What are the common Qu0026A problems with air conditioning fluoride?

We can find that there are air conditioners on cars nowadays. These car air conditioners are actually the same as the air conditioners we use at home, because when there is a lack of fluoride, we need to add fluoride in time, otherwise we will not be able to use the car normally. air conditioning. So, what are the video tutorials on car air conditioner adding fluoride? What are the common problems of air conditioner adding fluoride? Today we will take a look with the editor.

Video tutorial of car air conditioner adding fluoride:

1. Turn the air conditioner on and operate it in cooling mode (the cooling cannot be turned on in winter, you can put the temperature sensor in In hot water), the fluoride pipe is connected to the interface of the external machine (there are two copper pipes, and the interface of the thick pipe is required for liquid filling).

2. Open the refrigerant cylinder valve and the three-way valve of the pressure gauge (note: the cylinder is placed upright, do not stand upside down), start adding fluorine, and fill it for a period of time (the time is controlled by yourself, and different air conditioners are added. Note that the time is different), close the cylinder valve and check the pressure gauge reading (the reading will slowly fall and then stand still). Generally, it needs to be increased to 0.4-0.5MPa in summer and about 0.3MPa in winter.

3. If the refrigerant has leaked light, you can add fluorine quantitatively, according to the air conditioner's set filling amount, and use a scale to add fluorine according to the standard filling amount. The type of refrigerant and the filling amount are available on the outside machine. Indicated, you can check it yourself.

What are the common problems of air-conditioning fluoride:

1. How long does it take to add fluoride to air-conditioners?

Answer: Different air conditioners do not have the same fluoride time and there is no standard. According to general experience, most 1.5-hp air conditioners take about 3-10 points.

2. Do all air conditioners use R22 refrigerant?

Answer: No. In general, R22 is used for ordinary air conditioners, r410a is used for inverter air conditioners, and R134A is used for automobile air conditioners. The nameplate on the side of the outer unit of the air conditioner indicates the type of refrigerant and the filling amount. You can check it out for yourself.

3. Do you need to vent air before adding fluoride?

Answer: If there is refrigerant in your air conditioner, you do not need to exhaust the air; if the refrigerant has leaked, you need to exhaust the air first.

4. Should we add more fluoride to the air conditioner?

Answer: No. Many people think that it is better to add more fluoride to the air conditioner to make the air conditioner 'full'; some air conditioner maintenance workers will also persuade users in this way so that they can charge more for the opportunity. In fact, the damage of excessive fluoride to the air conditioner far exceeds the damage of fluorine deficiency: 1. Too much refrigerant will result in insufficient space in the system pipes to vaporize the liquid, resulting in poor air conditioning refrigeration; 2. The compressor compresses low-pressure refrigerant gas into high-pressure refrigerant gas. When the amount of fluorine is too much, some of the liquid refrigerant that cannot be compressed enters the compressor, causing the pressure in the compressor to increase sharply, and the compressor is likely to be scrapped. (70% of the refrigerants used in the air conditioning repair market are counterfeit and inferior products. The pressure of this refrigerant is lower than normal. If the air conditioner is filled with this refrigerant, when the pressure reaches the specified pressure, the filling amount has already exceeded the standard. Many This is why the compressor was scrapped shortly after the user’s air conditioner was fluorinated.)

5. Why the refrigerant effect of the air conditioner that has just been fluorinated is still poor.

Answer: Possible reasons: 1. There is a leak in the pipes of your air conditioning and refrigeration system, and the added refrigerant has leaked. You need to plug the leak first and then add fluorine again. 2. The dust accumulation of your air conditioner radiator seriously affects the heat dissipation effect, and you need to clean the radiator. 3. Your air conditioner is added with low-quality refrigerant. In addition to the poor cooling effect, it will also corrode the compressor and cause the air conditioner to be scrapped. It is recommended that you release the fake and inferior refrigerant in the system and refill it with genuine refrigerant.

All the knowledge about the video tutorial of car air conditioner fluoridation and the common problems of air conditioner fluoride, the editor will tell you that, in fact, car air conditioner fluoride and us There is still a little difference in the fluoridation of air conditioners at home. At least, we do not find someone to repair and add fluoride to the air conditioners of our cars, but go directly to the car maintenance center for maintenance. This is very convenient.

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