29
The boilers leave the factory calibrated and ready to operate with NATURAL GAS and LIQUID GAS.
For proper calibration, see the table below:
BURNER PRESSURE CURVES - OUTPUT
GAS - NOZZLE CALIBRATION
Slow ignition adjustment
3 mbars NATURAL GAS
7 mbars LIQUID GAS
VELA X N 24 MB
10
kW
mbar
2,5
11
5,5
23,7
25
15
20
10
5
GN 11
0
15
20
25
B 23,7
kPa
30
35
0
30
35
1
0,5
0
1,5
2
2,5
3
3,5
1
31,4
P 31,4
0,1
1009DIS1385
7,2
Jets pressure mbar
Gas type
NATURAL GAS
(G20-20mbar)
LIQUID GAS B
(G30-28/30mbar)
LIQUID GAS P
(G31-37mbar)
Burner jets
L.C.V.
kcal/m
3
8.550
29.330
22.360
Delivery
VELA X N 24
max.
11
23,7
31,4
2,5
5,5
7,2
min.
m
3
/h
2,6
0,76
1
VELA X N 24
Ø mm.
1,25
0,77
0,77
VELA X N 24