22
TWO STAGE LIGHT OIL BURNERS
RECOMMENDED NOZZLES
Delavan type B 60° (14P)
MONARCH type R 60° (14P)
Delavan type W 60° (20P- 26P)
NOTE:
The values indicated in the table are purely
indicative; for best burner performance
adjustment needs to be made in accordance
with the demands of the particular boiler type.
NOTE:
The values repoted on this table are
referred at the 12% CO
2
at the mean
sea level and with 0.1 mbar pressure
in the combustion chambre.
PRINCIPLE DIAGRAM DISK-ELECTRODES SETTING
After having installed the nozzle, check the correct position of the electrodes and disk according
to the following levels. It's adviseable to check levels after every intervention on head.
N.B. To prevent damage to the support effect nozzle assembly/disassembly tasks with
the aid of a wrench and counter-wrench.
N.B. Ignition can be improved under certain working
conditions by slightly adjusting the position of the
electrodes.
GPH
bar
kg/h
50 Hz
60 Hz
Set-point n°
12
7,00
5°
3°
2
22
9,00
45°
35°
2
10
9,50
9°
5°
5,5
22
14,00
90°
70°
5,5
10
9,20
5°
3°
0
22
13,40
45°
35°
0
10
11,20
10°
5°
2,5
22
16,10
90°
70°
2,5
10
14,75
15°
10°
5
18
20,40
90°
70°
5
10
16,70
20°
15°
7
16
21,75
90°
70°
7
10
14,75
10°
5°
3
22
21,20
90°
70°
3
10
20,00
22°
9°
7
18
26,80
90°
70°
7
10
22,40
30°
20°
7
16
27,00
90°
80°
7
BTL 14P
1,75
2,50
BTL 20P
2,50
3,00
4,00
4,50
BTL 26P
4,00
5,00
6,00
3
Servomotor
adjustment
Burner flow-rate
Pump
pressure
NOZZLE
TYPE
Burner model
ADJUSTMENT DATA
2
Disc position
adjustment
N° 0002934112
Rev. 10/02/2004
MOD.
A
B
C
D
BTL 14P
5
0,5-1 5-5,5 3,5-5
BTL 20P 4,5
0,5-1 5-5,5 3,5-4
BLT 26P
6,5
0,5-1 5-5,5 3,5-4
