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Wed, Jun 22, 11 at 5:32
| I have a pump that feeds water from an underground vault. Near the bottom of the vault, there is a float valve auto-fill. The valve has failed to drop a couple of times, which has resulted in the pump running dry.
I'd like to find either a controller or a circuit I can put together that allows the pump to run from the existing timer, yet be disconnected via a relay if the flow output from the pump is low/zero. The main problem is that the pump needs to prime for 20-30 seconds in some cases, so I really need the flow switch to not trip the relay until the first 30 seconds of energized time has passed. Any ideas? |
Follow-Up Postings:
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| An SVRS capable pump or an SVRS system that knows how to shut the system off should fit nicely here. Scott |
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| I had never heard of SVRS so I did some googling and still can't see how an SVRS would help. What does the device use as a trigger? Flow loss or pressure loss? |
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| The Intelliflow SVRS senses it can't prime or loses prime. I believe that Hayward's also does this. Scott |
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