Desa CGP10TL installation manual Inspecting Burner, Pilot Flame Pattern

Page 19

INSPECTING BURNER

Check pilot flame pattern and burner flame pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pattern. Figure 19 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.

Pilot Burner

Thermocouple

GOOD PILOT/LP

GRH/OV 007

Figure 18 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

 

BAD PILOT/LP

GRH/OV 008

Figure 19 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 19

turn heater off (see To Turn Off Gas to Appliance, above)

see Troubleshooting, pages 21 through 24

Continued

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Piezo Ignition System Local Codes Unpacking Product FeaturesSafety Device Product IdentificationConfined and Unconfined Spaces AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Ventilation Air From OutdoorsCheck GAS Type Installation ItemsLocating Heater Thermostat Sensing Bulb Installing Heater to WallMarking Screw Locations Folding Anchor Installing Two Mounting ScrewsPlacing Heater On Mounting Screws External Regulator With Vent Pointing Down Connecting to GAS SupplyChecking GAS Connections Pressure Testing GAS Supply Piping SystemManual Shutoff Valve Pressure Testing Heater GAS ConnectionsOperating Heater For Your Safety Read Before LightingPilot Shutting Off Burner Only pilot stays lit Shutting Off HeaterPilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternAir Passageways Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner Orifice CabinetTROUBLE- Shooting See CleaningCleaning and Mainte Top Ing statement atService Hints Technical ServiceBreakdown CGP10T CGP10TL Parts ListValve GA5010 Replacement Parts Service Publications AccessoryParts Under Warranty Parts Not Under WarrantyParts Central 103575 103575 Keep this Warranty Warranty Information