Page 2 - FRONT VIEW; Optional External Side Return Air Filter Kit is not for use
Page 2 EL296UHE Unit Dimensions - inches (mm) 1−1/2 (38) 9/16 (14) AIR FLOW mm in. 6−9/16 (167) Left 9 (229) Right 23 (584) (19) 3/4 (19) 1 Bottom Return Air Opening GAS PIPING INLET (Either Side) Side ReturnAir Opening(Either Side) 1 Bottom Return Air Opening EXHAUST AIR OUTLET ELECTRICAL INLET (Ei...
Page 3 - FIGURE 1; DIRECT VENT INSTALLATION; FIGURE 2; INSTALLATION; Shipping and Packing List; Package 1 of 1 contains; Safety Information; CAUTION; DANGER; Building Codes
Page 3 EL296UHE Gas Furnace The EL296UHE Category IV gas furnace is shipped readyfor installation in the upflow or horizontal position. The furnace is shipped with the bottom panel in place. The bottom panel must be removed if the unit is to be installed inhorizontal or upflow applications with bo...
Page 4 - Heating Unit Installed Upstream of Cooling Coil; Gas Unit; NOTE; Use of Furnace as Construction Heater
Page 4 In order to ensure proper unit operation in non-direct ventapplications, combustion and ventilation air supply must beprovided according to the current National Fuel Gas Codeor CSA‐B149 standard. Installation Locations This furnace is CSA International certified for installationclearances to ...
Page 5 - General; WARNING
Page 5 D The input rate and temperature rise must be set per thefurnace rating plate. D One hundred percent (100%) outdoor air must be provided for combustion air requirements during construction. Temporary ducting may supply outdoor air to thefurnace. Do not connect duct directly to the furnace.S...
Page 6 - In Canada, refer to the CSA B149 installation codes.; Unconfined Space; must be; Air from Inside; EQUIPMENT IN CONFINED SPACE - ALL AIR FROM INSIDE
Page 6 piping. A portion of this information has been reprintedwith permission from the National Fuel Gas Code (ANSI-Z223.1/NFPA 54). This reprinted material is not the complete and official position of the ANSI on the referencedsubject, which is represented only by the standard in itsentirety. In ...
Page 7 - Air from Outside; per .59kW) per total input rating of all equip; FIGURE 5; FIGURE 6; * See table 6 for maximum vent lengths; * See table 6 for maximum vent lengths; FIGURE 8
Page 7 Air from Outside If air from outside is brought in for combustion and ventilation, the confined space shall be provided with two permanent openings. One opening shall be within 12” (305mm)of the top of the enclosure and one within 12” (305mm) ofthe bottom. These openings must communicate di...
Page 8 - FIGURE 9; EQUIPMENT IN CONFINED SPACE -; Shipping Bolt Removal; The bolt and washer must be re; Af; RIGID LEG; Installation - Setting Equipment; Upflow Applications; The unit must be level from side to side. The unit
Page 8 FIGURE 9 EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE OUTLET AIR INLET AIR NOTE -Each air duct opening shall have a free area of at least one square inch per 2,000 Btu (645mm 2 per .59kW) per hour of the total input rating of all equipment in the enclosure. If the equipment roomis locat...
Page 9 - SETTING EQUIPMENT; UPFLOW APPLICATION; SIDE VIEW
Page 9 FIGURE 11 SETTING EQUIPMENT UPFLOW APPLICATION HORIZONTAL APPLICATION FRONT VIEW SIDE VIEW FRONT VIEW END VIEW UNIT FRONT AIR FLOW UNIT FRONT 1/2” max. 1/2” max. AIR FLOW AIR FLOW SIDE VIEW UNIT FRONT Unit must be level side-to-side. Unit may be positioned from level to 1/2” toward the front ...
Page 10 - Installation Clearances; Back; Return Air Guidelines; Refer to Product Specifications for additional information.; Side Return Air; Return
Page 10 WARNING Improper installation of the furnace can result in personal injury or death. Combustion and flue productsmust never be allowed to enter the return air systemor air in the living space. Use sheet metal screws andjoint tape to seal return air system to furnace.In platform installation...
