Schneider Relay LRD3363C

08/11/2020

Correct adjustment method of opening degree of thermal expansion valve

The expansion valve is one of the four major components of the refrigeration system. It is an important device for regulating and controlling the flow and pressure of the refrigerant entering the evaporator, and it is also the "boundary line" between the high and low pressure sides.

06/29/2020

Compression ratio of American Copeland compressor

09/09/2020

How to choose an air filter

Air filters are usually used in ventilation replacement gas and temperature control and conditioning projects. In addition to purifying the air, some also have the functions of fire prevention, moisture prevention and insect prevention.

08/11/2020

Precautions for assembly of compressor oil scraper ring

If the compressor wants to operate normally, it needs to cooperate and cooperate with each other among its internal parts in order to exert the maximum working ability. As a small part of the compressor, the oil scraper ring has an important working capacity.

08/18/2020

How to use low temperature chiller to improve the cooling effect of air cooler

Generally, air coolers are installed outdoors. Therefore, the water temperature of the water storage tray will rise under the high temperature radiation of the scorching sun, which seriously affects the cooling effect.

08/14/2020

What to do when the air-cooled chiller has noise

Any machine will have more or less problems after a long period of use. In the early stage of production, many companies have no production experience at the beginning, and many problems often arise.

09/05/2020

Ten points to judge the pros and cons of inverter products!

The technical grade of the frequency converter is gradually developed and formed. With the improvement of use requirements and the development of technology, the quality of the device, the expansion of functions, and the progress of automation technology, it will gradually advance.

07/11/2022

How to Replace Mechanical Seals in Centrifugal Pumps

Mechanical seals are used in centrifugal pumps to keep water or any liquid from making contact with the delicate parts of the machine.

08/07/2020

What are the selection criteria for electronic valves in cold storage systems

The selection of all components in the cold storage refrigeration system must strictly comply with the four basic principles of safety, reliability, applicability and economy.

08/21/2020

Collection of various types of faults and troubleshooting methods for central air-conditioning!(Ⅰ)

Collection of various types of faults and troubleshooting methods for central air-conditioning! 1.Failure and maintenance methods of fan coil