Lennox International Inc Elite Series Gas Furnace, EL296UHE installation instructions 51MM 76MM

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7- If intake and exhaust piping must be run up a side wall to position above snow accumulation or other ob­ structions, piping must be supported every 24” (610MM) as shown in figures 36 and 37. In addition, close coupled wall termination kits must be extended for use in this application. See figures 44 and 45. When exhaust and intake piping must be run up an outside wall, the exhaust piping must be terminated with pipe sized per table 8.The intake piping may be equipped with a 90° elbow turndown. Using turndown will add 5 feet (1.5m) to the equivalent length of the pipe.

8 - A multiple furnace installation may use a group of up to four terminations assembled together horizontally, as

shown in figure 41.

B

D

C

2 A

Alternate Terminations

 

 

 

 

(Tee & Forty-Five Degree Elbows Only)

 

 

 

 

 

B

 

 

 

 

 

 

D

 

Intake

 

C

3

 

 

 

 

 

 

 

 

1

 

 

 

 

 

A

 

Front View of

 

 

Intake and Exhaust

 

 

 

 

 

Exhaust

 

 

 

 

 

Intake

Exhaust

 

 

 

TABLE 9

 

D

 

 

2” (51MM)

3” (76MM)

 

 

 

 

1

 

Vent Pipe

Vent Pipe

E

A- Clearance above

 

 

 

 

 

 

 

grade or average snow

12” (305MM) Min.

12” (305MM) Min.

B

 

accumulation

 

 

 

B-Horizontal

 

 

 

 

6” (152MM) Min.

6” (152MM) Min.

 

 

separation between

 

 

24” (610MM) Max

24” (610MM) Max

 

 

intake and exhaust

 

12”

 

 

 

C-Minimum from

 

 

 

 

 

 

C

 

end of exhaust to

9” (227MM) Min.

9” (227MM) Min.

 

inlet of intake

2

 

 

 

 

 

 

 

A

 

D-Exhaust pipe length

12” (305MM) Min.

12” (305MM) Min.

 

16” (405MM) Max.

20” (508MM) Max.

 

 

 

 

 

E-Wall support distance

 

 

 

 

from top of each pipe

6” (152MM) Max.

6” (152MM) Max.

 

 

(intake/exhaust)

 

 

 

 

1The exhaust termination tee should be connected to the 2” or 3” PVC flue pipe as shown in the illustration. Do

not use an accelerator in applications that include an exhaust termination tee. The accelerator is not required.

2 As required. Flue gas may be acidic and may adversely affect some building materials. If a side wall vent termination is used and flue gases will impinge on the building materials, a corrosion-resistant shield (24 inches square) should be used to protect the wall surface. If optional tee is used, the protective shield is recommende­ d. The shield should be constructed using wood, sheet metal or other suitable material. All seams, joints, cracks, etc. in affected area, should be sealed using an appropriate sealant.

3Exhaust pipe 45° elbow can be rotated to the side away from the combustion air inlet to direct exhaust away from adjacent property. The exhaust must never be directed toward the combustion air inlet.

FIGURE 35

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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 containsUse of Furnace as Construction Heater Installation LocationsInstalled in Combination with a Cooling Coil Combustion, Dilution & Ventilation Air GeneralAir from Inside Confined SpaceUnconfined Space Equipment in Confined Space ALL AIR from InsideEquipment in Confined Space Air from OutsideEquipment in Confined Space ALL AIR from Outside 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 GuidelinesFrontBack Optional Return Air Base Upflow Applications OnlyRemoving the Bottom Panel Suspended Installation of Horizontal Unit Horizontal Application Installation ClearancesPlatform Installation of Horizontal Unit Horizontal Suspension KITDuct System Pipe & Fittings SpecificationsFilters 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 Elevation 4501 10,000 ft Maximum Allowable Intake or Exhaust Vent Length in FeetConcentric Termination at Elevation 0 4500 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 EL296UHE Exiting Exhaust and Intake Vent Different pressure zonesDirect Vent Roof Termination KIT 51MM 76MM Alternate Terminations Tee & Forty-Five Degree Elbows OnlySupport 51MM 7MM Vent PipeTop View Side ViewFront 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 PVCPlugged TAP Gas PipingLeak Check 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 OperatingDial Gas Pressure AdjustmentGAS Meter Clocking Chart 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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