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06/14/2020
The school is about to start
Is the campus fresh air system necessary? With the improvement of the epidemic situation in various places, schools in various places have gradually begun to "recycle mythical beasts".
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08/07/2020
Have you gotten the troubleshooting method of the spring chiller?
Have you gotten the troubleshooting method of the spring chiller?<br></br> The cold will go all night, and the spring will come again. "At 5:29 on February 4, 2018, the northern hemisphere of the earth where we live entered the beginning of spring of the ﰨ2 䀀 湠疌 V ǜ V 㠠ư㠠ư㠠ư類 湠疌疀ꝆဠЀ
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07/30/2020
How to detect inferior refrigerants What's the harm
Inferior refrigerants will affect the performance and stability of the system, and even more serious will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:<br></br
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06/14/2020
Two methods of evacuating the refrigeration system
Vacuuming is an indispensable important process before charging refrigerant in the production or maintenance of refrigeration equipment. That is, the process of removing the non-condensable gas and moisture in the system pipeline by connecting the vacuum 器2 䀀 ᅵ皥 䖒皦즠Ʋ奌ི 㲈Ʋ 䌁皦 ᮔDž༬皧奖ིЀ 呄ᠾ鹨់༹皧 ࠄ 00령ꐱ댁珵뛐珵Љ 䕄ྦ 뤂ᐱ뚜珵 ᴴᏩ呄ᠾ퍘
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06/14/2020
Ten causes of air-conditioning compressor burnout
Ten causes of air-conditioning compressor burnout 1. The air conditioner compressor starts frequently
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08/20/2020
Analysis and troubleshooting of common faults in cold and hot water air conditioning systems
Common faults of cold and hot water air conditioning systems mainly come from three major parts: the refrigeration system, the water pipe system and the surrounding environment.
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02/27/2021
The internal structure and characteristics of the micro servo motor
A miniature servo motor includes a small DC motor, a set of variable speed (reduction) gear sets, a feedback adjustable potentiometer and an electronic control board. Among them, the high-speed rotating DC motor provides the original power and drives the variable speed (reduction) gear set to produce a high torque output. The greater the gear ratio of the gear set, the greater the output torque of the servo motor, that is to say, the greater the weight it can bear, the lower the speed of rotation it will be.
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08/04/2022
Differences Between Overflow Valve and Pressure Relief Valve
Overflow valve is to prevent system overload and ensure safety. The pressure relief valve reduces the system pressure on the premise that the system is not overloaded.
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08/11/2020
How to choose a dedicated central air conditioner in a supermarket
Everyone should be familiar with central air-conditioning. It is widely used in our homes and some public places. It can adjust the temperature in the house very well and can bring good ventilation effects.
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10/25/2021
How to Use Rotary Encoder on Arduino Board UNO
In our last article, you may have learned how to connect a rotary encoder on Arduino development board UNO.