USER’S, MAINTENANCEandSERVICE INFORMATIONMANUALSINGLE PACKAGEAIR CONDITIONERGAS/ELECTRIC291891-YUM-A-0207CONTENTSSAFETY INFORMATION . . . . . . . . . . . . . . . 2SYSTEM OPERATION. . . . . . . . . . . . . . . . . 2THERMOSTATS . . . . . . . . . . . . . . . . . . . . 2SPARK TO PILOT IGNITIONDEVICE . . . . . . . . . . . . . . . . . . . . . . . . . 2HEATING . . . . . . . . . . . . . . . . . . . . . . . . . 2COOLING . . . . . . . . . . . . . . . . . . . . . . . . . 3CIRCULATING FAN . . . . . . . . . . . . . . . . . 3INPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3FOR YOUR SAFETY, READ BEFOREOPERATING. . . . . . . . . . . . . . . . . . . . . . . 3WHAT TO DO IF YOU SMELL GAS . . . . . . 3START-UP INSTRUCTIONS - HEATINGSYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 4SHUTDOWN INSTRUCTION - TO TURNOFF GAS TO APPLIANCE . . . . . . . . . . . 4SECURE OWNER’S APPROVAL . . . . . . . . 4MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 5NORMAL MAINTENANCE . . . . . . . . . . . . 5LUBRICATION . . . . . . . . . . . . . . . . . . . . . 5GENERAL MAINTENANCE . . . . . . . . . . . 5FILTER CARE. . . . . . . . . . . . . . . . . . . . . . 5OUTDOOR COIL . . . . . . . . . . . . . . . . . . . 5BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . 5TO CLEAN BURNERS . . . . . . . . . . . . . . . 5COMBUSTION AIR DISCHARGE . . . . . . 5CLEANING FLUE PASSAGES ANDHEATING ELEMENTS . . . . . . . . . . . . . 5REGISTERS . . . . . . . . . . . . . . . . . . . . . . . 5TROUBLESHOOTING . . . . . . . . . . . . . . . . . 6BEFORE CALLING A SERVICE-PERSON . . . . . . . . . . . . . . . . . . . . . . . . 6REPLACEMENT PARTS . . . . . . . . . . . . . . . 6SOME EFFICIENCY DO’S AND DONT’S . . 6The manufacturer recommends that the “User” read all sections of thismanual and keep the manual for future reference.FIRE OR EXPLOSION HAZARDFailure to follow safety warnings exactlycould result in serious injury, death, or prop-erty damage.- Do not store or use gasoline or other flam-mable vapors and liquids in the vicinity ofthis 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 notuse any phone in your building.• Leave the building immediately.• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.• If you cannot reach your gas supplier, callthe fire department.- Installation and service must be performedby a qualified installer, service agency orthe gas supplier.®