Nate heat pump - Study guides, Class notes & Summaries

HVAC NATE Heat Pump Exam 2024 Correctly Answered! On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER 6-7PSI or 6F

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NATE Heat Pump Exam with Correct Answers Latest Updated b (Cooling mode) - CORRECT ANSWER-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 a (Heating mode) - CORRECT ANSWER-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 c (Reve...

NATE Heat Pump Exam/ Questions with Certified Solutions. Terms like: Auxiliary electric heat is necessary because: A: It provides heat for the home during defrosts B: It provides heat for the home in the event of a heat pump failure C: It provides heat for the home if the heat pump is unable to meet the demand for heat D: All of the above - Answer: D: All of the above Reading a voltage across the contacts of the outdoor thermostat means: A: The thermostat contacts are ...

HVAC NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (Graded A+) What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component th...

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HVAC NATE Heat Pump/ 171 Q&A/ Already Graded A+ Terms like: On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - Answer: 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - Answer: Prevent Oxidation The water that results from a defrost cycle of an air-to-air heat pump(runoff) must? - Answer: Drain off and away from the outdoor coil. Why must the runoff be drained o/’...

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NATE Heat Pump Exam Questions and Answers 100% Correct 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 - CORRECT ANSWER-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 - CORRECT ANSWER-A: Heating mode Which of the...