8.2.4 SYNC CHECKS
CAUTION!: Failure to perform the Metering steps results in in serious damage to the
system (breakers, bus bars, alternators, engines etc) caused by out of sync closures.
Check to ensure that all the module’s sensing cables have been connected to the correct phases and
that the generator’s load switch has been correctly connected. Failing to perform such tests may lead
to the DSE module sensing both sides of the breaker as in sync
This is tested by starting the generator with the DSE module and ensuring the generator load switch is
left open (activate an input configured for Generator Load Inhibit). Then the generator common bus is
to be made live, this is achieved by starting another generator and closing its load switch. Across the
open load switch, connect a voltage meter to measure the AC voltage when the DSE module shows
the two supplies in sync.
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