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Hello, 
We have a big fan coil with 2 fans that should be controlled with an inverter (0-10V or 4 to 20mA). A room sensor will be placed around 50m from the control box, controlling the fan speed depending on the temperature difference of nominal/actual. We want to avoid wiring. The radio based controllers for this is expensive.
For me it seems like a smart idea to buy a Shelly dimmer and a H&T sensor for this function. The problem is that I haven't done any programming of Shelly devices, which must be the case for this.
The functions seems quiet straight forward.
An input of a nominal value, lets say 20C. The H&T sensor measures the actual temperature. Above 20C the fans are off, i.e. 0V. At 15C the fans are at full speed. Between 15 to 20C a linear relation between temperature difference and output volt signal. 

Would this be possible to solve?

BR Henrik

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