HEM4300 Engine Controller User Manual Page 13 of 55
load control;
b)
If “Cooling Time” is configured, then “cooling delay” starts; when cooling delay is over, it enters
“Stop Idle Delay”;
c)
When it enters stop idle delay (if configured), then idle relay is energized to output;
d)
It enters “ETS Delay”, and ETS relay is energized to output; fuel relay output is disconnected;
e)
It enters “Wait Stop Time”, and automatically judges whether it stops completely;
f)
When engine stops completely, it enters “After Stop Time”; Otherwise controller enters stop failure
and issues “Stop Failure” warning (after the alarm is issued, if engine stops completely, then it
enters “After Stop Time”, and meanwhile “Stop Failure” alarm is removed automatically);
g)
When “After Stop Time” is over, it enters standby status.
4.5
EMERGENCY START
Press
and
simultaneously and engine can be started forcibly. At this time controller
doesn't detect the unit crank disconnect by crank conditions. Starter’s disconnect is controlled by the
operator. When operator observes the unit has started, he/she should release the key. Then starter
stops outputting and controller enters safety run delay.
4.6
EXTERNAL KEY START/STOP
When instrument mode or external key start is active, if controller detects speed or oil pressure
reaches set crank disconnect conditions, external key start is active. After delay 1s, controller enters
normal running. When speed and oil pressure do not meet conditions, external key stop is active. After
delay 1s, controller enters standby. In normal running, controller can manually adjust speed, alarm
protection and other functions are active.
4.7
SPEED CONTROL
4.7.1
KEY SPEED CONTROL
After setting manual speed control, select speed control type: 0: Key Speed Control.
Press
key, then it enters speed control interface; press , engine speed increases set step
value (default 100r/min); press , engine speed decreases set step value (default 100r/min); press
or
to exit speed control mode and return to homepage.
Fig.2 Speed Control Interface
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