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Set the Digital Pressure Switch-A

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by Technical Writing

  1. The low set point is a value in psi that the tank must decrease to before the vacuum will turn on. The tank pressure will decrease to the low set point and then the vacuum will turn on when a degas cycle is started. This value is usually set at about 5 psi.
    • The low set point is a value in psi that the tank must decrease to before the vacuum will turn on. The tank pressure will decrease to the low set point and then the vacuum will turn on when a degas cycle is started. This value is usually set at about 5 psi.

    • To set the low set point, push the blue mode button on the digital pressure switch.

    • The set point “Hi” or “Lo” will flash briefly. Push the blue mode button until you see “Lo”.

    • The word will go out of view and the value for that set point will be shown. Use the up and down arrow buttons to adjust the low set point to the necessary value.

  2. The high set point is the value in psi the tank will exceed when pressure is built again. The set point is usually 3-5 psi below the necessary operating pressure. This makes sure that there is always the correct amount of positive pressure in the pressure pot and the valve will always have material supplied to it.
    • The high set point is the value in psi the tank will exceed when pressure is built again. The set point is usually 3-5 psi below the necessary operating pressure. This makes sure that there is always the correct amount of positive pressure in the pressure pot and the valve will always have material supplied to it.

    • To set the high set point, push the blue mode button on the digital pressure switch.

    • The set point “Hi” or “Lo” will flash briefly. Push the blue mode button until you see “Hi”.

    • The word will go out of view and the value for that set point will be shown. Use the up and down arrow buttons to adjust the high set point to the necessary value.

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