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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 off and away from the outdoor coil? - ANSWER-Excessive ice can build up ...

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HVAC NATE Heat Pump Exam With 100% Correct Answers 2025 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 off and away from...

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18 pages

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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? : 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? : Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? : Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? : Excessive ice can build up on the bottom of the coi...

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HVAC NATE Heat Pump Exam Questions and Answers 100% Pass 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 off and away from...

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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? Excessive ice can build up on the bottom of the coil and can redu...

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HVAC NATE Heat Pump Questions & Answers. 100% Answers. Rated A On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - -6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - -Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? - -Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the ...

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19 pages

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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - Prevent Oxidation The water that results from a defrost cycle of an air-to-air heat pump(runoff) must? - Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? - Excessive ice can build up on the bottom of the coil and ...

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20 pages

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