How to add refrigerant to the air conditioner, this operation can save a lot of money!

When should you add refrigerant to the air conditioner, do you really know? Today, the editor takes everyone to add refrigerant without having to spend money to hire a master! When these two situations occur, it means that you should add refrigerant to the air conditioner!

First, when we can clearly feel that the cooling effect of the air conditioner has dropped significantly, it may be necessary to add refrigerant for the air conditioner.

Second, when the refrigerant is insufficient due to leakage or other reasons, it needs to be overhauled and refrigerant added.

How is the air conditioning and refrigerant process? How much pressure or weight must be added to meet the cooling conditions of the air conditioner.

1. Turn on the air conditioner and start the compressor to ensure that the added refrigerant is at the correct value;

2. Twist off the nut on the main tube of the outer machine and use Tighten the tube that is directly opposite to the refrigerant surface. Don’t make any noise of leaking the refrigerant. Connect the other tube outside the refrigerant surface to the refrigerant tank;

3 、Look at the approximate pressure of the refrigerant table first. If there are more types of refrigerant, you can add a little more refrigerant for a long time. If there are fewer types of refrigerant, then you need to add more slowly for a long time. Otherwise, the refrigerant Adding too much will turn the cart before the horse and affect the refrigeration effect;

4. Open the refrigerant tank, and then open the refrigerant meter valve, turn it on and off for a rhythmic addition, don’t open the refrigerant meter valve at once. Finish, it will cause the refrigerant meter to be washed out in severe cases;

5. When the pointer is only between 0.4MP-0.5MP, it means that the pressure is sufficient, and you can test the temperature of the air outlet of the inner machine. If you think it’s not very cold, you can add a bit more and check the temperature of the outside machine. If the temperature of the wind blowing out is too high and it is hot, you can put a little refrigerant;

6. Close each valve tightly. Take off the refrigerating watch and sprain the nut, and add the refrigerated to finish.

In addition, some friends find it troublesome and are unwilling to operate by themselves, and generally choose air conditioning after-sales service. At this time, we must pay attention: if the air conditioner in the home needs to add refrigerant, it is best to let the installer use a vacuum pump to evacuate the air conditioner, and then add the refrigerant, which will help ensure the service life of the air conditioner compressor.

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