How to Control Automatic Tank Filling and Emptying

Automatic filling or emptying of tanks is a common requirement.  The use of a single level switch to control a pump or valve can lead to frequent operation of a pump for short periods, so it is often more economical and less wearing to fill or empty between two levels.

Cynergy3 can suggest two ways to fill or empty between two levels, based on using either an electromechanical relay with a simple latching circuit or a level control module.  Our level control modules (SB20 or SM20) can operate with either 1, 2 or 3 sensor inputs to give fully automatic control of filling or emptying.

Download document: PDF icon FillCircuit.pdf
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