Schneider Contactor LC1D32FDC

08/21/2020

The role of pressure relay in refrigeration system

In industrial refrigeration, a pressure relay is an electric switch controlled by a pressure signal. It is often used as a protection and regulating element that directly controls the start and stop of the refrigeration compressor or controls the opening and closing of certain solenoid valves

06/14/2020

What is the principle of air conditioning expansion valve Technical stickers!

The electronic expansion valve is a throttling element that can enter the refrigerant flow of the refrigeration device according to a preset procedure. In some occasions where the load changes drastically or the operating range is wide, the traditional th器2䀀
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08/08/2025

Why Refrigeration Compressor Oil Deteriorates & How to Add Oil

The lubricating oil used in a refrigeration compressor can lubricate the friction surface, reduce the friction work, friction heat and avoid wear of the compressor motor.

09/07/2020

Lubricant-Protector of Industrial Equipment

Reducing friction is one of the main purposes of lubricating oil. In addition, lubricating oil has other functions. For example, the lubricating oil film can prevent rust; prevent metal from being corroded; the lubricating oil can also play a cleaning role.

04/03/2025

Servo Motor vs. Stepper Motor: Unraveling the Differences and Choosing the Right Fit

In the realm of automation and precision control, the choice between servo motors and stepper motors plays a pivotal role in determining the efficiency and accuracy of various systems.

05/11/2022

What is PLC?

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

08/15/2020

Steps to determine the cause of the failure of the thermal expansion valve

1. When the refrigerant of the refrigeration system leaks completely, or there is no refrigerant flowing through the thermal expansion valve due to other reasons, the valve body of the thermal expansion valve will not be frosted.

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

05/24/2023

Why is My AC Compressor Not Turning on and What to Do?

The air conditioner compressor (AC compressor) is generally installed in the outdoor unit. When the air conditioner is running, the compressor sucks the refrigerant from the low-pressure area

06/29/2020

Several causes of compressor burning