A chiller is an HVAC machine used for cooling purposes. There are many kinds in the market, but none more popular than an air chiller. It works by cooling down a liquid such as water. It has certain parts, like a compressor, condenser, and an evaporator, as well as a thermal expansion valve. You will see some chillers being used to cool buildings.
A chiller works through a certain process. The system kicks off at the compressor unit. The compressor forces a refrigerant into a hot compressed gas. The refrigerant gets directed into a condenser, at which point it is converted into a liquid by the cooling powers of a fan. The chiller tends to lose almost all of its heat at this stage. After all the gas has been converted into a cool liquid, it flows into the thermal expansion valve. There is proper control on the amount of refrigerant that can go into the evaporator. As the refrigerant passes through the evaporator, it takes with it most of the heat, which makes it boil into a vapor. Water is then pumped into the evaporator, which gets heated by the refrigerant. This is usually followed by the refrigerant being channeled into the compressor once again, where it becomes a hot compressed gas from the initial stages. The steps are repeated all over again.
Chillers can be found in air conditioning systems. They work in the same way as cold water, to make the air cool. The steps of how a chiller works are always ongoing. The size of an adequate chiller ranges from 15 all the way to 1500 tons. It can produce very cold water, at very low temperatures.
There are a few places a chiller can be used in an industrial situation. Chillers are used to cool heat waste produced in a manufacturing process, which is then applied in the cooling off of the air. Chillers are also used to cool heat waste from the usage of high intensity lasers. Chillers are needed when complex cutting processes in industries result in some hot pieces of materials that need to be cooled down, or when an MRI machine needs to have its working temperatures monitored and controlled.
It is evident the many uses of chillers in several industries. While out shopping for one, there are key areas that you must adequately cover. You need to look at the kind of material used in its construction. You also need to look at specific parts of the machine. It is important to think of hoe energy efficient it is. Choose a machine that is easy to operate. Repairing it, if need be, should not cause more stress or damage. The device has to come with a reasonable warranty for what the manufacturer is charging for it.
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