Eberspächer 20 1812 05 00 00 Technical description, installation, operation and maintenance instructions - page 28
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Installation
3
Fuel supply
Caution!
Fuel supply safety information
It is not permitted to operate the heater with
unapproved fuel / fuel mixtures or the addition of used
oil.
Failure to comply with this can lead to personal
injuries as well as a malfunction or damage to the
heater.
Only the fuel approved by the manufacturer or by the
vehicle manufacturer is to be used.
Fuel quality for petrol heaters
The heater runs without problems on normal
commercial petrol according to DIN EN 228.
Fuel quality for diesel heaters
• The heater runs without problems on normal
commercial diesel fuel according to DIN EN 590.
During the winter months the diesel fuel is adapted to
low temperatures from 0 °C to –20 °C. Problems can
therefore only arise if outdoor temperatures are
extremely low - which also applies to the vehicle's
engine - please refer to the vehicle manufacturer's
regulations.
• In special cases and at outdoor temperatures above
0 °C the heater can also be run on heating oil EL
according to DIN 51603.
• If the heater is run from a separate tank, please
comply with the following rules:
– if outdoor temperatures over 0 °C,
Use diesel fuel according to DIN EN 590.
– if outdoor temperatures from 0 °C to –20 °C,
Use winter diesel fuel according to DIN 590.
- if outdoor temperatures –20 °C to –40 °C,
Use Arctic Diesel or Polar Diesel.
After refuelling with winter or cold diesel, the fuel
pipes and the metering pump must be filled with the
new fuel by letting the heater run for 15 min!
Please note!
Operation with biodiesel (FAME)
Airtronic
The heater is not approved for operation with bio
diesel fuel (FAME). Up to 10 % bio diesel fuel (FAME)
may be added.
Airtronic M
The diesel heater is approved for operation with bio
diesel fuel (FAME) according to DIN EN 14 214.
• Bio diesel fuel (FAME) according to DIN EN 14 214
– during the winter months is adapted to low
temperatures from 0 °C to –20 °C.
– The Flowability reduces at temperatures below
0 °C.
• When using 100 % bio diesel, the heater should be
operated twice a year with diesel fuel (in the middle
and at the end of a heating period) in order to burn
off any possible biodiesel residues deposited.
To do so, let the vehicle tank run almost empty and
then fill with diesel fuel. While running on this tank
filling, switch the heater on 2 to 3 times for 30
minutes at a time at the highest temperature setting.
• When operating with diesel / bio diesel mixtures of up
to 50 % bio diesel, intermediate operation with pure
diesel fuel is not necessary.
Please note!