Vanguard Heating VMH10TN installation manual Inspecting Burner, Pilot Flame Pattern

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INSPECTING BURNER

Check pilot flame pattern and burner flame pattern often.

PILOT FLAME PATTERN

Figure 23 shows a correct pilot flame pattern. Figure 24 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 fireplace will shut down.

Thermocouple

Pilot Burner

 

Figure 23 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

 

Figure 24 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 24

turn fireplace off (see To Turn Off Gas to Appliance, page 21).

see Troubleshooting, pages 24 through 27.

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety InformationSafety Local Codes FeaturesProduct Identification ProductInstalling Log AssemblyAssembling Fireplace Ventilation AIR for CombustionProviding Adequate Ventilation Determining FRESH-AIR Flow for Fireplace Location AIR forDetermining if You Have a Confined or Unconfined Space Cable local codes Ventilation AIRTion and ventilation air by one of the methods described Ventilation Air From Inside BuildingAIR for Combustion and Ventilation Ventilation Air From OutdoorsCheck GAS Type InstallationInstallation Items Locating FireplaceInstallation Installing BUILT-IN Fireplace InstallationMantel Clearances for Built-In Installation Gas Supply,Optional Mantel Installation Attaching Brass Trim to FireplaceAssembling Brass Trim Brass trim shipped with mantel Attaching Wood Base to Solid FloorSupply ConnectingTo GAS Follow all local codesConnecting Fireplace to GAS Supply Installation Items NeededChecking GAS Pressure Testing GAS Supply Piping SystemPressure Testing Fireplace GAS Connections ConnectionsFireplace Operating Fireplace PilotShutting Off Fireplace Shutting Off Burner Only pilot stays litInspecting Burner Pilot Flame PatternBurner Flame Pattern Correct Burner Flame PatternODS/PILOT and Burner Cleaning and Maintenance Trouble ShootingObserved Possible Problem Cause Remedy CabinetSee Cleaning TROUBLE- Shooting Ing statement at TopTechnical ServiceReplacement HintsAccessories VMH10TN Parts List Model VMH10TNLimited Warranty Warranty InformationVENT-FREE Natural GAS Compact Classic HEARTHâ Fireplace