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Lennox International Inc Elite Series Gas Furnace Horizontal Applications, Left-SideAir Discharge

Models: EL296UHE Elite Series Gas Furnace

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Left Side Piping

(Standard)

Right Side Piping

(Alternate)

MANUAL

MAIN SHUT-OFF

VALVE

GROUND

JOINT

UNION

Gas Valve

MANUAL

MAIN SHUT-OFF

VALVE

GROUND

JOINT

UNION

DRIP LEG

DRIP LEG		FIELD

	PROVIDED
	AND INSTALLED

	NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
	FIGURE 61
	Horizontal Applications
	Possible Gas Piping Configurations
	MANUAL
	MAIN SHUT-OFF
MANUAL	VALVE	Horizontal Application
MANUAL		Left-Side Air Discharge
MAIN SHUT-OFF		Left-Side Air Discharge
VALVE
	GROUND
	JOINT
	UNION
GROUND
JOINT	DRIP LEG
UNION
DRIP LEG
		Gas Valve
Horizontal Application		MANUAL
Right-Side Air Discharge		MANUAL
Right-Side Air Discharge		MAIN SHUT-OFF
		VALVE
Gas Valve		GROUND
		GROUND
	FIELD	JOINT
	FIELD	UNION
	PROVIDED	UNION
	PROVIDED
	AND INSTALLED
	NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET	DRIP LEG
	NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET

FIGURE 62

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Image 39

Lennox International Inc Elite Series Gas Furnace, EL296UHE Horizontal Applications, Possible Gas Piping Configurations

Contents

P507067-01 Table of ContentsINSTALLATION INSTRUCTIONS EL296UHE 2P0213SIDE VIEW EL296UHE Unit Dimensions - inches mmTOP VIEW FRONT VIEWShipping and Packing List Safety InformationDANGER EL296UHE Gas FurnaceInstallation Locations Installed in Combination with a Cooling CoilUse of Furnace as Construction Heater Combustion, Dilution & Ventilation Air GeneralConfined Space Air from InsideUnconfined Space Air from Outside EL296 Furnaces with 1/2 HP Blower Motor Installation - Setting EquipmentShipping Bolt Removal Upflow ApplicationsFRONT VIEW SETTING EQUIPMENTUPFLOW APPLICATION HORIZONTAL APPLICATIONSide Return Air with transition and filter Return Air GuidelinesFrontBack FIGURE Horizontal ApplicationsOptional Return Air Base Upflow Applications Only Removing the Bottom PanelHORIZONTAL SUSPENSION KIT Horizontal Application Installation ClearancesFIGURE Suspended Installation of Horizontal Unit Platform Installation of Horizontal UnitFIGURE Return Air --Horizontal Applications Pipe & Fittings SpecificationsFilters Duct SystemJoint Cementing Procedure TABLE PIPING AND FITTINGS SPECIFICATIONSDANGER Removal of the Furnace from Common Vent Venting PracticesPiping Suspension Guidelines Wall Thickness GuidelinesFIGURE TABLE MINIMUM VENT PIPE LENGTHS Horizontal Installation Offset RequirementsVent Piping Guidelines FIGURE Exhaust Piping Figures 22, 24 andPiping Size Process TABLE OUTDOOR TERMINATION USAGE STANDARDCONCENTRIC 2” Pipe Standard Termination at Elevation 0 - 4500 ftStandard Termination Elevation 4500 - 10,000 ft Number OfNumber Of TABLE 5 ContinuedConcentric Termination at Elevation 0 - 4500 ft Concentric Termination Elevation 4501 - 10,000 ftNumber Of Attic or Crawl Space For Intake Air in FeetStandard Termination at Elevation 0 - 4500 ft Standard Termination Elevation 4500 - 10,000 ftNON-DIRECTVENT APPLICATIONS APPLICATIONS RIGHT HAND DISCHARGE SHOWN12” max Intake Piping TYPICAL AIR INTAKE PIPE CONNECTIONSTYPICAL AIR INTAKE PIPE CONNECTIONS For Canadian Installations Only General Guidelines for Vent TerminationsUnit Input Size Temperatures1 F CWinter Design Vent PipeINSIDE CORNER DETAIL VENT TERMINATION CLEARANCESINSIDE CORNER DETAIL VENT TERMINATION CLEARANCESFIGURE Exiting Exhaust and Intake Vent FIGURE Exiting Exhaust and Intake Ventdifferent pressure zones FIGURE TABLE3” 76MM Alternate TerminationsTee & Forty-FiveDegree Elbows Only 2” 51MMVent Pipe 3” 7MM2” 51MM Vent PipeFront View Side ViewFront View Top View3 inch 76 mm 44J40 US EL296UHE DIRECT VENT APPLICATION USING EXISTING CHIMNEYEL296UHE 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 Leak Check Gas PipingRight Side Piping Alternate Possible Gas Piping ConfigurationsHorizontal Applications Left Side Piping StandardTABLE GAS PIPE CAPACITY - FT3/HR kL/HR Precautions and ProceduresINTERIOR MAKE-UPBOX INSTALLATION ElectricalIndoor Blower Speeds On-BoardLinks and Diagnostic Push Button FigureAccessory Terminals Diagnostic Push ButtonTYPICAL EL296UHE WIRING DIAGRAM LO COOL 24VAC LO HEAT 24VAC PARK PARK Integrated ControlFLAME SENSE SIGNAL HI COOL 24VAC HI HEAT 24VAC 3/16” QUICK CONNECT TERMINALSBlower Off Delay Integrated Control DIP Switch SettingsHeating Operation DIP Switch Settings Blower Off Heating Mode Delay Switch SettingsThermostat DIP SwitchWiring Connections On Board Links Must Be Cut To Select2 Heat / 1 Cool 2 Heat / 2 Coolwith tstat with humidity controlHeat Pump DIP Switch Settings and On-BoardLinks figureDual Fuel Single StageThermostat DIP Switch Settings and On-BoardLinks figureDIP Switch Wiring ConnectionsPriming Condensate Trap FOR YOUR SAFETY READ BEFORE OPERATINGUnit Start-Up Placing the furnace into operationHeating Sequence Of Operation Gas Pressure AdjustmentGAS METER CLOCKING CHART Failure To OperateModel High Altitude Pressure SwitchProper Combustion High Altitude InformationCARBON MONOXIDE POISONING HAZARD Temperature Rise Other Unit AdjustmentsFlame Rollout Switches Two Pressure SwitchBlower Parts Repair Parts ListCabinet Parts Control Panel PartsFilters ServiceCleaning The Burner Assembly BlowerFilter Installed and Clean Grilles Unobstructed Start-Up& Performance Check List UNIT SET UPTerminations Installed Properly Heat Cable Installed and Operable if applicableSupply Duct Temperature TEMPERATURE DROPReturn Duct Temperature TEMPERATURE RISEfrom 24 CMR 5.082a 1 through Requirements for Commonwealth of MassachusettsModifications to NFPA-54,Chapter EXEMPTIONS The following equipment is exempt

Left Side Piping

Right Side Piping

Horizontal Applications

Possible Gas Piping Configurations

Horizontal Application

Left-Side Air Discharge

Right-Side Air Discharge