DSE Model 5510 Autostart Control and Instrumentation System Operators Manual
057-015 5510 OPERATING MANUAL ISSUE 11 07/07/09 AM
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If the module has been configured for synchronising and has speed control of the engine governor,
during off load running, the engine speed can be changed using the “running editor”. The speed
control options are not displayed in the editor unless the engine is running OFF LOAD in MANUAL
MODE.
Details of how to access the ‘running editor’ are contained elsewhere in this manual.
The generator will run off load unless:
1. A Remote Start on load signal is applied
2. An on-load run is configured in the scheduler.
3. The
Close Generator button is pressed.
On a multi-set system, if the common generator bus is live, the 5510 module will first synchronise
the generator to the bus before closing the Generator Contactor/Breaker to close.
A ‘token‘ is held by the module that first closed onto the dead bus and as only one token exists, this
prevents other sets in the system from attempting to close their own breakers.
For added security, the modules also monitor the bus. If this is found to be live, then the
synchronisation process begins.
During the parallel run the module can be configured to either run at a fixed level output, such as
when used in parallel with an infinite bus. Alternatively, it can be configured to load share with other
generators on the bus. For full details of these mode please refer to the manual ‘The Guide to sync
and load share Pt1’
•
If the
Open Generator
button is pressed while in parallel, the module will ramp the load
on the remaining generators and then open the generator contactor/breaker.
•
If the
Open Generator
button is pressed and the generator is connected to the
common generator bus then the load is ramped off the generator and the contactor/breaker is
opened.
If Auto mode is selected and the remote start on load signal not active, and the scheduler is not
calling for a run, then the Return Delay Timer will start.
Once this has expired then the module will exit parallel operation and will ramp the load back to the
remaining generators. It will then open the Generator Contactor/Breaker. The generator will then
run off load allowing the engine a cooling period.
Selecting STOP (O) de-energises the FUEL SOLENOID, bringing the generator to a stop.
WARNING: - Operation of the STOP button in any mode will stop the generator
operation and return the load switching system to a safe state. This operation may lead to
loss of supply to the load. It is recommended that the STOP button is only operated once
the generator is OFF LOAD and the mains supply provides power to the load.
NOTE: - Synchronising can be disabled if the application does not require this function.
Contact your genset supplier in the first instance for further details.
NOTE: - When synchronising is enabled, the bus is checked before closing any load
switching device. If the bus is live, synchronising will take place before any closure takes
place.
NOTE:- Upon closing the load switching device, the module checks that the bus
becomes live. If it does not, an alarm is generated to indicate the problem.
