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Pumps, Wells, Tanks, Controls / Wiring Deluxe Control Box
« on: April 29, 2021, 11:26:46 AM »
Need to double check the wiring of my Grundfos deluxe control box. Their (Grundfos's) instructions aren't that clear. See attached image. In the Grundfos instructions it only show two wires going to the pressure switch (which didn't seem right). Your instructions seem to make more sense, but wanted to double check. I should have three wires (not including ground) going from the control box to the pressure switch correct?