3.4 Installation of the fuel system.
Do not operate the heater using biofuel.
Use only diesel fuel standard EN590, depending on the ambient
temperature.
Act as instructed on Fig.14 and Fig.17 to install the fuel system. The fuel pump and
the fuel supply line must be protected from heating.
It is recommended to install a small inline fuel filter before the fuel pump. Make sure
that the filter is completely filled with fuel. Also make sure that you’re using fuel lines of
the same diameter as provided with the heater.
Do not take fuel from fuel filter or it’s casings, because doing so causes a
leak of fuel.
Do not take fuel from the fuel line between the fuel filter and fuel pump of
the vehicle’s engine, the return line of the engine or after the high-pressure
pump of the vehicle.
Heater is not designed to work with such high pressure.
Fuel line system should be as short as possible. Recommended maximum
length of the fuel line is 5m. Distance between fuel tank and fuel pump
should not exceed 1m and distance between fuel pump and the heater
should not exceed 4m (see Fig.14 and Fig.17)
3.4.1 Fuel suction using a fuel suction hose.
Before installing a fuel suction hose in a fuel tank of the vehicle or vessel,
make sure that the fuel level is high enough to ensure operation of the
heater, and low enough to easily remove the fuel tank, if needed.
1 – Fuel tank of the vehicle
Fig. 14 - Example of fuel supply to the heater with fuel suction hose
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