What do you think of the fluorine meter of air conditioner? What kind of air conditioner needs fluoride?

Some air conditioners need to be fluorinated because they have been used for a long time or have poor refrigeration effect. Of course, fluoride is not how you want to add it, how much you want to add it, but a certain amount. This requires us to read fluoride meters, and many people don't. So what do you think of air-conditioning fluoride meters? What kind of air conditioner needs fluoride? As the weather gets hotter and hotter, some air conditioners need to be fluoridated because they take a long time or have poor cooling effect. Of course, fluoride is not how you want to add it, how much you want to add it, but a certain amount. This requires us to read the fluoride table. Many people don't watch it, fearing that the master will add too little fluoride. So, I want to know. Then I'll introduce the fluoride meter for air conditioning. what do you think? What kind of air conditioner needs fluoride?

What do you think of the fluorine meter of air conditioner?

General air conditioning depends on the fluoride meter, and the scale on the meter is pressure. Through the pressure display, we can know the exhaust pressure (high pressure) and inlet pressure (low pressure) of the compressor, and judge whether the system is running normally, such as system blockage, refrigerant leakage and other faults. There should be MPa (MPa) and bar (bar) on the meter, which are commonly used pressure units in China, 0.1MPa =1bar =1kg/cm2, kg/cm2-this unit is not the national legal unit of measurement, and it is not marked on the meter now, but it is still more oral. Taking R22 as an example, according to the different ambient temperatures, the low pressure of the refrigeration system is generally 3^6bar and the high pressure is generally10 25 bar during normal operation.

What kind of air conditioner needs fluoride?

1. If you feel that the air conditioner is short of fluorine, you can judge it by observation. First of all, we should set the air conditioner in the high-speed operation state of cooling or heating. When the air conditioner refrigerant is sufficient, the temperature difference between the indoor heat exchanger and the air outlet should be: greater than 12℃ in the cooling state and greater than 16℃ in the heating state. During refrigeration, the condensation and evaporation sounds of the indoor heat exchanger are even and low, at the same time, the outdoor stop valve is exposed to condensation and dripping water in summer, and there is frost or dew at the joint between the indoor heat exchanger and the capillary.

2. Adjust the air conditioner in the high-speed operation state of cooling and heating. At the low-pressure shut-off valve, while adding fluorine, observe the change of its ammeter. When the current approaches the rated current indicated by the air conditioner, close the fluorine bottle valve. After that, let the air conditioner continue to run for a while. In the air conditioning refrigeration state, the room temperature is close to 27℃ or in the heating state, the room temperature is close to 20℃. At the same time, taking into account the outdoor temperature, power grid and other factors, fine-tune the fluoride content to reach the rated current value.

3. Connect the three-way valve, pressure gauge and fluorine hose. In the process port of the three-way stop valve. Wait until the fluorine is discharged and emptied, and then slowly add fluorine. At the same time, weighing tools such as platform scales are used for weighing. When the refrigerant reduction in the fluorine bottle is equal to the standard amount set on the nameplate, close the fluorine bottle valve.

What do you think of the air conditioner fluorine meter I introduced above? What kind of air conditioner needs fluoride? We have made some understanding about the fluorine content in air conditioners. Although it is relatively simple to look at the fluoride meter, my suggestion is that in order to prevent the master from adding too little fluoride, we must find a regular company when looking for a fluoride company, so that there will be no unprofessional damage to the air conditioner.