IRC Resistor 1W 220R

05/23/2025

How to select the thermal expansion valve？

1. The role and classification of expansion valves<br></br> Expansion valve is an important part of refrigeration system, generally installed between liquid storage cylinder and evaporator. The expansion valve causes the medium temperature and high pressure liquid refrigerant to become low temperature and low pressure wet vapor through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the cooling effect.

08/20/2020

Emergency shutdown treatment for sudden cooling water cut

During the operation of refrigeration equipment, accidents of sudden cooling water interruption sometimes occur. The cause of this accident is generally the failure of the cooling water pump.

08/30/2024

10 Steps to Replace an AC Compressor

The compressor is one of the four major components of the air conditioner and is also the heart of it.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

12/29/2021

Where is Servo Motor and Servo Drive Used?

With the development of information, communication and automation technology, a wide variety of automatic control devices have been used in industry production and daily life of modern world.

09/22/2020

The development history of single screw machine

1. The history and current situation of single screw compressor 　　 In 1960, France's B. Zimmern proposed the idea of ​​a single screw compressor and obtained a patent. In 1962, the first prototype was trial-produced, and it was officially produced and put on the market by Peugeot in the early 1970s.

08/24/2020

What are the specific operation methods for cold storage screw compressor maintenance

1. Disassembly method of screw compressor in cold storage 　　 Before the screw compressor of the cold storage must be overhauled, if possible, unload the slide valve to the "0" position, stop normally, and cut off the power supply.

09/08/2020

Chinese screw air compressor parts prices fall but demand increases

In the early stage of China's screw air compressor market, the price of spare parts remained at a relatively high level. The subjective factors of the screw air compressor manufacturer and the objective conditions of the market are the two reasons for this phenomenon.

03/12/2021

Four control modes of servo drive

1.Feedback compensation open loop control. The accuracy of open-loop system is low, because the step error , start stop error and mechanical system error of servo driver will directly affect the positioning accuracy. This system has the advantages of both open-loop and closed-loop, that is, it has the stability of open-loop and the accuracy of closed-loop.

08/24/2020

Why is it forbidden to use the refrigerator

We all know that with the continuous improvement of people’s material living standards, every household now has a refrigerator. The refrigerator is very useful in the home, especially in summer.