Nidec Fan A33875-72

08/19/2020

What are the characteristics of lithium bromide absorption refrigeration units in air conditioning projects

In air-conditioning engineering, most commonly used refrigeration units are vapor compression refrigeration methods, and the refrigerant used in compression refrigeration is halogenated hydrocarbons (ie Freon).

05/02/2025

Your Complete Guide to Refrigerator Fan Failures and Frequently Asked Questions

Refrigerators are essential appliances in any modern household, ensuring the freshness and longevity of perishable items.

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes. At least one four-way reversing valve is added inside the unit,

09/04/2020

In the nitrogen generator system, are the gas storage tanks and refrigeration dryers necessary equipment

Users often ask about nitrogen generators. After some understanding and communication, I asked users, if you buy a nitrogen generator, how big is the gas storage tank?

07/19/2020

Screw chiller-the operation process of refrigeration compressor!

Screw-type (ie twin-screw) refrigeration compressors have a pair of mutually meshing rotors with helical teeth in opposite directions. A rotor with a protruding tooth surface is called a male rotor, and a rotor with a concave tooth surface is called a female rotor. The teeth of the rotor are commensurate with the piston,

08/29/2020

Six reasons and solutions for oily exhaust of screw air compressors

Failure factors of screw engine exhaust with oil 　　 Among the failures of screw compressors, the faults with oil in the exhaust are the most common. The main factors that cause the faults with oil in the exhaust are:

04/20/2023

Diagnosis and Troubleshooting of Refrigeration Compressor Failure

The main content of the following is the failure diagnosis and troubleshooting related to the refrigeration compressor system. After reading the following content, you will know how to diagnose a refrigeration compressor failure.

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.

08/07/2020

What to do if the air conditioner drips Why not try this trick

Every household basically has air conditioners, but dripping of air conditioners is really a big problem. Many people don't understand why the air conditioners are dripping.

06/29/2020

Compression ratio of American Copeland compressor