18 April 2004 / WHISPER 3,5 / USA
electrical devices, that need a high current for starting
especially electric motors and compressors (from a still
stand state).
In order to prolong the generating set’s life expectancy,
the nominal electrical demand on the system should be
about 70% or the rated generating set’s maximum load.
Please note this when switching on your electrical
devices!
Nevertheless, the Whisper 3,5 is designed so as not to
overheat, even under extreme conditions.
Do not run the generator for very long periods at no load
or at very low load. When this is necessary do load the
generator at least one hour in 10 hours for minimum
70%. Long term running at too low load will cause the
exhaust to be choked by carbon.
Never remove the battery while the engine
is running, or any electrical cable while the
battery is connected in the circuit. Only
disconnect the battery with the engine
stopped and all switches in "OFF" position.
Stopping the generating set:
1Avoid stopping of the generator abruptly after a long
period of operation at high load! Doing so, you avoid
unnecessary thermal load to your generating set!
Act as follows:
Prior to switching off the generating set, decrease the
generator load (i.e. turn off most electrical users) and
let the generator run at low load for approx. 5 minutes
to allow the engine to get properly cool ( the influent
sea water must flow through the system in order to
cool the engine).
If the generator is operating in a hot environment and
you do not act as given above, the excessive heat in
the engine can trip the "high temp" alarms. In that
case, a restart of the engine is not possible for some
time. It is also recommended to switch off electrical
users prior to stopping the generator because of the
voltage drop that occurs as the engine comes to a
halt. Such voltage drops may cause damage to elec-
tric motors, compressors (in refrigerators or air condi-
tioners etc.).
2 Press the STOP button.
3 Close the inlet sea water cock.
4 Switch to an other 120V power source, if available. If
a Masterswitch is installed, this is done automatically.
If the engine is not running and ‘failure’ and
‘charging’ LED is blinking, reset by stop
button, otherwise it will drain the start bat-
tery.
OPERATION
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