Page 11 - SIDE RETURN; Screw; Removing the Bottom Panel; Horizontal Applications; Front
Page 11 FIGURE 14 Optional Return Air Base (Upflow Applications Only) NOTE- Optional side return air filter kits are not for use with return air base. 1 Both the unit return air opening and the base return air opening must be covered by a single plenum or IAQ cabinet.Minimum unit side return air ope...
Page 12 - Left End; Top; Suspended Installation of Horizontal Unit
Page 12 The EL296UHE furnace can be installed in horizontal applications with either right- or left-hand air discharge. Refer to figure 17 for clearances in horizontal applications. Horizontal Application Installation Clearances Left End Right End Right-Hand Discharge Left-Hand Discharge Top Bottom...
Page 13 - Filters; IMPORTANT; TABLE 1; Furnace; Duct System; Supply Air Plenum; Pipe & Fittings Specifications
Page 13 *Gas connector may beused for Canadianinstallation if acceptable by local authorityhaving jurisdiction. FIGURE 19 *GAS CONNECTION RAISED PLATFORM SERVICE PLATFORM INTAKE PIPE EXHAUST PIPE Return Air -- Horizontal Applications Return air may be brought in only through the end of a furnace i...
Page 14 - TABLE 2; PRIMER & SOLVENT CEMENT; Canadian Applications Only; Joint Cementing Procedure; Check the inside of vent pipe thoroughly for
Page 14 CAUTION Solvent cements for plastic pipe are flammable liquids and should be kept away from all sources ofignition. Do not use excessive amounts of solventcement when making joints. Good ventilation shouldbe maintained to reduce fire hazard and to minimizebreathing of solvent vapors. Avoid ...
Page 15 - Venting Practices; Piping Suspension Guidelines; Wall Thickness Guidelines; Removal of the Furnace from Common Vent
Page 15 8 - After assembly, wipe excess cement from pipe at end of fitting socket. A properly made joint will show abead around its entire perimeter. Any gaps may indicate an improper assembly due to insufficient solvent. 9 - Handle joints carefully until completely set. Venting Practices FIGURE 2...
Page 16 - Vent Piping Guidelines; Horizontal Installation Offset Requirements; Exhaust Pipe; TABLE 3; MODEL
Page 16 Resize the common venting system to the minimum vent pipe size determined by using the appropriatetables in Appendix G. (These are in the current standards of the National Fuel Gas Code ANSI Z223.1. CHIMNEY OR GAS VENT (Check sizing for water heater only) FURNACE (Replacedby EL296) WATER HE...
Page 17 - Piping Size Process
Page 17 Use the following steps to correctly size vent pipe diameter. FIGURE 23 Piping Size Process 1 2 3 4 5 6 Which style termination being used? Standard or concentric? See table 4. Which needs most elbows? Intake or exhaust? How many elbows?Count all elbows insideand outside house. Desired pipe ...
Page 18 - STANDARD
Page 18 TABLE 4 OUTDOOR TERMINATION USAGE Input Size VentPipe Dia. in. STANDARD CONCENTRIC FlushMount Kit Wall Kit Wall Ring Kit Field Fabricated 1-1/2 inch 2 inch 3 inch 2 inch 3 inch 2 inch 51W11 (US) 51W12 (CA) 22G44 (US) 4 30G28 (CA) 44J40 (US) 4 81J20 (CA) 15F74 71M80 (US) 4 44W92 (CA) 69M29 (U...
Page 19 - See concentric terminations next page.
Page 19 TABLE 5 Maximum Allowable Intake or Exhaust Vent Length in Feet NOTE - Size intake and exhaust pipe length separately. Values in table are for Intake OR Exhaust, not combined total. Both Intake and Exhaust must be same pipesize.NOTE - Additional vent pipe and elbows used to terminate the ven...
