E 2010 Lennox Industries Inc. Dallas, Texas, USA SL280UHV 506677−01 11/2010 SERIES Supersedes 506409−01 GAS FURNACE Litho U.S.A. WARNING FIRE OR EXPLOSION HAZARD. Failure to follow safety warnings exactly could result in serious injury, death, or property damage. WHAT TO DO IF YOU SMELL GAS: Do not store or use gasoline or other flammable D Do not try to light any appliance.
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CAUTION supervisor. Before attempting to perform any service or mainte- Lennox Industries Inc. nance, turn the electrical power to unit OFF at the P.O. Box 799900 Dallas, TX 75379−9900 disconnect switch.
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Because Improper installation, adjustment, alteration, service of this, Lennox recommends the use of a carbon monox- or maintenance can cause property damage, person- ide detector in your home, even if you do not own gas al injury or loss of life.
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7 − Wait five minutes to clear out any gas. If you then smell DANGER gas, STOP! Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instruc- Danger of explosion. tions. If you do not smell gas go to next step. There are circumstances in which odorant used with 8 −...
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Take care to reconnect wires correctly. Verify proper operation after servicing. Service Reminder Venting System Call your Lennox service technician if the unit will not oper- ate. Before calling, always check the following to be sure WARNING service is required.
If you discover any of the following, shut down your structed to provide combustion air. unit, and contact a Lennox dealer for an inspection by a licensed professional service technician (or equiva- Burners − Must be inspected for rust, dirt, or signs of water.
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Repair Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: SL280UH135V60D−1. All service must be done by a li- censed professional installer (or equivalent), a service agency, or the gas supplier.
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