Danfoss Compressor SY380A9YA

08/04/2020

The correct method and detailed steps of the cooling system of the computer room

1. The equipment pipes of the refrigeration system must be drained before operation to remove the welding slag, iron filings, sand and other dirt remaining in the system during the installation process.

08/20/2020

Analysis and troubleshooting of common faults in cold and hot water air conditioning systems

Common faults of cold and hot water air conditioning systems mainly come from three major parts: the refrigeration system, the water pipe system and the surrounding environment.

09/10/2020

Air compressor valve selection steps and selection examples

The valve is a control component in the fluid conveying system, which has the functions of cut-off, regulation, diversion, prevention of reverse flow, stabilization, diversion or overflow and pressure relief.

06/29/2020

The role of freezing oil in screw refrigeration compressor

The role of freezing oil in screw refrigeration compressor The role of lubricating oil: 　　 1) A dynamic seal is formed between the screw and the compression chamber and the male and female screws to reduce refrigerant leakage from the high-pressure side to the low-pressure side during the compression process.

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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08/20/2020

Failure analysis Is the air conditioner buzzing about to explode

Summer is the peak season for air-conditioning, and the frequency of air-conditioning in the home has increased significantly. After frequent use, some friends say that the air-conditioning in the home is always buzzing.

12/14/2023

Comprehensive Guide to 32 Various Refrigerants (Summary of Characteristics＆ Uses of Commonly Used Refrigerants)

0HFC Series Refrigerants: R134a, R410A, R407C, R417A, R404A, R507, R23, R508A, R508B, R152a

09/07/2020

Why do air compressors need post-processing equipment

When the air compressor produces compressed air, it is basically equipped with a complete set of post-processing equipment. The post-processing equipment of the air compressor is composed of air storage tanks,

08/02/2020

Talk to the manufacturer's engineer and tell you how important refrigeration oil is to refrigeration equipment!

Although the refrigeration oil is only a small material, if you accidentally use inferior products, you can even burn the machine. I believe that many colleagues have often encountered it.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start