www.desatech.com 113183-01A41. This appliance is only for use with the typeof gas indicated on the rating plate. This ap-pliance is not convertible for use with othergases.2. Do not place propane/LP supply tank(s) in-side any structure. Locate propane/LP supplytank(s) outdoors.3. If you smell gas• shut off gas supply• do not try to light any appliance• do not touch any electrical switch; do not useany phone in your building• immediately call your gas supplier from aneighborʼs phone. Follow the gas supplierʼsinstructions• if you cannot reach your gas supplier, callthe fire department4. This heater shall not be installed in a bedroomor bathroom, unless installed as a vented ap-pliance.5. Before installing in a solid fuel burningfireplace, the chimney flue and firebox mustbe cleaned of soot, creosote, ashes and loosepaint by a qualified chimney cleaner. Creosotewill ignite if highly heated. A dirty chimneyflue may create and distribute soot withinthe house. Inspect chimney flue and fireboxfor damage. If damaged, repair flue beforeoperating heater.6. Do not burn solid-fuel in a masonry or UL127factory-built fireplace in which a vent-freeroom heater is installed.7. If fireplace has glass doors, never operate thisheater with glass doors closed. If you operateheater with doors closed, heat buildup insidefireplace will cause glass to burst. Make surethere are no obstructions across openings offireplace.8. To prevent the creation of soot, follow theinstructions in Cleaning and Maintenance,page 19.9. 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 and furniture.SAFETY INFORMATIONContinued10. This heater needs fresh, outside air ventilation torun properly. This heater has an Oxygen Deple-tion Sensing (ODS) safety shutoff system. TheODS shuts down the heater if enough fresh airis not available. See Air for Combustion andVentilation, page 5. If heater keeps shutting off,see Troubleshooting, page 20.11. Do not run heater• where flammable liquids or vapors are usedor stored• under dusty conditions12. Do not use this heater to cook food or burnpaper or any other type of solid fuels.13. Do not use heater if any part has been exposedto or under water. Immediately call a qualifiedservice technician to inspect the room heaterand to replace any part of the control system andany gas control which has been under water.14. Do not operate heater if any log is broken. Donot operate heater if a log is chipped (dime-sized or larger).15. Turn heater off and let cool before servicing,installing, or repairing.Only a qualified ser-vice person should install, service, or repairheater.16. Operating heater above elevations of 4,500feet may cause pilot outage.17. To prevent performance problems with pro-pane/LP models, do not use propane/LP fueltank of less than 100 lb. capacity.18. Provide adequate clearances around airopenings.LOCAL CODESInstall and use heater with care. Follow all localcodes. In the absence of local codes, use the lat-est edition of The National Fuel Gas Code ANSIZ223.1/NFPA 54*.*Available from:American National Standards Institute, Inc.1430 BroadwayNew York, NY 10018National Fire Protection Association, Inc.Batterymarch ParkQuincy, MA 02269Note: Where listed vented decorative logs arerequired, thermostat operation is not permitted.