www.desatech.com 110720-01G46. Always run heater with control knob at LOW orHIGH locked positions (VP10A) or ON position(VP5D). Never set control knob between lockedpositions. Poor combustion may result.7. Keep all air openings in the front and bottomof heater clear and free of debris. This willinsure enough air for proper combustion.8. If heater shuts off, do not relight until youprovide fresh, outside air. If heater keepsshutting off, have it serviced.9. Do not run heater• where flammable liquids or vapors are usedor stored• under dusty conditions10. Before using furniture polish, wax, carpetcleaner, or similar products, turn heater off.If heated, the vapors from these products maycreate a white powder residue within burnerbox or on adjacent walls or furniture.11. Do not use heater if any part has been underwater. Immediately call a qualified servicetechnician to inspect the room heater and toreplace any part of the control system and anygas control which has been under water.12. Turn off heater and let cool before servicing.Only a qualified service person should serviceand repair heater.13. Operating heater above elevations of 4,500feet could cause pilot outage.14. To prevent performance problems, do notuse propane/LP fuel tank of less than 100lbs. capacity.15. Provide adequate clearances around airopenings.UNPACKING1. Remove heater from carton.2. Remove all protective packaging applied toheater for shipment.3. Check heater for any shipping damage. Ifheater is damaged, promptly inform dealerwhere you bought heater.SAFETY INFORMATIONContinuedFigure 1 - Vent-Free Gas HeaterInfrared HeaterControl KnobPiezo IgnitorButtonGrillGuardFrontPanelBurnersHeaterCabinetControl KnobPiezo IgnitorButtonGlassPanelFrontPanelHeaterCabinetGrillGuardPRODUCTIDENTIFICATIONPRODUCT FEATURESSAFETY DEVICEThis heater has a pilot with an Oxygen Deple-tion Sensing (ODS) safety shutoff system. TheODS/pilot is a required feature for vent-free roomheaters. The ODS/pilot shuts off the heater if thereis not enough fresh air.PIEZO IGNITION SYSTEMThis heater has a piezo ignitor. This system re-quires no matches, batteries, or other sources tolight heater.