Danfoss Compressor SM090W4RG

09/06/2020

What are the advantages and characteristics of power frequency screw air compressors

What are the advantages and characteristics of power frequency screw air compressors? 　　 Power frequency screw air compressor adopts high-efficiency host The power frequency screw air compressor adopts the industry-leading screw main engine, high efficiency, low speed, the rotor adopts the third-generation tooth profile

08/15/2020

How to operate the cold storage distribution box during cold storage installation

In the process of cold storage installation, the use of cold storage power distribution boxes is a very important content, but most people are not very familiar with the normal operation of cold storage power distribution boxes.

07/07/2020

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

07/10/2020

Working principle of screw air compressor

Working principle of screw air compressor The screw type air compressor is a machine used to increase gas pressure and transport gas, and belongs to a working machine that converts the power energy of the prime mover into gas pressure energy.

10/12/2021

What are the Major Causes of Variable Frequency Drive (VFD) Damage?

The larger the setting value, the higher the gain and the greater the stiffness. Under the same frequency command pulse condition, the position lag will be smaller.

08/21/2020

The role of pressure relay in refrigeration system

In industrial refrigeration, a pressure relay is an electric switch controlled by a pressure signal. It is often used as a protection and regulating element that directly controls the start and stop of the refrigeration compressor or controls the opening and closing of certain solenoid valves

08/20/2020

Selection, installation and inspection of solenoid valves in cold storage

When selecting, the solenoid valve diameter of the same size as the pipeline should be configured according to the size of the cold storage refrigeration equipment pipeline.

07/27/2020

What is the principle of air conditioning refrigeration system? What is the heating principle of the air conditioner?

When we use the air conditioner, the commonly used function should be the cooling function, because the cooling function can bring us a more comfortable and cool environment in summer,

07/05/2020

Hitachi 6HP Inverter Compressor-Compressor

Hitachi 6HP Inverter Compressor-Compressor Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

07/29/2020

Failure analysis Is the air conditioner buzzing about to explode

Summer is the peak season for air-conditioning, and the frequency of air-conditioning in the home has increased significantly. After frequent use, some friends said that the air-conditioning in the home is always buzzing.