Figure 3.A shows a block diagram of the Innova-Switch™ switch.
Once the switch is set to respond to the minimum and maximum flow rates (or wet vs. dry conditions), the trip point is set by adjusting the Trip Adjust Potentiometer. Solid state electronics transform the flow (or wetting) induced temperature differential into a voltage that is compared to a control voltage. Matching voltages cause actuation of a relay to indicate a change in state (flow vs. no-flow or dry vs. wet).
FIGURE 3A: Innova-Switch™ SERIES S BLOCK DIAGRAM MODELS LS32CS/FS42CS, LS32CN/FS42CN, LS32NX/FS42NX
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