Lennox EL180UHE Installation Instructions Manual
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Lennox EL180UHE Installation Instructions Manual

Lennox EL180UHE Installation Instructions Manual

Elite series gas furnace upflow / horizontal air discharge
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E 2013 Lennox Industries Inc.
Dallas, Texas, USA
AIR FLOW
HORIZONTAL LEFT
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01/13
*2P0113*
UPFLOW
AIR FLOW
AIR FLOW
HORIZONTAL RIGHT

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INSTALLATION
INSTRUCTIONS
EL180UHE
®
ELITE
SERIES GAS FURNACE
UPFLOW / HORIZONTAL AIR DISCHARGE
507138-01
01/2013
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 manuals, be alert
to the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person­
al injury or loss of life. Installation and service must
be performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
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507138-01
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Litho U.S.A.
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Summary of Contents for Lennox EL180UHE

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS E 2013 Lennox Industries Inc. Dallas, Texas, USA EL180UHE ® ELITE SERIES GAS FURNACE UPFLOW / HORIZONTAL AIR DISCHARGE 507138-01 01/2013 Litho U.S.A. 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

    AIR FLOW 1−15/16 (49) (19) (16) 3−1/4 23−1/2 (83) (19) (597) Bottom Return Bottom Return Air Opening Air Opening FRONT VIEW SIDE VIEW EL180UHE Model No. 045(X)E36A 14-1/2 13-3/8 4-3/4 070(X)E36B 17-1/2 16-3/8 6-1/4 090(X)E48B 090E60C 19-7/8 19-1/2 110(X)E60C 135E60D...

  • Page 3: El180Uhe Gas Furnace

    EL180UHE Gas Furnace CAUTION The EL180UHE unit is shipped ready for installation in the As with any mechanical equipment, personal injury upflow or horizontal right position (for horizontal left posi­ can result from contact with sharp sheet metal tion the combustion air pressure switch must be moved) edges.

  • Page 4: Use Of Furnace As A Construction Heater

    HEAT or COOL setting. See figure 1. EL180UHE units may be used for heating of buildings or structures under construction, if the following conditions Heating Unit Installed Parallel to Cooling Coil...

  • Page 5: Combustion, Dilution & Ventilation Air

    EL180UHE furnaces to ensure effi­ an unconfined or a confined space. cient and safe operation. You must consider combustion air Unconfined Space needs and requirements for exhaust vents.
  • Page 6 separated by a door. Though an area may appear to be un­ Air from Inside confined, it might be necessary to bring in outdoor air for If the confined space that houses the furnace adjoins a combustion if the structure does not provide enough air by space categorized as unconfined, air can be brought in by infiltration.
  • Page 7 EQUIPMENT IN CONFINED SPACE ALL AIR FROM OUTSIDE (Inlet Air from Crawlspace and Outlet Air to Ventilated Attic) CHIMNEY OR GAS VENT VENTILATION LOUVERS (Each end of attic) OUTLET WATER FURNACE HEATER INLET VENTILATION LOUVERS (For unheated crawl space) NOTE-The inlet and outlet air openings shall each have a free area of at least one square inch (645 ) per 4,000 Btu (1.17 kW) per hour of the total input rating of all equipment in the enclosure.

  • Page 8: Setting Equipment

    Doing so will adversely affect the operation of the safety control devices, which could result in per­ sonal injury or death. The EL180UHE gas furnace can be installed as shipped in either the upflow position or the horizontal position. Left Side...
  • Page 9 Return Air -- Upflow Applications Single Side Return Air Return air can be brought in through the bottom or either (with transition and filter) side of the furnace installed in an upflow application. If the furnace is installed on a platform with bottom return, make an airtight seal between the bottom of the furnace and the platform to ensure that the furnace operates properly and safely.
  • Page 10 Removing the Bottom Panel Horizontal Applications Remove the two screws that secure the bottom cap to the The EL180UHE furnace can be installed in horizontal ap­ furnace. Pivot the bottom cap down to release the bottom plications. Order horizontal suspension kit (51W10) from panel.

  • Page 11: Filters

    Before using any filter with this system, check the specifications provided by the filter manufacturer against the data given in the appropriate Lennox ENTRY VENT PIPE Product Specifications bulletin.

  • Page 12: Venting

    Return Air Plenum UPFLOW POSITION NOTE - Return air must not be drawn from a room­ Top Vent Discharge where this furnace, or any other gas-fueled appliance Vent Pipe Flue (i.e., water heater), or carbon monoxide producing de­ Transition Collector Box vice (i.e., wood fireplace) is installed.
  • Page 13 UPFLOW POSITION HORIZONTAL LEFT POSITION Left Side Vent Discharge Top Vent Discharge Vent Pipe Cover Plate Collector Box Pressure Make-Up Switch Pressure Switch Vent Pipe Flue Transition FLOW Flue Transition Cover Plate FLOW D Gas supply piping must be brought into the unit from the right side in order to accommodate the flue pipe.
  • Page 14 Top Vent Discharge the combustion chamber and/or heat exchanger. The Vent Pipe EL180UHE is not approved for use with horizontal venting. Pressure Switch NOTE - Use these instructions as a guide. They do not su­ persede local codes. This furnace must be vented accord­...
  • Page 15 WARNING suitable for venting EL180UHE series units. The chimney passageway must be checked periodically to ensure that it Asphyxiation hazard. The exhaust vent for this fur­...
  • Page 16 General Venting Requirements 6 - The entire length of single wall metal vent connector Vent all EL180UHE furnaces according to these instruc­ shall be readily accessible for inspection, cleaning, tions: and replacement.
  • Page 17 9 - If the common vertical vent is offset, the maximum ings must be installed with the listed clearance to com­ common vent capacity listed in the common venting bustible materials and be fire stopped according to lo­ tables should be reduced by 20%, the equivalent of two cal codes.
  • Page 18 TABLE 3 Capacity of Type B Double-Wall Vents with Type B Double-Wall Connectors Serving a Single Category I Appliance Vent and Connector Diameter - D (inches) Height Lateral 3 Inch 4 Inch 5 Inch 6 Inch Appliance Input Rating in Thousands of Btu Per Hour (feet) (feet) NOTE - Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system.
  • Page 19 TABLE 4 Vent Connector Capacity Type B Double-Wall Vents with Type B Double-Wall Connectors Serving Two or More Category I Appliances Vent and Connector Diameter - D (inches) Vent Connector 3 Inch 4 Inch 5 Inch 6 Inch Height Rise Appliance Input Rating in Thousands of Btu Per Hour (feet) (feet)

