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MV Heating UK Ltd
3B. Installation of fuel lines
The following shows the ideal pressure of fuel pick up.
Figure VII
Figure VIII
Identify the fuel line from the installed fuel filter. Only
take fuel from the return line with the special fuel
pickup (see Figure VII.) The pickup is ideally fitted so
that any air bubbles are discharged in the direction of
the fuel tank (see Figure III).
The allowed fuel inflow height, H(m)
0.00
1.00
2.00
Maximum allowed excess of pressure (bar) in the fuel line
0.2
0.11
0.03
The permittable fuel suction height. S(m)
0.00
0.50
1.00
Maximum permitted negative pressure (bar) in the fuel tank
-0.10
-0.06
-0.02
