Desa LMFP33NR Owner's Operation And Installation Manual

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Desa LMFP33NR Owner's Operation And Installation Manual Manual pdf 21 page image

111604-01AFor more information, visit www.desatech.comFor more information, visit www.desatech.com2121CLEANING ANDMAINTENANCEWARNING: Turn off fireplace and let cool beforecleaning.CAUTION: You must keep control areas, burner,and circulating air passageways of fireplace clean.Inspect these areas of fireplace before each use.Have fireplace inspected yearly by a qualified serviceperson. Fireplace may need more frequent cleaningdue to excessive lint from carpeting, bedding mate-rial, pet hair, etc.CLEANING BURNER INJECTOR HOLDERAND PILOT AIR INLET HOLEThe primary air inlet holes allow the proper amount of air to mix withthe gas. This provides a clean burning flame. Keep these holes clearof dust, dirt, lint, and pet hair. Clean these air inlet holes prior to eachheating season. Blocked air holes will create soot. We recommendthat you clean the unit every three months during operation and haveheater inspected yearly by a qualified service person.We also recommend that you keep the burner tube and pilot assemblyclean and free of dust and dirt. To clean these parts we recommend usingcompressed air no greater than 30 PSI. Your local computer store,hardware store, or home center may carry compressed air in a can. Youcan use a vacuum cleaner in the blow position. If using compressed airin a can, please follow the directions on the can. If you don't followdirections on the can, you could damage the pilot assembly.1. Shut off the unit, including the pilot. Allow the unit to cool forat least thirty minutes.2. Inspect burner, pilot, and primary air inlet holes on injectorholder for dust and dirt (see Figures 42 and 43).3. Blow air through the ports/slots and holes in the burner.4. Check the injector holder located at the end of the burner tubeagain. Remove any large particles of dust, dirt, lint, or pet hairwith a soft cloth or vacuum cleaner nozzle.5. Blow air into the primary air holes on the injector holder.6. In case any large clumps of dust have now been pushed intothe burner repeat steps 3 and 4.Clean the pilot assembly also. A yellow tip on the pilot flameindicates dust and dirt in the pilot assembly. There is a small pilotair inlet hole about two inches from where the pilot flame comes outof the pilot assembly (see Figure 43). With the unit off, lightly blowair through the air inlet hole. You may blow through a drinking strawif compressed air is not available.WARNING: Failure to keep the primary airopening(s) of the burner(s) clean may result in soot-ing and property damage.CLEANING AND MAINTENANCECleaning Burner Injector Holder and Pilot Air Inlet HoleLogsFigure 42 - Injector Holder On Outlet Burner TubeBurnerTubeInjector Holder(May Be Brassor AluminumDepending onModel)Primary Air Inlet Holes(Shape of Holes MayVary by Model)LOGS• If you remove logs for cleaning, refer to Installing Logs, page16, to properly replace logs.• Replace log(s) if broken or chipped (dime-sized or larger).Figure 43 - Pilot Inlet Air HoleBurnerTubePilotAssemblyPilot AirInlet HolePorts/Slots