Published on August 14, 2018 by HVACR.TV

R22, 410A Refrigerants! Checking the Charge- Vapor/Suction Operating Pressures, What is Too Low!
This Video is how to tell if the Vapor pressure is too Low to wait for the ten minutes for the system to run before checking the Refrigerant. You need to add refrigerant until the pressure is high enough so that the Evaporator will not freeze. We go over Saturation Pressures and Temperatures, What Baseline Pressures should be before even checking for Supeheat or Subcooling. We examine R-22 first and then move on to R-410A

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