EMERSON Controller Module PR6423/002-041

07/29/2020

Refrigerant filling

After the leak test of the refrigeration system is completed, it should be filled with refrigerant. However, the Freon refrigeration system must be vacuum dried before being filled with refrigerant. When the drying is not complete, the refrigerant cannot be filled.

06/14/2020

Air compressors are gradually diversifying. Air compressor industry energy-saving products will become winners

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06/18/2020

The main reason for the slow heating of air conditioners

The main reason for the slow heating of air conditioners There are several reasons for the slow heating of air conditioners: 　　 The dirt of the transpiration device and the condenser is too thick, which will cause air flow blockage, affect the heat declaration, and make the air conditioning heating a big discount. The filter is not cleaned for a long time<img src="{{media url=&quot;wysiwyg/The_main_reason_for_the_slow_heating_of_air_conditioners.jpg&quot;}}" alt="" />

07/13/2020

Danfoss Chinese multiple measures to strengthen the counterfeiting of the compressor market

Danfoss H series scroll compressor flexible sealing technology The scroll compressor is a positive displacement compressor, and the compression component is mainly composed of a movable scroll and a fixed scroll. The scroll compressor was first born in 1905 and was invented by the French engineer Leon Creux.

12/27/2022

How do Programmable Logic Controllers Work?

When a programmable logic controller (PLC) is put into operation, its working process is generally divided into three steps, namely input scan, executing program(s), and output scan.

09/06/2020

Air filter manufacturers introduce you to several common materials of filter cotton

Filter cotton can be divided into G1, G2, G3, G4, F5 grades according to the filtration efficiency, and according to different materials, it can be divided into 4 types: synthetic fiber filter cotton, non-woven filter cotton, glass fiber filter cotton, and activated carbon filter cotton.

07/27/2020

The use and maintenance operation of screw unit

Parallel unit: generally composed of the same type of compressor, but also can be composed of different types of compressors. It can be composed of the same type of compressor, or it can be composed of different types of compressors (such as piston machine + screw machine). As shown below:

09/09/2020

Classification of air filters

Air filter has three methods: inertia, filtration and oil bath. 　　①Inertial type: Since the density of impurities is higher than that of air, when the impurities rotate or make sharp turns with the air, the centrifugal inertial force can separate the impurities from the airflow.

08/03/2020

New type of solar equipment can be heated and cooled

A recent study by Chinese and American scientists published in the American "Joule" magazine shows that they have developed a new type of equipment that can use the principle of radiant cooling while heating by solar energy. Installing such equipment on the roof helps to save energy.

06/29/2020

Compression ratio of American Copeland compressor