Lennox International Inc EL296UHE, Elite Series Gas Furnace installation instructions Exhaust

Page 32

WALL TERMINATION KITS (CLOSE−COUPLE) EXTENDED VENT FOR GRADE CLEARANCE 2 inch (51 mm) 22G44 (US)

3 inch (76 mm) 44J40 (US)

If intake and exhaust pipe is less than 12 in. (305 MM)

 

above snow accumulation or other obstructions, field−

 

fabricated piping must be installed.

FIELD-PROVIDED

 

REDUCER MAY BE REQUIRED TO ADAPT

 

LARGER VENT PIPE SIZE TO TERMINATION

 

8” (203mm) Min. for 2” (51MM) & 3” (76MM) DIA. pipe

 

 

WALL SUPPORT*

between the end of the exhaust pipe and intake pipe

 

 

12” (305MM) Max. for 2” (51MM) Dia. Exhaust

 

 

 

20” (508MM) Max. for 3” (76MM) Dia. Exhaust

12”

 

 

 

 

 

 

 

 

(305 mm)

 

6” (152 MM)

 

EXHAUST

 

1/2” (13 mm)

 

AIR

 

FOAM INSULATION

Maximum

 

 

 

 

 

 

(Field−Furnished)

 

 

INTAKE

 

 

INTAKE

 

AIR

 

EXHAUST

AIR

 

 

 

AIR

 

 

5” (127 mm)

 

 

 

8” (203 mm) Min.

12” (305 MM) Minimum

 

12” (305MM) Minimum

 

Above Grade or Average

 

Above Grade or Average

 

 

5−1/2”

 

 

Snow Accumulation

Snow Accumulation

 

 

(140 mm)

 

 

GRADE

 

GRADE

12”

(305 MM) Max. for 2” (51MM) Dia. Exhaust

*Use wall support every 24” (610). Use two supports if

20”

(508MM) Max. for 3” (76MM) Dia. Exhaust

extension is greater than 24” but less than 48”.

FIGURE 44

WALL TERMINATION KITS (CLOSE−COUPLE) EXTENDED VENT FOR GRADE CLEARANCE 2 inch (51 mm) 30G28 (WTK Canada)

3 inch (76 mm) 81J20 (WTK Canada)

See Installation Instructions for additional information.

If intake and exhaust pipe is less than 12 in. (305 MM) above snow accumulation or other obstructions, field− fabricated piping must be installed.

FIELD-PROVIDED

REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION

WALL SUPPORT*

12” (305 MM) Max. for 2” (51 MM) Dia. Exhaust

 

20” (508 MM) Max. for 3” (76 MM) Dia. Exhaust

6” (152 MM)

EXHAUST

AIR

Maximum

 

6” (152 MM)

INTAKE

Minimum

AIR

INTAKE

 

AIR

5” (127 mm)

 

6” (152 MM)

12” (305 MM) Minimum

Minimum

Above Grade or Average

 

Snow Accumulation

 

GRADE

12”

(305 mm)

1/2” (13 mm)

FOAM INSULATION (Field−Furnished)

 

EXHAUST

 

AIR

5−1/2”

12” (305 MM) Minimum

Above Grade or Average

(140 mm)

Snow Accumulation

GRADE

12” (305 MM) Max. for 2” (51 MM) Dia. Exhaust

*Use wall support every 24” (610). Use two supports if

20” (508 MM) Max. for 3” (76 MM) Dia. Exhaust

extension is greater than 24” but less than 48”.

FIGURE 45

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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 containsUse of Furnace as Construction Heater Installation LocationsInstalled in Combination with a Cooling Coil General Combustion, Dilution & Ventilation AirConfined Space Air from InsideUnconfined Space Equipment in Confined Space ALL AIR from InsideEquipment in Confined Space Air from OutsideEquipment in Confined Space ALL AIR from Outside 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 filterFrontBack Optional Return Air Base Upflow Applications OnlyRemoving the Bottom Panel Horizontal Application Installation Clearances Suspended Installation of Horizontal UnitPlatform Installation of Horizontal Unit Horizontal Suspension KITDuct System Pipe & Fittings SpecificationsFilters 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 135Concentric 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 US Installations1 Canadian Installations2 Inside Corner DetailNo minimum to outside corner EL296UHE Exiting Exhaust and Intake Vent Different pressure zonesDirect Vent Roof Termination KIT Alternate Terminations Tee & Forty-Five Degree Elbows Only 51MM 76MM51MM 7MM Vent Pipe SupportTop View Side ViewFront 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 178Plugged TAP Gas PipingLeak Check 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-UpDial Gas Pressure AdjustmentGAS Meter Clocking Chart 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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