Copeland Compressor 4DL3-1500-TSK-001

07/25/2024

Heat Pump Reversing Valve Structure, Working Principle and Troubleshooting

The heat pump reversing valve (HVAC reversing valve) is mainly used in heat pumps. Since there are mainly four pipes connected to it in structure, it is often called a four-way reversing valve.

08/04/2020

Several important issues that should be paid attention to when installing and debugging the inverter on site

nverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

08/14/2020

Where is the secret of energy saving in cold storage

For most fruit farmers, the storage of fruits and vegetables is particularly important in order to gain a good momentum in the coming year. Everyone is not unfamiliar with the storage method of fruits and vegetables in cold storage,

08/24/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

08/14/2020

What are the noteworthy issues in central air conditioning design

1. Variable air volume ratio 　　 The air-conditioning system runs under partial load conditions most of the year, that is to say, the fans, ducts and air volume of the end of the variable air volume system are mostly between the maximum and minimum air volume limits.

08/18/2020

Air-cooled chiller inspection steps and solutions

Generally, after using the air-cooled chiller for a long period of time, some problems cannot be avoided. If there is a failure, we should carefully check the operating conditions of the various parts of the machine.

08/03/2020

What is the cooling system of the computer room refrigeration facility, adsorption refrigeration, and assembly cold storage

Many people have little understanding of the cooling system of the computer room refrigeration facility, adsorption refrigeration, and prefabricated cold storage.

08/09/2020

Regulations for the adoption of heat recovery chillers in refrigeration stations

1. For buildings that require both cooling and heating, heat recovery chillers can be selected when the technical and economic analysis is reasonable. By recovering the heat lost by the cooling water, the unit is used for air conditioning hot water or hot air preheating,

08/29/2022

4 Common Types of Circuit Breakers

The circuit breaker is an automatic device for stopping the flow of current in an electric circuit as a safety measure.

06/29/2020

Compression ratio of American Copeland compressor