- Study guides, Class notes & Summaries

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - ANSWERPrevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? - ANSWERDrain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? - ANSWERExcessive ice can build up on t...

-

14 pages

Written in 2022/2023

Grade A+

papersbyjol

HVAC NATE Heat Pump Exam 2023 Questions and Answers (100% Correct)HVAC NATE Heat Pump Exam 2023 Questions and Answers (100% Correct)HVAC NATE Heat Pump Exam 2023 Questions and Answers (100% Correct) 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 cy...

-

14 pages

Written in 2022/2023

Grade A+

NursingTutor1

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 ...

-

14 pages

Written in 2022/2023

Grade A+

ALVINK2022