Unigas LMV5 Series Manual Of Installation - Use - Maintenance page 37

three modes are provided:
Automatic: automatic operation
Burner on: manual operation
Burner off: burner in stand-by
If the BurnerOn mode is choosen,the burner does not follow the modulator and probe settings, but operates at the set load.
Caution: if BurnerOff mode is selected, the burner stays in stand-by.
Caution: in the BurnerOn mode, the safety thresholds are set by the Technical Service.
For further details, see the LMV5x annexed manuals.
SetLoad
Autom/Manual/Off
Autom/Manual/Off
Curr::
New:
37
Automatic
Burner On
PART III: OPERATION