Eberspächer HYDRONIC B 4 W SC Instruction Manual - page 24
24
Installation
3
Fuel supply
Fuel quality for petrol heaters
The heater can run on commercially available fuel
as per DIN EN 228, as used in the vehicle tank.
Fuel quality for diesel heaters
The heater can run on commercially available fuel
as per DIN EN 590, as used in the vehicle tank.
Fuel for special cases
In special cases (above 0°C), the heater can also
run on fuel oil EL or paraffin.
Fuel for low temperatures
Refineries and fuel service stations automatically
adjust the fuel to normal winter temperatures (winter
diesel). This means that difficulties are only to be
expected for extreme drops in temperature, as also
apply to the vehicle engine. Please also refer to the
vehicle manual.
If the heater is run from a separate tank, please
comply with the following rules:
For temperatures above 0°C, any kind of diesel fuel
as per DIN EN 590 can be used.
If no special diesel fuel is available for low
temperatures, then paraffin or petrol should be mixed
with the fuel according to the following table:
Temperature
Winterdiesel
Addition
0 °C to –25 °C
100 %
–––
–25 °C to –40 °C
50 %*
50 % paraffin
or petrol
* or 100% special cold diesel fuel (Arctic diesel)
Please note!
• Mixtures with used oil are not allowed!
• After refuelling with winter or cold diesel or the listed
blends, the fuel pipes and the dosing pump must be
filled with the new fuel by letting the heater run for
15 mins.!
Operation with biodiesel (PME)
The heater is not certified for operation with biodiesel.