HVAC System Charging and Superheat Quiz
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Questions and Answers

What can happen if the Super Heat is too low?

  • The oil will become too thick
  • The oil will become too thin
  • The compressor will become too hot
  • The rods will break (correct)

    • How can the Super Heat be adjusted?

  • By adjusting the Expansion Valve (correct)
  • By adjusting the conversion temperature
  • By adjusting the Suction Line Temperature
  • By adjusting the discharge pressure

    • What should be done before charging a system?

  • Evacuate the system (correct)
  • Clean the condenser
  • Add a small amount of refrigerant
  • Measure the suction of the AC unit

    • What should the ideal temperature of the compressor be?

    <p>20 degrees F</p> Signup and view all the answers

    What should the liquid line or drier be when the system is charged correctly?

    <p>Warm</p> Signup and view all the answers

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