Lennox ELITE EL196UHE Installation Instructions Manual
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Lennox ELITE EL196UHE Installation Instructions Manual

Lennox ELITE EL196UHE Installation Instructions Manual

Upflow / horizontal air discharge
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© 2023 Lennox Industries Inc.
Dallas, Texas USA
Contents
Unit Dimensions - inches (mm) ......................................2
EL196UHE......................................................................3
Shipping and Packing List ..............................................3
Safety .............................................................................3
General ...........................................................................5
Combustion, Dilution, Ventilation Air...............................5
Setting Equipment ..........................................................8
Filters ............................................................................13
Duct System .................................................................13
Pipe Fittings Specifications...........................................14
Joint Cementing Procedure ..........................................16
Venting Practices ..........................................................16
INSTALLATION
INSTRUCTIONS
EL196UHE
ELITE
SERIES GAS FURNACE
®
UPFLOW / HORIZONTAL AIR DISCHARGE
507764-06
01/2023
Supersedes 07/2022
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
This is a safety alert symbol and should never be
ignored. When you see this symbol on labels or in man-
uals, be alert to the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
Gas Piping ....................................................................36
Electrical .......................................................................39
Unit Start-Up .................................................................43
Gas Pressure Measurement.........................................45
Proper Combustion.......................................................45
High Altitude .................................................................45
Other Unit Adjustments.................................................47
Service..........................................................................48
Repair Parts List ...........................................................50
Start-Up Checklist.........................................................52
Blower Data ..................................................................54
Page 1
WARNING
CAUTION

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Summary of Contents for Lennox ELITE EL196UHE

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS EL196UHE © 2023 Lennox Industries Inc. Dallas, Texas USA ELITE SERIES GAS FURNACE ® UPFLOW / HORIZONTAL AIR DISCHARGE 507764-06 01/2023 Supersedes 07/2022 THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE This is a safety alert symbol and should never be ignored.

  • Page 2: Unit Dimensions - Inches (Mm)

    Unit Dimensions - inches (mm) NOTE - 60C and 60D size units that require air volumes over 1800 cfm must have one of the following: 1. Single side return air and Optional Return Air Base with transition that must accommodate required EXHAUST AIR 3-1/4 20 x 25 x 1 inch (508 x 635 x 25 mm) air filter to...

  • Page 3: El196Uhe

    EL196UHE Gas Furnace Shipping and Packing List Package 1 of 1 contains The EL196UHE Category IV gas furnace is shipped ready for installation in the upflow or horizontal position. The furnace is 1 - Assembled EL196UHE unit shipped with the bottom panel in place. The bottom panel must 1 - Bag assembly containing the following: be removed if the unit is to be installed in horizontal or upflow applications with bottom return air.

  • Page 4: Use Of Furnace As A Construction Heaterl

    Fuel Gas Code (ANSI-Z223.1/NFPA 54). The National In Canada, all electrical wiring and grounding for the unit Fuel Gas Code is available from the following address: must be installed according to the current regulations of the Canadian Electrical Code Part I (CSA Standard C22.1) American National Standards Institute, Inc.

  • Page 5: General

    Chlorine base swimming pool chemicals FAILURE TO FOLLOW THE ABOVE INSTALLATION IN- Water softening chemicals STRUCTIONS VOIDS THE MANUFACTURER’S EQUIP- MENT LIMITED WARRANTY. LENNOX DISCLAIMS De-icing salts or chemicals ALL LIABILITY IN CONNECTION WITH INSTALLER’S Carbon tetrachloride FAILURE TO FOLLOW THE ABOVE INSTALLATION IN- Halogen type refrigerants STRUCTIONS.
  • Page 6 complete and official position of the ANSI on the refer- Even a small leak around the base of the unit at the plat- enced subject, which is represented only by the standard form or at the return air duct connection can cause a po- in its entirety.
  • Page 7 EQUIPMENT IN CONFINED SPACE EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE (Inlet Air from Ventilated Crawlspace and Outlet Air to Outside) (Inlet Air from Crawl Space and Outlet Air to Outside) Roof Terminated VENTILATION LOUVERS Exhaust Pipe (Each end of attic) ROOF TERMINATED EXHAUST PIPE OUTLET...
  • Page 8 flexible mounting leg). See Figure 10. The bolt and washer must be removed before the furnace is placed into oper- EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE (All Air Through Ventilated Attic) ation. After the bolt and washer have been removed, the rigid leg will not touch the blower housing.

