Danfoss Compressor DSH140A7AAI

08/20/2020

What is the difference between fixed speed and inverter air conditioners and their respective characteristics

The fixed speed air conditioner means that the speed of the internal compressor motor is constant, and the temperature is adjusted by switching the compressor on and off. Inverter air conditioners are variable speed air conditioners,

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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10/09/2025

How Does Encoder Measure the Motor Position Accurately?

Encoder is a kind of equipment that can compile and convert signals or data into signals that can be used for communication, transmission and storage.

07/15/2020

How to avoid overheat protection of scroll Copeland compressor

Friends who have used Copeland compressors know that Copeland compressors are relatively solid to use and are not so easily damaged. This is because Copeland compressors have several built-in protection programs. Overheat protection is one of them. Today we will talk about the internal temperature protector of the scroll compressor.

06/29/2020

Several causes of compressor burning

08/16/2020

Correct disposal method after leakage of ammonia refrigeration system

1. Treatment method of ammonia leakage accident in ammonia compressor 1. After an ammonia leakage accident occurs in the ammonia compressor, first cut off the compressor power supply and immediately close the exhaust valve and suction valve (two-stage

08/31/2020

Brief Discussion on Recruitment of Talents for Air Compressor System Energy Saving Service

Not long ago, in the article "Analysis of Talent Demand in Air Compressor System Energy-saving Service Industry", the author only briefly analyzed the ability of technical, business, and marketing talents in the air compressor system energy-saving service industry

08/08/2020

How to adjust the refrigerator temperature Tips for saving power on refrigerators

How to adjust the refrigerator temperature Tips for saving power on refrigerators Due to the large temperature difference between summer and winter, in order to save electricity and ensure the quality of food freezing, it is necessary to adjust the temper–ﰨ2䀀湠疖VǜV
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07/16/2020

How to repair the vacuum drying oven

During the use of the vacuum drying oven, the heating tube will accumulate a high amount of heat in a short period of time, so pay attention to the even heat dissipation during use, that is, you must turn on the blower after starting the heating. For heating conditions, first check whether the control instrument is working normally

09/10/2020

The management method of the air compressor room of the Red Fifth Ring

1. Choose a wide and well-lit place to facilitate the space and lighting required for the operation, maintenance and repair of the air compressor.