Desa Comfort Glow CCL3924NR Owner's Operation And Installation Manual

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Desa Comfort Glow CCL3924NR Owner's Operation And Installation Manual Manual pdf 18 page image

18107553UNVENTED NATURAL GAS LOG HEATERFor more information, visit www.desatech.comCLEANING ANDMAINTENANCEWARNING: Turn off heaterand let cool before cleaning.CAUTION: You must keepcontrol areas, burner, and circu-lating air passageways of heaterclean. Inspect these areas ofheater before each use. Haveheater inspected yearly by a quali-fied service person. Heater mayneed more frequent cleaning dueto excessive lint from carpeting,bedding material, pet hair, etc.LOGS• If you remove logs for cleaning, refer toInstalling Logs, pages 13 through 15, toproperly replace logs.• Replace log(s) if broken or chipped(dime-sized or larger).MAIN BURNERPeriodically inspect all burner flame holeswith the heater running. All slotted burnerflame holes should be open with yellowflame present. All round burner flame holesshould be open with a small blue flamepresent. Some burner flame holes may be-come blocked by debris or rust, with noflame present. If so, turn off heater and letcool. Either remove blockage or replaceburner. Blocked burner flame holes willcreate soot.TECHNICALSERVICEYou may have further questions about in-stallation, operation, or troubleshooting.If so, contact DESA International’s Techni-cal Service Department at 1-800-DESA LOG(1-800-337-2564).You can also visit DESA International’stechnical service web site atwww.desatech.com.For information or questions concerninghand-held remote or receiver, contact Track-ing Technology at 1-800-301-0440 orwww.trackingtech.com.When Gas Pressure Is Too Low• pilot will not stay lit• burners will have delayed ignition• heater will not produce specified heatWhen Gas Quality Is Bad• pilot will not stay lit• burners will produce flames and soot• heater will backfire when litYou may feel your gas pressure is too low orgas quality is bad. If so, contact your localnatural gas supplier.SERVICE HINTSCLEANING BURNERINJECTOR HOLDER ANDPILOT AIR INLET HOLEThe primary air inlet holes allow the properamount of air to mix with the gas. Thisprovides a clean burning flame. Keep theseholes clear of dust, dirt, lint, and pet hair.Clean these air inlet holes prior to eachheating season. Blocked air holes will cre-ate soot. We recommend that you clean theunit every three months during operationand have heater inspected yearly by a quali-fied service person.We also recommend that you keep the burnertube and pilot assembly clean and free ofdust and dirt. To clean these parts we recom-mend using compressed air no greater than30 PSI. Your local computer store, hard-ware store, or home center may carry com-pressed air in a can. You can use a vacuumcleaner in the blow position. If using com-pressed air in a can, please follow the direc-tions on the can. If you don't follow direc-tions on the can, you could damage the pilotassembly.1. Shut off the unit, including the pilot.Allow the unit to cool for at least thirtyminutes.2. Inspect burner, pilot, and primary airinlet holes on injector holder for dustand dirt (see Figure 39).3. Blow air through the ports/slots andholes in the burner.Figure 39 - Injector Holder On OutletBurner Tube4. Check the injector holder located at theend of the burner tube again. Removeany large particles of dust, dirt, lint, orpet hair with a soft cloth or vacuumcleaner nozzle.5. Blow air into the primary air holes onthe injector holder.6. In case any large clumps of dust havenow been pushed into the burner repeatsteps 3 and 4.Clean the pilot assembly also. A yellow tipon the pilot flame indicates dust and dirt inthe pilot assembly. There is a small pilot airinlet hole about two inches from where thepilot flame comes out of the pilot assembly(see Figure 40). With the unit off, lightlyblow air through the air inlet hole. You mayblow through a drinking straw if compressedair is not available.BurnerTubeInjector HolderPrimary AirInlet HolesFigure 40 - Pilot Inlet Air HoleBurnerTubePilotAssemblyPilot AirInletHolePorts/Slots