111515-01CFor more information, visit www.desatech.comFor more information, visit www.desatech.com2WARNING: Do not allow fans to blow directly intothe fireplace. Avoid any drafts that alter burner flamepatterns. Ceiling fans can create drafts that alterburner flame patterns. Altered burner patterns cancause sooting.Due to high temperatures, the appliance should belocated out of traffic and away from furniture anddraperies.Do not place clothing or other flammable material onor near the appliance. Never place any objects onthe heater.Heater base assembly becomes very hot when run-ning heater. Keep children and adults away from hotsurface to avoid burns or clothing ignition. Heaterwill remain hot for a time after shutdown. Allowsurface to cool before touching.Carefully supervise young children when they are inthe room with heater. When using the hand-heldremote accessory, keep selector switch in the OFFposition to prevent children from turning on burnerswith remote.You must operate this heater with a fireplace screenin place. Make sure fireplace screen is closed beforerunning heater.Keep the appliance area clear and free from combus-tible materials, gasoline, and other flammable vaporsand liquids.TABLE OF CONTENTSSAFETY INFORMATION ................................................................... 2LOCAL CODES .................................................................................. 3UNPACKING ...................................................................................... 3PRODUCT IDENTIFICATION ............................................................ 4PRODUCT FEATURES ..................................................................... 4AIR FOR COMBUSTION AND VENTILATION .................................. 4INSTALLATION .................................................................................. 7OPERATING HEATER ..................................................................... 15INSPECTING BURNERS ................................................................ 17CLEANING AND MAINTENANCE ................................................... 18SAFETY INFORMATIONDANGER: Carbon monoxide poisoning may leadto death!Carbon Monoxide Poisoning: Early signs of carbon monoxidepoisoning resemble the flu, with headaches, dizziness, or nausea.If you have these signs, the heater may not be working properly.Get fresh air at once! Have heater serviced. Some people aremore affected by carbon monoxide than others. These includepregnant women, people with heart or lung disease or anemia,those under the influence of alcohol, and those at high altitudes.Natural and Propane/LP Gas: Natural and propane/LP gases areodorless. An odor-making agent is added to the gas. The odorhelps you detect a gas leak. However, the odor added to the gas canfade. Gas may be present even though no odor exists.Make certain you read and understand all warnings. Keep this manualfor reference. It is your guide to safe and proper operation of this heater.WARNINGSIMPORTANT: Read this owner’s manual carefully andcompletely before trying to assemble, operate, or ser-vice this heater. Improper use of this heater can causeserious injury or death from burns, fire, explosion,electrical shock, and carbon monoxide poisoning.WARNING: Any change to this heater or its controlscan be dangerous.WARNING: Do not use a blower insert, heatexchanger insert, or other accessory not approvedfor use with this heater.TABLE OF CONTENTSSAFETY INFORMATIONTROUBLESHOOTING ..................................................................... 19ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST .............. 22SPECIFICATIONS ........................................................................... 24REPLACEMENT PARTS ................................................................. 24WIRING DIAGRAM .......................................................................... 24SERVICE HINTS .............................................................................. 24TECHNICAL SERVICE .................................................................... 24OWNER’S REGISTRATION FORM ................................................. 25ACCESSORIES ............................................................................... 27WARRANTY INFORMATION ............................................ Back CoverWARNING: This product contains and/or generateschemicals known to the State of California to causecancer or birth defects, or other reproductive harm.