MEC 2 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM056 Rev 6 05/10/15 Thomson Technology
47
8.3.5.5.NO LOAD TEST:
• To allow a timed No Load Test of the engine/generator set while using
the AMF control application, a digital input contact from an external
timer must be programmed for NO LOAD Test (Refer to Section 9.5
for
programming details).
The sequence of operation for a No Load Test condition is as follows:
• With the utility supply normal and the generator stopped, a no load
test sequence may be initiated by closing an external exercise
timer contact to the programmed digital input for No Load Test.
• Once the external exercise timer contact closes, the engine will
start and come-up to normal operating speed and voltage. The
MEC will issue an alarm of a No Load Test condition. The
connected transfer switch will remain on the utility and the
generator will not transfer on load. Note: should the utility supply
fail, the generator will automatically transfer on load.
• The engine will continue to run as long as the external exercise
timer contact remains closed.
• Once the external exercise timer contact opens, the engine will
continue to run for its cooldown time as programmed, then it will
automatically stop.
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