Riello FS20 G.T. Installation, Use And Maintenance Instructions page 34

3.2 PROBE - ELECTRODE POSITIONING
~
Probe
D5104
3.3 GAS FEEDING LINE
1
1 – Gas supply pipe
2 – Manual cock (supplied by the installer)
3 – Gas pressure gauge (supplied by the
installer)
4 – Filter
GAS TRAIN
GAS TRAIN
TYPE
MV DLE 207/5
The gas train is supplied separately, for its adjustment see the enclosed instructions.
20027968
47
mm
2 3 M1
CONNECTIONS
CODE INLET
Rp 3/4"
3970573
Ignition electrode
Diffuser
3
–
2
WARNING
4 5 6
D10824
5 – Gas pressure switch
6 – Safety valve
M1 – Gas-supply pressure test point
M2 – Pressure coupling test point
OUTLET
Rp 3/4"
4
GB
Ionization probe
Electrode
3.7
mm
M2
USE
Natural gas and LPG
=