Fuji VFD Frequency Converter FRN0020E2E-2U

06/14/2020

Is PVC or PE good for domestic fresh air system pipes

Is PVC or PE good for domestic fresh air system pipes Fresh air system is a category of light equipment and heavy design. Fresh air equipment is highly dependent on design and construction.

09/08/2020

How to judge the quality of air compressor accessories

After running in the screw air compressor for a period of time, the parts inside are worn and repaired according to the need for regular maintenance. If found to be damaged, they need to be replaced. General screw air compressor parts include air filter, oil filter, oil separation core, and screw Air compressor oil. But how do we judge the quality of these accessories?

08/21/2025

Summary of the key issues of the servo motor drive

According to the current of the motor, use a driver that is greater than or equal to this current. If low vibration or high precision is required, a subdivision drive can be used. For high-torque motors, use high-voltage drivers as much as possible to obtain good high-speed performance.

06/14/2020

Disposal method of ammonia leakage accident of ammonia refrigeration compressor

On 2020.2.8, a batch of much-needed protective materials donated by Danfoss and Abena, a world-renowned health care product manufacturer, will be sent from Denmark to China to support China's fight against new coronary pneumonia. The total price of this b器2䀀
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07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/20/2020

Reasons for water leakage of air conditioner in computer room and common treatment methods

Leakage of the air conditioner in the computer room not only causes the indoor humidity to affect the cooling effect of the air conditioner, but also affects the service life of the air conditioner,

06/14/2020

What is the working principle of the cooling plate Introduction to the working principle of the cooling plate【Detailed explanation】

With the continuous development of technology, refrigeration equipment such as air conditioners have played a great role in our production and life. Everyone knows that air conditioning can be used for cooling, but they don’t know much about the cooling f器2䀀
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08/17/2020

Causes and solutions for high-pressure alarms of refrigerators

Generally, the refrigerator is equipped with a full set of protection devices. When the refrigerator has a high-pressure alarm, it will automatically start the protection device, and the corresponding fault indicator will light up

08/16/2020

11 precautions for the installation of modular air conditioning units

Pay attention to the following 11 precautions when installing the combined air conditioning unit: 1. The unit should be placed on a large mud boss with a height of 50-100 mm, and a space of one meter away from the wall should be left.

07/18/2020

Exhaust gas of refrigeration compressor is overheated. Are these reasons caused

Compressor: It is a complex machine running at high speed. Ensuring adequate lubrication of moving parts such as compressor crankshafts, bearings, connecting rods, pistons, etc. is the basic requirement for maintaining the normal operation of the machine. For this reason, compressor manufacturers require the use of specified grades of lubricating oil, and require regular inspection of the lubricating oil level and color