ABB Circuit Breaker S5N630

08/19/2020

Maintenance solutions for refrigeration system of constant temperature and humidity test chamber

In the maintenance practice of the constant temperature and humidity test chamber, once the capillary tube is blocked in the refrigeration system, the evaporator and the condenser tube and the connecting pipe are broken or welded

12/30/2024

Principles and Differences of 2-wire, 3-wire, and 4-wire Transmitters

2-wire, 3-wire, and 4-wire transmitters refer to the transmitters whose outputs are analog DC current signals.

06/28/2020

Trouble analysis and elimination of semi-hermetic compressor motor

Trouble analysis and elimination of semi-hermetic compressor motor Abstract：Semi—hermetic compressor often be used in the water—cooling unit of air conditioning system，and it’S motor which work in rather high temperature and pressure condition，even work with refrigerator and oil， has a poor working condition．

04/29/2022

What is A Contactor?

Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC). They are used in power, power distribution and electric field combination.

08/28/2020

See the real chapter for details, small technology to solve big problems-talk about tunneling effect and its improvement

In the introduction of adsorption dryers, the term "tunneling effect" is often mentioned. So what exactly is "tunneling effect"? We call the phenomenon of uneven air distribution in the drying tower, rapid flow in the middle and slow flow at the edges as Rﰨ2䀀湠癒Vǜ

06/29/2020

Several causes of compressor burning

08/13/2020

What is the principle of installing refrigerators in cold storage

In the cold storage, refrigeration units such as semi-hermetic refrigeration compressors are very important, because with them can the cold storage become a real cold storage.

07/25/2020

The 9 types of compressor failure and hazard analysis are all in it! ! !

Start with liquid is a problem that easily occurs during shutdown. In the shutdown state, the refrigerant will migrate from the system back to the compressor and be deposited in the lubricating oil.

03/07/2024

Do Crawl Space Ventilation Fans Work?

Crawl spaces often hide beneath our homes, often overlooked but crucial for maintaining structural integrity and indoor air quality.

08/14/2020

The refrigeration device is prone to failure and the reason

Among the failures of refrigeration equipment, failures caused by "leakage" and "blocking" are the most common.