Quote:
Originally Posted by jay_bob
When the controller tells the monovalve to close, the controller grounds the wire coming from the other side of the monovalve coil. In this case you can see the voltage going between 12 V (controller says valve open) and nearly 0 V (controller says valve closed).
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So...when the circuit is completed on the ground side, you can "see" the voltage go to zero? Where should one look to see this?
Quote:
Originally Posted by jay_bob
Putting the dial on MIN temperature results in constant ground (i.e. 100% duty cycle) and putting the dial on MAX results in no ground (i.e 0% duty cycle).
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That is correct in the case of specific modes and not correct in others.