Vanguard Heating VMH10TN - Manual (Page 23)

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BURNER FLAME PATTERN
Figure 25 shows a correct burner flame pattern. Figure 26 shows an incorrect
burner flame pattern. The incorrect burner flame pattern shows the flame
consistantly higher than one inch above the log.
If burner flame pattern is incorrect, as shown in Figure 26
• turn fireplace off (see To Turn Off Gas to Appliance, page 21).
• see Troubleshooting, pages 24 through 27.
Figure 25 - Correct Burner Flame Pattern
Figure 26 - Incorrect Burner Flame Pattern
INSPECTING
BURNER
Continued
CORRECT FLAME PATTERN
AT HIGH POSITION
INCORRECT FLAME PATTERN
AT HIGH POSITION
Top of
Flame
Consistantly
About One
Inch Higher
Than Logs
Top of
Flame
About One
Inch Below
Logs