Desa MP10T Safety Information And Installation Manual

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Desa MP10T Safety Information And Installation Manual Manual pdf 15 page image

www.desatech.com123995-01C 15OPERATIONContinuedMANUAL CONTROL INFRAREDMODELS ONLYTO SELECTHEATING LEVELWARNING: When runningheater, set control knob at LOWor HIGH locked positions fordouble burner heater or ON po-sition for single burner heater.Never set control knob betweenlocked positions. Poor combus-tion and higher levels of carbonmonoxide may result.CAUTION: Do not try to ad-just heating levels by using theequipment shutoff valve.Control DoubleKnobs BurnersONOFFPILOTIGNOFFControl SingleKnob BurnerFigure 20 - Burner PatternsINSPECTING BURNERThermocouplePilot BurnerPilot BurnerThermocoupleFigure 21 - Correct Pilot Flame PatternFigure 22 - Incorrect Pilot Flame PatternSlightly press in control knob and turn counter-clockwise to the LOW or HIGH positionsfor double burner heater or ON position forsingle burner heater.IMPORTANT: Release downward pressurewhile turning control knob. Control knob willlock at the desired position.Check pilot flame pattern and burner flamepattern often.PILOT FLAME PATTERNFigure 21 shows a correct pilot flame pattern.Figure 22 shows an incorrect pilot flame pat-tern. The incorrect pilot flame is not touchingthe thermocouple. This will cause the thermo-couple to cool. When the thermocouple cools,the heater will shut down.If pilot flame pattern is incorrect, as shownin Figure 22• turn heater off (see To Turn Off Gas to Ap-pliance, page 14)• see Cleaning, page 17Note: The pilot flame on natural gas units willhave a slight curve, but flame should be blueand have no yellow or orange color.