2330
6
GB
4.
WORKING
4.1
COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment and te-
sting must be carried out observing the instruction manual of the boiler, including verification of the CO and CO
2
concentration in the flue gases, their temperatures and the average temperature of the water in the boiler.
To suit the required appliance output, choose the proper nozzle and adjust the pump pressure, the setting of
the combustion head, and the air damper opening in accordance with the following schedule.
The values shown in the table are measured on a CEN boiler (as per EN 267).
They refer to 12.5% CO2 at sea level and with light oil and room temperature of 20 °C.
4.2
RECOMMENDED
NOZZLES:
Monarch type R ;
Delavan type W - E ;
Steinen type Q ;
Danfoss type S
;
Satronic
type S.
MAINTENANCE POSITION
THE ACCESSIBILITY TO THE NOZZLE, THE
DIFFUSER DISC AND THE ELECTRODES IS
MADE EASY IN 2 WAYS:
Fig. 11
➤
Remove the burner out of the boiler, after loosing
the fixing nut to the flange.
➤
Hook the burner to the flange (1), by removing
t h e bl a s t t u b e ( 2 ) a f t e r l o o s i n g t h e fi x i n g
screws (3).
➤
Remove the small cables (4) from the electrodes
and the diffuser disc-holder assembly (5) from
the nozzle-holder assembly after loosing its
fixing screw (3, fig. 13, page 7).
➤
Screw the nozzle (6) correctly and tighten it
as shown in the figure.
Nozzle
Pump pressure
Burner output
Comb. head
adjustment
Air damper adjustment
bar
kg/h ± 4%
1st stage
2nd stage
GPH
Angle
1st stage
2nd stage
1st stage
2nd stage
Set-point
Set-point
Set-point
1.00
60°
9
14
3.5
4.3
0
0.2
1.5
1.10
60°
9
14
3.8
4.8
1
0.4
2.1
1.25
60°
9
14
4.3
5.4
2
0.6
2.6
1.50
60°
9
14
5.2
6.5
3
0.8
3.4
1.75
60°
9
14
6.1
7.6
4
1.2
4.8
2.00
60°
9
14
7.0
8.7
5
1.4
5.4
2.25
60°
9
14
7.8
9.8
6
1.6
6.0
A
Fig. 11
2
5
4
3
6
1
S7480
A
