111826-01For more information, visit www.desatech.com2TABLE OF CONTENTSSAFETY INFORMATION..............................................................2PRODUCT IDENTIFICATION.......................................................3OPTIONAL REMOTE CONTROL ACCESSORIES......................4LOCAL CODES ............................................................................4UNPACKING.................................................................................4PRODUCT FEATURES ................................................................4AIR FOR COMBUSTION AND VENTILATION .............................4INSTALLATION.............................................................................7OPERATING HEATER................................................................14INSPECTING BURNERS ...........................................................17CLEANING AND MAINTENANCE .............................................18SAFETY INFORMATIONDANGER: Carbon monoxide poisoning may leadto death!Carbon Monoxide Poisoning: Early signs of carbon monoxidepoi son ing re sem ble the flu, with head aches, dizziness, or nausea.If you have these signs, the heater may not be work ing properly.Get fresh air at once! Have heater serviced. Some people are moreaffect ed by carbon monoxide than others. These include pregnantwomen, peo ple with heart or lung disease or anemia, those underthe in fl u ence of alcohol, and those at high altitudes.Natural and Propane/LP Gas: Natural and propane/LP gases areodor less. An odor-making agent is added to the gas. The odor helpsyou detect a gas leak. However, the odor added to the gas can fade.Gas may be present even though no odor exists.Make certain you read and understand all warnings. Keep thismanual for reference. It is your guide to safe and proper operationof 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, elec-trical shock, and carbon monoxide poisoning.WARNING: Any change to this heater or its controlscan be dangerous.WARNING: Do not use a blower insert, heat ex-changer insert, or other accessory not ap proved foruse with this heater.WARNING: Do not allow fans to blow directlyinto the fireplace. Avoid any drafts that alter burnerfl ame patterns. Ceiling fans can create drafts thatalter burner flame patterns. Altered burner patternscan cause sooting.Due to high temperatures, the appliance should belocated out of traffic and away from furni ture anddrap er ies.Do not place clothing or other flammable materialon or near the appliance. Never place any objectson the heater.Heater base assembly becomes very hot when run-ning heater. Keep chil dren and adults away from hotsurface to avoid burns or clothing ignition. Heater willremain hot for a time after shutdown. Allow surfaceto cool before touching.Carefully supervise young chil dren when they arein the room with heater. When using the hand-heldremote accessory (Remote-Ready Models Only), keepselector switch in the OFF position to prevent childrenfrom turning on burners with remote.You must operate this heater with a fire place screenin place. Make sure fire place screen is closed beforerun ning heater.Keep the appliance area clear and free from com-bustible materials, gasoline, and other fl ammablevapors and liquids.TABLE OF CONTENTSSAFETY INFORMATIONTROUBLESHOOTING................................................................19SPECIFICATIONS ......................................................................22WIRING DIAGRAM ...................................................................23SERVICE HINTS ........................................................................23TECHNICAL SERVICE...............................................................23REPLACEMENT PARTS ............................................................23ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST .........25ACCESSORIES..........................................................................27WARRANTY INFORMATION ...................................... Back Cover