Carel Temperature Controller IR33W7HB20

08/02/2020

Air conditioning refrigerant specific classification and price

In the refrigeration device, there must be a working fluid in which the state changes and completes the thermodynamic cycle process.

08/02/2020

Basic principles of data center cooling and energy saving solutions

Basic principles of data center cooling and energy saving solutions<br></br> Each data center has its own characteristics, so there is no technical solution that can be applied to any data center.

07/11/2020

Screw air compressor structure

Screw air compressor structure Screw air compressor structure diagram Internal mechanism diagram of screw air compressor Cross-section picture of screw compression structure

12/23/2022

What is an Erbium Doped Fiber Amplifier?

The erbium optical fiber amplifier (EDFA) is an optical amplifier made of optical fiber doped with erbium.

08/09/2020

You must look at this place to buy an air conditioner

You must look at this place to buy an air conditioner<br></br> If you buy an air conditioner, you have to look at this place. My family chose the wrong electricity bill and doubled it. I regret to find it late!

08/14/2020

Characteristics and application analysis of cold storage evaporator

As one of the four major components of refrigeration, the evaporator plays a vital role in the entire refrigeration system. Therefore, the compressor and evaporator can only be matched reasonably to make the entire refrigeration system perform better.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/03/2020

The difference between refrigerant R404A and R507

Refrigerant is also called refrigeration working fluid, which is the blood of refrigeration system. It is called refrigerant, refrigerant or Freon in many places.

09/01/2020

The most complete version｜Basic theoretical knowledge of compressed air (1)

1. Compression purpose 　　The basic purpose of gas compression is to deliver gas at a pressure higher than the original pressure. The original pressure level may vary from a very low absolute pressure (a few thousandths of a kilogram) to several thousand kilograms;

04/04/2025

Solenoid Valves on KOBELCO Excavators: Locations, Functions, Error Codes and Troubleshooting Methods

When KOBELCO excavator displays error codes starting with D and E, such as D012 and E013, they are a solenoid valve problem.