  • Page 9: Setting Equipment

    SETTING EQUIPMENT UPFLOW APPLICATION Place level on blower Place level on the front blower deck screws to check deck to check side to side forward tilt UNIT FRONT AIR FLOW 1/2” max. SIDE VIEW HORIZONTAL APPLICATION UNIT FRONT AIR FLOW 1/2”...
  • Page 10 Return Air Guidelines WARNING Return air can be brought in through the bottom or either Improper installation of the furnace can result in personal side of the furnace installed in an upflow application. If the furnace is installed on a platform with bottom return, make injury or death.
  • Page 11 Optional Return Air Base CONDENSATE (Upflow Applications Only) TRAP FURNACE FRONT 23 (584) 3−1/4 IF BASE Overall (83) IS USED (Maximum) Minimum WITHOUT 11 (279) IAQ CABINET, Maximum 22−7/16 INDOOR AIR A SINGLE Unit side return air 14 (356) (570) QUALITY RETURN AIR Opening...
  • Page 12 Either suspend the furnace from roof rafters or floor joists, as shown in Figure 18, or install the furnace on a platform, as shown in Figure 19. A horizontal sus- pension kit (51W10) may be ordered from Lennox or use equivalent. Page 12...

  • Page 13: Filters

    If a filter is installed, size the the data given in the appropriate Lennox Product return air duct to fit the filter frame. Specifications bulletin. Additional information is provided in Service and Application Note ACC002 (August 2000).

  • Page 14: Pipe Fittings Specifications

    SUPPLY Install self tapping screws to seal any potential air leaks SUPPLY HORIZONTAL UNIT UPFLOW UNIT Figure 20 Pipe & Fittings Specifications TABLE 2 Continued All pipe, fittings, primer and solvent cement must conform PIPING AND FITTINGS SPECIFICATIONS with American National Standard Institute and the Ameri- SDR-21 CPVC or SDR-26 CPVC (Pipe) F442 can Society for Testing and Materials (ANSI/ASTM) stan-...
  • Page 15 Use PVC primer and solvent cement or ABS solvent ce- inside socket surface of fitting and male end of pipe to ment meeting ASTM specifications, refer toTABLE 2 Con- depth of fitting socket. tinued. As an alternate, use all purpose cement, to bond Canadian Applications Only - Pipe, fittings, primer and ABS, PVC, or CPVC pipe when using fittings and pipe solvent cement used to vent (exhaust) this appliance must...

