Copeland Compressor ZPDT27MCE-TFM

08/11/2020

What will happen if the thermal expansion valve is configured too large

A 10P air-conditioning unit is equipped with a 12-ton (1 cooling ton=3.517KW) expansion valve. What will happen?<br></br> 　　 If you follow the DANFOSS selection software, this configuration will not be recommended (all think this type of selection is too large)<br></br>

06/14/2020

Cause Analysis of Refrigeration Compressor

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start 1) First check the main circuit. Whether the power supply has power, whether the voltage is normal,

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

02/13/2025

Advantages and disadvantages of screw refrigeration compressors

Screw refrigeration compressor is a rotary positive displacement compressor. It uses the change of the cogging volume and position of the screw to complete the process of vapor suction, compression and exhaust. Oil-free screw compressors came out in the 1930s, mainly used to compress air. Later, the oil-injected screw compressor appeared in the cylinder,

04/21/2025

Different Types of Pressure Transmitters, Working Principle, and How to Select Pressure Transmitter

Pressure transmitter is a kind of pressure measuring instrument widely used in many transmitters. It is widely used in petroleum, chemical, metallurgy, food, electric power, medicine, papermaking, textile and other industries.

07/20/2020

Six aspects of repair and maintenance of refrigeration compressors in cold storage

A. During the initial operation of the cold storage unit, carefully observe the oil return of the compressor and keep it clean. If you find that the oil level is not clean enough or if the oil level drops, you should add oil or replace it with new oil in time. This can avoid poor lubrication

11/15/2023

Computer Fan Basics: Size, Bearing, Connector, Frame

A passive heatsink does not make noise, and the quiet effect is naturally superior to all active heatsinks, but it will have a large gap with the latter in terms of heat dissipation.

08/08/2020

The cooling effect of industrial chillers is getting worse You may have forgotten this operation

"Strange, why the cooling effect of the chiller I bought has deteriorated?" "How can the temperature drop not as fast as before?" ... Many people who use chillers may have this experience, no matter what kind of chiller,

06/29/2020

What is the cause of compressor pipeline vibration

07/03/2020

Global Centrifugal Air Compressor Market Size, Analytical Overview, Growth Factors, Demand, Trends And Forecast To 2026

Global Commercial Refrigeration Compressors Market: Trends Estimates High Demand by 2027 The “Commercial Refrigeration Compressors Market” 2020 report includes the market strategy, market orientation, expert opinion and knowledgeable information.