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Lennox International Inc EL296UHE Table Outdoor Termination Usage, Standard, Concentric

Models: EL296UHE Elite Series Gas Furnace

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TABLE 4

OUTDOOR TERMINATION USAGE

				STANDARD					CONCENTRIC

		FlushMount	Wall Kit		Wall Ring	Kit		1-1/2 inch	2 inch	3 inch
		FlushMount
	Vent	Kit
	Vent	Kit	2 inch	3 inch	2 inch
Input Size	Pipe						Field
Input Size	Pipe							71M80	69M29
	Dia. in.
							Fabricated
		51W11 (US)	22G44 (US)	44J40 (US)				(US)	(US)	60L46 (US)

					15F74
		51W12 (CA)	430G28 (CA)	481J20 (CA)	15F74			444W92	444W92	444W93 (CA)
		51W12 (CA)	430G28 (CA)	481J20 (CA)				444W92	444W92	444W93 (CA)
								(CA)	(CA)

	2	3YES	YES	1YES	1YES		5YES	2YES
045	2-1/2	3YES	YES	1YES	1YES		5YES	2YES
	3	3YES	YES	1YES	1YES		5YES	2YES
	2	3YES	YES	1YES	1YES		5YES	2YES
070	2-1/2	3YES	YES	1YES	1YES		5YES	2YES
	3	3YES	YES	1YES	1YES		5YES	2YES
	2	3YES		YES	YES		5YES		YES	YES
090	2-1/2	3YES		YES	YES		5YES		YES	YES
	3	3YES		YES	YES		5YES		YES	YES
	2	YES		YES	YES		5YES		YES	YES
110	2-1/2	YES		YES			5YES		YES	YES
	3	YES		YES			5YES		YES	YES
135	3	YES		YES			5YES			YES

NOTE - Standard Terminations do not include any vent pipe or elbows external to the structure. Any vent pipe or elbows external to the structure must be included in total vent length calculations. See vent length tables.

1Requires field-provided outdoor 1-1/2” exhaust accelerator.

2Concentric kits 71M80 and 44W92 include 1-1/2” outdoor accelerator, when used with 045 and 070 input models.

3Flush mount kit 51W11 and 51W12 includes 1-1/2 in. outdoor exhaust accelerator, required when used with 045, 070 and 090 input models.

4 Termination kits 30G28, 44W92, 44W93 and 81J20 are certified to ULC S636 for use in Canada only. 5 See table 8 for vent accelerator requirements.

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Lennox International Inc EL296UHE, Elite Series Gas Furnace Table Outdoor Termination Usage, Standard, Concentric

