Pilot - Gas Train Connection; Ignition Pilot Burner - Riello RLS 650/E MX Installation, Use And Maintenance Instructions

Example with natural gas G20:
Operation at maximum modulating output
Gas pressure at an output of 6000 kW
Pressure in combustion chamber
27.8 + 5
pressure required at test point P1)(Fig. 31).
20070790
Key (Fig. 31)
P1 Pressure test point at the combustion head
P2 Pressure test point at the gas butterfly valve
2 Manual on/off valve
12 Pilot gas supply
13 Pressure adjuster of pilot line
14 Safety valve
15 Operation valve
20027766
Installation

5.13.5 Pilot - gas train connection

The burner is fitted with a dedicated gas train that is fixed to the
= 27.8 mbar
pipe coupling.
= 5 mbar
 It should be connected to the main train downstream the fil-
= 32.8 mbar
ter or the pressure adjuster (depending on configuration).
Oil burners (with LPG pilot) can be directly connected to the LPG
cylinder.
WARNING

5.13.6 Ignition pilot burner

For proper operation, adjust gas pressure (measured at pressure
test point 1)(Fig. 32) as follows: 16 mbar (7.3 Nm
WARNING
In the case of ignition problems check:
 correct positioning of the ignition electrode;
 the gas pressure, according to indications.
Fig. 31
28 GB
Supply pressure 68 ÷ 500 mbar.
Check pilot flame stability before starting up the
main burner.
3
/h).
D9266
Fig. 32