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Originally Posted by Kevin Karan
I wouldent be suprised if the entire problem was due to the huge power drain on your controler. You may have even damaged it. The way you power the pump is via a spike/relay. You wire the pump so its powered by the spike and then you wire a control wire to a relay output.
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No, no. The compressor is powered properly, from the breaker panel. The pressure switch, that turns off at 115psi, and turns on at 95psi is wired to the RC. Then, a signal goes out the relay output to the spike.
In the interest of clarification, here is a simplified picture of our wiring
Not pictured: Breaker Panel, fuses, etc. Assume that the compressor receives it's power properly.
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That won't work. The RC digital inputs have an internal pullup to 5 volts, so you need to connect switches between the signal and ground pins.
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I'll pass that on. So we shouldn't have all three wires connected, only 2?