In case of using R22 inside, or at the ambient room temperature, subtract 45 degrees from the incoming air temperature. The service chart indicates that the suction line pressure to be used is about 75 psi.Nov 13, 2020
What should R-22 pressures be at 75 degrees?
IF the return temperature is 75 the evaporating temperature of the R-22 should be between (75-40=35) and (75-35=40). THE LOW SIDE NEEDLE SHOULD POINT BETWEEN 35 AND 40 DEGREES (in the green ring of numbers) FOR R-22 AND THE PRESSURE IS READ WHERE THE NEEDLE POINTS ON THE BLACK RING OF NUMBERS FOR PRESSURE.Jul 3, 2003
What should the suction line pressure be?
Your desired suction pressuresuction pressureIn refrigeration and air conditioning systems, the suction pressure' (also called the low-side pressure) is the intake pressure generated by the system compressor while operating. ... As the cell absorbs more and more water its Turgor Pressure increases and Osmotic Pressure decreases.https://en.wikipedia.org › wiki › Suction_pressureSuction pressure - Wikipedia is 33-48 degrees or 58-80 psi depending on the indoor temperature. (Note: The hot or warm air from a hot house traveling across the evaporator coil will warm the refrigerant faster than normal causing a higher suction pressure.
How do you read a R-22 pressure chart?
https://www.youtube.com/watch?v=i29nDp6sRac
What is the normal suction and discharge pressure for R-22?
For example, a high-efficiency condensing unit using R-22 typically operates with a suction pressuresuction pressureIn refrigeration and air conditioning systems, the suction pressure' (also called the low-side pressure) is the intake pressure generated by the system compressor while operating. ... As the cell absorbs more and more water its Turgor Pressure increases and Osmotic Pressure decreases.https://en.wikipedia.org › wiki › Suction_pressureSuction pressure - Wikipedia of about 68 psi and a discharge pressure of about 250 psi at an outdoor temperature of 95°F.
What should R-22 pressures be on a 70 degree day?
If the outdoor temperature is 70°F, a refrigerant bottle outside would have a pressure of roughly 201 PSIG. If the outdoor temperature is 110°F, a refrigerant bottle outside would have a pressure of roughly 366 PSIG.Jun 24, 2020