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OIL TRAIN CONNECTIONS
OIL TRAIN CONNECTIONS
Hydraulic diagrams for light oil supplying circuits
1
3
Installation diagram of light oil pipes
please read carefully the "warnings" chapter at the beginning of this manual.
Fig. 1 - Double-pipe system
From tank
To tank
Key
1
Burner
2
Flexible hoses (fitted)
3
Light oil filter (fitted)
4
Automatic interceptor (*)
5
One-way valve (*)
6
Gate valve
7
Quick-closing gate-valve (outside the tank or boiler rooms)
GRAVITY CIRCUIT
SUCTION CIRCUIT
2
Key
1 Manual valve
2 Light oil filter
3 Light oil feeding pump
4 One way valve
5 Flexible hoses
6 Relief valve
NOTE: in plants where gravity or ring feed systems are provided,
install an automatic interception device.
The burner is supplied with filter and flexible
hoses, all the parts upstream the filter and
downstream the return flexible hose, must be
installed by the customer. As far as the hoses
connection, see the related paragraph.
(*) Only for installations with gravity, siphon or forced cir-
culation feed systems. If the device installed is a solenoid
valve, a timer must be installed to delay the valve closing.
The direct connection of the device without a timer may
cause pump breaks.
23
PART II: INSTALLATION
RING CIRCUIT
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