Delta Fan AFB0948M

08/20/2020

Several reasons for the poor cooling effect of air-cooled chillers

A chiller that uses a fan to exchange air to achieve the purpose of heat dissipation is called an air-cooled chiller. Based on the fact that the temperature in summer is getting higher day by day, and there is no maintenance for the chiller, then its cooling effect will definitely decrease.

08/13/2020

What is the principle of installing refrigerators in cold storage

In the cold storage, refrigeration units such as semi-hermetic refrigeration compressors are very important, because with them can the cold storage become a real cold storage.

08/03/2020

Detailed explanation of some air conditioning and refrigeration methods in data center computer rooms

Option 1: Condensation and dripping<br></br> 　　 There are many reasons for the condensation and dripping of the air conditioning system during debugging and operation.

06/14/2020

Inspection method of screw refrigeration compressor (technical sharing)

Inspection method of screw refrigeration compressor (technical sharing) 1. Disassembly 　　 Before the screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pi器2䀀
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06/03/2025

Reasons and necessity of overhaul of oil-injected twin-screw air compressor

The structure of the main engine (also known as the head) of an oil-injected twin-screw air compressor is usually composed of a pair of mutually meshing screws, main engine casing, high-pressure end and end cover, and low-pressure end and end cover.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

Data Center Refrigeration System 41 Questions and Answers

How to repair the air conditioner compressor failure In summer, air conditioning is used more often, and the cooling effect of the air conditioner depends on the compressor, so once the cooling effect disappears, it means that the compressor has failed. 器2䀀
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08/20/2020

What is the difference between fixed speed and inverter air conditioners and their respective characteristics

The fixed speed air conditioner means that the speed of the internal compressor motor is constant, and the temperature is adjusted by switching the compressor on and off. Inverter air conditioners are variable speed air conditioners,

08/14/2020

Effective means to reduce the resistance of condenser heat transfer system

To ensure that the condenser has a higher heat transfer coefficient, it is necessary to reduce the resistance in the system. There are three ways to achieve this goal.

06/22/2020

Causes and judgement of centrifugal compressor surge

Causes and judgement of centrifugal compressor surge Causes of centrifugal compressor surge ①Flow<img src="{{media url=&quot;Causes_and_judgement_of_centrifugal_compressor_surge.jpg&quot;}}" alt="" /> Each centrifugal compressor corresponds to a curve between outlet pressure P and flow rate Q at different speeds n, as shown in Figure 2.