NOZZLE
Burner model
TYPE
GPH
1,75
BTL 14P
2,50
2,50
3,00
BTL 20P
4,00
4,50
4,00
BTL 26P
5,00
6,00
NOTE:
The values repoted on this table are
referred at the 12% CO
at the mean
2
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.
Pump pressure
Burner flow-rate
bar
kg/h
12
7,00
22
9,00
10
9,50
22
14,00
10
9,20
22
13,40
10
11,20
22
16,10
10
14,75
18
20,40
10
16,70
16
21,75
10
14,75
22
21,20
10
20,00
18
26,80
10
22,40
16
27,00
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.
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ADJUSTMENT DATA
3 Servomotor adjustment
50 Hz
60 Hz
5°
3°
45°
35°
9°
5°
90°
70°
5°
3°
45°
35°
10°
5°
90°
70°
15°
10°
90°
70°
20°
15°
90°
70°
10°
5°
90°
70°
22°
9°
90°
70°
30°
20°
90°
80°
RECOMMENDED NOZZLES
Delavan type B 60° (14P)
MONARCH type R 60° (14P)
Delavan type W 60° (20P- 26P)
MOD.
BTL 14P
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
N.B. Ignition can be improved under certain
working conditions by slightly adjusting
the position of the electrodes.
2 Disc position
adjustment
Set-point n°
2
2
5,5
5,5
0
0
2,5
2,5
5
5
7
7
3
3
7
7
7
7
A
B
C
D
5
0,5-1 5-5,5 3,5-5
E
N
G
L
I
S
H