  • Page 16: Joint Cementing Procedure

    Joint Cementing Procedure Venting Practices All cementing of joints should be done according to the specifications outlined in ASTM D 2855. Piping Suspension Guidelines DANGER SCHEDULE 40 DANGER OF EXPLOSION! PVC - 5' all other pipe* - 3' Fumes from PVC glue may ignite during system check. Allow fumes to dissipate for at least 5 minutes before placing unit into operation..
  • Page 17 Vent Piping Guidelines Figure 23 NOTE - Lennox has approved the use of DuraVent® and Centrotherm manufactured vent pipe and terminations NOTE - Lennox offers a glueless vent adapter kit 17H92 as an option to PVC. When using the PolyPro® by Du- as an option for exhaust exiting at the furnace top cap raVent or InnoFlue®...
  • Page 18 Use the following steps to correctly size vent pipe diam- IMPORTANT eter. Do not use screens or perforated metal in exhaust or Piping Size Process intake terminations. Doing so will cause freeze-ups and may block the terminations. What is the furnace capacity? TABLE 4 MINIMUM VENT PIPE LENGTHS...
  • 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 pipe size. NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
  • Page 20 TABLE 5 Continued 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 pipe size. NOTE - additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
  • Page 21 TABLE 6 Maximum Allowable Exhaust Vent Lengths With Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl Space For Intake Air in Feet NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
  • Page 22 TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR NON-DIRECT VENT APPLICATIONS 2” EXHAUST 2” EXHAUST INTAKE INTAKE 2” 2” 2” 2” 3” 3” 030/045/070 Only 1−1/2” TRANSITION Exhaust 2” 6” Min Exhaust DO NOT transition from larger to smaller DO NOT transition pipe in horizontal runs from smaller to larger...
  • Page 23 Intake Piping TYPICAL AIR INTAKE PIPE CONNECTIONS UPFLOW NON−DIRECT The EL196UHE furnace may be installed in either direct VENT APPLICATIONS vent or non-direct vent applications. In non-direct vent ap- plications, when intake air will be drawn into the furnace INTAKE from the surrounding space, the indoor air quality must be DEBRIS considered and guidelines listed in Combustion, Dilution...
  • Page 24 General Guidelines for Vent Terminations CAUTION In Non-Direct Vent applications, combustion air is taken If this unit is being installed in an application with from indoors and the flue gases are discharged to the out- combustion air coming in from a space serviced by an doors.
  • Page 25 TABLE 7 Maximum Allowable Exhaust Vent Pipe Length (in ft.) Without Insulation In Unconditioned Space For Winter Design Temperatures Single - Stage High Efficiency Furnace Vent Unit Input Size Winter Design Pipe Temp °F (°C) Diam 1-1/2 in 32 to 21 2 in (0 to -6) 2-1/2 in...
  • Page 26 ‡ Permitted only if veranda, porch, deck or balcony is fully open NOTE - This figure is intended to illustrate clearance requirement and does not serve as a substitute for on a minimum of two sides beneath the floor. Lennox recommends avoiding this location if possible. locally adopted installation codes.
  • Page 27 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of locally adopted installation codes. two sides beneath the floor. Lennox recommends avoiding this location if possible. Figure 33 Page 27...
  • Page 28 Details of Intake and Exhaust Piping Terminations for 3”(76mm) MAX. Direct Vent Installations Inches(mm) NOTE - In Direct Vent installations, combustion air is taken UNCONDITIONED from outdoors and flue gases are discharged to outdoors. ATTIC SPACE 8” (203mm) MIN NOTE - Flue gas may be slightly acidic and may adverse- ly affect some building materials.
  • 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. At least one FIELD-PROVIDED Accelerator not required REDUCER MAY BE bracket must be used within 6” from the top of the for 3”...
  • Page 30 FIELD FABRICATED WALL TERMINATION NOTE − FIELD−PROVIDED REDUCER MAY BE 2” (51mm) 3” (76mm) REQUIRED TO ADAPT LARGER VENT PIPE SIZE Vent Pipe Vent Pipe TO TERMINATION A− Minimum clearance above grade or average 12” (305 mm) 12” (305 mm) snow accumulation B−...
  • Page 31 Crawl Space and Extended Horizontal Venting (USA) KIT 15Z70 Lennox provides kit 51W18 (USA) kit 15Z70 (Canada) to (CANADA) install 2” or 3” PVC exhaust piping through the floor joists and into the the crawl space. See Figure 45. This kit can also be used as a supplemental drain for installations with condensate run back in the vent pipe (ie.
  • Page 32 Heating cable kit is available from Lennox in various lengths; 6 ft. (1.8m) - kit no. 26K68 and 24 ft. (7.3m) - kit no. 26K69. Page 32...
  • Page 33 Condensate Trap With Optional Overflow Switch CONDENSATE TRAP LOCATIONS (Unit shown in upflow position with remote trap) From Evaporator Coil HorizontalFurnace4” Min. to 5” Max.above condensatedrain connection) FieldProvidedVent Min. 1” Above Condensate Drain Connection 1” Min. 2” Max. FurnaceCondensate DrainConnection *5’...
  • Page 34 Furnace with Evaporator Coil Using a Separate Drain (Unit shown in horizontal left-hand discharge position) Field Provided Vent Evaporator (4” min. to 5” max. above Coil condensate connection) 4”min 5”max 5’ max. PVC Pipe Only Condensate Drain Connection (Trap at coil is optional) Drain Pan Piping from furnace and evaporator coil must slope down a minimum 1/4”...
  • Page 35 TRAP / DRAIN ASSEMBLY USING 1/2” PVC OR 3/4” PVC Optional Condensate Drain Connection Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) 90° Street Elbow 3/4 inch PVC (not furnished) Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) Condensate Drain Connection In Unit 1 (25 mm) Min.

