Eberspächer B1LC compact Operating Instructions Manual - page 11
3. Permissible suction and pressure heads for installation per 1„and 2.;
permissible positioning of metering pump
max. fuel level
Fuel line connection to heater
Metering pump
min.fuel level
Supply pressure from tank to metering pump:
e = max. 3000 mm suction head:
tank at zero pressure
f = max. 500 mm with gasoline
f = max. 1000 mm with diesel oil
Check whether tank ventilation works properly
intake from tank when underpressure occurs during
(operation vaive 0.03 bar in tank cap)
f = max. 150 mm with gasoline
f — max. 400 mm with diesel oil
Pressure head metering pump to heater:
g = max, 2000 mm
Fuel line metering pump to heater should not have a slope
if at all possible.
2. Important
Protect fuel lines, filter and metering pump from overhea
ting; do not install near silencers and exhaust pipes. Tempe
ratures above 3 0 °C lead to gas bubbles and problems with
gasoline.
When installing the fuel line, fuel filter and fuel metering
pump near the rear axle, be sure to takte the spring deflec
tion of the rear axle into consideration.
Cut fuel tubes and pipes to length only with a sharp knife.
Cuts may not be indented and must be burr-free.
For connection of the fuel branches, always use rubber
tuhing, never plastic pipe.
Fuel pipes connected by means of a fuel tube.
Fuel pipe sections must abut.
bubble
right
Do not let fuel tube sag.
wrong
wrong
D 1 L C
compact
Fuel grades/Fuel at low temperatures
The heater can take without problem the same fuel you use
in your tank. In the USA diesel fuel no. 1 and no. 2.
Admixture of used oil is not permitted.
The refineries automatically adapt their fuels to normal w in
ter temperatures (Winter Diesel).
Therefore difficulties can only arise at extremely-low tempe
rature (as in the engine - see the vehicle's instruction
manual).
If the heater is operated from a separate tank, the foltowing
rules must be observed: at temperatures above 0°C any type
of diesel fuel can be used.
If no special cold-weather diesel fuel is available at low
temperatures, mix kerosine or gasoline according to the
adjacent table.
Temperature
From
0°C to - 1 5°C*
From -1 5°C to -2 5 ° C
From - 2 5 ° C to - 4 0 ° C
W inter
diesel oil
100
%
50%
Additive
50% kerosine or
gasoline
100% kerosine*
* or special winter diesel oils
** or in accordance with fuel manufacturer's specifications
The fuel line and the fuel pump must be filled with new fuel
by operation for 15 minutes.
Fuel for special cases
In special cases, the heaters can also be operated on extra
light fuel oil (above 0°C) or kerosine. If in doubt consult the
manufacturer.
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