Vanguard Heating VN6B - Manual (Page 18)

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TO SELECT HEATING LEVEL
1. Slightly press in control knob and turn counterclockwise C-clockwise to the
LOW or HIGH positions (VN12A) or ON position (VN6B).
IMPORTANT: Release downward pressure while turning control knob.
Control knob will lock at the desired position.
Figure 17 - Burner Patterns
LOW
OFF
PILOT
HIGH
OFF
PILOT
OFF
Control VN12A
Knob Burners
ON
OFF
PILOT
OFF
Control VN6B
Knob Burner
WARNING ICON G 001
WARNING
When running heater, set control knob at LOW or HIGH
locked positions (VN12A) or ON position (VN6B). Never set
control knob between locked positions. Poor combustion and
higher levels of carbon monoxide may result.
OPERATING
HEATER
Continued
WARNING ICON G 001
CAUTION
Do not try to adjust heating levels by using the manual
shutoff valve.