Schneider VFD Frequency Converter ATV71EXS5C16N4

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

01/20/2022

The Difference between a Wireless Transmitter and Wired Transmitter

Transmitters are used in wide applications, such as information transition and remote control by computers. Since transmitters determine devices to work, it is important to get the right one.

06/14/2020

EM compressor explosion diagram

EM compressor explosion diagram

07/16/2020

Judgment of the failure of piston compressor in starting

Piston compressor It is a type of compressor commonly used in industrial refrigeration. Most piston compressors use a semi-closed shape, which is simple and convenient to maintain and repair. It is widely used in large supermarkets, cold stores, laboratories, and various refrigeration equipment.

09/07/2020

How to choose a frequency conversion air compressor correctly

The rise in raw materials, the rise in energy costs, the rise in human resources, and the rise in various aspects have made China, a major producer country, less and less advantageous.

09/10/2020

Summary Essentials of water treatment for central air-conditioning chillers

Looking at the management of central air-conditioning throughout the country, it is found that very few are well managed, and all have problems of one kind or another to varying degrees. The main problems are described as follows: 1. Problems caused by the unreasonable design of the design department

06/21/2020

Working principle of reciprocating piston compressor_Characteristics of reciprocating piston compressor

Working principle of reciprocating piston compressor_Characteristics of reciprocating piston compressor <img src="{{media url=&quot;wysiwyg/Working_principle_of_reciprocating_piston_compressor.jpg&quot;}}" alt="" /> Reciprocating piston compressor 　　Positive compressor that changes the internal volume of the compression chamber by one or several reciprocating pistons.

08/05/2020

The difference between the three types of evaporators dry, flooded, and falling film evaporators

The refrigerant in the dry evaporator passes through the heat exchange tube, and the cold water runs outside the high-efficiency heat exchange tube. Such a heat exchanger has relatively low heat exchange efficiency,

09/07/2020

The contents of air compressor major, medium and minor repair

What are the specific contents of air compressor major, medium and minor repairs? 　　What is included in the overhaul of the compressor? 　　Answer: Compressor overhaul is generally carried out once after 12,000-26,000 hours of operation.

08/24/2020

Apply these 5 parameters to easily determine whether the refrigeration and air-conditioning system is operating normally!

1. Condensing temperature Condensing pressure is the pressure at which the refrigerant condenses into liquid in the condenser. Because the pressure inside the condenser in the refrigeration system cannot be measured,