OPERATION WITH DIFFERENT TYPES OF GAS
CONVERSION FROM NATURAL GAS TO LIQUID GAS
Replace the burner jets, insert the diaphragm as illustrated in the diagram included with the relevant kit.
Shift the jumper JP1 on the modulating board from the NATURAL GAS position to the B-P position.
Then adjust properly as described in the "ADJUSTMENTS" chapter on page 38.
For information on jets diameter and working gas pressure see the table below.
Jets pressure mbar
Gas type
NATURALE GAS
(G20-20mbar)
LIQUID GAS B
(G30-28/30mbar)
LIQUID GAS P
(G31-37mbar)
COMPONENTS FOR OPERATION ON LIQUID GAS
Gas flow-rate
VELA X N 24
VELA X N 24
min.
max.
1,8
11,3
4,6
25,4
6
33
Burner jets
VELA X N 24
m
/h
3
Ø mm.
2,7
1,25
0,78
0,77
1
0,77
NOx
Gas diaphragm H
L.C.V.
class
kcal/h
8.127
2
29.000
2
22.000
2
Gas valve
Gas diaphragm
H
42
VELA X N 24
Ø
-
5,2
5,2
Gasket
Gasket