HGM7100N GENSET CONTROLLER USER MANUAL
HGM7100N Genset Controller 2020-09-10 Version1.2 Page 10 of 47
c) When stop delay is over, close generator relay is un-energized; generator enters into “cooling down
time”. After “switch transfer delay”, Mains close relay is energized. Mains is on load and generator
indicator extinguished while mains indicator lights on.
d) Idle relay is energized as soon as entering “stop idle delay” (if configured).
e) If enters “ETS hold delay”, ETS relay is energized. Fuel relay is deactivated and whether stop or not
is auto judged.
f) Then enters gen-set “wait for stop time”, and whether stop or not is auto judged.
g) Enters “after stop time” after gen-set stopped completely. If genset failed to stop, controller will
initiate fail to stop warning (if gen-set stopped after the alarms, it will enter into “after stop time” and
fail to stop alarms will be eliminated automatically).
h) Enters standby status as soon as “after stop time” is over.
4.4 MANUAL START/STOP OPERATION
a) HGM7120N: Manual mode is selected by pressing the button, and manual mode indicator is
illuminated; In this mode, press button to start the genset, it can automatically judge crank
disconnect and accelerate to high speed running automatically. If high temperature, low oil pressure,
over speed and abnormal voltage occur during diesel genset running, controller can effectively protect
genset to stop (for detailed procedures please refer to No. d~i of 4.3.2 Auto start sequence). Under
Manual Mode, load breaker won’t transfer automatically and C/O key should be pushed
manually to enter into the C/O interface.
b) HGM7110N: Manual mode is selected by pressing the button and manual mode indicator is
illuminated; Then press button to start the generator, it can automatically judge crank
disconnect 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 detailed procedures please refer to No. d~i of 4.3.2 Auto start sequence). After genset high speed
normal running, press the key manually to close generator and generator is on-load.
c) Manual stop: pressing key can stop the running genset. (For detailed procedures please
refer to No. c~h of 4.3.3 Auto stop sequence.)
4.5 EMERGENCY START
Simultaneously pressing and in manual mode will force generator to crank. Successful
start will not be judged according to crank disconnect conditions, operator will have to crank the starter
motor manually; when operator decides that the engine has started, he/she should release the button
and start output will be deactivated, safety on delay will be initiated.
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