Nate ice heat pump Study guides, Class notes & Summaries

HVAC NATE Heat Pump /171 Questions with Correct Answers Assured A+. On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? -Ans 6-7PSI or 6F 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 ...

NATE ICE Heat Pump Exam Questions with 100% Correct Answers 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 ...

HVAC NATE Heat Pump /171 Questions with Correct Answers Assured A+. On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? -Ans 6-7PSI or 6F 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 ...

NATE ICE Heat Pump Exam Questions with 100% Correct Answers What is the purpose of the reversing valve on a air to air heat pump? A. it reverses the direction of the compressor B. it changes the flow of refrigerant, making the outdoor coil the condenser during the winter months C. it changes the flow of refrigerant, making the indoor coil the condenser during the winter months D. it changes the flow of refrigerant, making the indoor coil the condenser during the summer months C. it chang...

Practice Exam for NATE Heat Pump Final Questions and Answers R-22 vapor line diameters and lengths are typically specified for a... - CORRECT ANSWER-Vapor pressure drop that does not exceed a 6-7psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - CORRECT ANSWER-To prevent oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must... - CORRECT ANSWER-Drain off and away fro the outdoor coil to prevent excessi...

NATE ICE Heat Pumps with 100% correct answers

HVAC NATE Heat Pump |171 questions| with correct answers On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. Why must the runoff be drained off a...

HVAC NATE Heat Pump |171 questions| with correct answers On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. Why must the runoff be drained off a...

NATE Heat Pump Questions with Correct Answers 100% Verified R-22 vapor line diameters and lengths are typically specified for a... - Correct Answer Vapor pressure drop that does not exceed a 6-7psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - Correct Answer To prevent oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must... - Correct Answer Drain off and away fro the outdoor coil to prevent excessive ...