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E 2020 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
IMPORTANT
This unit must be serviced annually by a licensed
professional technician, or equivalent.
WARNING
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 HVAC in
staller (or equivalent), service agency or the gas sup
plier.
WARNING
Do not store or use gasoline or other flammable va
pors and liquids in the vicinity of this or any other ap
pliance.
CAUTION
When venting this appliance, keep vent terminal free
of snow, ice and debris.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal in
jury. Take care while handling this equipment and
wear gloves and protective clothing.
INSTALLATION
INSTRUCTIONS
ELO183B SERIES UNITS
OIL UNITS
506902-02
02/2020
Supersedes 08/2018
Table of Contents
Front
Flue Model
Shown
General
These instructions are intended as a general guide and do
not supersede local codes in any way. Only licensed pro
fessional technicians, or equivalent, can install and service
the Lennox Elite
da, refer to CSA B139 for recommended installation proce
dures. Consult authorities who have jurisdiction before in
stallation. These furnaces comply with US Department of
Energy Fan Efficiency Rating (FER) regulations.
Never burn garbage or paper in the heating system.
Never leave papers near or around the unit.
Shipping & Packing List
1 - Assembled oil furnace
1 - Barometric draft control
1 - Side exhaust pipe collar (front flue units only)
1 - Direct intake collar
1 - Oil nozzle (used with ELO183B114 and -150 only)
Check the components for shipping damage. If you find
any damage, immediately contact the last carrier.
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Series ELO183B oil furnaces. In Cana
CAUTION
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Related Manuals for Lennox ELO183B101P48
Summary of Contents for Lennox ELO183B101P48
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS E 2020 Lennox Industries Inc. Dallas, Texas, USA ELO183B SERIES UNITS OIL UNITS 506902-02 02/2020 Supersedes 08/2018 Table of Contents General ........ -
Page 2: Elo183B Unit Dimensions
ELO183B Unit Dimensions - Inches (mm) (19) (19) 3‐1/4 1‐1/2 (83) TOP FLUE (38) OUTLET SUPPLY RETURN OPENING OPENING (19) (19) TOP VIEW FLUE CONNECTION ELO183BQ3/4‐105/120 SIDE FLOW FLUE OUTLET ELO183BQ5‐140/154R FLOW CENTERING HOLE ELO183BQ5-175/210R (Field Fabricate Either Side) FLUE CONNECTION ELO183BQ3/4‐105/1 40 &... -
Page 3: Elo183B Unit Parts Arrangement
ELO183B Unit Parts Arrangement Heat Exchanger Flue Opening Clean-Out Port Limit Switch Control Box Blower Burner Control Clean-Out Port Observation Port BeckettR AFG Burner Figure 1 ELO183B Oil AFG Burner Parts Arrangement BURNER CONTROL (with Reset Button) IGNITER MAIN HOUSING ESCUTCHEON PLATE HEAT... -
Page 4: Requirements
2. Unit service and accessibility clearances Installation of Lennox oil-fired furnaces must conform with take precedence over fire protection clearances. the National Fire Protection Association Standard for the Table 2 Installation of Oil Burning Equipment, NFPA No. -
Page 5: Combustion & Ventilation Air
not separated by a door. Though an area may appear to be Combustion and Ventilation Air unconfined, it might be necessary to bring in outdoor air for Homes built with energy conservation in mind use tight combustion if the structure does not provide enough air by construction practices. -
Page 6: Locate & Level Unit
Air from Outside Equipment In Confined Space All Air From Outside If air from outside is brought in for combustion and ventila tion, the confined space shall be provided with two perma Chimney nent openings. One opening shall be within 12” (305 mm) Or Oil Vent of the top of the enclosure and one within 12”... -
Page 7: Adjustments
2 - Level the unit from side-to-side and from front-to-rear. necting wires. Once removed, turn the burner around in the If the furnace is not level, place fireproof wedges or vest panel area. shims between the low side of the furnace and the ELO183B Series Burner Removal floor. -
Page 8: Indoor Coil Placement
Make sure the chimney is properly constructed and sized accord When matching a Lennox branded Acoil to an upflow oil ing to the requirements of the National Fire Protection Asso furnace, make sure coil width is appropriate for full air flow ciation. - Page 9 Front Flue / Factory-Built Chimney Front Flue / Masonry Chimne Barometric Draft Control* Liner Barometric Draft Factory- (in either Control* Built location) (in either location) Chimney Condensate Masonry Drain Chimney Clean Out Rear Flue / Masonry Chimney Rear Flue / Factory-Built Chimney Barometric Draft Liner Control*...
