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What should the high side pressure be on auto AC?

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What should the high side pressure be on auto AC?

The system should be about 25 to 30 psi on the low side and 200 to 250 psi on the high side. If the ambient temperature is higher or lower than normal (70 to 80°F) the pressures will go up or down accordingly.

Is the suction line high or low pressure?

The low side, or suction line, will be the line connected to the compressor from the top or higher position. It will be cold to the touch and may be wrapped with insulation. This is where freon enters the compressor as a gas.

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What should suction pressure be 410A?

For R-410A, a working pressure capability of at least 400 psi is recommended (this includes recovery cylinders). Standard DOT recovery cylinders rated for 350 psi should not be used.

What should AC gauges read 410A?

During air conditioning mode, the pressure on the vapor line of an R-410A system will be somewhere between 102 to 145 PSIG.

What pressure should R134a run at?

22 pounds per square inch
For normal running pressures in the R134a system, at the lowest temperature, the coil should run at 22 pounds per square inch that is 45-20, 25 degrees Fahrenheit. While at the highest temperature it should be 57 pounds per square inches that is 60-20,40 degrees Fahrenheit.

Which AC line is high pressure?

The pressurized refrigerant is carried from the high side of the AC system to the low side by the High Side AC Hose. The high pressure components of the AC system include the AC Compressor, AC Condenser and the AC Receiver Dryer.

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Which AC hose is high pressure?

The High Side AC hose carries the highly pressurized liquid refrigerant on the discharge side of the compressor to the expansion valve, which is the entry point of the low-pressure side. If the high side AC hose is damaged, it could result in the loss of refrigerant.

Why is AC low side pressure so high?

Possibility #3 AC low side pressure is too high because the condenser has reduced airflow. Clogged condenser fins or an inoperative condenser fan can cause low side pressure to be too high. Clean condenser fins and make sure the condenser fan is running at the proper speed.