HEM4300 Engine Controller User Manual Page 12 of 55
>Preheat time
Screen 4:
for entering setting (screen 5). for returning
to previous unselected status (screen 3).
>Fuel time
00001
>Crank time
>Crank rest time
>Safety run time
>Start idle time
>Warming up time
>Cooling time
>Stop idle time
>ETS time
>Preheat time
Screen 5:
,
for changing cursor position,
,
for
changing cursor value,
for confirming setting.
After setting is confirmed, parameters will be
automatically saved in system internal storage,
for exiting setting.
>Fuel time
00001
>Crank time
>Crank rest time
>Safety run time
>Start idle time
>Warming up time
>Cooling time
>Stop idle time
>ETS time
NOTE:
Press
or long press
can directly exit setting.
4.4
MANUAL START/STOP OPERATION
4.4.1
START SEQUENCE
a)
Press
and start engine;
b)
If preheat time is configured, then preheat relay outputs
(if configured); LCD displays “Preheat
Delay xx”;
c)
After preheat delay is over, fuel relay outputs the pre-set fuel time before start (default: 1s), then
crank relay outputs; If engine crank disconnect fails during “Crank Time”, then fuel relay and crank
relay stop outputting, and enter “Crank Rest Time”, waiting for next crank;
d)
After the pre-set start attempts, if engine doesn't succeed to start, then controller issues crank
failure shutdown, meanwhile LCD alarm page displays “Crank Failure” alarm;
e)
During any one of the start attempts, if crank disconnect is fulfilled, then it enters "Safety Run Time",
during which oil pressure low, water temperature high, charging failure alarms are all inactive; after
safety run time it enters “Start Idle Delay” (if configured);
f)
During start idle
delay, after it is over, engine enters “Warming Up Time” (if configured);
g)
When warming up time is ended, engine enters normal running status; if speed is abnormal,
controller shall issue alarms and stops it (LCD alarm page displays alarm information).
4.4.2
STOP SEQUENCE
a)
Press
, and stop the running engine; before stop if load control outputs, then disconnect
