A low evaporator pressure of 3.94 inches Hg causes a low evaporator temperature of -20°F. Both are caused from the compressor being starved of refrigerant. The compressor is trying to draw refrigerant ...

High to normal amp draw. Here is a look at those symptoms in more detail. Low discharge temperature: Since the superheats are low and the evaporator and compressor could be flooding, the compression ...

[The Mysterious Physics of 7 Everyday Things] An air conditioning system essentially has four parts, said Hourahan: an evaporator, a compressor, a condenser and an expansion device. The part ...

The air-conditioning evaporator is a small radiator inside the dashboard that provides cold air for the air-conditioning system. It’s called the evaporator because it’s where the freezing ...