Section 8. Engines & Fire Protection Eclipse 5OO Systems Manual
Copyright © — Eclipse Aviation Corporation
174 Version 2.0 April 2007
8.6 Normal Operations
8.6.1 Engine Start
Engine start is automatically controlled by the ACS and FADEC. The start sequence
is initiated by pushing in the engine start switch on the engine start switch panel and
turning it to ON/START. The automatic engine start sequence is as follows:
START/MOTORING MODES
Table 19. Start/Motoring Modes
Starting Motoring
On-Ground
Assisted
In-Flight Assisted Wet Dry
AUTOMATIC START ABORT
The FADEC provides automatic start abort functionality for failed ground starts based
on:
1. ITT Exceedance
2. No light-off
3. Hung start
4. N2 Below ‘Fuel on” Threshold
5. Loss of required inputs/outputs for FADEC during engine start
ON GROUND START SEQUENCE
1. Engine Start Switch-- ON/START
2. Electrical system is configured for start.
a. Bus Tie contactor- CLOSE
b. Right Battery Bus contactor- CLOSE
c. L and R Forward Circuit Breakers/Contactors- OPEN
3. N2- 3 to 10%
a. Starter ON
b. Fuel Shutoff valve- OPEN
c. Electric Fuel Pump- ON
d. Igniters ON
e. ITT Redline- INCREASES TO 850°C
4. N2- 15%
a. Oil Pressure rise
To Next Page
Loading...
