Gas Line; Gas Train - Riello RLS 70 Installation Instruction

4.11 Gas line

• The main gas train must be connected to the gas attachment
1) (Fig. 22), 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.
• Gas safety shut-off valves 5)-6) (Fig. 23) must be as close as
possible 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. 23) and can enter the burner from the right or left side.

4.12 Gas train

It must be type-approved according to required Standards and is
supplied separately from the burner.
NOTE:
See the accompanying instructions for the gas train lay out.
TYPICAL UL SCHEMATIC GAS PIPING
D2311
Key to layout
1 Gas input pipe
2 Manual valve
3 Pressure regulator
4 Low gas pressure switch
5 1st safety shut off valve
6 2nd safety shut off valve
7 Standard issue burner gasket with flange
8 Gas butterfly valve
9 Burner
Installation
GAS PILOT LINE
MAIN GAS LINE
Fig. 23
17
D2310
Fig. 22
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