Desa RLP155AT Owner's Manual

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Contents

Desa RLP155AT Owner's Manual Manual pdf 4 page image

www.desatech.com 113855-01A4INSTALLATIONWARNING: Review and under-stand the warnings in the SafetyInformation section, page 2. Theyare needed 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 (see PropaneSupply).2. Connect POL fitting on hose/regulator as-sembly to propane tank(s). Turn POL fittingcounterclockwise into threads on tank. Tightenfirmly using wrench. IMPORTANT: Positionregulator so that hose leaving the regulator isin a horizontal position (see Figure 3, page 5).This places the regulator vent in the properposition to protect it from the weather.Figure 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 assemblyattaches to the propane gas supply. This providesfuel to the heater.The Air System: The motor turns the fan. Thefan pushes air into and around the combustionchamber. This air is heated and provides a streamof clean, hot air.The Ignition System: The piezo ignitor lightsthe burner.The Automatic Control System: This system causesthe heater to shut down if the flame goes out.PROPANE SUPPLYPropane gas and propane tank(s) are to be fur-nished by the user.Use this heater only with a propane vaporwithdrawal supply system. See Chapter 5 of theStandard for Storage and Handling of LiquefiedPetroleum Gas, ANSI/NFPA 58 and/or CAN/CGAB149.2. Your local library or fire department willhave this booklet.The amount of propane gas ready for use frompropane tanks varies. Two factors decide thisamount:1. The amount of propane gas in tank(s)2. The temperature of tank(s)This heater is designed to operate with a minimum20-pound (9 kg) propane tank. You may need twoor more tanks or one larger tank in colder weather.It is recommended you use a 100-pound (45 kg)tank for longer operation. See chart below. Lessgas is vaporized at lower temperatures. Your localpropane gas dealer will help you select the propersupply system. The minimum surrounding air tem-perature rating for each heater is -0°F (-18°C).Average Temp °F (°C) No. Of TanksAt Tank Location 100-pound (45 kg)0°(-18°) to 40°(4°) 1Below 0°(-18°) 2