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The priority on starting and stopping the generators
can be chosen on priority settings or on the amount of
running hours. In manual mode the start and stop
sequence is determined by the chosen priority
between the generators. The generator with the lowest
priority will start as the latest genset and will stop as
first. If running hours are chosen as priority the start
and stop sequence will be defined based on the actual
running hours of the different generators. The lowest
running hours will get the highest priority.
Installation wirings 4.4.4.6 Paralleling
Prior to starting parallel operation of two generators,
following connections need to be made:
– Connect the communication cable between the
generators by plugging the adapter into socket
X30.
– Connect the load with the generator.
Go via the site distribution panel (to be installed
by the customer) to connect the generator(s) with
the load. Always connect generator with the load,
and never directly with second generator.
When paralleling generators with
PMS, it is no longer necessary to use
the analogue load sharing lines. This
will be done through the PMS
communication lines. Use a screened
CAN communication cable with a
maximum total distance of
200 meters. Do not connect the cable
screen to the ground! Use a
120 Ohm resistor at both end
controllers of the PMS.
For more information on this
option, see User Manual Qc4002™
MkII and dedicated PMS manual.
1 Splitter (1626 6901 00)
2 Cable (1626 6906 00)
3 End resistor (male) (1626 6926 00)
4 End resistor (female) (1626 6927 00)
Genset 1
X30
Genset 2
X30
Genset 3
X30
Genset 4
X30
1
2
3
4
When paralleling, make sure to
disable the Earth leakage relay by
putting switch S13 into off position.
QAS 1 QAS 2
Site distribution
panel
Load
CORRECT
QAS 1 QAS 2
Load
WRONG
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