Danfoss Compressor SH195A3AAV

04/10/2025

5 Types of Compressors for Central AC (Working Principles, Pros and Cons)

Do you know the working principles, advantages and disadvantages of piston compressors, rolling piston compressors, scroll compressors, screw compressors and centrifugal compressors for central air conditioning?

08/14/2020

Trouble shooting and correct selection method for thermal expansion valve debugging

As we all know, the thermal expansion valve is one of the four major components in the refrigeration system. It is responsible for reducing the refrigerant from the condensing pressure to the evaporating pressure in the system

07/07/2020

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

08/21/2020

Avoid stepping on pits when buying air conditioners, just refer to these points!

Recently, as the temperature rises, some cities in the north have entered a continuous high temperature mode. The continuous high temperature has caused many people to complain: "The air conditioner makes my life a second spring"! The same goes for it, such a hot weather, it is really hard to imagine without air conditioning.

08/20/2020

Technical points of air energy heat pump compressor

In the actual system design, the rules of heat pump operation must also be followed, so that the function of the heat pump special compressor can be truly utilized. Specifically, the following aspects should be noted:

09/21/2020

GQYF-2A type air compressor comprehensive protection device

The six-channel temperature of the compressor is over-temperature, oil-cut, water-cut, and over-air pressure. Coal safety regulations have clearly required that the pressure fan equipment must be installed:

07/30/2020

The cold storage is constructed in this way, and it saves nearly half of the electricity bill!

The cold storage is constructed in this way, and it saves nearly half of the electricity bill!<br></br> Compared with ordinary refrigerators, cold storage has a larger cooling area, and because of the large cooling area, the power consumption is relatively large. Today I will show you how to make cold storage more energy-efficient.

09/06/2020

Application of medical air compressor and supporting nitrogen generator industry

Many friends are not very familiar with the nitrogen generator, and do not know what it is used for. Now I will briefly explain the nitrogen generator and its supporting equipment. Introduction to 　　 Nitrogen Generator

08/13/2020

Installation process and skills of cold storage board

1. According to the design drawings, if there are supporting beams, columns, and supporting steel frames in the library, they should be laid out and positioned according to the requirements of the design drawings, and accurately and clearly marked;

08/11/2020

Common auxiliary accessories and cooling methods for industrial chillers

Commonly used auxiliary accessories for chillers include water flow switch, pressure controller, pressure difference controller, temperature controller and solenoid valve, as well as a brief introduction of three cooling methods,