Page 22 - APPLICATIONS
Page 22 FIGURE 24 TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR NON-DIRECT VENT APPLICATIONS TRANSITION 2” 2” 2” 3” 2” 2” or DO NOT transition from smaller to larger pipe in horizontal runs of exhaust pipe. EXHAUST *2” * When transitioning up in pipe size, use the shortest length o...
Page 23 - UPFLOW NON−DIRECT; TYPICAL AIR INTAKE PIPE CONNECTIONS; HORIZONTAL NON−DIRECT VENT APPLICATIONS
Page 23 Intake Piping The EL296UHE furnace may be installed in either direct vent or non-direct vent applications. In non-direct vent applications, when intake air will be drawn into the furnacefrom the surrounding space, the indoor air quality must beconsidered and guidelines listed in Combustion, ...
Page 24 - EQUIPMENT IN CONFINED SPACE; General Guidelines for Vent Terminations
Page 24 CAUTION If this unit is being installed in an application withcombustion air coming in from a space serviced byan exhaust fan, power exhaust fan, or other devicewhich may create a negative pressure in the space,take care when sizing the inlet air opening. The inlet air opening must be sized...
Page 26 - INSIDE CORNER
Page 26 FIGURE 30 VENT TERMINATION CLEARANCES FOR NON-DIRECT VENT INSTALLATIONS IN THE US AND CANADA K D E L B C F G A B J A M I H INSIDE CORNER DETAIL VENT TERMINAL AIR SUPPLY INLET AREA WHERE TERMINALIS NOT PERMITTED Fixed Closed Operable B Fixed Closed Operable B B A = B = C = D = E = F = G = H =...
Page 28 - DIRECT VENT ROOF TERMINATION KIT; Exiting Exhaust and Intake Vent; EXHAUST PIPE TERMINATION SIZE REDUCTION
Page 28 Details of Intake and Exhaust Piping Terminations forDirect Vent Installations NOTE - In Direct Vent installations, combustion air is tak en from outdoors and flue gases are discharged to outdoors. NOTE - Flue gas may be slightly acidic and may adversely affect some building materials. If ...
Page 29 - Vent Pipe; Alternate Terminations
Page 29 7 - If intake and exhaust piping must be run up a side wall to position above snow accumulation or other obstructions, piping must be supported every 24”(610MM) as shown in figures 36 and 37. In addition,close coupled wall termination kits must be extendedfor use in this application. See fi...
Page 33 - - Exhaust piping must terminate straight out or up as; NON-DIRECT VENT ROOF TERMINATION KIT; NON-DIRECT VENT FIELD SUPPLIED WALL TERMINATION OR; - If exhaust piping must be run up a side wall to position; NON-DIRECT VENT FIELD SUPPLIED WALL TERMINATION
Page 33 EL296UHE DIRECT VENT APPLICATION USING EXISTING CHIMNEY NOTE - Do not discharge exhaust gases directly into any chimney or vent stack. If vertical discharge through an existing unused chimney or stack is required, insert pipinginside chimney until the pipe open end is above top of chimney a...
Page 34 - EL296UHE NON-DIRECT VENT APPLICATION; Condensate Piping; CONDENSATE TRAP AND PLUG LOCATIONS; In horizontal applications it is recommended to
Page 34 NOTE - Do not discharge exhaust gases directly into any chimney or vent stack. If vertical discharge through an existing unused chimney or stack is required, insert pipinginside chimney until the pipe open end is above top of chimney and terminate as illustrated. In any exterior portion of...
Page 35 - Field Provided Drain Components; Do; (Unit shown in upflow position with remote trap); To Drain; CONDENSATE TRAP LOCATIONS; Condensate Trap With Optional Overflow Switch
Page 35 FIGURE 52 Tubing Hose Clamp Barbed Fitting Field Provided Drain Components Elbow CAUTION Do not use copper tubing or existing copper conden sate lines for drain line. 6 - If unit will be started immediately upon completion of installation, prime trap per procedure outlined in UnitStart-Up s...
