Ferroli SUN M3 Mode D'emploi, Installation Et Entretien page 34

Gas pressure adjustment
+
-
+
"C" Pressure
control
"A" Outlet gas pressure
point
Gas delivery adjustment on starting
• Connect a suitable pressure gauge to pressure point "A".
• Unscrew the pressure control "C" by turning the adjuster screw anticlockwise (max 25 turns).
• Turn the screw of the control "B" fully anticlockwise (starting at maximum pressure)
• Start up the burner
• Check the valve gas outlet pressure with the pressure gauge.
• If necessary, reduce the gas pressure by turning the screw of the power control.
• If it is necessary to further increase the working gas flow rate turn the pressure control clockwise to
increase the required gas flow rate.
Gas pressure adjustment SUN M3
20
18
16
14
12
10
8
6
4
2
0
10
NATURAL GAS
LPG
34
"B" Power and
ignition step control
2
15 20 25
Cod. 3540G431 - 11/2007 (Rev. 00)
-
+ Inlet gas pressure point
fig. 9
30 35 40
Power (kW)
SUN M3 - M6
45 50 55
EN