  • Page 36: Gas Piping

    IMPORTANT Gas Piping Gas supply piping should not allow more than 0.5”W.C. Compounds used on threaded joints of gas piping must drop in pressure between gas meter and unit. Supply gas be resistant to the actions of liquified petroleum gases. pipe must not be smaller than unit gas connection.
  • Page 37 Upflow Application Upflow Application Left Side Piping Right Side Piping (Standard) (Alternate) 1/2” NPT 1/2” NPT MANUAL MAIN SHUT-OFF VALVE MANUAL MAIN SHUT-OFF VALVE GROUND GROUND JOINT JOINT UNION UNION DRIP LEG FIELD PROVIDED AND INSTALLED DRIP LEG NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET Figure 56 Horizontal Applications Possible Gas Piping Configurations...
  • Page 38 TABLE 9 Gas Pipe Capacity - ft3/hr (m3/hr) Nominal Internal Length of Pipe - feet (m) Iron Pipe Diameter Size Inches inches (3.048) (6.096) (9,144) (12,192) (15.240) (18.288) (21.336) (24.384) (27.432) (30,480) (mm) (mm) .622 (12.7) (17.799) (4.87) (3.34) (2.69) (2.29) (2.03) (1.84)

  • Page 39: Electrical

    The power supply wiring must meet Class I restrictions. Electrical Protected by either a fuse or circuit breaker, select circuit protection and wire size according to unit nameplate. ELECTROSTATIC DISCHARGE (ESD) NOTE - Unit nameplate states maximum current draw. Precautions and Procedures Maximum Over-Current Protection allowed is 15 AMP.
  • Page 40 One 24V ”H” 1/4” spade terminal is provided on the fur- 2 - When the EL196UHE is running in the heating nace integrated control. See Figure 60 or 61for integrat- mode, the indoor blower will run on the heating ed control configuration. The terminal is energized in the speed (HEAT).
  • Page 41 IGNITION CONTROL 107163-01 RED LED Flash Code Diagnostic Codes / Status of Furnace No Power to Control or Board Fault Detected Board Fault Detected Fast Heartbeat Call for Heat / Burner Operation Slow Heartbeat Normal Operation – Idle, Continuous Fan, or Cool 1 Flash Reverse Line Voltage Polarity or Phasing of 120V power 2 Flashes...
  • Page 42 Figure 59 Page 42...

  • Page 43: Unit Start-Up

    TABLE 10 1/4” QUICK CONNECT TERMINALS IGNITION CONTROL 103217-03 120V HUM POWER FOR HUMIDIFIER (120 VAC LINE INCOMING POWER LINE (120 VAC) XFMR TRANSFORMER PRIMARY (120 VAC) CIRC INDOOR BLOWER MOTOR (120 VAC) ELECTRONIC AIR CLEANER (120 VAC) HUM24 POWER FOR HUMIDIFIER (24 VAC) NEUTRALS (5) NEUTRAL 3/16”...
  • Page 44 Priming Condensate Trap 9 - Replace the access panel. 10- Turn on all electrical power to to the unit. The condensate trap should be primed with water prior 11- Set the thermostat to desired setting. to start-up to ensure proper condensate drainage. Either pour 10 fl.

