Riello FS15D Installation, Use And Maintenance Instructions page 48

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
5 – Gas pressure switch
6 – Safety valve
7 – Pressure governor
8 – 1 st and 2 nd stage adjustment valve
GAS TRAIN ACCORDING TO EN 676
The gas train is supplied separately, for its adjustment see the enclosed instructions.
GAS TRAIN
TYPE
MBZRDLE 407 B01
2748
47
mm
2 3 M1
CONNECTIONS
CODE INLET
3970537 Rp 3/4
Ignition electrode
Diffuser
–
2
WARNING
4 5 6 7
Gas-supply pressure test point
M1 –
M2 – Pressure coupling test point
OUTLET
Rp 3/4
4 GB
Ionization probe
Electrode
3
3
mm
8
D4161
USE
Natural gas and LPG
=
M2