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18 Operation principle and hardware description
Layout drawings – brake module cubicle
The drawing below shows the components of the brake chopper cubicle with bottom
entry and exit of cables (shrouds removed).
A
1
2
A
Door closed
B
Door open
C
Door open, swing-out frame removed
1
DC switch/disconnector handle (part of op-
tion +F286, Q11)
2
Charging circuit switch fuse handle (part of
option +F286, Q10)
3
Control panel (A49)
4
Indicator light (P11)
5
DC fuses (F11.xx)
6
DC switch/disconnector (behind the fuses,
part of option +F286, Q11)
B
5
8
3
4
10
12
13
15
6
7
9
11
18
19
21
14
22
16
11
CIO-01 I/O module for fan monitoring (A115)
12
BCU control unit (A41)
13
Coolant inlet manifold with stop and drain
valves
14
Coolant outlet manifold with stop and drain
valves
15
PE busbar
16
Cable entries
17
Brake resistor fuses (F11.xx)
18
Brake chopper module (T11)
19
Heat exchanger (between the module and the
cooling fan)
C
17
20
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