  • Page 45: Gas Pressure Measurement

    Follow the steps below. Gas manifold Kit 10L34 provides Gas Pressure Measurement additional components if needed. Gas Flow (Approximate) 1 - Connect the test gauge positive side “+“ to manifold pressure tap on gas valve. TABLE 11 2 - Tee into the gas valve regulator vent hose and GAS METER CLOCKING CHART connect to test gauge negative “-”.
  • Page 46 TABLE 14 Manifold and Supply Line Pressure 0-10,000ft. Manifold Pressure in. wg. Supply Line Pressure EL196 in. w.g. Unit 0 - 4500 ft 4501 - 5500 ft 5501 - 6500 ft 6501 - 7500 ft 7501 - 10,000 ft 0 - 10000 ft. Natural 13.0 Models...

  • Page 47: Testing Combustion Air For Non-Dierct Vent

    8 - If improper venting is observed during any of the Testing Proper Venting Sufficient above tests, the venting system must be corrected Combustion Air for Non-Direct Vent Applications or sufficient combustion/make-up air must be provided. The venting system should be re-sized WARNING to approach the minimum size as determined by using the appropriate tables in appendix G in the...

  • Page 48: Service

    3 - Disconnect existing speed tap at integrated control At the beginning of each heating season, and to comply speed terminal. with the Lennox Limited Warranty, your system should be checked as follows: NOTE - Termination of any unused motor leads 1 - Check wiring for loose connections, voltage at must be insulated.
  • Page 49 7- Inspect the condensate drain and trap for leaks and 3 - Clock gas meter to ensure that the unit is operating at cracks. The drain and trap must also be cleaned the specified firing rate. Check the supply pressure and the trap must be primed with water.

  • Page 50: Repair Parts List

    ADDENDUM FOR ALL THE PROVINCES OF CANADA See below for venting for all the provinces of Canada. Lennox approves the following termination for use in all the prov- inces of Canada. 12”...
  • Page 51 Requirements for Commonwealth of Massachusetts Modifications to NFPA-54, Chapter 10 4 - INSPECTION. The state or local gas inspector of the side wall, horizontally vented, gas-fueled equipment Revise NFPA-54 section 10.8.3 to add the following shall not approve the installation unless, upon requirements: inspection, the inspector observes carbon monoxide For all side wall, horizontally vented, gas-fueled equip-...

  • Page 52: Start-Up Checklist

    Start-Up & Performance Check List UNIT SET UP (typical) Furnace: Model Number_______________ Serial Number_________________ SUPPLY Line Voltage GAS SUPPLY LP Propane Gas Natural Gas Piping Connections Tight Leak Tested Flter Supply Line Pressure “W.C.________ RETURN AIR Gas Supply Pressure DUCT SYSTEM SUPPLY AIR DUCT Sealed INTAKE / EXHAUST PIPE...
  • Page 53 UNIT OPERATION HEATING MODE COOLING MODE GAS MANIFOLD PRESSURE “W.C._____ INDOOR BLOWER AMPS______ COMBUSTION SAMPLE CO CO PPM_______ TEMPERATURE DROP ______ Return Duct Temperature _________ INDOOR BLOWER AMPS______ Supply Duct Temperature _______ Temperature Drop = _________ TEMPERATURE RISE TOTAL EXTERNAL STATIC (dry coil) Supply Duct Temperature ________ Supply External Static _______ Return Duct Temperature...

  • Page 54: Blower Data

    Blower Data EL196UH030XE36B PERFORMANCE (Less Filter) Air Volume / Watts at Various Blower Speeds External Static High Medium-High Medium Medium-Low Pressure (Black) (Brown) (Blue) (Yellow) (Red) in. w.g. Watts Watts Watts Watts Watts 0.00 1402 1138 0.10 1374 1109 0.20 1346 1080 0.30...
  • Page 55 Blower Data EL196UH090XE48C PERFORMANCE (Less Filter) Air Volume / Watts at Various Blower Speeds External Static High Medium-High Medium Medium-Low Pressure (Black) (Brown) (Blue) (Yellow) (Red) in. w.g. Watts Watts Watts Watts Watts 0.00 1723 1511 1389 1302 1194 0.10 1684 1480 1356...

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