PART II: INSTALLATION
19
Gas train with valves group VGD and MBE with built-in gas pressure go gas leakage pressure switch (PGCP)
Legend
MultiBloc MB-DLE - Assembling the gas train
1 Filter
6 Butterfly valve
2 Pressure switch - PGMIN
7 Pressure transducer
3 Safety valve with built in gas governor
8 Main burner
4 Proving system pressure switch - PGCP
9 Antivibration joint (*optional)
5 Pressure switch PGMAX: mandatory for MBE, optional for VGD and MB-DLE
10 Manual valve(*optional)
MULTIBLOC DUNGS
MB-DLE 405..412
MB-DLE 415..420
Mounting
1
Mount flange onto tube lines: use appropriate sealing agent
2
Insert MB-DLE: note position of O rings
3
Remove MultiBloc between the threaded flanges
4
After installation, perform leakage and functional test
5
Disassembly in reverse order
M
PS
PSL
PSH
PT
7
MBE
1
9
10
M
PS
PSL
PSH
VGD
1
9
10
gas inlet
gas inlet
supplied by burner constructor
by others
Keys
1
Gasket
2
Gas filter
3
Gas valves group
4
Bellows unit
5
Manual valve
”direction” arrows for
installation
gas supply network
1
5
1
4
1
2
1
3
1
Note: the figure is indicative only
A
B
MB-DLE 405..412
A
B
C
D
MB-DLE 415..420
MOUNTING POSITIONS