Desa VP10A. VN10TA Owner's Operation And Installation Manual

Also see for Vanguard VN600BA: Safety information and installation manual OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa VP10A. VN10TA Owner's Operation And Installation Manual Manual pdf 18 page image

www.desatech.com 110720-01G18INSPECTING BURNERCheck pilot flame pattern and burner flame pat-tern often.PILOT FLAME PATTERNFigure 24 shows a correct pilot flame pattern. Figure25 shows an incorrect pilot flame pattern. The incor-rect pilot flame is not touching the thermocouple.This will cause the thermocouple to cool. When thethermocouple cools, the heater will shut down.If pilot flame pattern is incorrect, as shown inFigure 25• turn heater off (see To Turn Off Gas to Appliance,pages 14, 16 or 17 depending on your model)• see Troubleshooting, page 20Note: The pilot flame on natural gas units willhave a slight curve, but flame should be blue andhave no yellow or orange color.BURNER FLAME PATTERNBLUE FLAME MODELSFigure 26 shows a correct burner flame pattern.Figure 27 shows an incorrect burner flame pattern.The incorrect burner flame pattern shows yellowtipping of the flame. It also shows the flame higherthan 1/2 the glass panel height.WARNING: If yellow tippingoccurs, your heater could pro-duce increased levels of carbonmonoxide. If burner flame patternshows yellow tipping, proceedwith the following instructions.NOTICE: Do not mistake orangeflames with yellow tipping. Dustor other fine particles enter theheater and burn causing briefpatches of orange flame.1/2 GLASS HEIGHTCORRECT FLAME PATTERNAT HIGH POSITIONINCORRECT FLAME PATTERNAT HIGH POSITION1/2 GLASS HEIGHT1/2 GLASS HEIGHTCORRECT FLAME PATTERNAT HIGH POSITIONINCORRECT FLAME PATTERNAT HIGH POSITION1/2 GLASS HEIGHTFigure 26 - Correct Burner Flame PatternYellowTippingFigure 27 - Incorrect Burner FlamePattern(Models VN600A and VP600A will belower due to lower input rating)If burner flame pattern is incorrect, as shown inFigure 27• turn heater off (see To Turn Off Gas to Appliance,page 14 or 17 depending on your model)• see Troubleshooting, page 20BURNER FLAME PATTERNINFRARED MODELSFigure 28 shows a correct burner flame pattern. Fig-ure 29 shows an incorrect burner flame pattern.If burner flame pattern is incorrect, as shown inFigure 29• turn heater off (see To Turn Off Gas to Appli-ance, page 16)• see Troubleshooting, page 20Figure 29 - Incorrect Burner FlamePattern (Dual Burner Shown)Figure 28 - Correct Burner Flame Pattern(Dual Burner Shown)Thermocouple Pilot BurnerPilot BurnerThermocoupleFigure 24 - Correct Pilot Flame PatternFigure 25 - Incorrect Pilot Flame Pattern