We Solidarity
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@We Solidarity Thank you for the instruction, the set up in this room is almost working. I have encountered one problem though - When the timer activates the solenoids that allow nutrient solution to flow from the reservoir in to the pump inlet, only a small trickle of that solution is let through. Even when manually opening the solenoid using the bleed valve, very little liquid makes it through it. Further research leads me to believe that this is because the solenoid valve requires a minimum pressure ( about 15 psi) to operate correctly, and the gravity pressure generated by a full reservoir doesn't hit that minimum.
This is where I found the information that suggests the solenoid requires a minimum pressure: http://www.irrigationtutorials.com/automatic-rain-barrel-irrigation/ and the specs on my zone valve (rainbird cp100) confirm that they operate at a pressure range of 15-150 psi.
Do you know of a way to get around this? One possibility is using a 24v ac motorized ball valve instead of zone valve, please let me know if I'm missing something.
Thanks so much!
Hey bud-- I apologize for not catching that fact with the solenoids- I've never set up rezzies to open with a solenoid so that answer was sort of in the dark. You would probably have to use a zone valve same thing they use in boiler systems, something like this:
http://www.supplyhouse.com/Honeywel...onnection-Zone-Valve-normally-closed-8-Cv-24v