TCWS.54NG04.C 180208-12
The air shutter on the burner tube controls the primary combustion air. It is set to the
closed position at the factory for natural gas fuel. For LP see Pg.6. Some adjustment may
be necessary to obtain desired fl ame and to eliminate carbon deposits. Evaluate fl ame ap-
pearance after the fi replace has reached operating temperature. See Fig. #26 for proper
fl ame pattern.
Open primary air if the window glass and fi rebox have carbon accumulation and/or the
fl ames are long, dark and stringy. The shutter may also be opened to lessen the fl ame
height.
NOTE:
Proper air shutter setting is required.
The fl ame should be just orange and “lazy”. It should NEVER be set to create sooting
on internal parts and window glass.
Fig #26
10
Burner Flame Adjustment
