HGM400N Series Genset Controller User Manual Page 9 of 38
9) After the “Warming up” delay, 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; genset will take load; generator power indicator will illuminate and generator will
enter into Normal Running status. If voltage or frequency is abnormal, the controller will initiate
shutdown alarm (alarm information will be displayed on LCD).
Auto Stop Sequence,
1) HGM420N: During normal running process, if mains becomes normal, controller enters into “Mains
Normal Delay”. When mains indicator illuminates, “Stop Delay” is initiated.
2) HGM410N: When the “Remote Start” signal is inactive, the Stop Delay is initiated.
3) Once this “Stop Delay” has expired, the Generator Breaker will open and the “Cooling Delay” is then
initiated. After “Transfer Delay”, the mains close relay will be energized; mains will take load; generator
power indicator will extinguish while mains power indicator will illuminate.
4) During “Stop Idle” Delay (if configured), idle relay is energized.
5) “ETS Solenoid Hold” begins, ETS relay is energized while fuel relay is de-energized.
6) “Fail to Stop Delay” begins, complete stop is detected automatically.
7) Generator is placed into its standby mode after its complete stop. Otherwise, fail to stop alarm is
initiated and the corresponding alarm information is displayed on LCD.
4.4 MANUAL START/STOP OPERATION
1) HGM420N: Manual mode is selected by pressing the button; a LED beside the button will
illuminate to confirm the operation. In this mode, press button to start the genset, it can
automatically judge crank success and accelerate to high speed running. If high temperature, low oil
pressure, over speed and abnormal voltage occur during genset running, controller can effectively
protect genset to stop (for detail procedures please refer to No.4~9 of auto start sequence). In Manual
Mode, load switch won’t auto-transfer. It needs to press to enter close/open interface, and it
controls mains switch to close/open by pressing and controls gen switch to close/open by
pressing .
2) HGM410N: Manual mode is selected by pressing the button; the LED beside the button will
illuminate to confirm the operation and start the genset. It can automatically judge crank success and
accelerate to high speed running. If high temperature, low oil pressure, over speed and abnormal
voltage occur during genset running, controller can effectively protect genset to stop (for detail
procedures please refer to No.4~9 of auto start sequence). After genset high speed normal running, It
needs to press to enter close/open interface, and it controls mains switch to close by pressing
and controls gen switch to open by pressing (gen is on load).
3) Manual stop: pressing key can stop the running genset. (For detail procedures please refer to
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