Schneider Contactor LC1R40F5N

08/25/2020

The reason why the freezer glass door is not closed tightly

The glass door of the freezer is not closed tightly. It is common for both domestic and commercial freezers. When we are at home, we rarely pay attention to whether the door of the freezer can be closed tightly.

10/08/2025

HVAC Compressor 101: Working Principle, Types, Function

The compressor is a critical component of any HVAC (Heating, Ventilation, and Air Conditioning) system, responsible for compressing and circulating the refrigerant that cools the air.

08/08/2020

The cooling effect of industrial chillers is getting worse You may have forgotten this operation

"Strange, why the cooling effect of the chiller I bought has deteriorated?" "How can the temperature drop not as fast as before?" ... Many people who use chillers may have this experience, no matter what kind of chiller,

07/27/2020

What should I do if the compressor burns out？

Why does the compressor burn the motor? What is the cause of the burn-in phenomenon? A summary of the reasons for motor burn-in can be divided into: load, power supply, motor insulation, and lack of equivalence.

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

08/16/2020

Comparison of the advantages and disadvantages of household central air conditioners and traditional air conditioners

1. Functionality 　　 traditional air conditioning 　　 Traditional air conditioners generally have three basic functions: cooling, heating, and dehumidification. However, fresh air cannot be introduced.

08/24/2022

Choose the Right Electric Valve Actuator

The actuator is an indispensable and important part of automatic control system. Its function is to accept the control signal sent by the controller and change the size of the controlled medium

05/14/2025

Troubleshooting a Refrigerator Compressor Running But Not Cooling: A Comprehensive Guide

The refrigerator is an essential appliance in every home, keeping our perishable food items fresh and safe for consumption. However, when the refrigerator compressor is running but the refrigerator is not cooling

09/06/2022

What is the Difference between Synchronous and Induction Motor

Electric motors are roughly divided into three types, synchronous motor, asynchronous motor

06/29/2020

Suggestions for troubleshooting of compressor with liquid start