Copeland Compressor ZP61K5E-TFR-275

08/11/2020

How to choose refrigerant for high and low temperature alternating damp heat test chamber

There are many kinds of refrigeration used in the high and low temperature alternating damp heat test chamber, and different refrigerants have very different uses and application ranges. Today, we will focus on explaining the main refrigerants on the market.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/10/2020

About the role of screw air compressor inverse proportional valve

The inverse ratio valve is used in conjunction with the disc air intake control. When the system pressure increases due to the decrease in air consumption and reaches the set pressure of the inverse ratio valve, the inverse ratio valve acts and reduces the control air output.

09/30/2025

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner The fixed speed air conditioner means that the speed of the internal compressor motor is constant and the temperaturŒﰨ2䀀湠疌VǜV
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08/24/2020

Problems in the planning, design and operation and maintenance of air conditioning and refrigeration systems

Usually, people look at the air conditioning and refrigeration system of a data center as simple, thinking that it is enough to create a temperature environment that meets the requirements and standards as long as the IT equipment runs.

07/14/2020

Key factors for energy saving of screw air compressor

Key factors for energy saving of screw air compressor The rotor profile of the screw air compressor has a certain impact on energy saving. Before 2000, the screw air compressor was still in the growth period, and reliability was the main problem. At that time, the rotor profile development of screw air compressors made reliability the main goal.

08/13/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

01/02/2021

The Danfoss DNA

Our DNA is about keeping the essence of Danfoss and sits right at the heart of our Core & Clear strategy. The Danfoss DNA The Danfoss DNA Our DNA determines who we are,and where we want to go.It is our essence. Our irreducible core.The foundation of ou器2䀀
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08/17/2020

Reasons and repair methods of screw damage of screw chiller

Screw chillers are named after the use of screw compressors. They are often used in large-scale industrial refrigeration such as chemical plants and central air-conditioning systems. Because the performance of screw chillers is more stable and efficient,

06/14/2020

A complete list of technical solutions for maintenance of screw refrigeration compressors

A complete list of technical solutions for maintenance of screw refrigeration compressors Screw refrigeration compressor is the core component of the refrigeration system. Whether the unit is running well is directly related to safety and energy consumpt器2䀀
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