Watts Autotrol Magnum (CV+ Series) - Manual (Page 17)

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4.0 Flow Diagrams
The Magnum control valve utilizes a series of pilot
valves to properly position the diaphragm valve
cartridges (Figure 4.1). The pilot valves are activated by
the camshaft (Figure 4.2). The flow diagrams that follow
represent the Service Cycle for a 5-cycle softener,
3-cycle filter, and 5-cycle twin alternating softener configuration. Both the Hardwater Bypass and No
Hardwater Bypass service flow diagrams are
presented.
Figure 4.1 Pilot Valve Principle of Operation
Figure 4.2 Cam Assembly