Desa LDL3924PR Owner's Operation And Installation Manual

Also see for LDL3924NR: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

Desa LDL3924PR Owner's Operation And Installation Manual Manual pdf 18 page image

111515-01CFor more information, visit www.desatech.comFor more information, visit www.desatech.com18CLEANING AND MAINTENANCECleaning Burner Injector Holder and Pilot Air Inlet HoleLogsMain BurnerBurner TubePilot AssemblyPilot AirInlet HolePorts/SlotsBurner TubeInjector Holder (MayBe Brass or AluminumDepending on Model)Primary Air Inlet Holes(Shape of Holes MayVary by Model)Figure 32 - Injector Holder On Outlet Burner TubeFigure 33 - Pilot Inlet Air HoleClean 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 33). With the unit off, lightly blowair through the air inlet hole. You may blow through a drinking strawif compressed air is not available.LOGS• If you remove logs for cleaning, refer to Installing Logs, page 14,to properly replace logs.• Replace log(s) if broken or chipped (dime-sized or larger).MAIN BURNERPeriodically inspect all burner flame holes with the heater running.All slotted burner flame holes should be open with yellow flamepresent. All round burner flame holes should be open with a smallblue flame present. Some burner flame holes may become blockedby debris or rust, with no flame present. If so, turn off heater and letcool. Remove blockage. Blocked burner flame holes will create soot.WARNING: Turn off heater and let cool beforecleaning.CAUTION: You must keep control areas, burners,and circulating air passageways of heater clean. In-spect these areas of heater before each use. Haveheater inspected yearly by a qualified service person.Heater may need more frequent cleaning due to exces-sive lint from carpeting, pet hair, bedding material, etc.WARNING: Failure to keep the primary airopening(s) of the burner(s) clean may result in soot-ing and property damage.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 pilotassembly clean and free of dust and dirt. To clean these parts werecommend using compressed air no greater than 30 PSI. Your localcomputer store, hardware store, or home center may carry com-pressed air in a can. You can use a vacuum cleaner in the blowposition. If using compressed air in a can, please follow the direc-tions on the can. If you don't follow directions on the can, you coulddamage the pilot assembly.1. Remove control cover log and front log.2. Shut off the unit, including the pilot. Allow the unit to cool forat least thirty minutes.3. Inspect burner, pilot, and primary air inlet holes on injectorholder for dust and dirt (see Figures 32 and 33).4. Blow air through the ports/slots and holes in the burner.5. 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.6. Blow air into the primary air holes on the injector holder.7. In case any large clumps of dust have now been pushed intothe burner repeat steps 3 and 4.8. Replace front log and control cover log (see Installing Logs,page 14).CLEANING ANDMAINTENANCE