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Air conditioner does not need to be lack of refrigerant if it is not cooling_maintenance

As soon as the temperature soared, the air conditioner in the home came to work again. Recently, a Weibo about air-conditioning maintenance without refrigeration and refrigerant is a waste of money, which has caused heated discussion. The Weibo mentioned that under normal circumstances, air-conditioning does not require refrigerant for 10 years.     So, is this statement reliable? What are the reasons why the air conditioner is not cooling? How should citizens prescribe the right medicine?     If the air conditioner has good airtightness, there is no problem if no refrigerant is added for 10 years. Even if it is less than 10 years without refrigerant, an air conditioner with normal quality assurance usually does not require refrigerant for four to five years. Yesterday, Master Chen, who has been engaged in air conditioning maintenance for more than 10 years, confirmed this statement.     If the air conditioner in the home has insufficient refrigeration or does not operate normally, in addition to insufficient refrigerant, it may also be caused by the aging of the outdoor unit compressor or poor cleaning during use. Master Chen said.     How can you tell if the air conditioner is really short of refrigerant? Master Chen told reporters an observation method. There are two tubes on the outdoor unit of the air conditioner, one thin tube and one thick tube. If the thin tube freezes and becomes frosted, it is really short of refrigerant.     Effective cleaning also plays an important role in ensuring and improving the cooling effect of air conditioners, and can also extend the life of household air conditioners. In fact, the general public can clean the air conditioner alone.    S* First, clean the internal machine. The filter must be cleaned, and the photocatalyst in the air conditioner needs to be exposed to the sun for more than ten minutes before it is used to maintain its function. If it is used for a long time, there will be more wind and dust in the internal machine, and the evaporator also needs to be cleaned. For air conditioners that work in places with a lot of oily smoke, the entire air conditioner needs to be removed and cleaned completely.     In addition to the inner machine, the outer machine must also be cleaned. If the outdoor unit is not hung high outside, the user can clean the condenser and heat exchange with clean water.

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