Johnson Controls Unitary Products 356486-UUM-K-0613USER’S INFORMATION MANUALMODELS:All Residential Multi-position Gas Furnaces(33” Models)TABLE OF CONTENTSCONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1INSTRUCTIONS FOR EXAMINING THEFURNACE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2START-UP AND SHUTDOWN INSTRUCTIONS . . . . . . . . . . . . . . . . 3HOW YOUR GAS FURNACE WORKS . . . . . . . . . . . . . . . . . . . . . . 3OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4TO TURN OFF THE APPLIANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 4FURNACE MAINTENANCE - USER INFORMATION . . . . . . . . . . . . 4EXTERNAL AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4How to Clean your Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5BLOWER CARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5MOTOR LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5SERVICE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5TROUBLESHOOTING PROBLEMS . . . . . . . . . . . . . . . . . . . . . . . .5FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . .5FURNACE MAINTENANCE - DEALER/CONTRACTOR . . . . . . . .5REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . .5WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7CONTACT INFORMATION• Go to website at www.york.com, then click on “Contact Us” andfollow the instructions.• Contact us by mail:Johnson Controls Unitary ProductsConsumer Relations5005 York DriveNorman, OK 73069We recommend that the user read all sections of thismanual and keep the manual for future reference.SAFETYThis is a safety alert symbol. When you see this symbol onlabels or in manuals, be alert to the potential for personalinjury.Understand and pay particular attention to the signal words DANGER,WARNING, or CAUTION.DANGER indicates an imminently hazardous situation, which, if notavoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation, which, if notavoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation, which, if notavoided may result in minor or moderate injury. It is also used toalert against unsafe practices and hazards involving only property dam-age.1. The furnace area must be kept clear and free of combustible mate-rials, gasoline and other flammable vapors and liquids.2. Insulating materials may be combustible. The furnace must be keptfree and clear of insulating materials. The furnace area must beexamined when installed in an attic or other insulated space orwhen insulation is added to be sure that the insulation material hasbeen kept away from the furnace.3. The furnace needs air for combustion in order to operate properlyand safely. Do not block or obstruct air openings on the furnace, airopenings to the area where the furnace is installed, or spacesaround the furnace.4. Follow the instructions exactly as shown on the OPERATINGINSTRUCTION LABEL on the furnace or the “START-UP ANDSHUTDOWN INSTRUCTIONS” section of this manual when light-ing the furnace or turning the furnace off.5. Should the gas supply fail to shut off or if overheating occurs, shutoff the gas valve to the furnace before shutting off the electrical sup-ply.6. Do not use this furnace if any part has been under water. A flood-damaged furnace is extremely dangerous. Attempts to use the fur-nace can result in fire or explosion. A qualified service agencyshould be contacted to inspect the furnace and replace all gas con-trols, control system parts, electrical parts that have been wet or thefurnace if deemed necessary.7. NEVER. . .Store flammable materials of any kind near your furnace.Gasoline, solvents, and other volatile liquids should be stored onlyin approved containers outside your home. These materials vapor-ize easily and are extremely dangerous.8. NEVER. . .Store cleaning materials near your furnace. Materialssuch as bleaches, detergents, powdered cleansers, etc., can causecorrosion of the heat exchangers.9. NEVER. . . Use the area around your furnace as a storage area foritems which could block the normal flow of air. This flow of air isrequired for ventilation of the various furnace components.FIRE OR EXPLOSION HAZARD - Failure to follow safety warningsexactly could result in serious injury, death, or property damage.— Do not store or use gasoline or other flammable vapors andliquids in the vicinity of this or any other appliance.— WHAT TO DO IF YOU SMELL GAS:• Do not try to light any appliance.• Do not touch any electrical switch; do not use any phone (includ-ing cell phone) in your building.• Leave the building immediately.• Immediately call your gas supplier from a neighbor’s phone. Fol-low the gas supplier’s instructions.• If you cannot reach your gas supplier, call the fire department.— Installation and service must be performed by a qualified installer,service agency or the gas supplier.