Fuji VFD Frequency Converter FRN0.1E1E-4C

08/08/2020

Causes and elimination of air intake in the refrigeration system of industrial chillers

Water-cooled industrial chillers and air-cooled industrial chillers are generally used in long-term working conditions. If there is a little leakage in the refrigeration system, air will enter the refrigeration system of the industrial chiller over time.

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,

10/16/2021

How to Use a Rotary Encoder

A rotary encoder converts the angular position or motion of a shaft or axle to analog or digital output signals, so it is also called a shaft encoder. Absolute encoder and incremental encoder are the two main types.

07/07/2020

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

06/25/2020

The air conditioner suddenly stopped cooling.

1.The air conditioner remote control may not adjust the temperature. 2. It may be that the air conditioner has not been cleaned for too long, which causes dust to accumulate on the filter net, so that the cold air blocking the air conditioner cannot be blown out. 3. There may be leakage of freon in the air conditioner, resulting in too little freon, and the air conditioner is not cooled. 4. Energy saving is due to unstable voltage, which causes the air conditioner to not be cooled. 5. It may be that the number of air conditioners is insufficient, and the small number of horses is not used for cooling in a large area of the house.

09/04/2020

Is there still money to make air compressor accessories now

According to incomplete statistics, the total annual market for compressor accessories in China is about 3 billion. Now, in addition to energy-saving products, some large manufacturers, especially those with more distribution agents, are pinning their profit growth points on the sales of original parts. Many companies have launched their own parts malls.

07/30/2025

Troubleshooting Loud Server Fans: Causes and Solutions

In the realm of technology, servers serve as the backbone of numerous industries, powering everything from websites to data centers.

06/19/2024

3 Common Hydraulic System Problems: Causes and Solutions

Hydraulic systems are widely used in various industrial sectors such as machine tool industry, engineering machinery, mining machinery, agricultural machinery, and automobile industry.

06/14/2020

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor 1. Principle 2. The redundant function of the cooling system; 3. In terms of operating efficiency:

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,