Updated Reference Cards For Refrigerant Charging and

Updated Reference Cards For Refrigerant Charging and Troubleshooting with A2L R-454B & R-32

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“AC Service Tech LLC”

I Explain Measuring R-32 and R-454B Pressures to Convert to Bubble and Dew Sat Temps to Find Total Superheat and Subcooling! We Have Refrigerant Weights per Foot for R-32 and R-454B for Both the Vapor and Liquid Lines! Our P/T Chart Includes Two Columns for When you are Measuring the Pressure of…

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