42
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 39.
For information on jets diameter and working gas pressure see the table below.
COMPONENTS FOR OPERATION ON LIQUID GAS
H
Gas valve
Gasket
Gas diaphragm
Gasket
Jets pressure mbar
Gas type
NATURAL GAS
(G20-20mbar)
LIQUID GAS B
(G30-28/30mbar)
LIQUIDO GAS P
(G31-37mbar)
L.C.V.
kcal/h
8.550
29.330
22.360
Delivery
max.
2,4
5,7
7,6
min.
m
3
/h
13
27,5
35
Ø mm.
2
2
2
NOx
class
1,25
0,77
0,77
3,1
0,89
1,17
Burner jets
max.
1,8
5
5,2
min.
11,5
25,4
27,7
28 MBS
32 MBS
m
3
/h
3,47
1,01
1,32
28 MBS 32 MBS 28 MBS 32 MBS
Ø mm.
1,35
0,80
0,80
Gas diaphragm H
Ø
-
6
6
28 MBS 32 MBS
Ø
-
6,9
6,9
