10301855For more information, visit www.desatech.comFor more information, visit www.desatech.comINSTALLATIONOPERATIONTo Start HeaterTo Stop HeaterWARNING: Do not adjust regulator below 7 psig orabove 20 psig. Heater may not run properly.4. Open propane/LP supply valve on propane/LP tank(s) slowly.Note: If not opened slowly, excess-flow check valve on pro-pane/LP tank will stop gas flow. If this happens, you may heara click inside the regulator assembly. To reset the excess flowcheck valve, close propane/LP supply valve and open againslowly.5. Adjust regulator between 7 and 20 psig (see Figure 5).Note:Higher regulator setting will allow heater to produce more heat.6. Check all connections for leaks.INSTALLATIONContinued7. Close propane/LP supply valve.Propane/LPTankSupply Valve HosePOL FittingRegulatorAdjustment Knob(pointing down)Figure 3 - Regulator With Adjustment Knob Pointing DownFigure 4 - Hose and Inlet ConnectorHoseInlet ConnectorFigure 5 - Adjustable Regulator Set At 7 psigINCREASE101520101520555101520RegulatorOPERATIONTO START HEATER1. Follow all installation, ventilation and safety information.2. Locate heater on stable and level surface. Make sure strongdrafts do not blow into front or rear of heater.3. Plug power cord of heater into a three-prong, grounded exten-sion cord. Extension cord must be at least six feet long. Exten-sion cord must be UL listed.Extension Cord Size RequirementUp to 50 feet long, use 18 AWG rated cord.51 to 100 feet long, use 16 AWG rated cord.101 to 200 feet long, use 14 AWG rated cord.4. Plug extension cord into a 120 volt/60 hertz, three-hole,grounded outlet.5. Open propane/LP supply valve on propane/LP tank(s) slowly.Note: If not opened slowly, excess-flow check valve on pro-pane/LP tank will stop gas flow. If this happens, you may hear aclick inside the regulator assembly. To reset the excess flow checkvalve, close propane/LP supply valve and open again slowly.6. Make sure regulator is set between 7 and 20 psig.Note: Higherregulator setting will allow heater to produce more heat.WARNING: Review and understand the warningsin theSafety Information section, page 2. They areneeded to safely operate this heater. Follow all localcodes when using this heater.WARNING: Do not adjust regulator below 7 psig orabove 20 psig. Heater may not run properly.7. Turn on/off switch to the ON position. Adjust thermostat todesired setting. If heater does not start, thermostat setting maybe too low. Turn thermostat knob to higher position to startheater.Note: If heater does not start, turn on/off switch to theOFF position. Wait ten seconds for safety control to reset, thentry again.TO STOP HEATER1. Tightly close propane/LP supply valve on propane tank(s).2. Wait a few seconds. Heater will burn gas left in supply hoses.3. Turn on/off switch to the OFF position.4. Unplug heater.