COSEL Power Supply CBS100241R8-RF1

08/11/2020

How to use semi-hermetic refrigeration compressor to save energy

The increasing population has made the problem of scarcity of resources increasingly serious, especially some non-renewable resources, which have become the focus of the struggle between countries.

07/07/2020

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

08/08/2020

Daily maintenance method of precision air conditioner for computer room

With the development of science and technology, the precision air conditioners in the computer room are gradually upgraded, and the cost is getting higher and higher. Therefore, it is more necessary to increase maintenance efforts.

06/20/2022

How Does a VFD Work?

The first stage of a Variable Frequency AC Drive, or VFD, is the Converter. The converter is comprised of six diodes, which are similar to check valves used in plumbing systems.

11/08/2021

Guide of Siemens Pressure Transmitter: Features, Working Principle and Troubleshooting

Siemens pressure transmitter is a kind of equipment which converts pressure into pneumatic signal or electric signal for control and remote transmission.

01/31/2023

What is a Gear Reducer?

The gear reducer is an independent enclosed transmission gear between the prime mover and the machine, which is used to reduce the speed and increase the torque to meet the work needs.

01/09/2023

What is a Refrigeration Solenoid Valve?

The refrigeration solenoid valve is a valve that controls the automatic opening and closing of the refrigerant in the refrigeration system.

08/18/2020

Reasons and precautions for supporting cooling towers of industrial chillers

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. In order to improve the operating efficiency and cooling effect of industrial chillers, many companies mostly adopt external cooling towers for reconstruction.

06/14/2020

A complete list of technical solutions for maintenance of screw refrigeration compressors

A complete list of technical solutions for maintenance of screw refrigeration compressors Screw refrigeration compressor is the core component of the refrigeration system. Whether the unit is running well is directly related to safety and energy consumpt器2䀀
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05/11/2022

What is PLC?

Programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environment.