DSE Model 5320 Automatic Mains Failure & Instrumentation System Operators Manual
16 Part No. 057-014 5320 OPERATING MANUAL ISSUE 5.1 18/06/2007 ADM
HIGH ENGINE TEMPERATURE if the module detects that the engine coolant temperature has exceeded the high
engine temperature trip setting level after the Safety On timer has expired, a shutdown will occur. Alarm Shutdown
High Engine Temperature will be displayed.
Alarm
Shutdown
High temperature
OVERSPEED, if the engine speed exceeds the pre-set trip a shutdown is initiated. Alarm Shutdown Overspeed will
be displayed. Overspeed is not delayed, it is an immediate shutdown.
Alarm
Shutdown
Overspeed
NOTE:-During the start-up sequence the overspeed trip logic can be configured to allow an extra
trip level margin. This is used to prevent nuisance tripping on start-up - Refer to the 5xxx series
configuration software manual under heading ‘Overspeed Overshoot’ for details.
UNDERSPEED, if the engine speed falls below the pre-set trip after the Safety On timer has expired, a shutdown is
initiated. Alarm Shutdown Underspeed will be displayed.
Alarm
Shutdown
Underspeed
GENERATOR HIGH FREQUENCY if the module detects a generator output frequency in excess of the pre-set trip
a shutdown is initiated. Alarm Shutdown High Frequency will be displayed, it is an immediate shutdown.
Alarm
Shutdown
Over frequency
GENERATOR LOW FREQUENCY, if the module detects a generator output frequency below the pre-set trip after
the Safety On timer has expired, a shutdown is initiated. Alarm Shutdown Low Frequency will be displayed.
Alarm
Shutdown
Under frequency
GENERATOR HIGH VOLTAGE if the module detects a generator output voltage in excess of the pre-set trip a
shutdown is initiated. Alarm Shutdown High Volts will be displayed, it is an immediate shutdown.
Alarm
Shutdown
AC Overvolts
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