R-410a Refrigerant Study Guide Test 2023/2024.

R-410a Refrigerant Study Guide Test 2023/2024.R-410A is a Refrigerant, also known as....? - ANSWER SUVA - 410A....... AZ-20......Puron The cylinder color code for R-410A is...? - ANSWER Rose HCFC-22 is scheduled for total phase out, by the year? - ANSWER 2020 Suction and Discharge pressures for R-410A are how much higher than R-22 Systems? - ANSWER 40% to 70% What is Temperature Glide? - ANSWER A range of condensing and evaporating temperatures for one pressure. When handling Refrigerants, Technicians should? - ANSWER Wear approved eye protection and gloves/ Avoid loose fitting clothes. A full Nitrogen Cylinder has a pressure of...? - ANSWER 2500 psig Nitrogen Cylinders should only be moved....? - ANSWER 1) with a protective cap in place 2) with an approved Cylinder cart. Temperature Glide for R-410A is less than...? - ANSWER 0.3 degrees F Why is R-410A a better choice than R-22 Refrigerant? - ANSWER R-410A is more efficient, uses less energy, and has a lower TEWI Due to it's higher Vapor heat Capacity, what can be said of the Discharge Temperature of R-410A when compared to R-22? - ANSWER Discharge temperature are lower. Systems using R-410A must use what type of lubricant? - ANSWER Polyol Ester Oil (POE) What can be said of Polyol Ester Oils? - ANSWER 1) Can cause skin irritation 2) Is Hygroscopic..Draws moisture like a magnet 3) Has improved heat transfer characteristics over the mineral oils How would one remove moisture from a Polyol Ester Oil? - ANSWER Change the filter drier