  • Page 20: Caution

    Removal of the Furnace from Common Vent Resize the common venting system to the minimum vent pipe size determined by using the appropriate In the event that an existing furnace is removed from a tables in Appendix G. (These are in the current stan­ venting system commonly run with separate gas ap­...
  • Page 21 TABLE 6 Gas Pipe Capacity - ft /hr (m /hr) Nominal Length of Pipe - feet (m) Internal Iron Pipe Diameter Size inches inches (mm) (3.048) (6.096) (9.144) (12.192) (15.240) (18.288) (21.336) (24.384) (27.432) (30.480) (mm) .622 (12.7) (17.799) (4.87) (3.34) (2.69) (2.29)

  • Page 22: Electrical

    Horizontal Applications Possible Gas Piping Configurations MANUAL MAIN SHUT-OFF VALVE MANUAL MAIN SHUT-OFF Horizontal Application VALVE Left-Side Air Discharge GROUND JOINT UNION GROUND JOINT DRIP LEG UNION DRIP LEG MANUAL MAIN SHUT-OFF VALVE GROUND JOINT UNION FIELD PROVIDED AND INSTALLED Horizontal Application Right-Side Air Discharge NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET...
  • Page 23 One line voltage “EAC” 1/4” spade terminal is provided on 2 - When the EL180UHE is running in the heating mode, the indoor blower will run on the heating speed. the furnace integrated control. See figure 30 for integrated control configuration.
  • Page 24 EL180UHE Schematic Wiring Diagram FIGURE 29 Page 24...

  • Page 25: Integrated Control

    Integrated Control RED LED Diagnostic Codes / Status of Furnace Flash Code No power to control or board fault detected Board fault detected, Heartbeat Control powered - displayed during all modes of operation if no errors are detected Reverse Line Voltage Polarity Improper Earth Ground Burner failed to light, or lost flame during heat demand Low Flame Signal - check flame sensor...

  • Page 26: Unit Start-Up

    “Turning Off Gas to Unit” and call your service techni­ The gas valve on the EL180UHE unit is equipped with a cian or gas supplier. gas control switch. Use only your hand to move the switch.

  • Page 27: Gas Pressure Adjustment

    The maximum car­ TABLE 8 bon monoxide reading should not exceed 50 ppm. GAS METER CLOCKING CHART TABLE 9 Seconds for One Revolution EL180UHE Unit Natural L.P. EL180UHE Unit 1 cu ft 2 cu ft...

  • Page 28: Other Unit Adjustments

    TABLE 10 Manifold Pressure Settings at all Altitudes Line Pressure in.wg. Model 0-2000 ft 2001-4500 ft. 4501-7500 ft 7501 - 10,000 ft Input Size 13.0 LP/propane 10.0 10.0 10.0 10.0 11.0 13.0 13.0 LP/propane 10.0 10.0 10.0 10.0 11.0 13.0 13.0 LP/propane 10.0...

  • Page 29: Service

    3 - Disconnect existing speed tap at integrated control Filters speed terminal. All EL180UHE filters are installed external to the unit. Fil­ ters should be inspected monthly. Clean or replace the fil­ NOTE - Termination of any unused motor leads must be ters when necessary to ensure that the furnace operates insulated.

  • Page 30: Repair Parts List

    FIGURE 33 Repair Parts List The following repair parts are available through independent Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate -- Example: EL180UH045E36A-01. All service must be performed by a licensed professional installer (or equivalent), service agency, or gas supplier.

  • Page 31: Start Up Check List

    Start-Up & Performance Check List UNIT SET UP (typical) Unit Model Number_______________ Serial Number___________________ SUPPLY Line Voltage upflow furnace shown Gas Supply Pressure Filter RETURN RETURN DUCT SYSTEM GAS SUPPLY SUPPLY AIR DUCT Natural Gas LP/Propane Gas Sealed Piping Connections Tight Insulated (if necessary) Leak Tested Registers Open and Unobstructed...
  • Page 32 UNIT OPERATION (typical) Combustion CO SUPPLY Thermostat Gas Manifold Pressure Temperatures upflow furnace shown Filter Blower Motor Amps Duct Static RETURN RETURN COOLING MODE HEATING MODE INDOOR BLOWER AMPS______ GAS MANIFOLD PRESSURE “W.C._____ TEMPERATURE DROP COMBUSTION SAMPLE CO CO PPM_______ ______ Return Duct Temperature _________ Supply Duct Temperature...

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Elite el180uhe

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