Maximize AC Performance Your Ultimate Pressure Table

This document provides a temperature-pressure chart for R-134a that lists the expected gauge pressures at the low and high-pressure ports of an air ... Get a quick look at what an average A/C system looks like, along with the compressor manufacturer and what the specific R-134a requirements are for your car. This AC pressure chart contains R134a refrigerant values at room temperature. Where all the high- and low-side pressure values are. Download the free Pressure Chart poster here: https ... AC climate system using r134A, just by reading the pressures of the system. #### PT Chart AC Service Tech HVAC Training is made possible by continued support from our visitors, customers, and support from these Sponsors! 24 votes, 49 comments. 2013 Nissan Altima, 4 cylinder. First pic is with the engine off, 2nd pic is with the engine and compressor on. Page 1. emzone A/C Temperature - Pressure Chart. TEMPERATURE. R12 emzone 12a. 134a. C. F psi psi psi. -40. -40. -5. -4. -7. -38. -36. -4. -3. -6. Most technicians in the HVAC field know the normal range of operation for the low-pressure side of an air conditioning system. Automotive AC Pressure Chart for R134a Refrigerant | Ideal High and Low Pressure Readings Explained. 479 views · 2 months ago ...more ... Does anyone have the chart from the service manual or at least the low/high side a/c pressure ranges for the different ambient temps?