I'm trying to setup an alarm to go off, should the power usage spike above a set number. I've searched and been unable to locate any examples. I have found code for outlets. but not the specific usage for the equipment. The scenario (which happened while i was on vacation, naturally) was my Return pump impeller shaft got gummed up with kalk buildup or some other weird substance, causing it to draw more power, but not pump water. (i do not have flow sensors...yet) this caused repeated spikes in the Amperage and Wattage used by the pump. this was going on for several hours before it was found when my brother checked on the tank.
had he not checked on it, it would have caused a loss of the entire tank.
I expected there to be some code, such as "If ReturnPump Watts > 50 THEN ON" (obviously not verified correct code, but should illustrate my point) within the alarms. but i cannot find any code eluding to such a capability.
any ideas on how to achieve this without buying new hardware and modules would be great.
thanks
Chris
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