DSE Model 5220 Automatic Mains Failure & Instrumentation System Operators Manual
12 057-012 5220 OPERATING MANUAL ISSUE 5.1 18/06/2007 AM
HIGH ENGINE TEMPERATURE if the module detects that the engine coolant temperature has exceeded the high
engine temperature pre-alarm setting level after the Safety On timer has expired, a warning will occur.
The
icon will illuminate.
OVERSPEED, if the engine speed exceeds the pre-alarm trip a warning is initiated.
The
icon will illuminate.
Overspeed is not delayed, it is an immediate warning.
UNDERSPEED, if the engine speed falls below the pre-set pre-alarm after the Safety On timer has expired, a
warning is initiated.
The
icon will illuminate.
GENERATOR HIGH FREQUENCY if the module detects a generator output frequency in excess
of the pre-set pre-alarm, a warning is initiated.
The
icon will illuminate.
Generator High Frequency is not delayed, it is an immediate warning.
GENERATOR LOW FREQUENCY, if the module detects a generator output frequency below the
pre-set pre-alarm after the Safety On timer has expired, a warning is initiated.
The
icon will illuminate.
GENERATOR HIGH VOLTAGE if the module detects a generator output voltage in excess of the pre-set trip a
shutdown is initiated.
The
V
icon will illuminate.
High voltage is not delayed, it is an immediate shutdown.
GENERATOR LOW VOLTAGE if the module detects a generator output voltage below the below the pre-set pre-
alarm after the Safety On timer has expired, a warning is initiated.
The
V
icon will illuminate.
4.3 HIGH CURRENT WARNING ALARM
GENERATOR HIGH CURRENT, if the module detects a generator output current in excess of the pre-set trip a
warning is initiated.
The
A
icon will illuminate.
If this high current condition continues for an excess period of time, then the alarm is escalated to a shutdown
condition. For further details of the high current alarm, please see High Current Shutdown Alarm.
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