Light Oil Supply - Riello DB 12 LSM C13 Installation, Use And Maintenance Instructions

5.13

Light oil supply

Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.
5.13.1 General supply layout (example)
An example of the burner's hydraulic diagram is shown in Fig. 21.
Key (Fig. 21)
AD Air dumper
BP Pilot burner
C Anti-vibration joint
CL Oil collector
Cm Regulating cam
GF Gas filter
HPG High gas pressure regulator
LPG Low gas pressure regulator
MM Pressure gauge
MN Oil delivery pressure gauge
MR Oil return pressure gauge
N Nozzle
NL Oil lance
PA Minimum air pressure switch
PCV Gas pressure regulator
PGM Maximum gas pressure switch
PGm Minimum gas pressure switch
POM Maximum oil pressure switch
POm Minimum oil pressure switch
RG Gas butterfly valve
RP Oil return pressure regulator
20119307
Installation
WARNING
20119774
SM
SRV
VE
VP
VPS
VR
VS
VS1-2 Oil valve (safety)
VU
20 GB
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
Servomotor
Pressure limiting valve with outlet into the environment
Fan
Pilot solenoid valves
Leak detection control device
Gas pressure regulator solenoid valve
Gas safety solenoid valve
Nozzle valve
Fig. 21