InteliLite Global Guide
105
GAS engine
The setpoint Fuel Solenoid (page 205) has to be switched to the Gas position.
After the command for start is issued (pressing Start button in MAN mode, auto start condition is fulfilled in
AUTO mode or controller is switched to TEST mode), outputs PRESTART (PAGE 621) and GLOW PLUGS
(PAGE 609) are energized for time period given by the setpoints Prestart Time (page 207) and Glow Plugs
Time (page 208).
After Prestart Time (page 207) and Glow Plugs Time (page 208), starts countdown of Sd Ventilation
Time (page 218)
After Sd Ventilation Time (page 218), the starter of engine is activated by energizing the output STARTER
(PAGE 633).
When the engine speed exceeds 30RPM, the outputs FUEL SOLENOID (PAGE 602) and IGNITION (PAGE 612)
are energized.
When the engine speed exceeds value of Starting RPM (page 207), the starter of engine is de-energized,
the engine is considered as started and the Idle period will follow.
IMPORTANT: Additional running engine indications (page 132) signals are not evaluated during the
start of a gas engine. The Pickup must be used in any case!
The maximum duration that the output STARTER (PAGE 633) is energized is determined by the setpoint
Maximum Cranking Time (page 206). If the engine does not start within this period, outputs STARTER
(PAGE 633) and FUEL SOLENOID (PAGE 602) are de-energized and a pause with length determined by
Cranking Fail Pause (page 206) will follow. PRESTART (PAGE 621), GLOW PLUGS (PAGE 609) and IGNITION
(PAGE 612) 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 205).
Once the engine is started, the Idle period follows. The binary output IDLE/NOMINAL (PAGE 612) remains
inactive (as it was during the start). The idle period duration is adjusted by the setpoint Idle Time (page
214).
After the idle period has finished, the output IDLE/NOMINAL (PAGE 612) is activated and the start-up
sequence is finished. The Stabilization (page 107) phase follows.
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