Danfoss Compressor SH140A4AAV

06/29/2020

Compression ratio of American Copeland compressor

08/09/2020

The harm of overheating of industrial water chiller to equipment during use

The overheating problem of industrial chillers has a serious negative impact on the efficiency of the equipment. In order to maintain the safety and stability of industrial chillers, when using industrial chillers,

08/14/2020

Tips for troubleshooting the refrigeration system of low-temperature chillers

Regular maintenance work for the low-temperature chiller, while troubleshooting the refrigeration system of the low-temperature chiller is also very important.

06/14/2020

Problems and case analysis of electronic expansion valve and four-way valve

Problems and case analysis of electronic expansion valve and four-way valve 1. The problem of electronic expansion valve 1 　　Identify the quality of electronic expansion valve: 　　Step one (see): Whether the wiring is plugged in place and whether the c器2䀀
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06/27/2023

DIY Guide to Testing and Replacing Your Refrigerator Compressor Start Relay (Save Money and Time)

A refrigerator compressor start relay is a device responsible for starting the compressor of a refrigerator. When this component fails, the refrigerator will not cool properly, causing food to spoil.

07/27/2020

The heat is unbearable, and the car air conditioner is turned on like this to quickly cool down

It is the dog days right now. As the saying goes: "Small summer heat catches the big heat, so there is nowhere to hide." If the outdoor in summer is like a stove, then the car can definitely be regarded as an "alchemy stove".

08/09/2020

Refrigeration components and common maintenance and treatment methods

1. Refrigeration components and functions 　　1. Compressor: It acts as a compression drive refrigerant in the refrigerant circuit. The compressor extracts the refrigerant from the low-pressure zone, compresses it, and sends it to the high-pressure zone for cooling and condensation.

03/01/2021

Basic principle and optimization algorithm of BLDC

Brushless direct current motor (BLDCM,) gets rid of the inherent shortcomings of the brushless DC motor, and replaces the mechanical motor rotor with the electronic motor rotor. Therefore, the brushless DC motor not only has the excellent speed characteristics of the DC motor, but also has the advantages of simple structure, no commutation flame, reliable operation and easy maintenance.

04/28/2025

EGR Valve Replacement Cost: Factors, Estimates, and Considerations

The EGR (Exhaust Gas Recirculation) valve plays a crucial role in modern engine management systems, helping to reduce harmful emissions and improve fuel efficiency.

06/23/2022

How to Install a HMI and 4 Common Failures?

In nearly any assembly line, or manufacturing plant, employees work with touchscreens every day.