ST IC Integrated Circuit L9678P

07/31/2020

Common problems and solutions of industrial chillers summarized by the maintenance master

1. Water leakage (first determine the location of the water leakage)<br></br> 　　 1. Water leakage from the pump (causes: the shaft seal at the water pump is not well connected or the shaft seal has been damaged)

06/14/2020

What should I do if the refrigeration compressor has serious frost

1. The frost on the compressor return air port indicates that the temperature of the compressor return air is too low, so what will cause the compressor return air temperature to be too low?

08/20/2020

Purchase must see! How to distinguish between original refrigeration compressor and second-hand refrigeration compressor

At present, illegal businesses on the market often use second-hand or refurbished or offline refrigeration compressors to make industrial chillers in order to make huge profits.

08/16/2020

How to implement the first cooling in the installation of low-temperature cold storage

Before the cold storage is put into production, the installation and debugging of the low-temperature cold storage system is a very important content.

03/12/2025

Reciprocating Compressor Bearing Bush Troubleshooting

As we know, compressors have been applied in a wide range in industry.

08/26/2020

Current Status and Experimental Research of New Type Compressor Lubricant

Newly developed high-quality products The high performance and reliability of the compressor not only depend on the design and manufacturing process of the compressor itself, but also have a lot to do with the compressor oil used for the new compressor.

12/20/2022

What is an Optical Fiber Amplifier?

The optical fiber amplifier, also known as the optical fiber ampler (OFA for short), refers to a new type of all-optical amplifier used in optical communication link to realize signal amplification.

06/29/2020

What is the cause of compressor pipeline vibration

08/20/2020

Daily maintenance and performance characteristics of air-cooled chillers

Although the air-cooled chiller is equipped with multiple protection devices, these are all to prevent failures from directly damaging the unit. If the company wants to ensure that the air-cooled chiller has high cooling efficiency and long service life,

06/14/2020

What is the energy efficiency ratio of air conditioning

What is the energy efficiency ratio of air conditioning What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio?