NEC IC Integrated Circuit C177G

09/10/2020

What problems should be paid attention to when operating the centrifugal oxygen compressor

Compared with air compressors, centrifugal oxygen compressors are characterized by their different working media. Oxygen is a strong oxidizer and combustion-supporting agent. Therefore, there are stricter requirements for safety in design, manufacturing, installation, and use management. E.g:

06/23/2020

Reasons and solutions of refrigerator not cooling

In the use of refrigerators, when there are more or less problems, I believe many people have encountered the reason why the refrigerator at home does not cool. What will you do when you encounter this situation? How much do you know about the reasons for the refrigerator not cooling? What? The following editor will introduce the reasons and solutions for the refrigerator not cooling, I hope to help you.

08/25/2020

What are the irrelevant and unreasonable requirements in air conditioning procurement

As a device commonly used in daily life and work, the purchase demand for air conditioners is strong all year round. Looking through the bidding documents of the government procurement of air-conditioning projects,

08/20/2020

What is the difference between chillers and general water cooling equipment

Today, with the rapid development of modern industrial technology, in order to improve production efficiency, improve product quality, and reduce production costs, the requirements

08/05/2020

How to avoid water leakage in central air conditioner

In the hot summer, there is nothing more comfortable than staying in an air-conditioned room. If there is, it must be blowing on the air conditioner, eating iced watermelon, playing with the mobile phone...

06/23/2020

What is the solution of air conditioning not cooling

There are many reasons why the air conditioner is not cooling. For example, if the air conditioner refrigerant is insufficient, you can find a professional to add snow; secondly, it may be caused by the error of the air conditioner installation, such as the ventilation pipe is too long. It is recommended to shorten the length of the ventilation pipe; A lot of dust stains accumulate on the radiator and cause no cooling. It is recommended to clean the air conditioner.

07/07/2020

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

08/24/2020

Very strange Why does the air conditioning and refrigeration suddenly malfunction

Commonly used home appliances like air conditioners are very common in our lives, but in the process of use, large appliances such as air conditioners often have one or another failure.

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.

08/29/2020

alert! These types of air compressors must not be bought, beware of being fooled!

alert! These types of air compressors must not be bought, beware of being fooled! These types of air compressors must not be bought, they are easy to be deceived!