Adjusting The Combustion Head - Finterm Joannes G 50/2 Manual De Instrucciones De Manejo Y Mantenimiento

In the burners the air shutter is operated by an electric servo control. The positions of the shutter
are determined by the cams with reference to the graduated scales. The red and black cams are
frictioned and self-locking and may be set by the provided key. The blue and orange cams may be
set by the provided screw.
By pushing B button the shutter trailing system is disconnected and the shutter may be manually
moved.
B

ADJUSTING THE COMBUSTION HEAD

1) Loosen the knobs A.
2) By operating on them the position of the nozzle varies as to the combustion head.
Position the knobs in correspondence of the wished values included between 1 and 3, corre-
sponding respectively to the minimum and maximum flow rate of the burner.
3) Tighten the knobs at the end of the adjustment.
SETTING THE AIR INTAKE
FIG. 9
10
Cams
I Max. air opening (red)
II Air closing, during stop (blue)
III Air opening during start or 1st
stage (orange)
IV Air opening during 2nd stage,
always to be set 15-20° more as
to the cam III (black).
GB
FIG. 10