ROHM IC Integrated Circuit BA4558N

08/16/2020

Electronic expansion valve replaces expansion valve on a large scale to solve two key problems

At present, the trend of the refrigeration industry is reflected in energy saving, environmental protection, intelligent control, etc. As one of the four key components of the refrigeration system,

03/03/2021

Voltage of servo motor: relationship between voltage and speed of servo motor

1)At high speed, the speed is proportional to the voltage 2) At low speed, the voltage is lower than the decrease of speed;

05/10/2023

What is a scroll compressor? Everything You Need to Know

A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. So there are scroll air compressors and scroll refrigeration compressor (refrigeration scroll compressor).

08/24/2020

How to determine the demand for precision air conditioners

Precision air conditioners are high-precision air conditioners used in computer rooms that can control the temperature and humidity of the computer room. Its design is to solve the large load heat density in the data center.

07/30/2020

Causes and troubleshooting of industrial chillers

1. High condensing pressure (higher than the specified value) failure causes and remedies:<br></br> 　　①There is non-condensable gas in the system: release non-condensable gas.

07/05/2020

Hitachi 5P cold storage compressor

Hitachi 5P cold storage compressor Practical knowledge-advantages and disadvantages of the four compressors There are many kinds of compressors, commonly used are scroll compressors, piston compressors, centrifugal compressors, screw compressors, etc.

06/24/2020

What is the problem with the poor cooling effect of the air conditioner

In the hot summer, I believe that many people can not do without air conditioning, air conditioning can allow us to spend this summer in a cool environment. However, in the process of using air conditioners, I believe that many people have encountered a situation where the cooling effect of the air conditioner is not good, so why is the cooling effect of the air conditioner not good? What needs to be solved.

04/13/2023

15 Refrigeration System Components Structure, Function, Working Principle Diagram (1)

There are four main components in the refrigeration system, namely compressor, condenser, throttling device (such as capillary tube, expansion valve), evaporator.

08/17/2020

How to choose chillers for small factories

At present, the chiller industry is continuously accelerating the pace of development. More and more different types of chillers have emerged, and many small chiller factories have been born.

07/07/2020

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