

507067-01

*2P0213*

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*P507067-01*

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Contents Table of Contents Installation Instructions EL296UHETOP View EL296UHE Unit Dimensions inches mmEL296UHE Gas Furnace Safety InformationShipping and Packing List Package 1 of 1 containsInstalled in Combination with a Cooling Coil Installation LocationsUse of Furnace as Construction Heater Combustion, Dilution & Ventilation Air GeneralAir from Inside Confined SpaceUnconfined Space Equipment in Confined Space ALL AIR from InsideEquipment in Confined Space ALL AIR from Outside Air from OutsideEquipment in Confined Space Shipping Bolt Removal Installation Setting EquipmentMoved before the furnace is placed into operation. Af­ EL296 Furnaces with 1/2 HP Blower MotorFront View Setting EquipmentSide View END ViewSide Return Air With transition and filter Return Air GuidelinesRemoving the Bottom Panel Optional Return Air Base Upflow Applications OnlyFrontBack Suspended Installation of Horizontal Unit Horizontal Application Installation ClearancesPlatform Installation of Horizontal Unit Horizontal Suspension KITFilters Pipe & Fittings SpecificationsDuct System Piping and Fittings Specifications Joint Cementing ProcedureSpecification Primer & Solvent CementPiping Suspension Guidelines Venting PracticesWall Thickness Guidelines Removal of the Furnace from Common VentVent Piping Guidelines Horizontal Installation Offset RequirementsExhaust Piping Figures 22, 24 Minimum Vent Pipe LengthsPiping Size Process Standard Concentric Outdoor Termination Usage135 Standard Termination Elevation 4500 10,000 ftConcentric Termination at Elevation 0 4500 ft Maximum Allowable Intake or Exhaust Vent Length in FeetConcentric Termination Elevation 4501 10,000 ft Standard Termination Elevation 4500 10,000 ft Applications Right Hand Discharge Shown Intake Piping General Guidelines for Vent Terminations 32 to 20 to Inside Corner Detail US Installations1 Canadian Installations2No minimum to outside corner Direct Vent Roof Termination KIT Exiting Exhaust and Intake Vent Different pressure zonesEL296UHE 51MM 76MM Alternate Terminations Tee & Forty-Five Degree Elbows OnlySupport 51MM 7MM Vent PipeFront View Side ViewTop View Exhaust NON-DIRECT Vent Roof Termination KIT EL296UHE Direct Vent Application Using Existing ChimneyCondensate Piping EL296UHE NON-DIRECT Vent Application Using Existing ChimneyCondensate Trap Locations Condensate Trap With Optional Overflow SwitchUnit shown in horizontal left-hand discharge position EL296UHE with Evaporator Coil Using a Common Drain178 Trap / Drain Assembly Using 1/2 PVC or 3/4 PVCLeak Check Gas PipingPlugged TAP Left Side Piping Standard Right Side Piping Alternate Horizontal Applications Possible Gas Piping ConfigurationsInterior MAKE-UP BOX Installation Precautions and ProceduresElectrical GAS Pipe Capacity FT3/HR kL/HROn-Board Links and Diagnostic Push Button Figure Typical EL296UHE Wiring Diagram LED Integrated ControlIntegrated Control DIP Switch Settings EL296 Field Wiring Applications With Conventional Thermostat With tstat with OFFHumidity control Heat / 1 CoolHeat Pump Single StageComfortSense 7000 L7724UOFF Unit Start-Up For Your Safety Read Before OperatingGAS Meter Clocking Chart Gas Pressure AdjustmentDial Proper Combustion High Altitude Information Carbon Monoxide Poisoning Hazard Heating Sequence of Operation Other Unit AdjustmentsCabinet Parts Repair Parts ListControl Panel Parts Blower PartsCleaning The Burner Assembly ServiceBlower FiltersTypical Start-Up & Performance Check ListTotal External Static Drain Line Temperature RiseCondensate Line Thermostat Vent PipeApproved Carbon Monoxide Detectors Requirements for Commonwealth of Massachusetts

EL296UHE, Elite Series Gas Furnace specifications

Lennox International Inc. has long been a trusted name in the heating, ventilation, and air conditioning (HVAC) industry, and their Elite Series Gas Furnace, the EL296UHE, stands out as a remarkable choice for homeowners seeking efficiency and reliability. This gas furnace is designed to deliver exceptional performance while ensuring the comfort of your living space.

One of the most significant features of the EL296UHE is its impressive Annual Fuel Utilization Efficiency (AFUE) rating of up to 96%. This means that a substantial portion of the energy consumed is converted into heat, translating to lower energy bills and a reduced environmental footprint. By minimizing energy waste, homeowners can enjoy both cost savings and greater environmental responsibility.

The EL296UHE is equipped with a two-stage heating process that allows it to operate at different speeds. This dual-stage functionality offers a more consistent temperature throughout the home, minimizing cold spots and enhancing overall comfort. Additionally, this furnace features a variable-speed blower motor, which not only improves the distribution of heated air but also quietly adjusts the airflow to match the heating requirements of your space.

In terms of technology, the EL296UHE incorporates advanced design elements such as a patented ZenBalance™ technology. This innovation further increases efficiency by adjusting the heating output based on real-time demands, ensuring optimal comfort without excessive energy consumption.

Durability is another hallmark of the EL296UHE. Constructed with high-quality materials, this furnace is built to withstand the rigors of daily use. Its stainless-steel heat exchanger is particularly noteworthy, as it enhances the furnace's ability to operate efficiently while maximizing longevity.

Homeowners are also reassured by the EL296UHE's quiet operation. The design minimizes operational noise, making it an ideal choice for those who prefer a peaceful home environment. Furthermore, the furnace is equipped with an ENERGY STAR® certification, a testament to its energy-efficient performance.

Lastly, Lennox offers comprehensive warranties for the EL296UHE, ensuring peace of mind for consumers. The combination of high efficiency, advanced technology, and durability makes the Lennox Elite Series Gas Furnace, EL296UHE, an excellent investment for homeowners looking to enhance their heating systems for optimal comfort and efficiency.
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