DSE Model 5110 Automatic Start Engine Management Instrumentation System
Part No. 057-009 5110 Operating Manual Issue 3.3 3/1/2006
9
4.1 AUTOMATIC MODE OF OPERATION
This mode is activated by pressing the
pushbutton. An LED indicator beside the button
confirms this action.
When a
Remote Start
signal is applied to the remote start input, the following sequence is initiated:-
The
Remote Start Active
indicator illuminates (if configured).
To allow for false signals the Start Delay timer is initiated. After this delay, if the pre-heat output option is
selected then the pre-heat timer is initiated, and the corresponding auxiliary output (if configured) will
energise.
NOTE:- If the Remote Start signal is removed during the Start Delay timer, the unit will return
to a stand-by state.
After the above delays the
Fuel Solenoid
is energised, then one second later, the
Starter Motor
is
engaged.
The engine is cranked for a pre-set time period. If the engine fails to fire during this cranking attempt then
the starter motor is disengaged for the pre-set rest period. Should this sequence continue beyond the set
number of attempts (fixed at 3), the start sequence will be terminated and
Fail to Start
fault will be displayed accompanied by a flashing shutdown
symbol.
When the engine fires, the starter motor is disengaged and locked out at a pre-set frequency from the
Alternator output. Alternatively a Magnetic Pickup mounted on the flywheel housing can be used for
speed detection (This is selected using the front panel editor).
After the starter motor has disengaged, the
Safety On
timer is activated, allowing Oil Pressure, High
Engine Temperature, Under-speed, Charge Fail and any delayed Auxiliary fault inputs to stabilise without
triggering the fault.
Once the engine is running, the
Warm Up
timer, if selected is initiated, allowing the engine to stabilise
before accepting the load.
If an auxiliary output has been selected to give a
load transfer
signal, this would then activate.
NOTE:-A load transfer will not be initiated until the Oil Pressure has risen. Thus preventing
excessive wear on the engine.
NOTE:- If the remote start input is removed before the warming timer expires, the set will
shut down after the warming timer.
On removal of the
Remote Start
signal, the
Stop
delay timer is initiated, once it has timed out, the
load
Transfer
signal is de-energised, removing the load. The
Cooling
timer is then initiated, allowing the
engine a cooling down period off load before shutting down. Once the
Cooling
timer expires the
Fuel
Solenoid
is de-energised, bringing the generator to a stop.
Should the
Remote Start
signal be re-activated during the cooling down period, the set will return on
load.
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