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charlesspock
10-24-2007, 09:36 AM
Hello,

I am tring to wire a 115v pumptec to a three wire motor, through a control box. I want to wire the power directly to the pumptec and bypass any switches to have the pumptec control constant flow. However, I am not getting any response from the pumptec (no power) once I wire it this way...nto sure why.

valveman
10-24-2007, 09:54 AM
The PumpTec is stickily a safety device. It cannot control anything. It can only shut the pump off if the well is dry.

charlesspock
10-24-2007, 10:13 AM
I Understand that, it will shut off the pump once there is a shortage of water, but do I need a pressure switch to activate the pump or should it activate automatically once I plug in the power supply ?

valveman
10-24-2007, 12:19 PM
You should not need a pressure switch. Just get power directly from your breaker instead of a pressure switch.

Chris75
10-24-2007, 04:55 PM
If you don't install a pressure switch, the well will never shut off, the pumptec is only for extra protection in case you have a shallow well or expectingly run out of water so you won't burn up your pump... the pumptec will restart after it times out...

valveman
10-25-2007, 05:19 AM
The pump will be shut off if you turn off the breaker, or if a pump start relay on the irrigation system turns it off. You really only need a pressure switch for the pump to be able to automatically turn itself on and off. You can turn the pump on and off manually or with a pump start relay, and then a pressure switch is not required.