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3.
INSTALLATION
3.1
FUEL OIL GRAVITY FEED SYSTEMS
GRAVITY SYSTEM
For fuel oil with viscosity max. 7°E at 50°C.
SUCTION SYSTEM
For fuel oil with viscosity max. 7°E at 50°C.
RING SUPPLY
For heavy oil with viscosity up to 65°E / 50°C.
1 - Tank (properly heated for heavy oil)
2 - Filter (with resistance for oil > 7°E / 50°C)
3 - Burner (with kit for heavy oil)
4 - Couple of cocks (excluding the burner)
Notice: all the pipes have to be properly seized, sealed and heated (elec. resistance or hot steam or water) to let
the fuel flow.
Warning: before to put the burner in operation verify that no obstruction exists into the pipes, any obstruction
may damage the sealing of the pump.
2915830
Priming pump:
loose the tap of the vacuometer plug (5,
fig. 1) and wait for the fuel flow.
H: Difference in the pipes height
L: Length of the suction pipe
D2687
Not advised, to be used only in
case of previously existing sys-
tem.
Never overcome the max. depres-
sion of 0.5 bar (38 cm Hg).
With higher values the fuel emanates
gas. The pipes shall be perfectly
D2688
sealead. When the tank is placed be-
low of the burner level, the return
pipe should reach the same level of
the suction pipe. In this case the foot
valve is not required.
D2689
5 - Forwarding pump
6 - Manometer
7 - Burner pump
8 - Pressure adjuster
3
GB
L meters
H
meters
ø 1"
ø 1 1/4"
0
3
5
0.5
6
10
1
9
15
1.5
12
20
2
15
25
L meters
H
meters
ø 1 1/4" ø 1 1/2"
0
12
26
0.5
10
22
1
9
18
1.5
7
15
2
5
12
2.5
4
9
3
–
6
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