DSE Model 5320 Automatic Mains Failure & Instrumentation System Operators Manual
8 Part No. 057-014 5320 OPERATING MANUAL ISSUE 5.1 18/06/2007 ADM
After the starter motor has disengaged, the Safety On timer is activated, allowing Oil Pressure, High Engine
Temperature, Under-speed, Charge Fail and any delayed Auxiliary fault inputs to stabilise without triggering the
fault.
Once the engine is running, the Warm Up timer, if selected is initiated, allowing the engine to stabilise before
accepting the load.
If an auxiliary output has been selected to give a load transfer signal, this would then activate.
NOTE:-A load transfer will not be initiated until the Oil Pressure has risen. Thus preventing
excessive wear on the engine.
On the return of the mains supply, (or removal of the Remote Start signal if the set was started by remote signal) ,
the Stop delay timer is initiated, once it has timed out, the load Transfer signal is de-energised, removing the load.
The Cooling timer is then initiated, allowing the engine a cooling down period off load before shutting down. Once
the Cooling timer expires the Fuel Solenoid is de-energised, bringing the generator to a stop.
Should the mains supply fall outside limits again (or the Remote Start signal be re-activated) during the cooling
down period, the set will return on load.
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