CONNECTING THE BURNER TO THE LIQUID
FUEL SUPPLY LINE
SUPPLY LINE
The fuel supply pressure to the burner pump must not change both
with burner off and with working burner at the maximum fuel output
required by the boiler.
The supply circuit can be realized without pressure regulator, using
the dedicated hydraulic diagram.
The burner tank connection pipes must be perfectly airtight. It is
recommended to use copper or steel pipes of a suitable diameter.
The pipe dimensioning must be carried out according to the pipe
length and the flow rate of the installed pump.
These instructions ensure a good operation of the product.
At the end of the rigid pipes, fuel shut-off gate valves must be installed.
Install the filter on the suction piping after the gate, then connect
the hose to the burner pump's suction coupling nipple; all parts are
supplied with the burner.
The pump is provided with specific connections to fit control
instruments (pressure gauge and vacuum gauge).
For a safe and silent operation, the suction vacuum cannot exceed 35
cm/Hg corresponding to 0.46 bar.
The anti-pollution prescriptions, as well as the provisions set forth by
the local authorities, refer to the specific publications in force in the
country where the product will be installed.
Maximum suction and return pressure = 1 bar.
GRAVITY SUPPLY SYSTEM
1
2
5
9
8
3
6
4
H
7
0002900740N1
IMPORTANT
For any components missing in the pipes, comply with current
regulations.
IMPORTANT
Total length of pipeline, including vertical length.
Deduct 0.25 m for each elbow or gate.
1 Serbatoio
2 Feeding pipe
3 Mesh filter
4 Pompa
5 Degasificatore
6 Suction pipe
7 Burner return pipe
8 Automatic shut-off device with burner off
9 Unidirectional valve
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