CELDUC Relay SOM040200

08/04/2020

Why is the compressor short of oil, and why does the evaporator have an oil film

The compressor is a complex machine that runs at high speed. Ensuring adequate lubrication of the compressor crankshaft, bearings, connecting rods, pistons and other moving parts is the basic requirement for maintaining the normal operation of the machine

06/27/2020

The sign of the normal operation of the refrigeration unit

The sign of the normal operation of the refrigeration unit 1. There is no knocking sound in the piston refrigeration compressor, the compressor is operating normally, the expansion valve opening is adjusted properly, and there is only compressor suction and exhaust sound during operation, and no knocking or other abnormal sounds are produced.

02/24/2025

Portable Air Conditioner Common Fault Codes and Troubleshooting Explained

When your portable/mobile air conditioner malfunctions, it may display a certain code on its panel. This code will let you know what problem is occurring in which area of your air conditioning system at this time.

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,

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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08/02/2020

Analysis of common problems of slow cooling and heating speed of air conditioning

Recently, many people have asked why the cold storage project has a rapid constant temperature after a power failure. This problem is believed to occur when many users use the cold storage.

04/17/2025

Industrial Exhaust Fan: Working Principle, Features ＆ Application

Exhaust fans are a type of ventilation equipment that can be divided into the following types according to usage scenarios and functional characteristics

08/20/2020

Use and maintenance of central air-conditioning chillers

At present, central air-conditioning refrigerators are widely used, especially in shopping malls and other places with a large number of people. What are the cooling principles, system classification and maintenance methods of central air-conditioning refﰸ2䀀

06/29/2020

What is the cause of compressor pipeline vibration

08/31/2020

Discussion on the Prevention of Pollutants from Compressed Air in Food and Beverage Field

According to statistics from the U.S. Department of Agriculture, there are more than 30,000 food and beverage processing plants in the United States, employing more than 1.5 million workers,