HGM6100U Series Automatic Control Module
HGM6100U Automatic Genset Controller ISSUE 2014-10-28 Version 1.2 Page 10 of 39
4.3 AUTOMATIC START/STOP OPERATION
Auto mode is activated by pressing the , LED indicator beside the button is
illuminating which confirms this action.
Starting Sequence,
1) HGM6120UC: When mains is abnormal (over/under voltage, lack of phase), enter
into “Mains Abnormal Delay” and LCD displays count-down time. When delay is over,
“Start Delay” begins.
2) HGM6110UC: when “remote start” input is active, enter into “Start Delay”.
3) “Count- down” of start delay is displayed in LCD.
4) When start delay is over, preheat relay is outputting (if configured), “Preheat Delay
XX s” is displayed in LCD.
5) When preheat delay is over, fuel relay is outputting for 1s and then start relay outputs;
if genset failed to start during “Crank Time”, the fuel and start relay stop outputting
and enter into “Crank Rest Time” and wait for next cranking.
6) If genset failed to start within set start times, the fourth line of LED will turn black and
Fail to Start alarm will be displayed.
7) Any time to start genset successfully, it will enter into “Safe Running”. During this
period, alarms of low oil pressure, high temperature, under speed, charge failure and
Aux. input (be configured) are disabled. As soon as this delay is over, genset will
enter into “Start Idle Delay” (if configured).
8) During start idle delay, alarms of under speed, under frequency, under voltage are
disabled. As soon as this delay is over, genset will enter into “Warming up Delay” (if
configured).
9) When “Warming up Delay” is over, the indicator is illuminating if gens normal. If
voltage and frequency of engine reach the load requirement, close relay outputs,
genset is taking load and indicator illuminates; if engine voltage or frequency is
abnormal, controller will alarm and shutdown (LCD displays the alarm information).
Stopping Sequence,
1) HGM6120UC: during normal running, if mains normal, genset will enter into “Mains
Normal Delay”, when mains indicator illuminates, “Stop Delay” begins.
2) HGM6110UC: genset enters into “Stop Delay” as soon as “Remote Start” is inactive.
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