Refrigeration Pt Chart. One of the very first steps when it comes to diagnosing your home air conditioner, refrigerator, or even your vehicle’s air conditioner is understanding the temperature and the current pressure that your system is operating at. 239 242.3 245.7 249.1 252.5 255.9 219.8 222.9 226 229.2 232.5 235.7 201.6 204.6 207.6 210.6 213.6 216.7 184.6 187.4 190.2 193 195.8 198.7 168.6 171.2 173.8 176.5 179.
Ahri is now specifing that all refrigerant containers should. Refrigeration cycle dew point lines of constant temperature to detemine superheat, use dew point values. To determine subcooling, use bubble point values.