Vanguard Heating VMH26TPB 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 24 shows a correct pilot flame pattern. Figure 25 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 24 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

 

Figure 25 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 25

turn fireplace off (see To Turn Off Gas to Appliance, page 22).

see Troubleshooting, pages 25 through 28.

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Thermostatic Heat Control Local Codes Product Features UnpackingSafety Pilot Piezo Ignition SystemInstalling Log AssemblyConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Fireplace LocationVentilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Shown with Optional Mantel Ventilation Air From OutdoorsLocating Fireplace InstallationInstallation Items Check GAS TypeCeiling BUILT-IN Fireplace Installation InstallingSide Firebox Mantel Shelf Mantel Clearances for Built-In InstallationAttaching Brass Trim to Fireplace Optional Mantel InstallationAttaching Wood Base to Solid Floor Assembling Brass Trim Brass trim shipped with mantelExternal Regulator with Vent Pointing Down Connecting to GAS SupplyInstallation Items Needed Connecting Fireplace to GAS SupplyPressure Testing GAS Supply Piping System Connecting to GAS Supply Checking GAS ConnectionsManual Shutoff Valve Pressure Testing Fireplace GAS ConnectionsOperating Fireplace Pilot Shutting Off Burner Only pilot stays lit Shutting Off FireplacePilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternCabinet Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner TROUBLE- Shooting See CleaningObserved Possible Remedy Problem Cause Connections, Ing statement at topParts Not Under Warranty Technical ServiceService Hints Parts Under WarrantyVMH26TP Model VMH26TP Parts ListUnfinished GM921U Finished GM920F AccessoriesValve GA5010 GA3400T102886 102886 102886 Keep this Warranty Warranty Information