Copeland Compressor 4DRNR28ME-TSK-001

08/16/2020

Installation method of valve in refrigeration system of industrial chiller

n the refrigeration system of the industrial chiller, the main function of the valve is to control the flow and direction of the refrigerant. In daily use, the valve is often used.

01/14/2021

Is the core technology of air conditioning monopolized by Japan

Is the core technology of air conditioning monopolized by Japan Household air-conditioning compressors are not dominated by Japanese manufacturers. The range of Japanese compressors with a high share is the large-capacity variable-frequency inverter r器2䀀
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08/19/2020

The role of refrigerant in air-cooled chillers

The refrigerant itself circulates continuously in the refrigeration system, and then realizes refrigeration through its own state changes. The refrigerant absorbs the heat of the cooled medium in the evaporator and vaporizes

06/14/2020

Before replacing the compressor, remember to do 10 things first, remember ~~

Before replacing the compressor, remember to do 10 things first, remember ~~ 1. Before replacing, you must check the cause of the damage to the original refrigeration compressor and replace the defective parts. Because damage to other components will dir器2䀀
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06/30/2020

Causes of compressor burnout

Causes of compressor burnout Common failures of compressors are mainly the following three: 1. Motor burned out; 2. Liquid shock; 3. Oil shortage caused by refrigeration oil. 　　 Today I will give you a detailed analysis of the cause of the motor burnout.

08/11/2020

What are the parts of the electrical installation of cold storage engineering installation

The electrical installation of cold storage engineering can include overhead lines, lighting, cables, machine room wiring, workshop or factory area power transformation and distribution.

07/29/2020

Common sense of wire and cable calculation

What is the maximum current and power that a square wire can pass? How much wire is used for 100KW of electricity for project construction? Large wires cause waste, and small wires have more serious consequences. Here I share with you my estimation experience.

06/29/2020

Several causes of compressor burning

09/14/2020

Synthetic refrigerating oil for R22 screw machine: CP-4214-85, CP-4214-150, CP-4214-320, CP-4214-100

SOLEST series synthetic refrigerating oil: SOLEST LT-32, SOLEST 46, SOLETS 68, SOLEST 120, SOLEST 170, SOLEST 220, SOLEST 370, CP-2931AH, CP-2931A　 Refrigeration oil: CP-1008-68, CP-1009-68, CP-1516-100, CP-1516-150, CP-4600-68, CP-4600-100, CP-4700-32, CP-4700-68 , CP-4700-100　

08/18/2020

Installation method of ventilation and air conditioning system

1.Installation of ventilation ducts<br></br> 1) The duct can be manufactured on site or prefabricated in the factory. The duct manufacturing methods are divided into bite connection, rivet connection, and welding.