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  #1  
Old 06-29-2013, 02:34 PM
zimmatic zimmatic is offline
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Booster Pump/pump start relay Connection Help

I have a system that is 30 zones. It also has a rid-o-rust system installed. Due to the large size of the lawn the rid o rust system only runs on about half the zones. It is controlled by using the master valve circut and then programming the controller which zones use the master valve to use/ turn on the pump start relay for the rid-o-rust system. Works very well.

Here is the problem.

I need to run a booster pump for every zone. How can I wire in the second pump start relay into the controller so that when the controller activates, the booster pump will turn on?

Thanks
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  #2  
Old 06-29-2013, 03:18 PM
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Wet_Boots Wet_Boots is online now
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Any controller(s) zone outputs can be wired through an array of isolation diodes to create a signal to operate a relay.
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Old 06-29-2013, 05:57 PM
S.O.Contracting S.O.Contracting is offline
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Make the pump pressure activated instead of relay activated with a pressure switch and expansion tank.
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  #4  
Old 06-29-2013, 07:08 PM
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Mike Leary Mike Leary is online now
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OR, put in an on-demand pumping system for the well, that will free-up the clock for your other needs.http://pentair.com
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  #5  
Old 06-29-2013, 10:06 PM
zimmatic zimmatic is offline
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Thanks for the suggestions.

boots can you describe the suggestions some more?
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  #6  
Old 06-29-2013, 10:10 PM
zimmatic zimmatic is offline
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one thought I did have and I dont know if this will work

disconnect the common wire from in the controller from the terminal stud or "c". Then wire the irrigation system common wire it to the black lead for the pump start relay and then the connect the white wire from the pump start relay to the "c" terminal stud in the controller.
My theory is that when the controller activates any station the the pump start relay is in the circit loop and would be activated.
its just a theory.
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Old 06-29-2013, 10:27 PM
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Wet_Boots Wet_Boots is online now
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the diodes trick is strictly home-brew electronics - something one could make with Radio Shack components

there might be something out there a little more 'official' that comes with mfr backing
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Old 06-29-2013, 11:44 PM
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Rainbird and Toro both have extensive wiring diagrams available.
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  #9  
Old 06-30-2013, 06:48 AM
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AI Inc AI Inc is offline
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Spend an extra $85 and put in a second clock.
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  #10  
Old 06-30-2013, 07:33 AM
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Quote:
Originally Posted by AI Inc View Post
Spend an extra $85 and put in a second clock.
That would be too simple.
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