20
Pilot gas train (only for RX515/RX520)
The pilot gas train is already installed into the burner, the following connections must be carried out:
connection from the filter with stabiliser to the gas supply network;
connection from valve to the main gas train, by means of the pipe provided with the burner.
Fig. 6 - pipe port (3) from the he valves group of the main gas train to the pilot valve
ATTENTION:
it is recommended to mount filter and gas valves to avoid that extraneous material drops inside the valves,
during maintenance and cleaning operation of the filters (both the filters outside the valves group and the ones built-in the
gas valves).
connection to the gas supply net-
work
connection from the pilot gas train to the valves group
of the main gas train
7
11
12
9
5
4
1
2
3
8
6
3
SIEMENS VGD40..
DUNGS MBC1900-3100-5000SE