CloudWatcher operated roll off roof
Many motor systems include a push button to open or close the roof. They typically require the button to be pushed for a short period of time, and that will trigger the roof to open if closed, or close if opened.
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One safe way to have the CloudWatcher relay close the roof (but never open it) is explained in the following diagram. Apart from the CW itself, you just need a “roof opened” limit switch (that is, a switch that will be closed, active, when the roof is open) such as one of these:
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The roof motor push button is connected, in series, to the limit switch and the CloudWatcher relay:
Please test – a few motors will not start moving until the button is released; for those this system will not work, so far we’ve found they are a minority.