Desa ROPANE CONSTRUCTION HEATER Owner's Manual

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Contents

Desa ROPANE CONSTRUCTION HEATER Owner's Manual Manual pdf 4 page image

105331-01C4For more information, visit www.desatech.comFor more information, visit www.desatech.comINSTALLATIONWARNING: Review and understand the warningsin theSafety Information section, pages 2 and 3. Theyare needed to safely operate this heater. Follow alllocal codes when using this heater.1. Provide propane supply system (see Propane Supply, page 3).2. Connect fuel gas fitting on hose/regulator assembly to pro-pane tank(s). Turn fuel gas fitting counterclockwise into threadson tank. Tighten firmly using a wrench.IMPORTANT: Posi-tion regulator so that hose leaving the regulator is in a hori-zontal position (see Figure 6, page 5). This places the regula-tor vent in the proper position to protect it from the weather.WARNING: Test all gas piping and connectionsfor leaks after installation or servicing. Never use anopen flame to check for a leak. Apply a mixture ofliquid soap and water to all joints. Bubbles formingshow a leak. Correct all leaks at once.THEORY OF OPERATIONThe Fuel System: The hose/regulator assembly attaches to thepropane gas supply. This provides fuel to the heater.The Air System: The motor turns the fan. The fan pushes air into andaround the combustion chamber. This air is heated and provides astream of clean, hot air.The Ignition System: The piezo ignitor lights the burner.The Automatic Control System: This system causes the heater toshut down if the flame goes out.Figure 2 - Cross Section Operational ViewASSEMBLY1. Remove screw from top of fan guard (see Figure 3). Dis-card screw.2. Insert nut clip (provided with handle) with flat side facing upthrough slot in top of shell. Align holes in nut clip with screwhole behind slot in top of shell. (see Figure 4).3. Place handle over hole and clip. Insert two screws (provided withhandle) through handle and tighten into shell. Make sure rear screwgoes through shell and into fan guard. Tighten screws firmly.Figure 3 - Removing Screw from Top of Fan GuardFigure 4 - Installing Nut ClipFigure 5 - Attaching HandleScrewNut ClipSlotShellScrewsHandleRear ofHeaterNut ClipFlat Side Facing UpAir For Combustion Air For HeatingCombustionChamberMotorCleanHeatedAir Out(Front)Hose/RegulatorAssemblyCool AirIn (Back)FanTHEORY OF OPERATIONASSEMBLYINSTALLATION