Which type of refrigerant is generally used in household air conditioners?

At present, due to global warming, people use air conditioners more and more frequently, but not all users are familiar with the type and use of air conditioner refrigerants. Let’s take a look at what kind of air conditioner refrigerant to buy. Best, what type of refrigerant is commonly used in household air conditioners?

Of course, what everyone knows about air-conditioning refrigerants is r22 and R410A refrigerant, but because r22 has a certain destructive effect on the ozone layer, it is a transition Type refrigerant, and the later derived r410a refrigerant is also a widely used refrigerant type at present.

Comparison between r22 and R410A

Characteristics of r22: colorless, almost odorless gas at room temperature, non-flammable, non-explosive, non-corrosive, and toxic Slightly larger than R12, but still a safe refrigerant, safety classification is A1; pressurized can be liquefied into a colorless and transparent liquid. The chemical stability and thermal stability of r22 are very high, especially in the absence of water, it does not react with general metals below 200°C. In the presence of water, it only works slowly with alkali. However, cracking occurs at high temperatures. r22 is a low-temperature refrigerant, which can get a cooling temperature of -80℃.

R410a is used in inverter air conditioners. It is a new type of environmentally friendly refrigerant that does not destroy the ozone layer. Its working pressure is about 1.6 times that of ordinary r22 air conditioners. It has high cooling (heating) efficiency and improves air conditioning performance without destroying the ozone layer.

R410a characteristics: R410a new refrigerant is composed of two quasi-azeotropic mixtures R32 and R125 each 50%, mainly composed of hydrogen, fluorine and carbon elements (expressed as hfc), which is stable and non-toxic. Features such as superior performance. At the same time, since it does not contain chlorine, it will not react with ozone, that is, it will not destroy the ozone layer.

In addition, the performance of air conditioners using new refrigerants will also be improved. R410A is the most suitable refrigerant used to replace R22, which is recognized internationally so far, and it has been popularized in Europe, America, Japan and other countries. R410A replaces the global trends in major international markets and the prospects for its use and the dynamics of entering the international market.

The above is the relevant introduction of which model of household air conditioners are generally used. Note that the air conditioner refrigerant must be filled according to the model marked on the air conditioner, avoiding the air conditioner system Cause damage.

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