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Operating Instructions
Carbon-Series Speed Controller
15 Turns/75A
Item No. 2182212
Intended Use
The speed controller is used for smooth electronic speed control for carbon-brush motors and is connected
to a free channel of the receiver in a model vehicle. The control unit is programmed with the help of the
integrated programming card.
Contact with moisture, e.g. in bathrooms, must be avoided under all circumstances.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use the product
for purposes other than those described above, the product may be damaged. In addition, improper use can
result in short circuits, fires or other hazards. Read the instructions carefully and store them in a safe place.
Make this product available to third parties only together with its operating instructions.
This product complies with the statutory national and European requirements. All company names and
product names are trademarks of their respective owners. All rights reserved.
Delivery Content
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Speed controller
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Operating instructions
Up-to-date Operating Instructions
Download the latest operating instructions at www.conrad.com/downloads or scan the QR
code shown. Follow the instructions on the website.
Explanation of Symbols
The symbol with the exclamation mark in the triangle is used to indicate important information in
these operating instructions. Always read this information carefully.
The arrow symbol indicates special information and advice on operation.
Safety Instructions
Read the operating instructions carefully and especially observe the safety information.
If you do not follow the safety instructions and information on proper handling in this
manual, we assume no liability for any resulting personal injury or damage to property.
Such cases will invalidate the warranty/guarantee.
a) General Information
• The device is not a toy. Keep it out of the reach of children and pets.
• Do not leave packaging material lying around carelessly. This may become dangerous playing
material for children.
• Protect the product from extreme temperatures, direct sunlight, strong jolts, high humidity,
moisture, flammable gases, steam and solvents.
• Do not place the product under any mechanical stress.
• If it is no longer possible to operate the product safely, take it out of operation and protect it
from any accidental use. Safe operation can no longer be guaranteed if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stresses.
• Please handle the product carefully. Jolts, impacts or a fall even from a low height can damage
the product.
• The product should not be allowed to become damp or wet.
• Always turn on the transmitter first and put the throttle in neutral position. Then the speed
controller may be connected to a battery pack and switched on. When switching off, precede
in reverse order – first switch off the speed controller and disconnect it from the rechargeable
batteries, then switch off the transmitter.
• Before turning off the transmitter, turn off the speed controller and, if necessary, disconnect
it from the battery.
• Disconnect the rechargeable battery from the speed controller whenever the speed controller
is not needed.
• The speed controller can be temporarily switched off using the on/off switch.
• The speed controller is designed for 6-7 cell NiMH/NiCd batteries or 2 cell LiPo or LiFe
batteries.
• The maximum permissible speed controller output is limited to 500 Watt for 5 minutes.
Depending on the battery voltage used, this results in different maximum permissible
currents. For this, always observe the technical data in these operating instructions. If the
threshold values are not observed, the motor and/or speed controller can be destroyed. Loss
of guarantee/warranty!
• Both speed controller and the battery can become very hot during operation. Danger of
burning!
• When operating vehicles, make sure that no body parts or other objects come into contact
with moving parts. Risk of injury!
• Always use a battery pack to operate the speed controller. Never use a power supply.
• Only connect a single carbon-brush motor to the speed controller. The speed controller is not
suitable for the operation of brushless motors with three connections!
• When installing the components, keep the greatest possible distance between the receiver
and the speed controller/motor to avoid interference.
• Do not install the aerial cable of the receiver in a parallel position to current-carrying cables.
Do not coil up the aerial cable. For example, use an aerial tube which protrudes from the
vehicle in a perpendicular position.
• When the model is operated, the speed controller must be cooled sufficiently.
• Do not block the drive. The resulting currents may destroy the motor and/or speed controller.
• Observe a smooth drive section and perform regular maintenance.
• Check the vehicle and the speed controller/motor for damage. If you discover any damage, do
not operate the vehicle or the speed controller/motor anymore.
• Before recharging the rechargeable battery, disconnect it from the speed controller.
• Consult an expert when in doubt about the operation, safety or connection of the appliance.
• Maintenance, modifications and repairs must only be completed by a technician or an
authorised repair centre.
• If you have questions which remain unanswered by these operating instructions, contact our
technical support service or other technical personnel.
b) Connected devices
• Also observe the safety and operating instructions of any other devices which are connected
to the product.
Operating Elements
2
1
4
5
6
7
Operation
a) Installation
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If the product is to be used as a replacement for an existing speed controller, first remove the old speed
controller from your model.
•
Install the speed controller in the chassis. Choose a position which is as far away as possible from the
receiver. The speed controller should not be directly next to the motor either.
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You can use hook-and-loop tape or double-sided tape to attach the speed controller. The speed controller
must be installed so that the cooling body is exposed to sufficient driving wind (cooling air).
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Connect the cables of the speed controller to those of the motor. Observe the colour coding. The forward/
reverse motion of the motor is then correct in combination with the speed controller (blue cable = motor
minus pole, orange cable = motor plus pole). If the motor is rotating in the wrong direction (depending
on the transmission of the vehicle), simply swap the two motor connections. The motor now rotates in
the opposite direction.
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The on/off switch should be attached so that it can be operated easily. Use hook-and-loop tape or double-
sided tape to attach the switch.
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Install all cables so that they cannot become entangled in rotating or moving parts of the vehicle. Use
cable ties to secure them.
b) Connection to the Receiver
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Connect the three-pole plug of the speed controller to the corresponding channel of the receiver.
Make sure the assignment on the receiver is correct (see operating instructions of the receiver as well
as the information on the receiver).
Yellow/white/orange cable: Control signal
Red cable: Operating voltage
Brown/black cable: GND/Minus/Ground
Since the speed controller is equipped with a BEC, no receiver battery or rechargeable battery
must be used!
The receiver is powered with operating voltage by the vehicle battery directly through the speed
controller.
If a separate receiver is to be used instead of the integrated BEC, the middle, red, wire of the
three-pole receiver plug of the speed controller must be interrupted.
If this is not observed, the speed controller will be destroyed! Loss of guarantee/warranty!
3
1 Battery connection (System
Tamiya)
2 Heat sink
3 Motor connection cable
4 On/off switch
5 LED display
6 Programming button
7 Servo plug for connection to the
receiver
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