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The Hot End fan is a 4010 - 24V while the Cooling fan is a 4028 - 12 V, read the next steps carefully to avoid damaging the Fans. You will fry your fan if you don't supply the correct voltage!

Hot End 4010 Fan - 24V

24V Power connector (JST2)

Cooling 4028 Fan - 12 V

12V Power connector (JST2 - crimping required)

PWM Cable - Pulse width modulation is a modulation technique that generates variable-width pulses, in this case it controls the supplied voltage to the fan regulating it's speed more efficiently.

On Delta and Nidec fans the blue wire is the PWM wire, on Sanyo's it's the brown wire. If you're unsure, refer to your fan's datasheet as you will need to crimp a JTS2 as shown.

The part cooling 4028 fan cable requires an extension. Either solder, or use connectors, to extend it by 450mm with 3-core cable.

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