Desa HDVF3018N Owner's Operation And Installation Manual

Also see for HDVF3018N: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa HDVF3018N Owner's Operation And Installation Manual Manual pdf 20 page image

www.desatech.com 119421-01E201. Shut off unit, including pilot. Allow unit tocool for at least thirty minutes.2. Inspect burner, pilot and primary air inletholes on injector holder for dust and dirt(see Figure 26).3. Blow air through the ports/slots and holesin the burner.4. Check the injector holder located at theend of the burner tube again. Removeany large particles of dust, dirt, lint or pethair with a soft cloth or vacuum cleanernozzle.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.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 27). Withthe unit off, lightly blow air through the air inlethole. You may blow through a drinking strawif compressed air is not available.Figure 26 - Injector Holder On OutletBurner TubeBurnerTubePrimary AirInlet HolesInjector HolderFigure 27 - Pilot Inlet Air HoleBurnerTubePilot AssemblyPilot AirInlet HolePorts/SlotsLOGS• If you remove logs for cleaning, refer toInstalling Logs, page 15, to properly replacelogs.• Replace log(s) if broken or chipped (dime-sized or larger).MAIN BURNERPeriodically inspect all burner flame holes withthe heater running. All slotted burner flameholes should be open with yellow flame pres-ent. All round burner flame holes should beopen with a small blue flame present. Someburner flame holes may become blocked bydebris or rust, with no flame present. If so,turn off heater and let cool. Remove blockage.Blocked burner flame holes will create soot.CLEANING AND MAINTENANCEContinued