Danfoss Compressor SZ300A9CAM

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

06/22/2020

Which refrigerator is better

The two cooling methods of the refrigerator are good. From the perspective of defrosting, the air-cooled refrigerator will perform better, because the air-cooled refrigerator uses forced air convection to cool the temperature. It reaches the expected temperature, and it is not easy to frost. The direct-cooled refrigerator absorbs heat by the evaporator to reduce the temperature, and it is easy to condense the frost.<img src="{{media url=&quot;magefan_blog/Which_refrigerator_is_better.jpg&quot;}}" alt="" />

08/17/2020

Too high or too low oil pressure of industrial chillers affects normal operation

When using industrial chillers, regular inspection and maintenance work is essential. In the absence of basic maintenance and regular inspections, many industrial chillers are prone to different failures.

08/20/2021

Things You Need to Know about Refrigerator Compressor Hot

A lot of people are worried about whether the compressor overheating is due to refrigerator quality problems.

03/02/2023

The Types of Air Cylinder and Notices for Use

Air cylinder is a tube-shaped metal mechanical part that guides the piston to do linear reciprocating motion in its insides.

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.

08/20/2020

Sitting on the floor air conditioners are mostly non-compliant or deadly killers

When summer is here, air conditioners have become a favorite "weapon" for the public, but if installed and used improperly, they can also become a deadly "killer." On June 1, the owner of a hairdressing shop in Rong'an County,

07/24/2020

Comparison of working principle of single screw and twin screw refrigeration compressors

Twin-screw refrigeration compressor is an energy-adjustable oil-injected compressor. Its three continuous processes of inhalation, compression and exhaust are realized by periodic volume changes when a pair of intermeshing female and male rotors rotate.

10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

06/29/2020

How the compressor works