Reference
Modification-No.
- 0 -
Page
85
Date
1996 05 10
Install
914 F
▲ WARNING: The TCU comprises electronic components and is therefore
completely sealed. The TCU is allowed to be opened only
by persons authorized by BOMBARDIER-ROTAX!
➪ connections: + terminal: flexible cable 0,75 mm
2
white No. 1*
-
terminal: flexible cable 0,75 mm
2
white No. 25*
* from the 36 pole plug receptacle of the TCU with cable eye 4,2 mm dia.
to DIN 46225
➪ fuse:
The TCU has to be protected by a slow blowing 5A fuse in accordance with
the wiring diagram, Ill. 52.
19.4.9) Isolating switch for servo motor
See Ill. 52.
The isolating switch serves to break the circuit of the servo motor for a short
time in case of surging of the TCU.
After a short hunting stable operation should follow.
➪ design: 2 pole on-off switch (Ill. 52 Pos.)
■ ATTENTION: The isolating switch has to be designed such that it is safe for
"off" by mistake or unintentionally. The fix and secured
position is "ON".
➪ switching voltage:min. 100 V
➪ switching current: min. 2 A
➪ place of installation:
On the instrument panel in the pilot's field of view, anytime and easy to
reach.
Installation instruction:
The isolating switch has to be installed directly into the lines from 36 pole plug
receptacle to servo motor.
■ ATTENTION: The servo motor is connected to DC supply. The polarity
(wire 2 and 14) of the cables must not be changed, otherwise
the sense of rotation would be reversed and control would be
rendered ineffective.
To avoid any mix-up of the polarity sever first one cable and connect on switch
as per wiring diagram (Ill. 52).
After first cable is connected sever second wire and connect also to switch.
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