Filling Freon is a refrigerant commonly used in refrigeration equipment such as home air conditioners and cold stores. The following is a tutorial on how to use freon refilling:

First, prepare the necessary tools and materials, including the freon refilling refrigerant, pressure gauges, filters, and leak detectors. Next, make sure that the air conditioner or cooler has stopped functioning and that all the gas in it has been vented out. Then, add Freon to the lowest fitting to fill all pipes and equipment.

Next, test the refrigerant using a pressure gauge to make sure that the system's pressure is within the specified range and won't cause any damage or malfunction. Finally, start up the air conditioner or cooler to make sure the system is operating properly without any leaks or other problems.

It is important to note that addition of Freon is a hazardous substance that can harm the environment and pose a threat to human health if it is not disposed of correctly or released into the atmosphere. Therefore, it is important to follow safe operating procedures when using freon addition, and to properly handle and recycle the waste refrigerant to minimize the impact on the environment and human beings.

In short, the rational use of Freon can effectively improve the efficiency and life of refrigeration equipment, while reducing pollution and waste to the environment, attention to these aspects is not only to comply with the relevant regulations, but also to effectively protect our ecological environment and our own health.

In addition, special attention should be paid to the following points:

1. Before using Freon, be sure to carefully check the integrity and sealing of the refrigeration system. If there are leaks or other problems, they must be addressed before adding refrigerant.

2. When adding refrigerant, it is important to ensure that the temperature is appropriate to avoid damage to the refrigeration system.

3. When disposing of waste refrigerants, regulations must be followed. There is an option to give them to an authorized recycling agency for disposal.

4. For users who do not have the ability to add Freon refilling and related equipment, they should ask a professional construction unit to carry out fluorine refilling operations.

In short, the correct use of Freon is very important, because the wrong use may lead to loss of life and property. It is recommended to read the instructions or consult a professional before use to ensure your safety and success.