23
AIR REGULATION PRINCIPLE DIAGRAM
FOR GAS BURNER
N° 8769/2/GB
Rev. 16/11/93
NOT CORRECT ADJUSTMENT
Disk
Combustion head
CORRECT ADJUSTMENT
Adjustment screw of the disk-head
position (tighten in order to open
the air passage between the disk
and the head, unscrew to close)
Air passage
big opening
Air combustion in-let
gate considerably opened
Combustion head
Disk
Adjustment screw of the disk-head
position (tighten in order to open the
air passage between the disk and the
head, unscrew to close)
Air passage fairly
closed.
ATTENTION:
avoid the total closing
Air combustion in-let
gate very closed