Question about Submersible Systems 1/2HP 2WIRE SUBMERSIBLE PUMP

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No water on submersible pump

Hello,

I have no water and pressure. I have 220 volts at my load side of my pressure switch. Breaker doesn't trip but i'm pulling .1 amps on one legs and .3 on the other. Is the motor shorted?

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I assume this is a new instalation or you just removed and reinstalled to pump. As you have power on the load side and we assume your wiring to the pump is correst, you need to open a valve on the output side of the pum and bleed the pump. They will become air bound, Leave the valve open until it flow freeley. That should do it

Good Luck

Posted on Feb 07, 2009

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If this is a 220 volt pump then it needs to have 2 hot wires,so it would be connected to 2 15 amp breakers.The ground shold run from the pump back to the fuse panel box ground bar.

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But technically a 30 amp breaker and 10 gauge wire would be fine for this heater.

And since it is 220 volt, you will always use a double breaker.
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If you have any doubts at all about 220 and water heater wiring, please ask again. Wiring is not hard, but you have to understand what you are doing, or else you can cause serious consequences.
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You also always need to ground the chassis with a green safety wire.
Since a 220 hot water heater uses 2 power wires and a safety ground, the white wire should be striped with a permanent marker, so that it is not confused with the white neutral wire of a 110 volt appliance.

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4200 watts should handle it how ever if you have no line losses. Excess Line losses will do exactly what has happened to you. Overheated the connections and burned up the pump.

First check what gauge wire you have going from the generator to the pump and the length of the run. Check a wire gauge calculator such as http://www.denningelectronics.com/wiregauge.htm
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The other possibility is that the breaker was going bad over time and caused the voltage drop0 that destroyed the pump.

Last item you can do, check the voltage at the generator when the pump starts, it shold not drop more than 10% on start up.

Good luck

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