Nate heat pump exams - Study guides, Class notes & Summaries

R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed - 6-7 psi or 6 degress F The primary purpose of using flux when soldering copper or brass parts is to 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 to prevent - Excessive ice build up The component used to reduce sound transmission and prevent water leaks of a packaged heat pump in...