HVAC NATE Heat Pump
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HVAC NATE Heat Pump 21
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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•HVAC NATE Heat Pump
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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...
HVAC NATE Heat Pump Exam/171 Questions and Correct Answers/Updated
- Exam (elaborations)
- • 13 pages's •
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HVAC NATE Heat Pump•HVAC NATE Heat Pump
Preview 2 out of 13 pages
HVAC NATE Heat Pump Exam/171 Questions and Correct Answers/Updated