Quote:
Originally Posted by frolinmod
You can always use a relay that has both normally open (NO) and normally closed (NC) contacts to reverse whatever you have.
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If the controller turns the load off whilst charging the battery, then the only way to power the fan is with the battery. I suppose I could have a relay in that circuit in the normally open position. Then at night the load turning on would close the relay and stop the fan. In this situation the only thing on the load output would be the relay coil. Is this how you imagined it?
Peter