CIB UNIGAS HR1025, Manual, Page: 22 / 55

PART II: INSTALLATION
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3.1 Assembling the gas grain
Fig. 7 - Example of gas train
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 - ) 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.
The pilot gas train is already installed to the burner, the following connections must be executed:
z
connection from the filter with stabiliser to the gas supply network
ATTENTION: once the gas train is mounted according to the diagram on Fig. 1, 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).
1A
5
1B
4 1C
2 1D
1E
3
Keys
1A..1E Gasket
2 Gas filter
3 Gas valves group
4 Bellows unit
5 Manual valve
”direction” arrows for installation
gas supply network