Murphy EMS-GC10, Operator'S Manual

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Section 75 00-02-0878
2013-03-07 - 19 -
When the mains returns, the unit will switch back to mains supply and cool down and
stop the genset. The switching back to mains supply is done when the adjusted "Mains
OK delay” has expired.
NOTE: For a general description of the available running modes,
please refer to the chapter "Running mode description".
Island Operation
Auto Mode Description:
The unit automatically starts the genset and closes the generator breaker at a digital
start command. When the stop command is given, the generator breaker is tripped, and
the genset will be stopped after a cooling down period. The start and stop commands
are used by activating and deactivating a digital input or with the time-dependent
start/stop commands. If the time-dependent start/stop commands are to be used, the
auto mode must also be used.
NOTE: For a general description of the available running modes,
please refer to the chapter "Running mode description".
Load Takeover
Auto Mode Description:
The purpose of the load takeover mode is to transfer the load imported from the mains
to the genset for operation on generator supply
The unit automatically starts the genset and closes the generator breaker at a digital
start command. When the stop command is given, the generator breaker is tripped, and
the genset will be stopped after a cooling-down period. The start and stop commands
are used by activating and deactivating a digital input or with the time-dependent
start/stop commands. If the time-dependent start/stop commands are to be used, then
the auto mode must also be used.