ADJUSTMENTS
COMBUSTION HEAD ADJUSTMENT EM 9/2-E EM 16/2-E
Adjust the combustion head by acting on the screw A according to the indications
shown on the index.
COMBUSTION HEAD ADJUSTMENT EM 26/2-E
- Loosen the knobs B.
- Acting on these modifies the position of the draught tube with respect to the
combustion head. Lining knobs up with values 1, 2 or 3 gives minimum, medium
and maximum burner delivery respectively.
- Once adjustment has been completed tighten the knobs B.
COMBUSTION AIR ADJUSTMENT EM 9/2-E
The air shutter is operated by a gearmotor. To adjust the first stage/max. aperture positions act on the cams by turning them
anticlockwise to increase the air shutter opening and clockwise to decrease the air shutter opening.
Air shutter open
Air shutter closed
Servocontrol type CONECTRON LKS 120
N.B.: Ensure that adjustment index is positioned as indicated in the figure.
Blue
Orange
Black
Manual control
for second stage starting
- 40
Blue cam
First stage air adjustment
Orange cam
Second stage air adjustment
Black cam
Gives the VE2 of the second stage
the go-ahead to open (must be
positioned in the middle between
the blue and orange cams).
NOTE: Air delivery of
rst stage should corre-
spond to at least 50% of total air delivery.
-
Reference index