You will now see we have come almost a complete circle. In this operation a small adjustable cam has opened the salt system to the supply water which is entering the tank. This is a timed operation with water flowing through a fixed orifice, the time the valve remains open will depend on the amount of brine to be produced for a given quantity of resin, hence the size of the Softener. The main operating piston has closed the internal bypass, and the drain line. This completes the REGENERATION. All that now remains is for the control valve to travel back to the SERVICE position to wait the next REGENERATION.
As mentioned previously, these pages described a REGENERATION using a particular manufacturers control valve. Not all valves operate in this manner however, the basic regeneration sequence, (which is what we were attempting to show) is the same regardless of valve manufacturer.
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