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Thread: New Booster Pump and Tank. Booster won't start??

  1. #1
    DIY Junior Member TXTom's Avatar
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    Default New Booster Pump and Tank. Booster won't start??

    I just installed a storage tank and booster pump at my house. The booster pump won't run. I need some wiring help. I am using a standard pressure switch to control the booster. There is no pressure on the system so the contacts on the switch are closed. I have a 20amp double pole breaker that I am using to power the pump. The pressure switch is connected to the breaker with a red and black wire and ground. The pump is wired to the pressure switch with a red and black wire and ground. The terminals on the switch are wired so that the contacts complete the red/red and black/black connections. The booster pump is a Goulds GB. It is wired for high voltage from the factory. I connected the red and black wires to terminals 1 and 4 as shown on the motor's diagram. The ground is connected to the green terminal. Why won't my pump start?

    Thanks,

  2. #2
    Rancher
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    Do you own a multi meter? Measure the voltage at the places you've mentioned.

    High voltage, you mean 240 vac?

    Rancher

  3. #3
    DIY Junior Member TXTom's Avatar
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    I checked the voltage from ground to the terminals and I get 125V on each terminal. I have a feeling one of the Legs is not working, but I thought that maybe each would add together to make 250V. Am I wrong?

    Tom

  4. #4
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    Only if they are on different phases. If you selected two breakers and took 115 from each one, you could be using the same source for both. But I think you said you have a double pole breaker.

    Does the pump humm or buzz or is it just quiet when power is applied?

    bob...

  5. #5
    DIY Junior Member TXTom's Avatar
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    Wiring was all good. It was a bad breaker. One of the legs was dead. Thanks for the tips.

    Tom

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