Desa Comfort Glow CGD3924P Owner's Operation And Installation Manual

Desa Comfort Glow CGD3924P Owner's Operation And Installation Manual Manual pdf 24 page image

24102991INSPECTINGBURNERSCheck pilot flame pattern and burner flame patterns often.PILOT FLAME PATTERNFigure 25 shows a correct pilot flame pattern. Figure 26 shows an incorrect pilot flamepattern. The incorrect pilot flame is not touching the thermocouple. This will cause thethermocouple to cool. When the thermocouple cools, the heater will shut down.Thermocouple Pilot BurnerFigure 25 - Correct PilotFlame PatternPilot BurnerThermocoupleFigure 26 - Incorrect PilotFlame PatternIf pilot flame pattern is incorrect, as shown in Figure 24• turn heater off (see To Turn Off Gas to Appliance, page 21 [manually-con-trolled models] or above [thermostat-controlled model])• see Troubleshooting, pages 25 through 28TO TURN OFF GAS TO APPLIANCEShutting Off Heater1. Turn control knob clockwise Clockwise to the OFF position.Shutting Off Burners Only (pilot stays lit)1. Turn control knob clockwise Clockwise to the PILOT position.THERMOSTAT CONTROL OPERATION(Thermostat-Controlled Models Only)The thermostat control knob can be set to any comfort level between Hi and Lo. Thethermostat will gradually modulate the heat output and flame height from higher tolower settings, or pilot, in order to maintain the comfort level you select. The idealcomfort setting will vary by household depending upon the amount of space to beheated, the output of the central heating system, etc.Note: Selecting the Hi setting with the control knob will cause the burner to remainfully on, without modulating down in most cases.MANUAL LIGHTING PROCEDURE1. Follow steps 1 through 5 under Lighting Instructions, page 23.2. Depress control knob and light pilot with match.3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds,release control knob. Now follow step 8, page 23.OPERATINGHEATERThermostatically-Controlled ModelContinued