www.desatech.com116239-01F 3This fireplace must be installed by a qualified (cer-tified or licensed) service person. It has a sealedgas combustion chamber that uses a coaxial pipe(pipe within a pipe and having the same center)venting system. It brings in fresh air for combus-tion through the outer pipe and combustion gasesare exhausted through the inner pipe. If the glassdoor assembly and venting pipe are not properlyseated, connected and sealed, carbon monoxideleakage (spillage) can occur.Carbon Monoxide Poisoning: Early signs ofcarbon monoxide poisoning resemble the flu, withheadaches, dizziness or nausea. If you have thesesigns, the fireplace may not be working properly.Get fresh air at once! Have fireplace serviced.Some people are more affected by carbon monoxidethan others. These include pregnant women, peoplewith heart or lung disease or anemia, those under theinfluence of alcohol and those at high altitudes.Natural and Propane/LP Gas: Natural and pro-pane/LP gas are odorless. An odor-making agentis added to the gas. The odor helps you detect a gasleak. 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 this manual for reference. It is your guide tosafe and proper operation of this fireplace.WARNING: Any change tothis fireplace or it’s controls canbe dangerous. Do not modifythis fireplace under any circum-stances. Any parts removed forservicing must be replaced priorto operating fireplace.WARNING: Do not use a blow-er insert, heat exchanger insertor other accessory not approvedfor use with this fireplace.WARNING: This applianceis only for use with the type ofgas indicated on the rating plate.This appliance is not convertiblefor use with other gases unlessa certified kit is used.SAFETy INFORMATIONContinued WARNING: Do not allow fansto blow directly into the fireplace.Avoid any drafts that alter burnerflame patterns.Due to high temperatures, theappliance should be located outof traffic and away from furnitureand draperies.Do not place clothing or otherflammable material on or nearthe appliance. Never place anyobjects on the appliance.Do not use this fireplace to cookfood or burn paper or other flam-mable material.This fireplace reaches high tem-peratures. Keep children andadults away from hot surface toavoid burns or clothing ignition.Fireplace will remain hot for atime after shutdown. Allow sur-face to cool before touching.Carefully supervise young chil-dren when they are in the roomwith fireplace.Keep the area around yourfireplace clear of combustiblematerials, gasoline and otherflammable vapor or liquids. Donot run fireplace where theseare used or stored.1. For propane/LP fireplace, do not place pro-pane/LP supply tank(s) inside any structure.Locate propane/LP supply tank(s) outdoors.To prevent performance problems, do notuse propane/LP fuel tank of less than 100 lb.capacity.