How much is the refrigerant for cars, and what is the standard for refrigerant pressure in car air-conditioning?

Today, the editor will introduce to you that the cost of refrigerant in cars and the pressure of refrigerant in car air conditioners are the standard. As the weather gets hotter and hotter, people become more manic, especially in confined and small spaces. The driver is like in a steamer, but thanks to the car air conditioner, the editor below will tell you how much refrigerant is added to the car, and the pressure of the refrigerant in the car air conditioner is the standard. I hope it can help you.

Automobile air-conditioning refrigerant pressure standard-introduction

The so-called automobile air-conditioning refrigerant is usually called Freon, which is also called 'refrigerant' in the market. 'Or called 'refrigerantThe refrigerant pressure gauge is also called a refrigerant gauge or a fluorine gauge. It is used to measure the current pressure of the refrigeration system. It is mainly used to detect the pressure value of the refrigerant at different stages of the system, and the operating conditions of the user holding the equipment. At present, the accuracy requirement of the refrigerant pressure gauge in our country is 2.5.

1. When the compressor is 1500~2000rpm, it is normal that the high pressure (discharge pressure) is about 1.5~2.0 mpa, and the low pressure (suction pressure) is about 0.15~0.35 mpa. Specifically, it depends on the matching of the air conditioning systems of different vehicles and the ambient temperature.

2. At idling speed (engine 700~900rpm), if the ambient temperature is high, such as direct sunlight in summer, the high pressure may be slightly higher, the highest can reach about 2.5~2.8 mpa, but generally Will not exceed 3.1 mp.

Auto air-conditioning refrigerant pressure standard-how to judge whether to add refrigerant

Under normal circumstances, cars do not need to add refrigerant for 3-5 years, but Sometimes the cooling effect of the refrigerant is not good and it needs to be added.

Method 1: After the air conditioner is normally turned on for a period of time, the wind blowing on the body feels very cold and can quickly reach the set temperature. The outdoor compressor can be like a refrigerator. Work for a while and stop for a while, which indicates that it is normal, otherwise there may be a need for refrigerant.

Method 2: Use a thermometer to measure the temperature difference between the inlet and outlet of the indoor unit. If the difference is above 8℃, the larger the normal temperature difference, it means that the better the air conditioner is, the better it can reach about 15℃. If the difference is less than 8°C, refrigerant may need to be added.

Method 3: Turn on the indoor unit panel ten minutes after starting up, you should see that the copper tube of the evaporator is covered with aluminum fins for heat exchange, and it is evenly covered with condensed water. This is normal air humidity. The time is more than the less. If half and half are not, there may be a shortage of refrigerant. Such as partial frost or ice formation is also abnormal.

Method 4: Users who have used for more than half a year can check whether there are obvious signs of oil leakage at the pipe joints of the indoor unit and the valve of the outdoor unit. If there is obvious oil leakage, it indicates that the machine is leaking. Because the oil and fluorine are mutually soluble, the leakage of oil will cause fluorine, and the leakage of fluorine will cause oil leakage.

Car air conditioning refrigerant pressure standard-how much is appropriate to increase

The general car indicates how many grams to add, and there are 300 grams to more than 600 grams. Generally, there are three or four bottles of refrigerant added to five or six bottles. The main thing is to look at the pressure gauge, the air conditioner is turned on, and the compressor is working, the high pressure is about 200, and the low pressure is about 20-30. If the refrigerant is sufficient, why does the air conditioner not cool? It may be: insufficient refrigerant, refrigerant leakage, non-condensable gas or too much refrigerant in the system, blockage of the liquid storage tank, dry gas filter, blockage of the expansion valve filter, excessive oil content in the system, and control valve failure (Variable displacement) There may be internal leakage or pipeline blockage.

The above is what the editor introduces to you. Of course, how much refrigerant is added to a car and how much refrigerant pressure is for car air-conditioning is a standard. Well, too little is not enough, you have to grasp the standard. If it is not enough, the cooling effect will be poor, and if it is too much, it may cause the compressor to not work or be damaged.

Hangzhou E cool refrigeration Co.,Ltd is fully committed to supplying high quality products and services.

Review Hangzhou E cool refrigeration Co.,Ltd's progress at regular intervals, so we can continue with the strategies that work well and change or eliminate the ones that don't give the results we are looking for.

Deeper connections between Arkool and refrigerant gasare made when you go beyond the white lights of a corporate space.

Regularly improving air conditioner capacitor in accordance with customer feedback is a great way to show your brand listens and cares.