I managed to control the old version pump using some wiring and RJ12.

I used a voltage divider to reduce the voltage from 0-10 to 0- 5


The advantage of using the voltage reducer, if you update firmware or reset the Profilux you don't need to go back and change things.

And then wired it up like this




The newer pumps will need a DC brushless motor controller inbetween, hopefully I will manage to get this sorted.


Ps: this is a proper diy job, I cannot be held responsible for any damages caused.

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