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Starting Member


Wednesday, June 13th 2012, 2:46pm

Pro C Controller Rain sensor issue

I hooked up a rain sensor as per the directions that came with it. It doesn't work. Can anyonme tell me if the controller is looking for a "normally closed", or a "normally open" sensor? The sensor that I installed is a "Normally closed" sensor. This is an existing system that has been operating for years with no sensor at all. I am trying to install an "Orbit" sensor. The cut sheet that came with the sensor says there is a third "normally" open wire but only 2 wires are present. The actual sensor is a "normally closed" switch. It opens when you manually press the spindle at the top of the sensor.


Supreme Member

Posts: 5,242

Location: Metro NYC


Wednesday, June 13th 2012, 4:03pm

Make sure you followed the instructions on the Pro-C controller and removed the jumper that's installed on the terminal strip.

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