M039150CF
13
GAS TRAIN CONNECTIONS
The diagrams show the components of the gas train included in the delivery and which must be fitted by the installer.The diagrams are
in compliance with the current laws.
Key
1
Burner
2
Butterfly valve
3
Gas proving system
4
High gas pressure switch (option*)
5
Low gas pressure switch
6
Gas filter
7
Bellow unit
8
Manual shutoff valve
9
DUNGS MB-DLE valves group
10
VGD valves group
* Note: the maximum gas pressure switch can be mounted either upstream or downstream the gas valve but upstream the butterfly
gas valve (see item no.4 in the scheme above).
ATTENTION:
BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE
MANUAL CUTOFF VALVES ARE CLOSED. READ CAREFULLY THE “WARNINGS” CHAPTER AT THE BEGINNING
OF THIS MANUAL.
Gas train - 1
Gas train with valves group VGD 20/40 with built-in gas pressure go VPS504 gas proving system
Gas train - 2
Gas train with valves group VGD 20/40 with built-in gas pressure go VPS504 gas proving system
1
2
3
4
5
7
8
9
4
MANUFACTURER
INSTALLER
3
1
2
5
4
6
7
8
10
4
MANUFACTURER
INSTALLER
