Lennox International Inc EL296UHE Unit shown in horizontal left-hand discharge position

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EL296UHE with Evaporator Coil Using a Separate Drain

(Unit shown in horizontal left-hand discharge position)

Evaporator

Coil

4”min

5”max

5’ max.

PVC Pipe Only

Condensate

Drain Connection

Drain Pan

Piping from furnace and evaporator coil must slope down a minimum 1/4” per ft. toward trap

.

Field Provided Vent

(4” min. to 5” max. above condensate connection)

FIGURE 56

EL296UHE with Evaporator

Coil Using a Common Drain

Evaporator drain

line required

(1” min. to 2” Max.above condensate drain connection)

Condensate

Drain Connection

IMPORTANT

When combining the furnace and evaporator coil drains together, the A/C condensate drain outlet must be vented to relieve pressure in or­ der for the furnace pressure switch to operate properly.

FIGURE 57

EL296UHE with Evaporator Coil Using a Common Drain

(Unit shown in horizontal left−hand discharge position)

Evaporator

Coil

4”min

5”max

5’ max.

PVC Pipe Only

Condensate Drain

Connection

(4” min. to 5” Max.above condensate drain connection)

Drain Pan

Piping from furnace and evaporator coil must slope down a minimum 1/4” per ft. toward trap

FIGURE 58

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Contents Installation Instructions EL296UHE Table of ContentsEL296UHE Unit Dimensions inches mm TOP ViewSafety Information EL296UHE Gas FurnaceShipping and Packing List Package 1 of 1 containsInstallation Locations Installed in Combination with a Cooling CoilUse of Furnace as Construction Heater General Combustion, Dilution & Ventilation AirConfined Space Air from InsideUnconfined Space Equipment in Confined Space ALL AIR from InsideAir from Outside Equipment in Confined Space ALL AIR from OutsideEquipment in Confined Space Installation Setting Equipment Shipping Bolt RemovalMoved before the furnace is placed into operation. Af­ EL296 Furnaces with 1/2 HP Blower MotorSetting Equipment Front ViewSide View END ViewReturn Air Guidelines Side Return Air With transition and filterOptional Return Air Base Upflow Applications Only Removing the Bottom PanelFrontBack Horizontal Application Installation Clearances Suspended Installation of Horizontal UnitPlatform Installation of Horizontal Unit Horizontal Suspension KITPipe & Fittings Specifications FiltersDuct System Joint Cementing Procedure Piping and Fittings SpecificationsSpecification Primer & Solvent CementVenting Practices Piping Suspension GuidelinesWall Thickness Guidelines Removal of the Furnace from Common VentHorizontal Installation Offset Requirements Vent Piping GuidelinesExhaust Piping Figures 22, 24 Minimum Vent Pipe LengthsPiping Size Process Outdoor Termination Usage Standard ConcentricStandard Termination Elevation 4500 10,000 ft 135Maximum Allowable Intake or Exhaust Vent Length in Feet Concentric Termination at Elevation 0 4500 ftConcentric 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 US Installations1 Canadian Installations2 Inside Corner DetailNo minimum to outside corner Exiting Exhaust and Intake Vent Different pressure zones Direct Vent Roof Termination KITEL296UHE Alternate Terminations Tee & Forty-Five Degree Elbows Only 51MM 76MM51MM 7MM Vent Pipe SupportSide View Front ViewTop View Exhaust EL296UHE Direct Vent Application Using Existing Chimney NON-DIRECT Vent Roof Termination KITEL296UHE NON-DIRECT Vent Application Using Existing Chimney Condensate PipingCondensate Trap With Optional Overflow Switch Condensate Trap LocationsEL296UHE with Evaporator Coil Using a Common Drain Unit shown in horizontal left-hand discharge positionTrap / Drain Assembly Using 1/2 PVC or 3/4 PVC 178Gas Piping Leak CheckPlugged TAP Horizontal Applications Possible Gas Piping Configurations Left Side Piping Standard Right Side Piping AlternatePrecautions and Procedures Interior MAKE-UP BOX InstallationElectrical GAS Pipe Capacity FT3/HR kL/HROn-Board Links and Diagnostic Push Button Figure Typical EL296UHE Wiring Diagram Integrated Control LEDIntegrated Control DIP Switch Settings EL296 Field Wiring Applications With Conventional Thermostat OFF With tstat withHumidity control Heat / 1 CoolSingle Stage Heat PumpComfortSense 7000 L7724UOFF For Your Safety Read Before Operating Unit Start-UpGas Pressure Adjustment GAS Meter Clocking ChartDial Proper Combustion High Altitude Information Carbon Monoxide Poisoning Hazard Other Unit Adjustments Heating Sequence of OperationRepair Parts List Cabinet PartsControl Panel Parts Blower PartsService Cleaning The Burner AssemblyBlower FiltersStart-Up & Performance Check List TypicalTemperature Rise Total External Static Drain LineCondensate Line Thermostat Vent PipeRequirements for Commonwealth of Massachusetts Approved Carbon Monoxide Detectors

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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