Contents

2P0213 Table of ContentsINSTALLATION INSTRUCTIONS EL296UHE P507067-01FRONT VIEW EL296UHE Unit Dimensions - inches mmTOP VIEW SIDE VIEWEL296UHE Gas Furnace Safety InformationDANGER Shipping and Packing ListInstallation Locations Installed in Combination with a Cooling CoilUse of Furnace as Construction Heater General Combustion, Dilution & Ventilation AirConfined Space Air from InsideUnconfined Space Air from Outside Upflow Applications Installation - Setting EquipmentShipping Bolt Removal EL296 Furnaces with 1/2 HP Blower MotorHORIZONTAL APPLICATION SETTING EQUIPMENTUPFLOW APPLICATION FRONT VIEWReturn Air Guidelines Side Return Air with transition and filterRemoving the Bottom Panel Horizontal ApplicationsOptional Return Air Base Upflow Applications Only FrontBack FIGUREPlatform Installation of Horizontal Unit Horizontal Application Installation ClearancesFIGURE Suspended Installation of Horizontal Unit HORIZONTAL SUSPENSION KITDuct System Pipe & Fittings SpecificationsFilters FIGURE Return Air --Horizontal ApplicationsJoint Cementing Procedure TABLE PIPING AND FITTINGS SPECIFICATIONSDANGER Wall Thickness Guidelines Venting PracticesPiping Suspension Guidelines Removal of the Furnace from Common VentFIGURE Exhaust Piping Figures 22, 24 and Horizontal Installation Offset RequirementsVent Piping Guidelines FIGURE TABLE MINIMUM VENT PIPE LENGTHSPiping Size Process TABLE OUTDOOR TERMINATION USAGE STANDARDCONCENTRIC Number Of Standard Termination at Elevation 0 - 4500 ftStandard Termination Elevation 4500 - 10,000 ft 2” PipeConcentric Termination Elevation 4501 - 10,000 ft TABLE 5 ContinuedConcentric Termination at Elevation 0 - 4500 ft Number OfStandard Termination Elevation 4500 - 10,000 ft Attic or Crawl Space For Intake Air in FeetStandard Termination at Elevation 0 - 4500 ft Number OfNON-DIRECTVENT APPLICATIONS APPLICATIONS RIGHT HAND DISCHARGE SHOWN12” max Intake Piping TYPICAL AIR INTAKE PIPE CONNECTIONSTYPICAL AIR INTAKE PIPE CONNECTIONS General Guidelines for Vent Terminations For Canadian Installations OnlyUnit Input Size Winter DesignVent Pipe Temperatures1 F CVENT TERMINATION CLEARANCES INSIDE CORNER DETAILVENT TERMINATION CLEARANCES INSIDE CORNER DETAILFIGURE TABLE FIGURE Exiting Exhaust and Intake Ventdifferent pressure zones FIGURE Exiting Exhaust and Intake Vent2” 51MM Alternate TerminationsTee & Forty-FiveDegree Elbows Only 3” 76MMVent Pipe 3” 7MM2” 51MM Vent PipeTop View Side ViewFront View Front View3 inch 76 mm 44J40 US USING EXISTING CHIMNEY EL296UHE DIRECT VENT APPLICATIONEL296UHE NON-DIRECTVENT APPLICATION FIGURE Condensate PipingUSING EXISTING CHIMNEY Condensate Trap With Optional Overflow Switch Field Provided Drain ComponentsCONDENSATE TRAP LOCATIONS Coil Using a Common Drain FIGURE EL296UHE with Evaporator5”max TRAP / DRAIN ASSEMBLY USING 1/2” PVC OR 3/4” PVC 1/2 inch3/4 inch Gas Piping Leak CheckLeft Side Piping Standard Possible Gas Piping ConfigurationsHorizontal Applications Right Side Piping AlternateElectrical Precautions and ProceduresINTERIOR MAKE-UPBOX INSTALLATION TABLE GAS PIPE CAPACITY - FT3/HR kL/HRDiagnostic Push Button On-BoardLinks and Diagnostic Push Button FigureAccessory Terminals Indoor Blower SpeedsTYPICAL EL296UHE WIRING DIAGRAM 3/16” QUICK CONNECT TERMINALS Integrated ControlFLAME SENSE SIGNAL HI COOL 24VAC HI HEAT 24VAC LO COOL 24VAC LO HEAT 24VAC PARK PARKBlower Off Heating Mode Delay Switch Settings Integrated Control DIP Switch SettingsHeating Operation DIP Switch Settings SwitchOn Board Links Must Be Cut To Select DIP SwitchWiring Connections Thermostathumidity control 2 Heat / 2 Coolwith tstat with 2 Heat / 1 CoolSingle Stage DIP Switch Settings and On-BoardLinks figureDual Fuel Heat PumpWiring Connections DIP Switch Settings and On-BoardLinks figureDIP Switch ThermostatPlacing the furnace into operation FOR YOUR SAFETY READ BEFORE OPERATINGUnit Start-Up Priming Condensate TrapFailure To Operate Gas Pressure AdjustmentGAS METER CLOCKING CHART Heating Sequence Of OperationHigh Altitude Information High Altitude Pressure SwitchProper Combustion ModelCARBON MONOXIDE POISONING HAZARD Pressure Switch Other Unit AdjustmentsFlame Rollout Switches Two Applications Using a Two-StageThermostatControl Panel Parts Repair Parts ListCabinet Parts Blower PartsBlower ServiceCleaning The Burner Assembly FiltersHeat Cable Installed and Operable if applicable Start-Up& Performance Check List UNIT SET UPTerminations Installed Properly Filter Installed and Clean Grilles UnobstructedCOOLING MODE Adjusted and ProgrammedUNIT OPERATION GAS MANIFOLD PRESSURE “W.CEXEMPTIONS The following equipment is exempt Requirements for Commonwealth of MassachusettsModifications to NFPA-54,Chapter from 24 CMR 5.082a 1 through