Spheros DBW 160, Руководство по установке

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DBW 160/230/300/350 Starting the heater for the first time
83
12 Starting the heater for the first time
NOTE:
It is mandatory to read through the operating and maintenance instruc-
tions as well as the installation instructions before starting the heater.
The safety precautions given in the above mentioned documents must
be considered!
The heaters are adjusted in the factory and can be used unlimited
without a change of the CO
2
adjustment up to an altitude of 1500 m
above MSL and up to 2000 m above MSL if that is a short stay in such
conditions (pass crossing, break).
In case of a permanent heater operation above 1500 m the CO
2
setting
should be readjusted, due to a negative change of the exhaust gas
values in result of the decreased air density.
It is also recommended to adjust the CO
2
content according to the
technical data if combustion air supply or exhaust gas applications are
used.
After heater installation, bleed the water system and the fuel supply sys-
tem carefully. In this process it is mandatory to fill the suction line and
the fuel filter of the heater completely. Spheros recommends the usage
of a separate bleeding unit. Follow the appropriate instructions provided
by the vehicle manufacturer. Verify the fuel supplied to the heater is
bubble-free.
NOTE:
Never
use the fuel pump to fill / bleed the fuel system!
Generally, the hook-up of the heater to the vehicle power grid must be
done only after filling / bleeding of the fuel system in order to prevent a
premature start of the fan motor/fuel pump.
Conduct a test run of the heater to check all the water and fuel connec-
tions for leaks and to ensure that they are secure. If the heater suffers a
fault during operation, the fault must be located and remedied according
to given in the shop manual instructions.
IMPORTANT:
In the event no fuel comes to the fuel pump during initial start-up
(dry running), there is a risk that the fuel pump will be damaged!