113855-01F4INStaLLatIONFigure 2 - Cross Section Operational ViewAir For Combustion Air For HeatingClean HeatedAir Out (Front)Fan MotorCoolAir In(Back)CombustionChamberHose/RegulatorAssemblytHeOry OF OPeratIONThe Fuel System: The hose/regulator assem-bly attaches to the propane gas supply. Thisprovides fuel to the heater.The Air System: The motor turns the fan. Thefan pushes air into and around the combus-tion chamber. This air is heated and providesa stream of clean, hot air.The Ignition System: The piezo ignitor lightsthe burner.The Automatic Control System: This systemcauses the heater to shut down if the flamegoes out.PrOPaNe SuPPLyPropane gas and propane tank(s) are to befurnished by the user.Use this heater only with a propane vaporwithdrawal supply system. See Chapter 5of the Standard for Storage and Handlingof Liquefied Petroleum Gas, ANSI/NFPA 58and/or CAN/CGA B149.2. Your local library orfire department will have this booklet.The amount of propane gas ready for usefrom propane tanks varies. Two factors decidethis amount:1. The amount of propane gas in tank(s)2. The temperature of tank(s)This heater is designed to operate with aminimum 20 b (9 kg) propane tank. You mayneed two or more tanks or one larger tank incolder weather. It is recommended you use a100 lb (45 kg) tank for longer operation. Seechart below. Less gas is vaporized at lowertemperatures. Your local propane gas dealerwill help you select the proper supply system.The minimum surrounding air temperaturerating for each heater is 0° F (-18° C).Average Temp No. Of TanksAt Tank Location 100 lb (45 kg)Above 0° F (-18° C) 1Below 0° F (-18° C) 2WARNING: Review and un-derstand the warnings in theSafety section, page 2. They areneeded to safely operate thisheater. Follow all local codeswhen using this heater.WARNING: Test all gas pipingand connections for leaks afterinstallation or servicing. Neveruse an open flame to check fora leak. Apply a mixture of liquidsoap and water to all joints.Bubbles forming show a leak.Correct all leaks at once.1. Provide propane supply system (seePropane Supply).