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GAS TRAIN CONNECTIONS
The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in
compliance with the current laws.
ATTENTION: BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE MANUAL
CUTOFF VALVES ARE CLOSED.
Burners: RX90-RX91-RX510
Gas train - 1
Gas train with valves group VGD 20/40.. with built-in gas pressure governor + VPS504 gas proving system
1
Gas train - 2 (Rp2)
Gas train with valves group MBC 1200SE (2 valves + gas filter + pressure governor) + VPS504 gas proving system
1
Gas train - 3(DN65/80/100)
Gas train with valves group MBC 1900/3100/5000SE (2 valves + gas filter + pressure governor) + VPS504 gas proving system
1
1
Burner
2
Butterfly valve
3
Gas proving system
4
Maximum gas pressure switch (option*)
5
Minimum gas pressure switch
6
Gas filter
7
Bellows unit
* Note: the high 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).
4
2
10
4
18
2
4
19
2
3
8
10
14
15
18
19
4
5
MANUFAC-
TURER
3
MANUFACTURER
5
4
3
MANUFACTURER
4
5
Manual cutoff valve
VGD Valves group
Pressure governor with filter
Pilot gas valve
MBC Valves group (2" with filter provided)
MBC Valves group (DN65/80/100)
16
INSTALLER
6
7
8
INSTALLER
7
8
INSTALLER
6
7
8
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