Schneider Contactor CA3KN22MD

11/25/2024

Troubleshooting a Split AC Not Cooling But Fan is Running (12 Possible Reasons)

A split air conditioner, known for its efficiency and comfort, can be a savior during the scorching summer months.

06/14/2020

Reliability-up (Mechanical Drive Steam Turbines)

Mechanical Reliability-up (Mechanical Drive Steam Turbines)

08/09/2020

Common oil shortage failures of scroll refrigeration compressors

The compressor is short of oil for a long time-the mechanism and the friction pairs are overheated, causing the bearings to sinter and hold the shaft.

09/02/2020

Discussion on Problems Caused by Suspected Minimum Pressure Valve of Compressor

In the process of using the compressor, in order to achieve the purpose of normal and high-efficiency production, most of the time, we will give more choices and maintenance to the host and spare parts, but often ignore some details such as safety.

07/27/2022

Working Principle of a Vane Pump

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

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

The principle of air heat pump heating

In our lives, we often say "warm and warm to the house" to our guests. Compared with the cold and wet climate in the southern region, the cold in the northern region is dry and cold. The outdoor working temperature is minus ten or twenty degrees, which is器2䀀
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01/13/2021

Causes and solutions of gas stove solenoid valve not working

Causes and solutions of gas stove solenoid valve not working 1. The automatic extinguishing function of the gas stove solenoid valve fails, and the wiring gasket in the valve body cannot be energized, resulting in the gas stove solenoid valve not worki器2䀀
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07/18/2020

Process and cause of liquid shock in piston refrigeration compressor

Piston refrigeration compressor liquid hammer process and reasons for liquid hammer 1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil is sucked into the compressor cylinder with the gas and damaged the suction valve plate

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.