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PART II: INSTALLATION
MultiBloc MBE
PS pressure
sensor
To mount the gas train, proceed as follows:
1-a) in case of threaded joints: use proper seals according to the gas used;
1-b) in case of flanged joints: place a gasket (no. 1A..1E - Fig. 4) between the elements;
2)
fasten all the items by means of screws, according to the diagrams showed, observing the mounting direction for each item;
NOTE: the bellows unit, the manual cutoff valve and the gaskets are not part of the standard supply.
ATTENTION: once the gas train is mounted according to the diagram on Fig. 4, the gas proving test mus be per-
formed, according to the procedure set by the laws in force.
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).
WARNING: Slowly open the fuel cock to avoid breaking the pressure regulator.
Threaded train with MultiBloc MBE - Mounting
B
C
A
1. Insert studs A.
2. Insert seals B.
3. Insert studs C.
4. Tighten studs in accordance with section 8.
Ensure correct position of the seal!
5. Perform leak and functional tests after mounting.
6. Screws (4xM5x20) for VD assembly are supplied.
Fig. 14
Mounting position MBE / VB / VD
VD
VB
Fig. 15
Actuator VD-V
Actuator VD-R
Fig. 13Example of gas train MBE
B
VDR
C
A
A
1. Mount flange into pipe systems. Use appropriate sealing
agent.
2. Insert VB together with supplied O-rings.
Check current position of O-rings.
3. Tighten supplied screws (8xM8x30) in accordance with
section 8.
4. Screws (4xM5x25) for VD assembly are supplied.
5. After installation, perform leakage and functional test.
6. Disassembly in reverse order.
22
Gas filter
Pressure switch PG min
Leakage pressure switch
Valve body VB
Pressure switch PG max
A
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