The purpose of this circuit is to maintain the liquid level of a reservoir between two values determined by the sensors. The circuit powers a pump through a triac. The SCR can be the TIC106. The circuit is from an 80's documentation.
![](/images/stories/cir/221712172023_154617_0001.gif)
The purpose of this circuit is to maintain the liquid level of a reservoir between two values determined by the sensors. The circuit powers a pump through a triac. The SCR can be the TIC106. The circuit is from an 80's documentation.