ENGLISH
For the conversion from LPG to methane gas, remove it.
b
scribed in the paragraph "Emptying the water heater".
See Fig. 37
Then set Parameter 4 (see paragraph "
Conversion from METHANE to LPG
Parameter
4
Conversion from LPG to METHANE
Parameter
4
3.11 Adjustments
The boiler has already been factory set by the manufacturer.
tenance, after replacement of gas valve or after gas conversion, carry out
the following procedure.
b
-
-
gas valve by roughly two turns, then connect the pressure gauge
-
-
-
to maximum and power up the water heater
See Fig. 38
Adjusting to the maximum value:
-
table
Maximum gas pressure at nozzles
G20
Models 11
G30
G31
G20
Models 13
G30
G31
G20
Models 17
G31
20
Value
1
Value
0
A
(see section "
12,00
mbar
122,37
mm. W.C.
27,40
mbar
279,40
mm. W.C.
35,40
mbar
360,98
mm. W.C.
14,00
mbar
142,76
mm. W.C.
27,40
mbar
279,40
mm. W.C.
35,40
mbar
360,98
mm. W.C.
15,20
mbar
155,00
mm. W.C.
35,30
mbar
359,96
mm. W.C.
Adjusting to the minimum value:
- disconnect one of the two electric cables from the coil
-
until obtaining the gas pressure value shown in the table
-
-
G20
Models 11
G30
G31
G20
Models 13
G30
G31
-
G20
Models 17
G31
-
-
- Disconnect the pressure gauge and re-tighten the pressure test point
b
Please remember that for operation with LPG, the appliance needs
if operating with butane and 37 mbar for propane.
Minimum gas pressure at nozzles
1,30
13,26
2,80
28,55
3,60
36,71
1,80
18,35
3,40
34,67
4,40
44,87
2,10
21,41
5,00
50,99
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.
mbar
mm. W.C.