Whisper Power m-sq25 User Manual page 22

OPERATION
Stopping the generating set:
1 Avoid 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
electric motors, compressors (in refrigerators or air
conditioners etc.).
2 Press the STOP button.
3 Close the inlet sea water cock.
4 Switch to an other 230V/400V 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 battery
22
November 2010 / M-SQ20 / 25 / EN