Posts Tagged: AC orifice tube

Auto AC orifice tube system

Auto AC Orifice Tube Operation How does an automotive AC orifice tube system work Some car makers use AC orifice tube systems in their AC. An orifice tube is simply a refrigerant metering device to control the rate of flow of refrigerant into the evaporator located in your dash. In the illustration below, you’ll see that low pressure gas flows out of the evaporator coil and into the accumulator. A low pressure switch is often located right on the accumulator or in the low pressure line before the compressor. The … Read More