Riello ER Series Installation, Use And Maintenance Instructions page 36

4
Burner supply
4.1 Oil supply circuit to the burner - mechanical atomisation (example)
Key to lay-out
1 Oil inlet (from the oil ring circuit)
Pressure = 14 bar (200 PSI) - Viscosity: 10 ÷ 15 cst
2 To the oil ring return line
Functional scheme
AV1 Air 3/2 valve
B Degassing unit
BV Ball valve
F Filter
F2 Y-type steam filter
FLH Flexible hoses
MM Gas pressure gauge
MO Oil pressure gauge
MP Motor pump
10
P Pump
POm Min oil pressure switch
POM Max oil pressure switch
PX1 Proximity switch
RV Steam pressure regulator
SM1 Fuel servomotor
VC Ball valve NC
VR Regulating valve
VS1 Oil 2/2 safety valve
S8943
Fig. 11