Page 36 - EL296UHE with Evaporator Coil Using a Separate Drain; EL296UHE with Evaporator Coil Using a Common Drain; (Unit shown in horizontal left−hand discharge position)
Page 36 FIGURE 56 EL296UHE with Evaporator Coil Using a Separate Drain (Unit shown in horizontal left-hand discharge position) . 5’ max. PVC Pipe Only 4”min 5”max Evaporator Coil Drain Pan Condensate Drain Connection Field Provided Vent(4” min. to 5” max. abovecondensate connection) Piping from furn...
Page 38 - Gas Piping; - Gas piping may be routed into the unit through either; Leak Check; FIRE OR EXPLOSION HAZARD
Page 38 Gas Piping Gas supply piping should not allow more than 0.5”W.C. dropin pressure between gas meter and unit. Supply gas pipemust not be smaller than unit gas connection. CAUTION If a flexible gas connector is required or allowed bythe authority that has jurisdiction, black iron pipeshall be ...
Page 40 - GAS PIPE CAPACITY - FT; Electrical; Precautions and Procedures; INTERIOR MAKE-UP BOX INSTALLATION; BOX; remove and relocate
Page 40 TABLE 10 GAS PIPE CAPACITY - FT 3 /HR (kL/HR) Nominal Iron Pipe Size inches (mm) Internal Diameter inches (mm) Length of Pipe - feet (m) 10 (3.048) 20 (6.096) 30 (9.144) 40 (12.192) 50 (15.240) 60 (18.288) 70 (21.336) 80 (24.384) 90 (27.432) 100 (30.480) 1/2 (12.7) .622 (17.799) 172 (4.87) 1...
Page 41 - - When the thermostat is set to “FAN ON,” the indoor; Generator Use - Voltage Requirements; The furnace integrated control requires both polarity; On-Board Link W914 Dehum
Page 41 Accessory Terminals One line voltage “ACC” 1/4” spade terminal is provided onthe furnace integrated control. See figure 65 for integratedcontrol configuration. This terminal is energized when theindoor blower is operating. Any accessory rated up to oneamp can be connected to this terminal wi...
Page 42 - TYPICAL EL296UHE WIRING DIAGRAM
Page 43 - Integrated Control; /4” QUICK CONNECT TERMINALS; FLAME SENSE SIGNAL
Page 43 Integrated Control FIGURE 65 THERMOSTAT CONNECTIONS (TB1) 1/4” QUICK CONNECT TERMINALS DS = DEHUMIDIFICATION SIGNAL W2 = HEAT DEMAND FROM 2ND STAGE T/STAT W1 = HEAT DEMAND FROM 1ST STAGE T/STAT R = CLASS 2 VOLTAGE TO THERMOSTAT G = MANUAL FAN FROM T'STAT C = THERMOSTAT SIGNAL GROUND CONNECTE...
Page 44 - Integrated Control DIP Switch Settings; Select “OFF
Page 44 Integrated Control DIP Switch Settings EL296UHE units are equipped with a two-stage integratedcontrol. This control manages ignition timing, heatingmode fan off delays and indoor blower speeds based onselections made using the control dip switches and jumpers. The control includes an intern...
Page 45 - ON
Page 45 TABLE 14 EL296 Field Wiring Applications With Conventional Thermostat Thermostat DIP Switch Settings and On-Board Links (See figure 65) Wiring Connections DIP Switch 1 Thermostat Heating Stages On Board Links Must Be Cut To Select System Options 1 Heat / 1 Cool NOTE - Use DIPswitch 2 to sets...
Page 46 - OFF; OFF; OFF
Page 46 TABLE 14 EL296 Field Wiring Applications With Conventional Thermostat (Continued) Thermostat DIP Switch Settings and On-Board Links (See figure 65) Wiring Connections DIP Switch 1 Thermostat Heating Stages On Board Links Must Be Cut To Select System Options 2 Heat / 2 Cool OFF CUT ON-BOARD L...
Page 47 - * Connect W1 to W1 ONLY if using defrost tempering kit 67M41
Page 47 TABLE 14 EL296 Field Wiring Applications With Conventional Thermostat (Continued) Thermostat DIP Switch Settings and On-Board Links (figure 65) Wiring Connections DIP Switch 1 Thermostat Heating Stages On Board Links Must Be Cut To Select System Options Dual FuelSingle StageHeat Pump Comfort...
