S.p.A.
9
SUN
POSITION OF ELECTRODES - BAFFLE (Fig. 9)
After having mounted the injector, check
that the electrodes and baffle are correctly
positioned according to the above listed
measurements.
Always check the measurements
whenever operations are carried out on
the head.
3
1
L
45.0
°
6.5
3.5
Fig. 9
kW
23,3
34,9
46,5
kcal/h
20.000
30.000
40.000
Burner
flow rate
Kg/h
2,176
3,25
4,35
US
Gall/h
0,6
0,85
1,1
1,0
Angle
60
°
60
°
60
°
60
°
Code
3560154/0
3560134/0
3560128/0
3560127/0
Pump
pressure
Bar
12
12
12
12
Air
regulation
Tacca
5
10
15
15
kcal/h
22.200
33.200
44.400
kW
25,8
38,7
51,6
Tacca
6
10
15
18
L
18
22
27
31
*
*
*
*
*
*
*
Delivered heat
output
Head
adjustment
MODEL
BOILER
GN1.02
GN1.03
GN1.04
Heat rate
Injector
COMBUSTION HEAD AND AIR
DAMPER ADJUSTMENT (Fig. 8)
The combustion head is adjusted accord-
ing to burner flow rate. To adjust, rotate
the adjustment screw (B) clockwise or
anticlockwise until the notch on the rod
“A” coincides with the indicator.
This modifies the position of the deflec-
tor in relation to the draught tube and con-
sequently the passage of air.
The air flow rate is adjusted via screw “C”.
When the burner shuts down, the air
damper closes automatically.
EXAMPLE OF COMBUSTION REGU-
LATION
The injector, pump pressure, combustion
head adjustment and air flow rate regula-
tion must be established according to the
flow rate required by the boiler, as indi-
cated in the following chart check com-
bustion.
Fig. 8
C
A
B
* Regulations for without preheater burner version
