Rockwell AB VFD Frequency Converter 20BB070A0AYNANC0

04/20/2023

Diagnosis and Troubleshooting of Refrigeration Compressor Failure

The main content of the following is the failure diagnosis and troubleshooting related to the refrigeration compressor system. After reading the following content, you will know how to diagnose a refrigeration compressor failure.

08/14/2020

Need heat preservation for precision air conditioner cooling pipes

Whether the cooling water pipes of precision air conditioners should be insulated depends on specific conditions. Under normal circumstances, it is not insulated,

07/05/2020

Why is frost formed between the electronic expansion valve and the compressor

Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

06/25/2020

Make home life easy for a summer

Refrigerators, I believe that every household has its figure, which guarantees the freshness of the food and brings a hint of coolness on the hot summer day. The core component of the refrigerator is the compressor. How does the refrigerator compressor work? Today, let's take a look at the relevant introduction of refrigerator compressor!

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/19/2020

The reason for the large power consumption of the chiller

As the evaporation temperature decreases, the compression ratio of the compressor increases, and the energy consumption per unit of cold production increases. So, what are the reasons for the high power consumption of the chiller?

08/03/2020

HVAC essential! Three steps to accurately calculate the cooling capacity of central air conditioning

The cooling capacity calculation of central air-conditioning is divided into three steps: 1. Calculate the actual cooling capacity required: Calculate according to the practical area of ​​the room (carpet area, the floor area of ​​the home can be deducted from the floor area); 150 watts per square meter;

09/22/2020

Discussion on Calculation Method of Surge Line of Rich Gas Compressor

1 Introduction The catalytic cracking rich gas compressor is a kind of compressor, which is very representative. For this reason, the catalytic cracking rich gas compressor is taken as an example to discuss the calculation method of the surge line of the rich gas compressor control system.

09/11/2020

Energy saving China's big idea

From global emission reduction actions to the fashionable low-carbon economy, from smart grids from models to new energy vehicles, the human economic growth model in the era of transformation is undergoing a gorgeous and tempting turn. . Under the background of this magnanimous background, China Energy Conservation's long-term planning and specific actions have been given strong and vivid connotations.

08/07/2020

What does air conditioning vrv mean How to choose an air conditioner

Air conditioners are a concern that every family will choose, and there are more and more types of air conditioners. Many people must pay attention to the above identification problems when buying air conditioners,