NATE Heat Pump

Columbia University

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NATE Heat Pump Exam questions and answers 2023/24
  • NATE Heat Pump Exam questions and answers 2023/24

  • Exam (elaborations) • 20 pages • 2023
  • Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode A: Heating mode Which of the following components is exclusive to the heat pump? A: Conde...
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Nate Installation Guidelines Review Questions and answers
  • Nate Installation Guidelines Review Questions and answers

  • Exam (elaborations) • 6 pages • 2023
  • What precaution must you take when installing a dual-fuel split system? A. The control system must not allow the heat pump and furnace to operate at the same time during a normal heating cycle. B. The high-limit switch on the heat pump must be replaced with one that has a lower temperature setting C. The high-limit switch on the heat pump must be replaced with one that has a higher temperature setting. D. The limit control on the furnace must be replaced with one that has a manual re...
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NATE air to air heat pump 4 heat pumps with 100% correct answers
  • NATE air to air heat pump 4 heat pumps with 100% correct answers

  • Exam (elaborations) • 4 pages • 2023
  • The primary function of a reversing valve is to... Switch between heating and cooling A typical 4 way reversing valve has 3 ports on one side of the valve body, and a single port on the opposite side of the valve body. To what is this single port connected? The discharge line Of the three ports on one side of the reversing valve's body, to what is the center port connected? The accumulator If a heat pump system is low on charge, then the reversing valve... Is less likel...
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Combo with NATE Heat Pump Exam and 1 other questions and answers
  • Combo with NATE Heat Pump Exam and 1 other questions and answers

  • Exam (elaborations) • 4 pages • 2023
  • Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode A: Heating mode Which of the following components is exclusive to the heat pump? A: Conde...
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NATE ICE Heat Pump questions and answers 2023
  • NATE ICE Heat Pump questions and answers 2023

  • Exam (elaborations) • 3 pages • 2023
  • A correct statement regarding the outdoor coil of a heat pump is that damage may result if the: defrost water does not drain from the coil. A dirty air filter in a heat pump operating in the heating mode could result in: excessive head pressure. A dirty air filter on a heat pump system will result in: high head pressure in the heat mode and low suction pressure in the cool mode. A fan delay can add cooling efficiency by: operating the indoor blower after compressor shut-...
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Talon Nate Heat Pump 1 with complete verified solutions
  • Talon Nate Heat Pump 1 with complete verified solutions

  • Exam (elaborations) • 12 pages • 2023
  • What is a thermal equilibrium point of a duel fuel heat pump? Outdoor conditions which the capacity of a single heat pump matches the capacity of a supplementary heater Which ACCA manual should the technician consult to make an accurate calculation of residential load? ACCA J Manual What is the minimum ampacity of a circuit listed on the data plate of a packed heat pump used to determine? The average amperage of equipment when it is working properly What is the relationsh...
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NATE /ICE Heat Pumps with 100% correct answers
  • NATE /ICE Heat Pumps with 100% correct answers

  • Exam (elaborations) • 5 pages • 2023
  • NATE /ICE Heat Pumps with 100% correct answers
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NATE Air Conditioning and Heat Pump with 100% correct answers
  • NATE Air Conditioning and Heat Pump with 100% correct answers

  • Exam (elaborations) • 21 pages • 2023
  • Which of the following factors affects a customers level of comfort? All of the above A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only system should be within _____% of this calculated value. +15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. +25% The combined output of a heatpump and its auxiliary heat should not exc...
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NATE Heat Pump Troubleshooting questions and answers
  • NATE Heat Pump Troubleshooting questions and answers

  • Exam (elaborations) • 5 pages • 2023
  • On an air-to-air heat pump system, the suction pressure and discharge pressure are low during the cooling months. What are two possible problems: a restricted indoor metering device and a dirty air filter On an air-to-air heat pump system, the discharge pressure and suction pressure are high during the heating months. What are two possible problems: a dirty indoor filter and noncondensables in the system A service call is made on an air-to-air heat pump system during the winter. ...
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NATE Exam Air Conditioning and Heat Pumps questions and answers
  • NATE Exam Air Conditioning and Heat Pumps questions and answers

  • Exam (elaborations) • 29 pages • 2023
  • Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% c (+15%) The maximum sensible cooling capacity of a heat pump shoul...
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