Plumbers and other AC professionals know exactly how the air conditioners work in general. But as a homeowner, it is an advantage to learn some basic knowledge about your unit. It might take days to find out the problem of your AC when you don't know the issue, though there were times it just only needs cleaning. It is also a part of our responsibility to know a few necessary information about our appliances to make it last and useful for many years.
AC works under five basic building blocks through refrigerant: Compression, Condensation, Expansion, Evaporation, and boiling- heat transfer or heat exchange. These five processes work together to: change the property of the air by dropping the temperature.
AC unit consists of the simplest form which is very essential to make it function very well.
· A compressor
· A condenser Coil
· A receiver and dryer
· An expansion Valve
· An evaporator Coil
· Fans
· Tubing to make the system, a closed-loop system
· Refrigerant
The air conditioners work in a closed-loop arrangement and are filled with the required amount of refrigerant to cool the air. ACUs (AC units) has two sides: the high-pressure side and the low-pressure side.
The high-pressure side consists of the compressor release, the condenser, and the inlet expansion valve. The low-pressure part consists of the expansion valve outlet, the evaporator, and the compressor suction.
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The refrigerant gas temperature rises due to compression from the compressor.
External air passes through a heat exchanger named a condenser. Condensation of the refrigerant occurs here. The refrigerant will cool down - in the liquid state, and the atmosphere is warm. The condenser fan forces the movement of the air.
Expansion valves. It is the device that allows pressure to build up from the compressor.
They are extending liquid refrigerator. The cooling fluid will "see" the low-pressure area after the expansion valve, thus starting to form the cooling mist. Refrigerant evaporation and boiling will occur in the evaporator, because the temperature inside the room, is higher than the boiling temperature of the refrigerant. The hot air of the place passed to the evaporator and cooled down. The blower assists the forced draft.
Refrigerant steam to about 10 °C (50° F). Useful for compressor cooling and lastly - the compressor itself. The cycle starts with (1). This is the part of the pre-syndication of how AC works.