HGM9520N Genset Paralleled Controller User Manual Page 15 of 111
On load, off load and users-defined commissioning are optional. Defined commissioning can be
configured regarding load on or load off, commissioning time, and which mode it shall return after
commissioning (manual mode, auto mode and stop mode).
Clear users’ accumulation
It can clear total running time A and B, total electric energy A and B.
4.4
AUTO START/STOP OPERATION
Press the
button and the indicator beside is illuminated, which means the genset is at Auto Start
Mode.
Automatic Start Sequence:
1)
When “remote start” (on-load) is active or Mains is abnormal, “start delay” timer is initiated;
2)
“Start Delay” countdown will be displayed on genset status page;
3)
When start delay is over, preheating relay is energized (if configured), “preheat delay XX s”
information will be displayed on genset status page;
4)
After the above delay, the fuel relay is energized, and then one second later, the start relay is
engaged. During the “start time”, if the genset does not start, then fuel relay and start relay stop
outputting, and enter “crank rest time”, waiting for next crank;
5)
Should the start continues beyond the set attempts, the controller issues “start failure” and stops
the genset and at the same time alarm page on LCD displays “start failure” alarm;
6)
If it starts during the attempts, it enters “safety on time”, and during this period Low Oil Pressure,
High Temperature, Under speed and Charge Alternator Failure alarms are all inactive; After “safety
on time”, it enters “start idle delay” (if configured);
7)
During “start idle delay”, under speed, under frequency, under voltage alarms are inhibited. When
this delay is over, “warming up delay” is initiated (if configured);
8)
When one genset is running and “warming up delay” is over, if generator status is normal, its
indicator will be illuminated. If generator voltage and frequency have reached on-load requirements,
then the generator close relay will be energized; the genset will take load and generator power
indicator will be illuminated, and generator will enter normal running status. If voltage or frequency
is abnormal, the controller will initiate alarm (alarm information will be displayed on LCD);
NOTE
: When Remote Start is applied to start (Off Load), the procedure is the same as the above. But generator close
relay is deactivated, and moreover, genset is off load.
Automatic Stop Sequence:
1)
When Mains normal delay is over, Mains close relay outputs, and Mains supply indicator is
illuminated. When the Remote Start signal is removed and Mains is normal, the “stop delay” is initiated;
2)
Once this “stop delay” has expired, gen close relay is deactivated. Gen supply indicator is
extinguished. “cooling delay” timer is initiated;
3)
During “stop idle delay” (if configured), the idling speed relay is energized;
4)
“ETS solenoid hold” begins, ETS relay is energized while fuel relay is de-energized, and complete
stop is detected automatically;
5)
“Fail to stop delay” begins, and complete stop is detected automatically;
6)
When generator is stopped completely, “after stop delay” will be initiated. Otherwise, “fail to stop”
alarm is initiated and the corresponding alarm information is issued. (If generator stops successfully
after “fail to stop” alarm has initiated, “after stop delay” will be initiated and the alarm will be removed.);