SQUARE D Circuit Breaker HDL36030

07/30/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

08/20/2020

Popularization of food cold storage and precautions for use

With the development of science and technology, people's living standards are improving day by day, and more and more types of food are used. It can be described as a dazzling array of items.

04/25/2022

What is a Surge Protection Device?

Surge protection device, also known as SPD, is an electronic equipment that provides safety protection for various electronic equipment, instruments and communication lines.

09/04/2020

Comparison and analysis of two types of air compressors

In air-cooled air compressors, the cooling fans are mainly divided into two types: axial fans and centrifugal fans. The following mainly summarizes, analyzes and compares two types of axial fans and centrifugal fans.

08/24/2020

Causes of uneven liquid distribution in refrigeration systems and tragic cases!

If the distribution head is not evenly distributed, it will cause too much refrigerant in some of the branches, which will cause the evaporator to frost.

06/29/2020

What is the cause of compressor pipeline vibration

08/20/2020

What is the working principle of air-cooled air conditioners and what are the selection techniques

In recent years, the development of the air-conditioning industry has made some relatively new technologies gradually applied to these aspects. Even in the dry autumn or cold winter, the air conditioner still plays an important role, and its appearance isﰸ2䀀
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11/30/2021

Differences Between Sensor and Transmitter

Sensors and transmitters play an important role in the field of automatic control. Transmitters are developed based on sensors, which have close relationship and differences.

08/11/2020

The key points that should be paid attention to in the process of central air conditioning construction management

1. Preliminary preparations for central air-conditioning construction<br></br> The construction process of the central air-conditioning is a complex and systematic project.

08/20/2020

Common problems that should be paid attention to in the selection of cold storage forklifts

With the development of the Chinese economy and the increase in the urban population, the consumption level of the people continues to increase, and the demand for refrigerated food in the society is also showing explosive growth.