Classic Agricultural Animal Confinement Building Heaterswww.lbwhite.comOwner’s Manual • Classic2TABLE OF CONTENTSHeater Specifications..................................................................................................... 4General Information ....................................................................................................... 5Safety Precautions ........................................................................................................ 6Installation InstructionsGeneral ..................................................................................................................... 9Air Diverter Installation Instructions ........................................................................ 11Hanging Installation Instructions............................................................................. 11Sediment Trap Assembly Instructions .................................................................... 12Thermostat Installation Instructions ........................................................................ 12Manual Shut-Off Valve, Hose and Regulator Assembly (Second Stage) ............... 14Hose and Regulator Assembly (Single Stage) ....................................................... 14Start-Up Instructions .................................................................................................... 15Shut-Down Instructions ............................................................................................... 15Cleaning Instructions ................................................................................................... 16Maintenance Instructions............................................................................................. 17Service InstructionsGeneral ................................................................................................................... 18Burner Orifice and Gas Control Valve..................................................................... 18Motor and Fan ........................................................................................................ 20Air Proving Switch .................................................................................................. 21Flapper (Sail) Classic 115 ....................................................................................... 22Thermocouple......................................................................................................... 22Pilot Light Assembly ............................................................................................... 23High Limit Switch .................................................................................................... 24Gas Pressure Checks............................................................................................. 25Troubleshooting ........................................................................................................... 26Electrical Connection and Ladder Diagram ................................................................. 34Heater Component Function ....................................................................................... 35Parts Schematic and Parts ListClassic 60 ................................................................................................... 36 and 37Classic 115 ................................................................................................. 38 and 39Warranty Policy, Replacement Parts, and Service ...................................................... 40WARNINGStandard products are manufactured to operate at optimum efficiency at elevationsbetween 0 and 2,000 FT (0-610m) above sea level.If operated at higher elevations the product will not function correctly and mayfunction in an unsafe nature.Products providing proper operation for alternate elevations may be available.If you require a high elevation product, did not specify when ordering, and/or thebox this unit came in does not have an alternate altitude designation sticker pleasecontact technical support.