The “DIFFERENTIAL” or dead band setting allows for a hysteresis to be programmed in to the conductivity trip point. A programmed hysteresis value prevents the bleed relay and solenoid from cycling on and off repeatedly when the conductivity reading hovers around the trip set point. The value entered in the “DIFFERENTIAL” is the amount of conductivity, away from the trip “SET POINT”, that the bleed relay will shut off.
Press “ENTER” from this screen to change the value. The value will have a flashing cursor indicating that it can be changed. Press the “UP” or “DOWN” key to increase or decrease the value. Press “ENTER” to save the “DIFFERENTIAL” value.
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