Danfoss Compressor SH780B9AAH

09/10/2020

Advantages of air compressor equipped with permanent magnet synchronous motor

1. High efficiency The high efficiency mentioned here does not only mean that the efficiency of the rated power point is higher than that of the ordinary three-phase asynchronous frequency modulation motor, but refers to its average efficiency in the entire speed range. The excitation field of the permanent magnet synchronous motor is provided by the permanent magnet.

07/14/2020

What are the reasons why the air conditioner is not cooling?

What are the reasons why the air conditioner is not cooling? In summer, people turn on the air conditioner mainly to get a cool feeling, but they did not find that the air conditioner has not been cold for a long time. The air conditioner is not cooling. What are the reasons why the air conditioner is not cooling? Many air conditioners are not cooling, because it is faulty Problem, so it is necessary to repair it, what are the ways to repair the air conditioner?

04/22/2025

The difference between chilled water, cooling water and condensed water and the principle of refrigeration

The central air-conditioning host is composed of a compressor, an evaporator, a condenser, and a throttle valve. The compressor provides energy. The condenser reduces the temperature of the refrigerant from the compressor.

06/29/2020

How the compressor works

07/23/2020

Refrigeration compressor motor burnout detection and repair methods, quickly collect it!

The core component of the refrigeration system is the compressor. The faults of the motor refrigeration compressor (hereinafter referred to as the compressor) can be divided into motor faults and mechanical faults (including crankshaft, connecting rod, piston, valve plate, cylinder head gasket, etc

08/02/2020

How to manage the temperature after the cold storage is built

After the cold storage is built, the temperature in the cold storage must be better adjusted. This content is actually very important, but the corresponding precautions should also be grasped in the process of adjusting the temperature of the cold storage.

07/28/2022

How to install a Vane Pump

The pump body is installed and fixed on a special foot rest with screws, and the foot rest is fixed on the base plate of the machine and equipment with bolts.

09/20/2020

Rolling bearing technology

Rolling bearing technology Rolling bearing temperature 　<br></br>　 The main factors of bearing operating temperature:

08/19/2020

Troubleshooting of low valve temperature of screw chiller

The outlet temperature of the expansion valve of the screw chiller reflects the evaporation temperature, which is a factor that affects the heat exchange. Generally, the difference between it and the outlet temperature of the refrigerant water is 5~6℃.

06/14/2020

York screw RXB RXF compressor professional maintenance

History of screw compressors: Screw compressors applied for patents in Germany in 1878. In 1935, a screw compressor with 4 male threads and 5 female threads applied for a patent, which marked the birth of a modern screw compressor. The company that obtain器2䀀
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