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E 2013 Lennox Industries Inc.
Dallas, Texas, USA
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01/13
*2P0113*
DOWNFLOW
AIR FLOW
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INSTALLATION
INSTRUCTIONS
EL180DFE
®
ELITE
SERIES GAS FURNACE
DOWNFLOW AIR DISCHARGE
507140-01
01/2013
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.
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
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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WARNING
CAUTION
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507140-01
*P507140-01*
Litho U.S.A.
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Summary of Contents for Lennox EL180DFE
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS E 2013 Lennox Industries Inc. Dallas, Texas, USA EL180DFE ® ELITE SERIES GAS FURNACE DOWNFLOW AIR DISCHARGE 507140-01 01/2013 Litho U.S.A. 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. -
Page 2: Unit Dimensions
Unit Dimensions - inches (mm) 3−1/8 9/16 (79) (14) RETURN AIR OPENING FLUE OUTLET 19−7/16 9/16 (Top) (494) (14) 9/16 (14) TOP VIEW 27−3/4 1−1/2 (38) (705) Front Panel 9/16 19−7/16 9/16 (14) (494) (14) ELECTRICAL INLET (Either Side) (838) 5−3/8 (137) Right GAS PIPING INLET 2−3/16 (56) Left... -
Page 3: El180Dfe Gas Furnace
WARNING This EL180DFE furnace must be installed so that its electri Improper installation, adjustment, alteration, service cal components are protected from water. -
Page 4: Use Of Furnace As A Construction Heater
Gas furnaces shall be installed by a licensed plumb EL180DFE units may be used for heating of buildings or er or fitter only. structures under construction, if the following conditions The gas cock must be “T handle” type. -
Page 5: Combustion, Dilution & Ventilation Air
EL180DFE furnaces to ensure effi The requirements for providing air for combustion and ven cient and safe operation. You must consider combustion air tilation depend largely on whether the furnace is installed in needs and requirements for exhaust vents. - Page 6 outside the space containing the furnace. This is especially total input rating of all gas-fired equipment in the confined important when the furnace is mounted on a platform in a space. Each opening must be at least 100 square inches confined space such as a closet or small equipment room.
- 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 Installation on Non-Combustible Flooring (Figure 6) 1 - Cut floor opening keeping in mind clearances listed on unit rating plate. Also keep in mind gas supply connec EL180DFE UNIT tions, electrical supply, flue and air intake connections and sufficient installation and servicing clearances.
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Page 9: Setting Equipment
PROPERLY death. PLENUM SIZED FLOOR OPENING Install the EL180DFE gas furnace as shipped in the downflow position only. Do not install the furnace hori zontally. Select a location that allows for the required clearances FIGURE 8 that are listed on the unit nameplate. Also consider gas... - Page 10 Horizontal Front Back FIGURE 12 Downflow Application CAUTION Allow for clearances to combustible materials as indicated on the unit nameplate. Minimum clearances for closet or al If this unit is being installed in a space serviced by an exhaust fan, power exhaust fan, or other device cove installations are shown in figure 13.
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Page 11: Filters
Before using any filter with this system, check the tion. specifications provided by the filter manufacturer The EL180DFE series units are classified as fan-assisted against the data given in the appropriate Lennox Category I furnaces when vertically vented according to Product Specifications bulletin. - Page 12 Use self-drilling sheet metal screws or a mechanical fas WARNING tener to firmly secure the vent pipe to the round collar of the flue transition. If self-drilling screws are used to attach the Asphyxiation hazard. The exhaust vent for this fur vent pipe, it is recommended that three be used.
- Page 13 VENT CONNECTOR General Venting Requirements 4 in. (102 mm) minimum Vent all EL180DFE furnaces according to these instruc FURNACE tions: 1 - Vent diameter recommendations and maximum allow able piping runs are found in the provided venting OTHER tables.
- Page 14 TABLE 4 space or other areas which may be cold, that portion of the vent connector shall be constructed of listed Maximum Horizontal Connector Diameter double‐wall type B vent material or material having Connector Length feet (m) inches (mm) equivalent insulation qualities. 3 (76) 4-1/2 (1.37) 14 - All venting pipe passing through floors, walls, and ceil...
- Page 15 TABLE 5 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 16 TABLE 6 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)
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Page 17: Gas Piping
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 18 TABLE 8 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)
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Page 19: Electrical
Take precautions to neutralize electrostatic charge by NOTE - The EL180DFE furnace contains electronic touching your hand and tools to metal components that are polarity sensitive. Make sure that the prior to handling the control. - Page 20 ”C” terminal. 2 - When the EL180DFE is running in the heating mode, Generator Use - Voltage Requirements the indoor blower will run on the heating speed.
- Page 21 EL180DFE Schematic Wiring Diagram FIGURE 20 Page 21...
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Page 22: 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 23: Unit Start-Up
“Turning Off Gas to Unit” and call your service techni The gas valve on the EL180DFE unit is equipped with a gas cian or gas supplier. control switch. Use only your hand to move the switch. Nev... -
Page 24: Gas Pressure Adjustment
The maximum car GAS METER CLOCKING CHART bon monoxide reading should not exceed 50 ppm. Seconds for One Revolution TABLE 11 Natural EL180DFE Unit EL180DFE Unit 1 cu ft 2 cu ft 1 cu ft 2 cu ft L.P. -
Page 25: Other Unit Adjustments
TABLE 12 Manifold Pressure Settings at all Altitudes Supply Pressure Model in.wg. 0-4500 ft 4501-7500 ft 7501 - 10,000 ft Input Size 13.0 LP/propane 10.0 10.0 10.0 11.0 13.0 13.0 LP/propane 10.0 10.0 10.0 11.0 13.0 13.0 LP/propane 10.0 10.0 10.0 11.0 13.0... - Page 26 9 - Recheck temperature rise. Constant Torque Motor Electronic Ignition EL180DFE units are equipped with a permanent magnetic The integrated control has an added feature of an internal indoor blower motor that provides constant torque. The mo Watchguard control. The feature serves as an automatic re...
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Page 27: Service
9 - Reconnect the sensor wire and reconnect the 2-pin Filters plug to the ignitor wiring harness. All EL180DFE filters are installed external to the unit. Fil 10 - Follow lighting instructions to light and operate fur ters should be inspected monthly. Clean or replace the fil... -
Page 28: Repair Parts List
Repair Parts List Motor The following repair parts are available through indepen Motor electronics dent Lennox dealers. When ordering parts, include the Power choke (1/2 and 3/4 hp only) complete furnace model number listed on the CSA Interna Motor mounting frame tional nameplate -- Example: EL180DF110E60C. -
Page 29: Start-Up & Performance Checklist
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 30 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...