How to Read Freon Gauges?

Answer

To read freon gauges you need to be familiar with a gauge manifold. The two gauges contained on the manifold are for high pressure and low pressure which tell you about the system's condition. The low pressure gauge indicates how well the evaporator portion is picking up heat and how well the compressor is eliminating it. The high pressure gauge indicates how well the condensing coil is getting rid of heat and the amount of load the system is exerting on it. Typically, the low pressure gauge should be as high as possible and the high pressure gauge low.
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1 Additional Answer
To read Freon gauges you should have an idea about the gauge manifold. The two manifold gauges are for low and high pressure. The low pressure, gauge lets you know how well the evaporator portion is picking up heat and how well the compressor is evacuating it. The high pressure gauge, or Head gauge tells you the state of the condensing coil which is meant to get rid of heat and the amount of load the system is putting on it.
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