![]() As the shaft and vanes rotate, the refrigerant is moved towards the smallest space and is thus compressed.Ĭentrifugal compressor is mostly used for cooling large capacities of air. The outtake is located where the space is smallest between the shaft and the cylinder wall. ![]() The refrigerant intake is located where there is the most amount of space between the shaft and the cylinder wall. As the shaft rotates, the blades move around the cylinder. The shaft is positioned off-center inside of a cylinder. It is made up of one or more vanes/blades that are attached to the cylinder shaft. Rotary compressors are usually very small, quiet, and reliable. As the air moves from one end to the other, the space gets increasingly smaller, thus compressing the refrigerant. This type uses two helical rotors that rotate and move the air from the compressor intake towards the end of the screws and the outtake. The screw compressor is very efficient and reliable when it comes to industrial use and is mostly used for big office buildings, factories, or other areas where a huge amount of air needs to be cooled continuously. As the second scroll moves, pockets of refrigerant between the two scrolls are slowly pushed to the center, compressing the refrigerant. It has one fixed scroll (it looks like a coil or spiral) that remains stationary and second moving or orbiting scroll that rotates through the use of swing link. This is because they have fewer moving parts than in reciprocating compressors. Scroll compressors are becoming more popular for use in HVAC systems as they are more reliable and efficient than reciprocating types. Reciprocating compressors are very efficient and you can get AC units that have 2, 4, or even 8 cylinders in its compressor. When the piston moves back up, it compresses the gas, which is then pushed into the condenser. The refrigerant is sucked into the cylinder by a vacuum that is created as the piston moves down. Powered by a motor and crankshaft, the piston moves up and down inside the cylinder. It uses a piston and cylinder design to compress the refrigerant. This is the most commonly used type and is very versatile. We will explain each type in greater detail to help you better understand how your AC works. Essentially there are 5 different types of AC compressors that work in slightly different ways. The hot gas then leaves the compressor and enters the condenser where the cooling process starts. The role of the compressor is to compress the cool refrigerant that enters it so that the temperature of the refrigerant rises. Compressors are found inside the AC condenser that makes up the outside unit of your AC system. Now that you know what an air conditioning condenser is, it is time to learn about air conditioning compressors.
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