Lanair HI320 - Manual (Page 41)

FLAME ADJUSTMENT/VISUAL
Flame is overfired.
Dark yellow, to orange in color.
The flame is hitting the target end filling
the chamber with a smoky flame.
Correct immediately or chamber may
be damaged.
Decrease fuel pressure, and adjust
combustion air baffle. Air pressure may
also need to be adjusted.
Flame is underfired.
The flame is like a blow torch.
Light yellow, to white in color.
Flame is too short.
Check to see if preheater block is hot.
Check air PSI, it may be too high.
Adjust in 1 LB. Increments.
Oil pressure and the combustion air
baffle may need adjustment.
The flame is full.
Bright yellow in color.
Flame extends 3/4 into the chamber.
Flame is not impinging on the target
brick.
If you need assistance with flame adjustment,
please call Lenan’s Parts and Service
Department.
BAD FLAME
The flame is to big creating an
over fire condition.
BAD FLAME
The flame is too short.
GOOD FLAME
Flame length 3/4 of the way to
the target end.
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