Danfoss Compressor SH590A3ALJ

08/20/2020

Popularization of food cold storage and precautions for use

With the development of science and technology, people's living standards are improving day by day, and more and more types of food are used. It can be described as a dazzling array of items.

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

08/14/2020

Common failures of cold storage compressors and on-site countermeasures

The cold storage compressor is a machine used to increase gas pressure and transport gas. From the energy point of view, the cold storage compressor is a machine that converts the power energy of the prime mover into gas pressure energy.

08/16/2020

How to improve the service life of the regulating valve

The control valve is not like a manual valve. After it is installed, it is rarely managed and maintained. It must be maintained frequently to ensure normal operation and long service life. Below we introduce eight ways to extend the service life of the control valve.

07/02/2020

Compressor operation in the heart of the refrigeration system in 2020

Compressor operation in the heart of the refrigeration system in 2020 A compressor is a fluid machine that raises low-pressure gas to high-pressure gas. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigeration cycle, thereby achieving compression-condensation (heat release) )-Expansion-evaporation (heat absorption) refrigeration cycle.

09/09/2020

Comparison of screw type and piston type air compressor

Friends who are often exposed to air compressors should know the basic difference between piston air compressors and screw air compressors. They have obvious differences in structure, moving parts and operating parts, as well as consumption life and performance. , The following brings you some knowledge about the difference between the piston machine and the screw machine.

07/30/2020

Collection of various types of faults and troubleshooting methods for central air conditioning!

Collection of various types of faults and troubleshooting methods for central air conditioning

08/25/2020

Precautions for showcase

After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using a supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the box for storage.

08/20/2020

No kidding, which three leaks of air conditioning in summer will kill you

Summer is the peak time for the purchase of air conditioners. In addition to buying the right air conditioner, the installation of the air conditioner, from the author's point of view, requires more effort than the product itself.

06/29/2020

How the compressor works