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 sens...
