Desa CFS18PRA Owner's Operation And Installation Manual

Contents

Desa CFS18PRA Owner's Operation And Installation Manual Manual pdf 17 page image

17104417OWNER’S MANUALFigure 25 - Correct Pilot Flame PatternPilot BurnerThermocoupleFigure 26 - Incorrect Pilot Flame PatternWARNING: If yellow tippingoccurs, your heater could pro-duce increased levels of carbonmonoxide. If front burner flamepattern shows yellow tipping,follow instructions at bottom ofthis page. Yellow flame on rearburner is normal. Figure 28 - Incorrect Front Burner FlamePatternFigure 27 - Correct Front Burner FlamePatternYellow Tipping At Topof Blue FlameINSPECTINGBURNERSCheck pilot flame pattern and burner flamepatterns often.PILOT FLAME PATTERNFigure 25 shows a correct pilot flame pat-tern. Figure 26 shows an incorrect pilotflame pattern. The incorrect pilot flame isnot touching the thermocouple. This willcause the thermocouple to cool. When thethermocouple cools, the heater will shutdown.If pilot flame pattern is incorrect, as shownin Figure 26• turn heater off (see To Turn Off Gas toAppliance, page 15)• see Troubleshooting, pages 19 through 21FRONT BURNER FLAMEPATTERNFigure 27 shows correct front burner flamepattern. Figure 28 shows incorrect frontburner flame pattern. The incorrect burnerflame pattern shows yellow tipping at top ofblue flame.NOTICE: Do not mistake orangeflames with yellow tipping. Dirtor other fine particles are burnedby heater, causing brief patchesof orange flame.If front burner flame pattern is incorrect, asshown in Figure 28• turn heater off (see To Turn Off Gas toAppliance, page 15)• see Troubleshooting, pages 19 through 21Pilot Burner Thermocouple