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11-21-2009, 06:01 AM #3OPSenior Member
Pump and Tank questions for Aeroponics
I'm pretty wore out with this new build. Yesterday I was trying to hook up all the new stuff (tank, pressure switch, valves) and I hooked up the pressure switch wrong. When I tried the new setup out I shorted out a breaker which really pissed me off. Apparently the way I wired the motor would probably have killed me even though it was working. I had the ground wire somehow wired incorrectly but it worked until I tried to also wire in the pressure switch. I thought I had seized the pump, but apparently I just don't know how to properly use my multi-meter anymore....note to self: QUIT SMOKING!!! So after a needless pump exchange I decided to try another method of pumping the water to the misters. I went to Lowes, bought 3 seriously expensive pumps all of which were different styles, but all were submersiable. I thought that if I could get an outrageously sized submersible pump I could build enough pressure to power the misers. FAIL! So I have 800 dollars worth of pumps to return to Lowes tomorrow...LOL. Here is the pump I am using: Harbor Freight Pump
This pump is capable of powering my misters although at what pressure I do not know yet. Before I had the tank connected I hooked up the misters and they worked great, however the temperature was very warm. I only recently had the pump connected tonight and before one of my pipes started to leak I saw pressures exceeding 20 psi. I know it can go higher, just how high I don't know yet.
To this pump I have a tank "T" valve which has a 30 to 50 psi pump shut off switch, a pressure gauge, a 7 gallon diaphragm tank, a sprinkler solenoid and finally my 3/8" mister line. The idea here is that the pump will be controlled by a pressure switch which will monitor the tanks capacity. When the tank reaches a certain point of emptiness the pump will come on and refill the tank. Connected to the tank is a sprinkler solenoid which will be connected to my timer and it will control the misters. Depending on how much flow goes through the misters, the tank will need to refill maybe once per two mister cycles. Obviously until I get everything turned on, I wont know for sure.
I am handicapped for space which is why this is becoming more complicated then it should be. Tomorrow I will try to resolve all the remaining issues and see if this thing works.
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