What is the difference between R410A and R22 refrigerant? Take a look!

What is the difference between r410a and R22 refrigerant and copper tube? Many friends said that it is difficult to distinguish clearly. Let's take a look at the differences between them. We must remember it!

10 major differences between R22 and R410A

1. R410A is of low toxicity and is not combustible, and R22 is not combustible. ;

2, R410A does not destroy the ozone layer, R22 is fatal to the ozone layer;

3, R410A system The total heat transfer characteristic is larger than R22, the heat transfer efficiency is high, and the heat exchanger can be miniaturized;

4, R410A system has better cooling capacity, R22 is 100%, R410A is Is 147%;

5, R410A is a refrigerant mixed with HFC-32 (R32) and HFC-125;

6. The operating pressure of R410A is 50~70% higher than that of R22, about 1.6 times;

7, R410A has a higher vapor density than R22, so the vapor flow rate of R410A is higher than that of R22 It is about 30% slower than R22;

8, R410A is more soluble than R22. When the residue floats on R410A, it can circulate smoothly in the system;

9, R410A has higher requirements for copper pipes, while R22 can use ordinary copper pipes;

10. The fatal problem of R410A: the greenhouse gas that it produces, the greenhouse gas effect it produces even partly exceeds R22.

Therefore, R410A is not the ultimate environmentally friendly refrigerant solution for China's air-conditioning industry.

The difference and precautions between R22 copper tube and R410A copper tube

1, R410A copper tube must be used for high-strength compression Copper pipe. Spare parts must also be dedicated. R410a copper tube can be used to replace ordinary R22 copper tube, but it is absolutely impossible to use ordinary R22 copper tube to replace R410a copper tube;

2, R410A new refrigerant is separated in During installation, it should not be confused with the connecting pipes and refrigerants used in R22 air conditioners;

3, R410A air conditioners have high requirements for installation. The action must be rapid, the emptying must be sufficient, do not drip sweat into the connecting pipe, do not mix other insoluble impurities into the system, it is best to do it in sunny days;

4. During maintenance If the refrigeration system is cut open, the filter drier must be replaced, and the refrigeration system should not be exposed to the air for more than five minutes.

5. After the maintenance is completed, the vacuum pump used should be a special vacuum pump, which should not cause mixed pollution of refrigerants, and the vacuuming time must be guaranteed to be more than 25 minutes .

6. R410A refrigerant should be stored in an environment below 30°C. If it has been stored in an environment above 30°C, it must be stored in an environment below 30°C. It can be used after being stored for more than 24 hours.

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