Desa GA3700 Owner's Operation And Installation Manual

Also see for GA3555: Installation instructions

Contents

Desa GA3700 Owner's Operation And Installation Manual Manual pdf 24 page image

www.desatech.com 113109-01G24CLEANING AND MAINTENANCEWARNING: Turn off fireplaceand let cool before cleaning.CAUTION: You must keepcontrol areas, burner and cir-culating air passageways offireplace clean. Inspect theseareas of fireplace before eachuse. Have fireplace inspectedyearly by a qualified serviceperson. Fireplace may needmore frequent cleaning due toexcessive lint from carpeting,bedding material, pet hair, etc.WARNING: Failure to keepthe primary air opening(s) ofthe burner(s) clean may result insooting and property damage.BURNER INjECTOR HOLDER ANDpILOT AIR INLET HOLEThe primary air inlet holes allow the properamount of air to mix with the gas. This providesa clean burning flame. Keep these holes clearof dust, dirt, lint and pet hair. Clean these air in-let holes prior to each heating season. Blockedair holes will create soot. We recommend thatyou clean the unit every three months duringoperation and have heater inspected yearly bya qualified service person.We also recommend that you keep the burnertube and pilot assembly clean and free of dustand dirt. To clean these parts we recommendusing compressed air no greater than 30 PSI.Your local computer store, hardware store orhome center may carry compressed air in acan. If using compressed air in a can, pleasefollow the directions on the can. If you don’tfollow directions on the can, you could dam-age the pilot assembly.1. Shut off the unit, including the pilot. Allowthe unit to cool for at least thirty minutes.2. Inspect burner, pilot and primary air inletholes on injector holder for dust and dirt(see Figures 42 and 43).3. Blow air through the ports/slots and holesin the burner.Figure 42 - Injector Holder On OutletBurner TubeFigure 43 - Pilot Inlet Air HoleBurnerTubePilotAssemblyPilot AirInlet HolePorts/SlotsBurnerTubeInjector Holder(May Be Brassor AluminumDepending onModel)Primary Air Inlet Holes (Shapeof Holes May Vary by Model)4. Check the injector holder located at the endof the burner tube again. Remove any largeparticles of dust, dirt, lint or pet hair with asoft cloth or vacuum cleaner nozzle.5. Blow air into the primary air holes on theinjector holder.6. In case any large clumps of dust have nowbeen pushed into the burner repeat steps3 and 4 above.Clean the pilot assembly also. A yellow tip onthe pilot flame indicates dust and dirt in thepilot assembly. There is a small pilot air inlethole about 2" from where the pilot flame comesout of the pilot assembly (see Figure 43). Withthe unit off, lightly blow air through the air inlethole. You may blow through a drinking strawif compressed air is not available.LOGS• If you remove logs for cleaning, refer toInstalling Logs, page 17, to properly replacelogs.• Replace log(s) if broken or chipped (dime-sized or larger).