CKD Switch PFD-402-25

08/13/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

08/26/2020

Features of scroll refrigeration compressor：

Advantages of scroll refrigeration compressors:<br></br> 　　1. There is no reciprocating mechanism, so the structure is simple, small in size, light in weight, few parts (especially few wearing parts), and high reliability;<br></br>

06/16/2020

What is the refrigerator compressor used for

What is the refrigerator compressor used for? 　　Refrigerators use evaporative cooling or vaporization to absorb heat to achieve the purpose of refrigeration. The throat of the refrigerator contains a refrigerant known as Freon, commonly known as refriger器2䀀
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09/08/2020

Air compressor solenoid valve function

Solenoid valves are the basic components of automation used to control fluids and belong to experimental devices. Solenoid valves are not limited to hydraulic or pneumatic; solenoid valves for air compressors are usually used in industrial control systems to adjust the direction, flow, speed, on-off and Other parameters.

08/09/2020

The load calculation formula of computer room air conditioner

The load calculation formula of computer room air conditioner<br></br> 1. The heat and cooling load of the computer room:<br></br> 　　 (1), the heat in the computer room:<br></br>

04/07/2025

Exploring Tunnel Ovens: Structure, Working Principle, Features, and Applications

Tunnel ovens play a pivotal role in industrial baking and various other applications, providing a seamless and efficient means of mass production.

07/07/2020

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

06/21/2020

Which is better, semiconductor refrigeration and compressor refrigeration

Which is better, semiconductor refrigeration and compressor refrigeration <img src="{{media url=&quot;o4YBAF3LcwuAC1ILAAEzxLDPcHA979.jpg&quot;}}" alt="" />Semiconductor refrigeration 　　Semiconductor refrigerator refers to a device that uses the thermo-electric effect of semiconductor to produce cooling capacity, also known as thermoelectric refrigerator. Connect two different metals with conductors, and connect direct current, then the temperature at one contact will decrease and the temperature at the other contact will increase.

11/09/2023

Centrifugal Fan vs. Axial Fan: Understanding the Differences and Applications

Centrifugal fans and axial fans are two common types of fan systems used in various industries and applications.

05/20/2025

6 Ways to Quiet Your Noisy Refrigerator Compressor

A noisy refrigerator compressor can be a source of irritation for homeowners, especially if the appliance is located in a common area of the home.