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Page 10: Flue Connections
NOTE - If vent pipe needs to exit from side of cabinet, Use 24 gauge or heavier galvanized smoke pipe and fit use the pilot hole (located on either side of the unit) to tings to connect furnace to vent. Connect flue pipe to chim cut a 6”... -
Page 11: Supply & Return Air Plenums
Barometric Draft Control Installation Oil Piping Install the provided barometric draft control in the flue pipe One‐Pipe System air vent at least 12 inches beyond the furnace flue outlet to provide Î Î Î Î Î Î Î Î Î Î Î space for flue gas sampling. -
Page 12: Oil Supply Line & Filter Connections
1 - Connect the inlet pipe to the pump inlet. Start the burner. IMPORTANT 2 - Set the primary burner control for continuous opera tion during purging. Both oil supply and return pipes must be submerged 3 - Turn the bleed valve one turn counterclockwise. in oil in the supply tank. -
Page 13: Leak Check
Table 5 Fuel Pump Usage Pump Piping Application Maximum Lift (vacuum) One-Pipe System 8 ft. (6” Hg vacuum) Single-Stage Pump Two-Pipe System 10 ft. (12” Hg vacuum) 10 ft. or greater Two-Stage Pump Two-Pipe System (12” to 17” Hg vacuum) Humidifier Leak Check A humidifier can be installed with this furnace. - Page 14 Typical ELO183B Wiring Diagram Figure 15 Fan Delay Table 6 A direct drive blower motor contained within the furnace is DIP Switch 2 Setting State Blower Delay equipped with adjustable blower on and off delays. These ON-SEC OFF-MIN delays are set by dip switches located on the control board. Refer to Table 6 for dip switch selection settings.
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Page 15: Unit Start-Up & Adjustments
6 - Repeat steps 4 and 5, if necessary, until pump is fully Unit Start-Up & Adjustments primed and oil is free of bubbles. Then, terminate the Before starting unit, make sure the oil tank is adequately call for heat. The burner control will resume normal op filled with clean No. - Page 16 Burner Adjustment Air Shutter / Band Adjustment The following instructions are essential to the proper op eration of ELO183B series oil furnaces. To prevent sooting, these instructions must be followed in sequence: 1. Draft—This test should be taken at the breach be tween the outlet of the vent connector and the baro...
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Page 17: Service
NOTE - A heat exchanger clean‐out kit ABRSH380 eration. No further lubrication is required. Disconnect pow (35K09) is available from Lennox. The kit includes a ra er to unit before cleaning blower wheel for debris. diator brush, a tapered brush and a non-metallic 36”... -
Page 18: Troubleshooting
Table 9 Reset Button Operation Pushing the reset button will: If the burner is in the below state: Button Click Button Hold Button Hold (press < 1 second) (press > 1 second) (press 15+ seconds) Reset from Restricted o r f (Hard) Lockout Valve-on Delay, Trial for Go to pump prime (see... - Page 19 Troubleshooting: Fan Operating Sequence Action System Response Thermostat calls for heat. Oil primary control is energized. (W terminal is energized.) Ignition system and oil primary control start the furnace. Oil flows as long as oil primary control senses flame. Burner motor is energized and heat fan on delay timing begins. When timing is complete, the circulating fan is energized at heat speed and warm air is delivered to the controlled space.
- Page 20 Troubleshooting: Burner fails to start. Source Procedure Causes Correction Thermostat in OFF or COOL Switch to HEAT. Thermostat Check thermostat settings. Turn thermostat to higher tem Thermostat is set too low perature. Burner motor overload tripped Push reset button pump motor. Primary control tripped on safe...
- Page 21 Troubleshooting: Burner starts, but no flame is established. Source Procedure Causes Correction Check tank gauge or use dip No oil in tank Fill tank. stick. Coat dip stick with litmus paste If water depth exceeds 1 inch, Oil Supply Water in oil tank and insert into bottom of tank.
- Page 22 Troubleshooting: Burner starts and fires, but lock out on safety. Source Procedure Causes Correction Unbalanced fire Replace nozzle Reduce combustion air - check Too much air - -lean short fire If burner con combustion. tinues to run, Increase combustion air - check this may be Too little air - - long dirty fire Poor Fire...
- Page 23 Troubleshooting: Burner starts and fires, but short cycles (too little heat) Source Procedure Causes Correction Heat anticipator set too low Correct heat anticipator setting. Vibration at thermostat Correct source of vibration. Thermostat Check thermostat. Thermostat in the path of a Shield thermostat from draft or warm air draft relocate.
- Page 24 Troubleshooting: Burner runs continuously (too little heat). Source Procedure Causes Correction Too much combustion air Reduce combustion air. Air leaks into heat exchanger Correct cause of air leak. around inspection door, etc. Low CO less Adjust barometric draft con than 10%. Excessive overfire draft trol for correct draft.
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