Copeland Compressor ZR19M3-TW7-522

08/02/2020

How to blow pollution after installation of cold storage refrigeration system

The reason for blowing dirt after the refrigeration system is installed is that during the installation or maintenance of the refrigeration system, there will inevitably be welding slag, rust, oxide scale and other impurities in the refrigeration system.

08/13/2020

Air-cooled modular cold and hot water unit configuration and takeover notes

The air-cooled modular hot and cold water unit is a combination of independent air-cooled heat pump units. At present, the modular unit is a very good model in the commercial air conditioning market.

07/05/2023

HVAC Compressor 101: Working Principle, Types, Function

The compressor is a critical component of any HVAC (Heating, Ventilation, and Air Conditioning) system, responsible for compressing and circulating the refrigerant that cools the air.

07/27/2022

Classification of Vane Pumps

During a rotation cycle, the volume between adjacent vanes changes because of the rotor’s eccentric mounting position. This creates the pumping action.

09/10/2020

What factors affect the displacement of centrifugal compressors

1) The air filter is blocked or the resistance increases, causing the suction pressure of the compressor to decrease. When the outlet pressure is constant, the compressor pressure ratio is increased. According to the performance curve of the compressor, when the pressure ratio increases, the displacement will decrease;

07/16/2020

Tips for compressors using refrigeration oil

The amount of frozen oil used. The amount of refrigerating oil should be controlled after the installation of the overall refrigeration system. After the trial operation, the oil return position of the refrigerating oil seen from the sight glass of the compressor should be at the center line of the sight glass.

07/19/2020

Screw chiller-the operation process of refrigeration compressor!

Screw-type (ie twin-screw) refrigeration compressors have a pair of mutually meshing rotors with helical teeth in opposite directions. A rotor with a protruding tooth surface is called a male rotor, and a rotor with a concave tooth surface is called a female rotor. The teeth of the rotor are commensurate with the piston,

06/29/2020

Compression ratio of American Copeland compressor

09/08/2020

Several major misunderstandings for air compressor oil! ! !

When the air compressor is working, the surface of the moving parts will produce severe friction. The function of air compressor oil is to form a good oil film between moving parts, separate the contact surfaces, replace dry friction with wet friction, and turn solid friction into liquid friction.

08/28/2024

11 Steps to Compressor Replacement Following Burnout! Did You Do It Right?

We have previously published an analysis of the causes of compressor coil burnout. Today, let's talk about how to deal with a compressor burnout? Can we directly replace it with a new compressor?