Siemens Soft Starter 3RW4028-1TB05

06/14/2020

Common air conditioning host

Common air conditioning host 1. Water-cooled chiller The water-cooled chiller belongs to the refrigeration unit part in the central air-conditioning system. Its refrigerant is water, which is called the chiller, and the cooling of the condenser is r器2䀀
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09/07/2020

Reasons for rust or corrosion of gas tank

The gas storage tank is a part of the post-processing equipment of the air compressor, which mainly plays the role of gas storage, buffering, pressure reduction, and drainage. It will inevitably cause corrosion in the air, rain or humid atmosphere after long-term use or use for many years.

08/16/2020

Factors affecting the performance of cooling towers in water-cooled chillers

For water-cooled chillers, only a reasonably configured chiller can make the cooling efficiency of the water-cooled chiller reach a higher level.

09/07/2020

Ten points to judge the pros and cons of inverter products!

The technical grade of the frequency converter is gradually developed and formed. With the improvement of use requirements and the development of technology, the quality of the device, the expansion of functions, and the progress of automation technology, it will gradually advance.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

07/07/2020

Why defrost cold storage What are the ways to defrost

Why defrost cold storage What are the ways to defrost I. Overview: 　　 The frost on the surface of the evaporator in the cold storage hinders the conduction and distribution of the cooling capacity of the refrigeration evaporator (pipe), which ultimately affects the cooling effect.

08/15/2020

What should I do if wall cracks appear after the cold storage is built

After the construction of the cold storage project, there may be many problems. For example, we have seen a lot of news recently. It is said that the wall cracks appeared after the construction of the cold storage

09/11/2020

Maintenance of screw air compressor

1. Maintenance of intake air filter element. The air filter is a component that filters out air dust and dirt. The filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows particles within 15u to filter out.

06/14/2020

Copeland compressors in the United States (notes)

Copeland compressors in the United States (notes) Heat pump type-excess liquid return test

08/20/2020

What are the requirements of the chiller for the performance of compressor lubricants

The refrigeration compressor is one of the most important components of the chiller, so the lubricating oil (also called refrigerating machine oil) it uses is very demanding.