CHINT Switch NM1LE-250S/4300A 200A

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.

08/02/2020

From the perspective of horsepower and energy efficiency ratio, central air conditioners should be selected like this!

The choice of central air conditioner for decoration has become a market trend. How to choose a suitable central air conditioner, choose a duct machine or a multi-line group

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/13/2020

Reasons for vibration of inlet and outlet pipes of reciprocating compressor

During the air load test of the carbon dioxide compressor, the pipeline between the third-stage outlet buffer and the third-stage cooler, the pipeline between the fourth-stage outlet buffer and the fourth-stage cooler,

03/11/2021

The main circuit fuse fusing is a common fault of SCR servo driver. The causes of fuse fusing are as follows

The "phase sequence" of power incoming line is incorrect. Due to the synchronization problem between the trigger pulse and the main circuit of SCR servo driver, there are strict requirements on the "phase sequence" of the input power supply. If the "phase sequence" is not correct, connecting the power supply may immediately cause the fuse of the main circuit of the driver to blow.

07/18/2020

The common fault analysis of refrigeration compressors is here!

Working condition and adjustment of refrigeration system of low temperature chiller Refrigerators are now widely used in the refrigeration industry, and the refrigerant is usually R22 (also R404a). In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor, oil separator, water-cooled shell and tube condenser, filter drier

10/05/2023

Freeze Drying vs Dehydration: Is a Freeze Dryer and a Dehydrator the Same Thing

When it comes to preserving food, there are a variety of methods that can be used. Two of the most common methods are freeze-drying and dehydrating.

08/20/2020

What do I need to prepare for the purchase of a high-speed refrigerated centrifuge

The high-speed refrigerated centrifuge plays an important role in the collection of microorganisms, cell debris, cells, large organelles, sulfuric acid precipitates, and immunoprecipitates.

07/04/2020

Several common failures reported by Taikang compressor customers

No matter what product business you do, customer feedback and market research are very important. If you come up with a product, the customer's response is not good, and no matter how much effort you make, how much publicity will be useless and a waste of time.

07/22/2020

The working principle of cooling and heating of air conditioning

In addition to the cooling function, the heating and cooling air conditioner also has the heating function. The biggest difference from a single-cooling air conditioner is that an electromagnetic four-way reversing valve is installed in the heating and cooling air conditioner.