Light Oil Supply - Riello DB 6 LSM C13 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. 24.
GAS
GF
MM
GAS
GF HPG
Key (Fig. 24)
BP Pilot burner
C Anti-vibration joint
GF Gas filter
HPG High gas pressure regulator
LPG Low gas pressure regulator
MM Pressure gauge
MN Light oil delivery pressure gauge
MR Oil return pressure gauge
N Nozzle
PA Minimum air pressure switch
PCV Pilot gas pressure regulator
PGM Maximum gas pressure switch
PGm Minimum gas pressure switch
POm Minimum oil pressure switch
20114504
MM
PGm VPS
LPG C
VR
VS
MM
C
V
20114697
Installation
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
PCV
SM
PA
MM
VS2 VS1
VE
POm
MN
PO Maximum oil pressure switch
RG Gas butterfly valve
RP Oil return pressure regulator
SM Servomotor
SRV Pressure limiting valve with outlet into the environment
V Vacuometer
VE Fan
VP Pilot solenoid valves
VPS Leak detection control device
VR Gas pressure regulator solenoid valve
VS Gas safety solenoid
VR1-2 Oil safety valve on the return line
VS1-2 Oil safety valve on the outlet
21 GB
VP VP
RG
PGM
B
MR
RP SM
VR2 VR1
PO
BP
7
N
9
Fig. 24