Bob NH
In the Trades
I don't see why a drawdown of some number is significant to the system.
You should be able to predict the maximum drawdown rate. What is maximum demand? Then set the ON DELAY to the interval determined by your maximum demand and desired maximum drawdown before the pump starts. Let's say that is two hours.
If you don't have maximum demand (or any demand) then the pump will try to start at two-hour intervals. It may run for a very short time, or for an hour. The daily number of cycles is limited by the interval, and running 12 to 24 cycles per day should not be a problem for the pump. At that number of cycles per day, what is the problem if they are short ON times?
The cycle time is at least two hours. The ON time may be short, but you still have a long CYCLE time from ON to the next ON.
You should be able to predict the maximum drawdown rate. What is maximum demand? Then set the ON DELAY to the interval determined by your maximum demand and desired maximum drawdown before the pump starts. Let's say that is two hours.
If you don't have maximum demand (or any demand) then the pump will try to start at two-hour intervals. It may run for a very short time, or for an hour. The daily number of cycles is limited by the interval, and running 12 to 24 cycles per day should not be a problem for the pump. At that number of cycles per day, what is the problem if they are short ON times?
The cycle time is at least two hours. The ON time may be short, but you still have a long CYCLE time from ON to the next ON.