How do I know how much Freon is in the air conditioner?

It is based on this principle:

1. The most direct method is to observe whether the outdoor unit has a heat sensation after the air conditioner compressor is running, and there is a heat sensation. Freon is enough, no need to make up. No heat sensation requires further investigation.

2. If there is less Freon in the air conditioner, it is usually caused by the leakage of the refrigeration cycle pipeline, which directly causes the refrigerant pressure in the refrigeration pipeline to be low, and also directly causes the air conditioner compressor to run, but it does not feel too cold. And the suction pressure and discharge pressure of the compressor should both drop. The pressure value in the refrigeration pipeline depends on the specific conditions of the selected compressor. There is a reference value. The refrigerant pressure hovering between 1.7MP and 1.9MP is a suitable pressure. Insufficient refrigerant, the evaporator in the evaporator drops significantly, so after the compressor is running, it feels not too cold. At the same time, the normal operation of the compressor is indirectly affected, and the working current of the compressor is lower than the rated current.

There are many ways to judge the lack of fluoride in air conditioners, but most of them require professional tools to measure it, but ordinary judgments can also be made by the following methods:

1. The air-conditioning effect is getting worse, and the temperature is obviously low, but you don't feel the coolness, it may be fluoride deficiency!

2, the outdoor unit of the air conditioner frequently starts and stops, and it is obvious that the indoor temperature does not reach the set temperature, and the outdoor unit will still shut down. It may be the compressor overheating protection caused by the lack of fluorine!

3. The noise of the outdoor unit becomes louder, and the compressor that lacks fluorine will always be in high-frequency operation, so the noise will be significantly increased!

4. There are obvious oil stains in the outdoor connecting pipelines, and there will be oil stains in the leakage of Freon. You can test it with detergent and water!

5. The low-pressure pipe of the air conditioner (that is, the thin pipe we see) has frosting, and it is judged that it is caused by the lack of fluoride!

The above is the answer to the related questions about how to know how much Freon is in the air conditioner. Have you learned it?

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