Gas Piping; 4.10 Gas Train - Riello RS 28/E Installation, Use And Maintenance Instructions

4.9

Gas piping

The main gas train must be connected to the gas attachment
1)(Fig. 14), using flange 2), gasket 3) and screws 4) supplied with
the burner.
The main gas train can enter the burner from the right or left side,
depending on which is the most convenient.
Gas safety shut-off valves 5)-6)(Fig. 15) must be as close as pos-
sible to the burner to ensure gas reaches the combustion head
within the safety time range.
The pilot gas train must be connected to the gas attachment
5)(Fig. 14) and can enter the burner from the right or left side.

4.10 Gas train

It must be type-approved according to UL Standards and is sup-
plied separately from the burner.
See the accompanying instructions for the ad-
justment of the gas train.
WARNING
Key to layout
1 Gas input pipe
2 Manual valve
3 Pressure regulator
4 Low gas pressure switch
st
5 1 safety shut off valve
nd
6 2 safety shut off valve
7 Standard issue burner gasket with flange
8 Gas adjustment butterfly valve
9 Burner
20044359
Installation
D2294
18 GB
D2293
Fig. 14
GAS PILOT LINE
MAIN GAS LINE
Fig. 15