Light Oil Supply; General Supply Layout (Example) - Riello DB 12 LM C10 Installation, Use And Maintenance Instructions

4.13

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.

4.13.1 General supply layout (example)

An example of the burner's hydraulic diagram is shown in Fig. 20.
20198615
Key (Fig. 20)
AD Air dumper
BP Pilot burner
CL Oil collector
Cm Regulating cam
MM Pressure gauge
MN Oil delivery pressure gauge
MR Oil return pressure gauge
N Nozzle
NL Oil lance
PA Minimum air pressure switch
20198588
Installation
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
PCV Gas pressure regulator
POM Maximum oil pressure switch
POm Minimum oil pressure switch
RP Oil return pressure regulator
SM Servomotor
VE Fan
VP Pilot solenoid valves
VS 1-2 Oil valve (safety)
VU Nozzle valve
VR 1-2 Safety valve on return line
18 GB
Fig. 20