15
When adapting to a gas different from the one for which the boiler is equipped, you should replace the parts delivered with the
transformation kit, as well the gas valve adjustments following the operational mode described below
Adjusting the nominal output
• take off the adjusting screws protective
cap (fig. 16).
• take off screw 2 and insert a tube
connected to a pressure tap gauge (fig. 16).
• start the boiler at maximum output (hot
water tap on).
• put pressure on nut 3 by using an 8
wrench (fig. 17) and adjust the pressure to
the value envisaged in the table
“nominal output table.”
Adjusting the minimum output
• disconnect a valve power supply cable (fig.
18)
• put pressure on screw 4 by using a 5
wrench, while holding net 3 (fig. 18) and
adjust the pressure to the value envisaged
in the table
“minimum output table.”
• adjustment finished, put screw 2 back
again and test the tightness.
• put the adjustment screws protective cab
back on.
Adjusting the minimum output
(see settings on page 12).
2
Fig. 16
3
Fig. 17
4
Fig. 18
mm CE
G 20
G 30
G 31
24 kW FF
114
268
352
30 kW FF
130
265
359
Output nominal
Output mini
mm CE
G 20
G 30
G 31
24 kW FF
18
47
67
30 kW FF
15
41
58
10
Gas conversion