Page 49 - GAS VALVE SHOWN IN ON POSITION
Page 49 Unit Start-Up FOR YOUR SAFETY READ BEFORE OPERATING WARNING Do not use this furnace if any part has been underwater. A flood-damaged furnace is extremely dangerous. Attempts to use the furnace can result infire or explosion. Immediately call a qualified service technician to inspect the f...
Page 50 - Gas Pressure Adjustment
Page 50 4 - Move gas valve switch to OFF. 5 - Replace the access panel. Failure To Operate If the unit fails to operate, check the following: 1 - Is the thermostat calling for heat? 2 - Are access panels securely in place? 3 - Is the main disconnect switch closed? 4 - Is there a blown fuse or trippe...
Page 51 - Proper Combustion; For Nat; Low Fire; High Altitude Information; All Sizes
Page 51 Proper Combustion Furnace should operate minimum 15 minutes with correctmanifold pressure and gas flow rate before checking combustion. Take combustion sample beyond the flue outletand compare to the tables below. TABLE 16 EL296 Model CO 2 % For Nat CO 2 % For L.P Low Fire High Fire Low Fir...
Page 52 - CARBON MONOXIDE POISONING HAZARD!
Page 52 Testing for Proper Venting and Sufficient Combustion Air for Non-Direct Vent Applications WARNING CARBON MONOXIDE POISONING HAZARD! Failure to follow the steps outlined below for eachappliance connected to the venting system beingplaced into operation could result in carbon monoxide poisoni...
Page 54 - Repair Parts List
Page 54 Applications Using A Single-Stage Thermostat B - Heating Sequence -- Integrated Control ThermostatSelection DIP Switch 1 ON in “Single-Stage” Position NOTE - In these applications, two-stage heat will be initiated by the integrated control if heating demand has notbeen satisfied after the f...
Page 55 - Service
Page 55 Service WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. Failure to follow safety warnings exactly could resultin dangerous operation, serious injury, death orproperty damage.Improper servicing could result in dangerous operation, serious injury, death, or property damage.Before servici...
Page 56 - Line Voltage; UNIT SET UP; Flter
Page 56 Start-Up & Performance Check List Gas Supply Pressure SUPPLY AIR Line Voltage GAS SUPPLY Natural Gas LP Propane Gas Piping Connections Tight Leak Tested Supply Line Pressure “W.C.________ 1 INTAKE / EXHAUST PIPE All Joints Primed and Glued Terminations Installed Properly Pipes Supported ...
Page 57 - Combustion CO; UNIT OPERATION
Page 57 Contractor's: Name_________________________Telephone_____________Checklist Completed____________________ Job Address_____-________________________________Technician's Name___________________________________ 1 HEATING MODE GAS MANIFOLD PRESSURE “W.C._____ COMBUSTION SAMPLE CO 2 % ______ CO PP...
Page 58 - Requirements for Commonwealth of Massachusetts
Page 58 Requirements for Commonwealth of Massachusetts Modifications to NFPA-54, Chapter 10 Revise NFPA-54 section 10.8.3 to add the following requirements: For all side wall, horizontally vented, gas-fueled equipment installed in every dwelling, building or structure used in whole or in part for r...
Lennox MPD-4540CNM-B
Manual
Lennox O23V4-105
Manual
Lennox G60UH(X)
Manual
Lennox SWI160
Manual
Lennox EST-50*
Manual
Lennox II-T C INS
Manual
Lennox LSBV-3628EN-H
Manual
Lennox ADAGIO-MN
Manual
Lennox Elite Series Gas Furnace Upflow/Horizontal Air Discharge
Manual
Lennox G61MP
Manual
Lennox CONDENSING UNITS
Manual
Lennox G32Q3-75
Manual
Lennox TK3-33PB
Manual
Lennox SLBV-35
Manual
Lennox MONTEST
Manual
Lennox BC-36/42-2
Manual
Lennox JX20
Manual