Rotax 915 i A SERIES - Page 39

Effectivity: 915 i A Series
Edition 0 / Rev. 0
BRP-Rotax Page 3-7
December 01 2017
ATTENTION
Only switch on one fuel pump when starting the engine. Switching
on both fuel pumps can lead to a bad start behavior.
Step Step Description Procedure
3 Activate ECU HIC A: A connection between
Terminal 1 and Terminal 7 will
power ECU Lane A.
HIC B: A connection between
Terminal 1 and Terminal 9 will
power ECU Lane B.
Example
(Symbolic)
Lane select Switch A: ON
Lane select Switch B: ON
4 Temporary supply
engine with external
power supply
X3: A connection between Ter-
minal 2 and Terminal 3, and be-
tween airframe ground and
EMS ground will activate Start
Power.
The temporary power supply
must be maintained during
steps 4, 5, 6.
Example
(Symbolic)
Start Power Switch: HOLD
5
Check if Warning In-
dicators illuminate
and extinguish after
around 3 seconds.
HIC A: 12 V voltage drop be-
tween Terminal 2 and Terminal
8 for 3 seconds.
HIC B: 12 V voltage drop be-
tween Terminal 2 and Terminal
10 for 3 seconds.
Example
(Symbolic)
Warning Lamp A. Check
Warning Lamp B: Check
6 Set Throttle Valve Set linearized throttle position
according to diagram section
3.3 Fig. Throttle position.
Example
(Symbolic)
Set Throttle.
7
Start Engine HIC B: A connection between
Terminal 4 and Terminal 12 ac-
tuates the starter. The connec-
tion must persist until the
engine speed exceeds 1500
rpm.
Example
(Symbolic)
Start Button: HOLD