InteliLite4 AMF20 Global Guide
104
Note: If all generator parameters are OK and Minimal Stabilization Time (page 237) elapsed, indicates
that GCB is possible to close. In AUTO Mode GCB is closed in this moment automatically.
Note: The start-up sequence can be interrupted atn any time by a stop request.
5.5.3 Engine start
Diesel engine
The setpoint Fuel Solenoid (page 225) must be switched to the Diesel position.
After the command for start is issued (pressing the Start button in MAN mode, auto start condition is
fulfilled in AUTO mode or controller is switched to TEST mode), PRESTART (PAGE 496) and GLOW PLUGS
(PAGE 484) outputs are energized for a time period established by the setpoints Prestart Time (page
227) and Glow Plugs Time (page 228).
After Prestart Time (page 227) and Glow Plugs Time (page 228), the output FUEL SOLENOID (PAGE
477) is energized after Fuel Solenoid Lead (page 235) the motor starter is activated by energizing the
output STARTER (PAGE 501).
When one or more of following conditions is met, the starter output is de-energized:
The engine speed exceeds the value of Starting RPM (page 227), or
One of the Additional running engine indications (page 114) signals is active.
The controller remains in the Starting phase until the engine speed exceeds the value of Starting RPM
(page 227), after which it is considered started and the Idle period will follow.
The maximum duration that the output STARTER (PAGE 501) is energized is determined by the setpoint
Maximum Cranking Time (page 226). If the engine does not start within this period, the output STARTER
(PAGE 501) is de-energized and a pause with a length determined by Cranking Fail Pause (page 226)
will follow. PRESTART (PAGE 496) and GLOW PLUGS (PAGE 484) outputs are active during the pause. After
the pause has elapsed, the next start attempt is executed. The number of start attempts is given by the
setpoint Cranking Attempts (page 225).
Once the engine is started, the Idle period follows. The binary output IDLE/NOMINAL (PAGE 487) remains
inactive (as it was during the start). The idle period duration is adjusted by the setpoint Idle Time (page
235).
After the idle period has finished, the output IDLE/NOMINAL (PAGE 487) is activated and the start-up
sequence is finished. The Stabilization (page 108) phase follows.
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