Do you know the refrigerant (refrigerant) for automobile air-conditioning?

Automobile air-conditioning refrigerants are also called automobile refrigerants. Automobile refrigerants are commonly called refrigerants and ice types. They are divided into environmentally friendly (134a) and non-environmental (R12 is rarely used in car models). It is the refrigerant used in the automobile refrigeration system that generally needs to be filled with refrigerant when the summer arrives. The following two problems should be paid attention to when supplementing the refrigerant in the automobile: one is the problem of non-interchangeable refrigerants, and the other is evacuated. problem.

There are currently two main types of refrigerants for automobile air-conditioning, one is R12 and the other is 134a (HFC-134a). R12 has a long history and is commonly used, but contains Chlorine molecules can destroy the ozone layer in the atmosphere and cause the greenhouse effect. So a few years ago, representatives from all over the world gathered in Montreal to sign the protocol, stipulating that the production and use of freon products should be stopped in recent years, of which R12 bears the brunt. 134a is a product that started to be used in the 1990s. As the non-chlorine molecules have no damaging effect on the ozone layer, there are few changes to the car air conditioning system. Now many new car air conditioning systems at home and abroad use 134a refrigerant.

Different car models refueling volume:

Vehicles with displacement below 1.6L (500g-750g) 2 bottles;

Displacement 1.6L-3.0L vehicles (750g-1000g) 3 bottles

4 bottles for vehicles above 3.0L (1000g-1250g)

The specific filling volume is marked by the vehicle compressor or The pressure gauge shall prevail.

Filling methods and methods

Generally speaking, automobile air conditioning systems are composed of many metal pipes, and there are small joints between the pipes. Therefore, the refrigerant in the air-conditioning system is leaking in a strict sense. However, the leakage is generally very small and has little effect on the cooling effect. However, when the amount of refrigerant in the air-conditioning system is reduced to a certain level, it will lead to insufficient air-conditioning refrigeration.

Precautions

1. Do not incinerate empty bottles, do not store them in places with corrosive gas, and empty cans cannot be reused.

2. Wear goggles during operation. If you accidentally splash it in your eyes or on your skin, please rinse immediately with plenty of water and seek medical attention.

3. It is strictly forbidden to aim the bottom of the tank at the human body during operation.

4. If you accidentally enter the mouth, you should immediately cause vomiting and seek medical attention.

5. Do not place it in a place where the temperature exceeds 50 degrees.

6. Do not place it in a place directly exposed to sunlight, and do not fill the refrigerant back into the tank.

7. If heating is required, please use hot water for heating, and prohibit the use of other heat sources.

8. Do not place it where children can reach.

Damage to vehicles caused by inferior refrigerants

If inferior refrigerants or different types of refrigerants are used, it will cause abnormalities in the compressor, poor cooling, and pipelines. Corrosion, leakage and other important parts are damaged. Even during the driving of the vehicle, due to poor refrigeration efficiency and overloading of the compressor, higher fuel consumption will be produced.

At the same time, as the recent research of Arkool shows, the benefits of improved productivity and firm performance can make implementing basic management practices worth it.

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