Union Mills D11 DCC Conversion

Mistakes may damage your locomotive, controller or other accessories. Use a multimeter to make absolutely sure you have completely isolated the motor from the track before testing. Always use the Programming Track for testing. Our guides are provided for reference only, and you proceed entirely at your own risk. Unsure about something - try our DCC Conversion Service instead.

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This guide covers the Union Mills D11 models, including:

• Union Mills D11 BR Black 'Zeebrugge' 62666

Most Union Mills locos have the same tender drive arrangement. The photos below show conversion of a D11 model by mounting a hard-wired ESU LokPilot 5 decoder on top of the motor. For full step-by-step instructions, follow the T9 guide, as the steps are the same.

Note that this particular model has the smaller motor that was used in later Union Mills models, which comes with a resistor and a capacitor attached. Both can be removed, however you may want to limit the output voltage from the decoder as a result. For ESU LokPilot 5 decoders, set CV2 to 1, CV53 (EMF reference voltage) to 60 or less (default 130) and CV5 (Max Speed) to 100. It's better to start low and increase the values, than the other way round. Auto calibration will set CV53 to around 40.

Use a multimeter to test the DC output voltage from the decoder, and ensure it is sensibly low before connecting to the motor.

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