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08/09/2020

What are the reasons for the frost of the refrigeration compressor

The importance of the refrigeration compressor in the entire cold storage refrigeration system is self-evident, I believe everyone knows it. Next, let's watch Xiaobian teach you to turn things around.

02/13/2025

Advantages and disadvantages of screw refrigeration compressors

Screw refrigeration compressor is a rotary positive displacement compressor. It uses the change of the cogging volume and position of the screw to complete the process of vapor suction, compression and exhaust. Oil-free screw compressors came out in the 1930s, mainly used to compress air. Later, the oil-injected screw compressor appeared in the cylinder,

08/24/2020

What should I do before the air conditioner is turned on for the first time when I encounter the new crown virus in summer

In a live broadcast last night, Dr. Zhang Wenhong said that China’s epidemic prevention and control has done a good job. When people wear masks, the probability of contracting the new crown virus is very small. He said that when it is hot,

08/19/2020

Can the fresh air system, air purifier and air conditioner replace each other

1. Fresh air system 　　 Fresh air system is based on the use of special equipment on one side of a closed room to send fresh air to the room, and then discharge from the other side by special equipment to the outside,

07/11/2020

Working flow chart of screw air compressor

Working flow chart of screw air compressor In the first step, the air compressor sucks the surrounding air through the air filter to make it enter the compression host.

08/19/2020

The top ten coal-to-electricity installation misunderstandings this winter may cause air source manufacturers to stumble

With the arrival of the 2020 Detroit heating season, nearly 100,000 air-source heat pump heating systems that have been installed in a dozen suburbs of Detroit before have begun to intensively accept the test of the cold winter.

09/07/2020

The technical knowledge of these three types of screw air compressors must be mastered by sales engineers

Sales engineers need to understand the basic principles of air compressors. I believe that the company has given a brief introduction after joining, so I won’t repeat them. If you still don’t understand, you can consult books.

06/14/2020

The air conditioner power is 4500w, and the 4A power cord 32A is open, why is it always tripped

The air conditioner power is 4500W, 4 square power cord, and the 32A air switch will trip for a period of time, because it can run for a period of time, so it is not a problem of excessive starting current, so let's analyze the power is 4500W Air conditio器2䀀
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07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

01/07/2021

Today in the air-conditioning market is tomorrow for fresh air systems

Today in the air-conditioning market is tomorrow for fresh air systems Now we have a fresh air system for work and life, so that even if we are in a closed building environment, we can breathe fresh air. In fact, today's fresh air system has also gone 器2䀀