Riello RS 300/E LN - Gas Feeding Line; Gas Pressure

20008423
23
GB
4.10.2 Gas feeding line
It must be type-approved according to required standards and is
supplied separately from the burner.
Key to lay-out (Fig. 20)
1 Gas input pipe for main burner
2 Manual valve
3 Low gas pressure switch
4 Safety shut-off valve
5 NO vent valve
6 Regulating shut off valve
7 Gas input pipe for pilot
8 Gas adjustment butterfly valve
9Burner
10 High gas pressure switch
11 Manual valve (for seal control)
12 Pilot regulator
4.10.3 Gas pressure
Important
The pressure at the head of the burner from table refers to zero
in the combustion chamber; to obtain true pressure, measured
by a U-type manometer, (Fig. 36) add the counter-pressure of
the boiler.
Note
See the accompanying instructions for the adjustment of the gas
train.
Mai n
gas suppl y
10
2
3
4
5
6
11
Vent
212
5
4
7
Vent
9
8
1
4
D3776
Fig. 20
GCV
MBtu/hr
Combustion
Head
“WC
Gas butterfly +
Adaptor
“WC
RS 300/E LN
5112 3.3 0.63
5680 3.7 0.79
7574 4.9 1.38
9467 5.4 2.13
11361 5.9 3
13254 7.9 4.2
14390 9 5.1
RS 400/E LN
6816 2.3 1.1
7574 3 1.38
9467 4.7 2.13
11361 6.4 3
12307 7.3 3.62
13254 8.3 5.17
15148 10.8 5.47
17042 13 7
RS 500/E LN
9467 4.4 1.81
11361 6 2.64
13254 7.7 3
15148 9.7 3.82
17042 11.8 4.64
18935 14.1 5.55
19692 15 5.9