CONNECTING TO THE GENERATOR SET | PAGE 11
In this mode, the transfer switch controller is congured to consider there to be
genset stopped conditions not ordered by the transfer switch controller. The oper-
ating conditions that this mode considers are:
• Cancels the cooling time at the generator set stop. The genset is
considered to already carry out a cooling process before performing
the engine stop.
• The genset quality alarms (minimum and maximum voltage, minimum
and maximum frequency, phase voltage sequence and asymmetry)
do not cause the generator set to stop, but they open the genset
contactor. The group contactor is closed when the condition that
caused the genset signal quality alarm disappears without the need
for the operator to reset the alarm.
• The genset signal drop is not considered to be an alarm since there
may be external conditions that cause the generator set to stop. The
genset signal drop condition causes the genset contactor to open.
The external control mode on the generator set is programmed in the CEC7 con-
trol unit (Regulations table, parameter 30, value 3).
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