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Light oil pilot pump
Suntec AS47-57-67 B
Oil viscosity
Oil temperature
Max. suction pressure
Max. return pressure
Min. suction pressure
Rotation speed
Key
1
Pressure governor
2
Manometer
3
Vacuum gauge
4
Solenoid valve
5
Nozzle
7
Suction
8
Return
Fuel Oil filters
Item
1
51000/05
About the use of fuel pumps
Do not use fuel with additives to avoid the possible formation over time of compounds which may deposit between the gear teeth,
thus obstructing them.
After filling the tank, wait before starting the burner. This will give any suspended impurities time to deposit on the bottom of the
tank, thus avoiding the possibility that they might be sucked into the pump.
On initial commissioning a "dry" operation is foreseen for a considerable length of time (for example, when there is a long suction
line to bleed). To avoid damages inject some lubrication oil into the vacuum inlet.
Care must be taken when installing the pump not to force the pump shaft along its axis or laterally to avoid excessive wear on the
joint, noise and overloading the gears.
Pipes should not contain air pockets. Rapid attachment joint should therefore be avoided and threaded or mechanical seal jun-
ctions preferred. Junction threads, elbow joints and couplings should be sealed with removable sg component. The number of jun-
ctions should be kept to a minimum as they are a possible source of leakage.
Do not use PTFE tape on the suction and return line pipes to avoid the possibility that particles enter circulation. These could depo-
sit on the pump filter or the nozzle, reducing efficiency. Always use O-Rings or mechanical seal (copper or aluminium gaskets) jun-
ctions if possible.
An external filter should always be installed in the suction line upstream the fuel unit.
The pump provided with the burner must be installed according to the hydraulic diagram.
capacity
Pumps
[l/h]
Kral KF 32 BCB
1800
Cucchi FMG40
2500
For further details see the manifacturer documentation.
C.I.B. UNIGAS - M039126CE
2 - 12 cSt
0 - 60 °C
2 bar max.
2 bar max.
- 0.45 barto avoid gasing
3600 rpm max.
Note
Connection
Self-cleaning filter with
2" - DN50
heating elements
power
speed
[kW]
[rpm]
1,1
1500
1,1
1400
Max. operating
pressure
4 bar
max outlet pressure
connection
[bar]
DN32
10
1"
10
21
Max. operating
Filtering
temperature
degree
150 °C
500 μ
max inlet pressure
(bar)
2
2
Protection
IP54
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