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Bosch operating instructions
Bosch operating instructions
English – 2
0 275 007 XD2 | (25.04.2018)
Bosch eBike Systems
Technical data
Drive unit
Active Line
Performance Line
Performance
Line CX
Cruise
Speed
Product code
BDU250C
BDU255C
BDU250P
BDU290P
BDU250P CX
Continuous rated power
W
250
250
250
250
Torque at drive, max.
Nm
50
63
63
75
Rated voltage
V =
36
36
36
36
Operating temperature
°C
-5 to +40
-5 to +40
-5 to +40
-5 to +40
Storage temperature
°C
-10 to +50
-10 to +50
-10 to +50
-10 to +50
Protection rating
IP 54 (dust- and
splash-proof)
IP 54 (dust- and
splash-proof)
IP 54 (dust- and
splash-proof)
IP 54 (dust- and
splash-proof)
Weight, approx.
kg
4
4
4
4
Bicycle lights
A)
Voltage approx.
B)C)
V =
6/12
Maximum power
– Front light
W
8.4/17.4
– Taillight
W
0.6/0.6
A)
Depends on legal regulations, not possible in all coun-
try-specific models via the eBike battery
B)
The voltage level is preset and can only be changed by
the bicycle dealer.
C)
When changing the bulbs, ensure that they are compat-
ible with the Bosch eBike system (ask your bicycle
dealer) and are suitable for the specified voltage. Bulbs
must only be replaced with bulbs of the same voltage.
Inserting a bulb incorrectly can cause it to blow.
Assembly
Inserting and removing the battery
For inserting and removing the eBike battery in/from the
eBike, please read and observe the battery operating in-
structions.
Checking the speed sensor (see figure A)
The speed sensor (2) and its spoke magnet (3) must be fit-
ted such that the spoke magnet moves past the speed
sensor at a distance of at least 5 mm and at most 17 mm
with each rotation of the wheel.
Note: If the distance between the speed sensor (2) and the
spoke magnet (3) is too small or too large, or if the speed
sensor (2) is not properly connected, the speedometer dis-
play will fail and the eBike drive unit will operate in emer-
gency mode.
Should this occur, loosen the screw of the spoke magnet
(3)
and fasten the spoke magnet to the spoke such that it runs
past the marking on the speed sensor at the correct clear-
ance. If the speed is still not being indicated on the speedo-
meter display after doing this, please contact an authorised
bicycle dealer.
Operation
Start-up
Requirements
The eBike system can only be activated when the following
requirements are met:
– A sufficiently charged battery is inserted (see battery op-
erating instructions).
– The on-board computer is properly inserted in the holder
(see on-board computer operating instructions).
– The speed sensor is correctly connected (see "Checking
the speed sensor (see figure A)", page English – 2).
Switching the eBike system on/off
The following options are available for switching on the
eBike system:
– If the on-board computer is already switched on when you
insert it into the holder, the eBike system will be switched
on automatically.
– When the on-board computer and the eBike battery are
inserted, briefly press the On/Off button of the on-board
computer.
– With the on-board computer inserted, push the On/Off
button on the eBike battery (bicycle manufacturer-spe-
cific solutions are possible whereby there is no access to
the battery On/Off button; see the battery operating in-
structions).
Note: The eBike system always starts in OFF mode for drive
units with a maximum speed of more than 25 km/h.
The drive is activated as soon as you start pedalling (except
for in the push assistance function, (see "Switching the push
assistance on/off", page English – 4)). The motor output
depends on which assistance level is set on the on-board
computer.
As soon as you stop pedalling when in normal operation, or
as soon as you have reached a speed of 25/45 km/h, the
eBike drive unit switches off the assistance. The drive is
automatically re-activated as soon you start pedalling again
and the speed is below 25/45 km/h.
The following options are available for switching off the
eBike system:
– Press the On/Off button of the on-board computer.
– Switch off the eBike battery using its On/Off button (bi-
cycle manufacturer-specific solutions are possible
whereby there is no access to the battery On/Off button;
see the bicycle manufacturer operating instructions).
– Remove the on-board computer from its holder.
If the eBike is not moved for approx. 10 min and no button is
pressed on the on-board computer, the eBike system
switches off automatically in order to save energy.
eShift (optional)
eShift is the integration of electronic gear-shifting systems
into the eBike system. The eShift components are electric-
ally connected to the drive unit by the manufacturer. The
separate operating instructions describe how to operate the
electronic gear-shifting systems.
Setting the assistance level
You can set the level at which the eBike drive assists you
while pedalling on the on-board computer. The assistance
level can be changed at any time, even while cycling.
Note: In some models, the assistance level may be preset
and cannot be changed. There may also be fewer assistance
levels available than stated here.
If the manufacturer has configured the eBike with eMTB
Mode, the assistance level SPORT is replaced by eMTB. In
eMTB Mode, the assistance factor and torque are dynamic-
ally adjusted according to the force you exert on the pedals.
eMTB Mode is only available for Performance Line CX
drives.
The following assistance levels are available as a maximum:
– OFF: Motor assistance is switched off. The eBike can just
be moved by pedalling, as with a normal bicycle. The
push assistance cannot be activated at this assistance
level.
– ECO: Effective assistance with maximum efficiency, for
maximum range
– TOUR: Steady assistance, long range for touring
– SPORT/eMTB:
SPORT: Powerful assistance, for mountain biking and for
cycling in urban traffic
eMTB: Optimum assistance whatever the terrain, rapid
acceleration when starting from a standstill, improved dy-
namics and top performance
– TURBO: Maximum assistance even at high pedalling
speeds, for biking sports
The requested motor output appears on the display of the
on-board computer. The maximum motor output depends on
which assistance level is selected.
Assistance level
Assistance factor
A)
Active Line
Performance Line
Performance Line CX
Cruise
Speed
ECO
40%
50%
55%
50%
TOUR
100%
120%
120%
120%
SPORT/eMTB
150%
190%
190%
210% to 300%
B)
TURBO
250%
275%
275%
300%
A)
The assistance factor may vary in some models.
B)
Maximum value
English – 3
Bosch eBike Systems
0 275 007 XD2 | (25.04.2018)
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