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4-4 Operation MN2415
AE11 Operating Procedures
The AE11 engine controller is programmable and it’s internal workings is more complex than the
other AE series generators.
Auto Start Operation
This mode is activated by pressing the Auto pushbutton, see Figure 4-2. An LED indicator
beside the button lights in Auto mode. The start sequence is initiated when the remote start input
from the transfer switch or other device is activated. To prevent a false remote start, the Start
Delay timer is initiated. If the Remote Start signal is removed during the Start Delay timer, the
unit returns to stand−by. After the Start Delay, if the pre−heat output option is selected, the
pre−heat timer is starts, and the corresponding auxiliary output (if configured) will energize.
After these delays, the Fuel Solenoid is energized, then one second later, the Starter Motor is
engaged. The engine is cranked for a 10−second period. If the engine fails to start, the starter
motor is disengaged for a 10−second rest period. Should this sequence continue beyond the 3
starting attempts, the start sequence will be terminated and Fail to Start fault will be illuminated.
When the engine starts, the starter motor is disengaged and locked out at 20 Hz measured at the
Alternator output. (Rising oil pressure can also be used to disconnect the starter motor, however
it cannot be used for under speed or over speed detection).
When the starter motor has disengaged, the Safety On timer starts. This timer is preset to 12
seconds and allows engine speed, Oil Pressure, High Engine Temperature, Under−speed,
Charge Fail and Auxiliary fault inputs to stabilize without triggering a fault. Once the engine is
running, the Warm Up timer starts (if selected). This allows the engine to stabilize before the
load is switched on. After the Warm Up delay, the AC output is switched on to operate the load.
When the Remote Start signal is removed, the Stop Delay timer is initiated. After which the Load
Transfer output (if configured) is deactivated, and the Cool Down Period is initiated. After the
Cool Down Period has elapsed, the Fuel Solenoid is de−energized, bringing the generator to a
stop.
Manual Operation There is no “Start Delay” in Manual Run.
This mode is activated by pressing the Manual Run pushbutton, see Figure 4-2. If the pre−heat
output option is selected, the pre−heat timer is starts, and the corresponding auxiliary output (if
configured) will energize. After this delay, the Fuel Solenoid is energized, then one second later,
the Starter Motor is engaged. The engine is cranked for a 10−second period. If the engine fails to
start, the starter motor is disengaged for a 10−second rest period. Should this sequence continue
beyond the 3 starting attempts, the start sequence will be terminated and Fail to Start fault will be
illuminated. When the engine starts, the starter motor is disengaged and locked out at 20 Hz
measured at the Alternator output. (Rising oil pressure can also be used to disconnect the starter
motor, however it cannot be used for under speed or over speed detection).
When the starter motor has disengaged, the Safety On timer starts. This timer is preset to 12
seconds and allows engine speed, Oil Pressure, High Engine Temperature, Under−speed,
Charge Fail and Auxiliary fault inputs to stabilize without triggering a fault. Once the engine is
running, the Warm Up timer starts (if selected). This allows the engine to stabilize before the
load is switched on. After the Warm Up delay, the AC output is switched on to operate the load.
The generator will continue to run until the “Stop” or “Auto Start” mode is selected.
If Auto mode is selected, the Remote Stop Delay Timer starts. After this delay, the Fuel Solenoid
is de−energized, to stop the generator.
Selecting Stop de−energizes the Fuel Solenoid is de−energized, to stop the generator.
Warnings and Shutdowns
Warnings
Warnings are used to warn the operator of a problem fault. Battery Charge Failure, if the module
does not detect a voltage from engine mounted alternator, the lamp will illuminate. (Either 8 Volts
or 16 Volts depending on the configuration of Nominal DC Voltage). Inputs 1 and 2 can be
configured as warnings or shutdowns. The lamp will be illuminated when the input is active.
Shutdowns
Shutdowns are latching and stop the Generator. The alarm must be cleared, and the fault
removed to reset the module. In the event of a shutdown the appropriate lamp is illuminated.
The alarm condition must be corrected before a reset will take place. If the alarm condition
remains it is not possible to reset the unit (except faults that occur during the “Safety On timer”
period. These are delayed alarms, like oil pressure is low with the engine at rest).
Inputs 1 and 2 can be configured as warnings or shutdowns. The relevant lamp is illuminated
when the input is active.