AC Pressure Table The Ultimate Diagnostic Tool for HVAC Technicians

Spec is 200-225 PSI on the high and 21-36 on the low. So the high pressure side is to low and the low pressure side is to high. WTF? Any ideas ... What should r134a pressures be. The **R134A air conditioner pressure chart** is a precise instrument that maps out the pressure and temperature readings for the ... The correct low-side AC pressure readings would be for a range of ambient temperatures (80/85/90/95) for the 07 Optima. ... A/C system. Thanks for you help with my issue. I recharged the system using the Pressure chart you provided and the system is cooling well ... R134a Pressure Gauge Chart ; 85°, 50-55 psi, 220-250 psi ; 80°, 45-50 psi, 175-220 psi ; 75°, 40-45 psi, 150-175 psi ; 70°, 35-40 psi, 140-165 psi ; 65°, 25-35 psi ... °C. R12. R134a. R406A. R409A. R413A. SP34E. R22. R407C. R410A. R417A. R404A. R507. R408A. R403B. R502. R717. -60. -77. -63. -36. -54. -47. -35. -51. If no chart is provided, use the A/C pressure chart below this list as a general guide. Also, different AC systems can have different recommended pressures, so ... This is a quote from the AC gurus: "The low-side should be near 30 PSI at 90 degrees Fahrenheit or less. Pressure that is too much ... Here is an R12 chart for psi & dF. Shoot for at or slightly above 32dF refrigerant or 30-32 psi low side for the evaporator to deliver 36-40 dF air. 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.