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FUEL (DIESEL) SUPPLY SYSTEM
The burner pump must receive fuel from a suitable supply circuit,
including an auxiliary pump with pressure adjustable from 0,2 to 1
bar (see 0002901120). The fuel supply pressure to the burner pump
(0.2 ÷ 1 bar) must not change both with burner off and with working
burner at the maximum fuel output required by the boiler. The supply
circuit must be realised according to our drawings no. 0002901120
and no. 8666/3 even when using low-viscosity fuel.
The pipe dimensioning must be carried out according to the pipe
length and the flow rate of the installed pump. Our instructions cover
the basic requirements needed to ensure efficient operations. When
installing the fuel supply system, respect the antipollution instructions
and applicable regulations issued by local authorities.
FURTHER INSTRUCTIONS TO
START A MIXED BURNER
It is advisable to first carry out the starting with the liquid fuel because
in this case the delivery is conditioned by the available nozzle
whereas the delivery of methane be varied as you like by working
on its delivery regulator.
Viscosity - temperature diagram
Viscosity - temperature diagram
Pumping limit
Viscosity range for atomization
TEMPERATURES
10 / 44
0006080103_201309
Curve 1 Diesel
"
2 Extrafluid
"
3 Fluid 3/5
"
4 Fluid 5/7
"
5 thick 8
"
6 Thick 15 - 20
"
7 Thick, viscosity
24
a 50° C
"
8 Thick, viscosity
35
a 50° C
"
9 Thick, viscosity
50
a 50° C
"
10 Thick, viscosity
85
a 50° C
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