4.2.4 Closing the generator breaker
Mode
Procedure
REMOTE
When the controller is in REMOTE mode, the generator breaker is closed based on a remote signal, for example,
from a PLC.
LOCAL
The engine must be running to close the generator breaker. If the engine is not running, press
to start the
engine. See
Starting the engine
for more information.
To close the breaker:
1. Operator action: Press
to close the generator breaker.
a. System response: The controller synchronises the genset with the busbar. During synchronisation, the
breaker LED is yellow (flashing).
b. System response: When the genset and busbar are synchronised, the controller closes the breaker. When
the breaker is closed, the breaker LED is green.
•
If the genset and busbar are not synchronised before the synchronisation timer expires, the breaker
does not close. The synchronisation failure alarm is activated.
Switchboard
control
When the controller is under switchboard control, the display unit bottom strip push-buttons are disabled. The
generator breaker can only be closed using the switchboard.
4.2.5 Opening the generator breaker
Mode
Procedure
REMOTE
When the controller is in REMOTE mode, the generator breaker is opened based on a remote signal, for
example, from a PLC.
LOCAL
To open the generator breaker:
1. Operator action: Press
to open the generator breaker.
a. System response:
•
If load sharing is present, the controller de-loads the breaker until the load is less than the de-load
open point. During de-loading, the breaker LED is yellow (flashing). The controller then opens the
generator breaker. The breaker LED is OFF when the breaker is open.
•
If load sharing is not present or not possible, the controller immediately opens the generator breaker.
The breaker LED is OFF when the breaker is open.
Switchboard
control
When the controller is under switchboard control, the display unit bottom strip push-buttons are disabled. The
breaker can only be opened using the switchboard.
OPERATOR'S MANUAL 4189341099G UK
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