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Figure 7: SMD for auto exercise mode
Manual Mode
4.2
In Manual mode, the genset starting and stopping must be done manually, through keypad input. The
controller will accept inputs and act accordingly. However, if the controller senses that the genset is in
an unhealthy state it will take appropriate action.
On first start, the engine runs in Low Idle Mode (LIM). When the “Start” key is pressed again, the engine
runs at the normal set speed.
exercise
Exercise
The genset will be ON even if the Mains is healthy during Auto Exercise Mode.
The load will not be transferred to genset even if “Load transfer is enabled” in configuration.
GCU will enter in LIM after the first 6 seconds of Auto Exercise
Exercise start time is reached and
No Warning / Electrical Trip / Shutdown Present
Engine OFF
Engine Start
Engine ON
LIM
Engine
cooling down
in LIM
Auto exerciser mode Remaining time <
(Auto exercise mode ON Duration – 6)
Time >= Auto exerciser mode ON
time or Electrical Tri
Emergency shutdown input = 1
or Genset shutdown action = 1
Time >= Genset cooling down time
and stopping conditions = 1
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