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5481
15
GB
HYDRAULIC LINE SCHEMA
Oil pressure switch
If the back pressure in the fuel return line is too high, the pressure switch stops the burner.
Recommended setting (recommended values with resistance of pipe returning to tank
≤
0,5 bar):
2,0 ÷ 2,5 bar
If control box lockout occurs (pos. P), reset the pressure switch with values increasing by 0.5 bar.
FO
P
VR1
VR
PO
C2
C1
MR
MV
RO
SM
MM
VF
VS
2583
Cn - Control cams
FO - Oil filter
MM - Oil delivery pressure gauge
MR - Oil return pressure gauge
P
- Pump with filter and pressure regulator
RO - Oil return pressure regulator