Danfoss Compressor MT044HJ7DVE

07/05/2020

Hitachi screw compressor failure case

Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use

07/25/2020

The 9 types of compressor failure and hazard analysis are all in it! ! !

Start with liquid is a problem that easily occurs during shutdown. In the shutdown state, the refrigerant will migrate from the system back to the compressor and be deposited in the lubricating oil.

08/18/2020

How to prevent freezing in winter heat pump What should I do if the unit is frozen

With the promotion and subsidies of the government, before the 2020 heating season, Detroit installed about 100,000 air-energy heat pumps on a large scale to replace traditional coal-fired heating.

07/04/2020

How important is the air conditioning compressor for air conditioning

How important is the air conditioning compressor for air conditioning As the earth we live in enters summer, the summer in many places is uncomfortably hot, so a good summer cool companion to accompany them is-air conditioning. Air conditioning has become a good weapon for us to spend the summer.

09/09/2020

Is the scroll air compressor good

Scroll air compressors are still good, especially for users who use piston machines. Scroll air compressors are cheaper than screw air compressors. They are quite light in sound and are more suitable for enterprises or factories with small air consumption.

03/02/2021

Advantages and disadvantages, function and service life of brushless motor

Advantage: (1) No brush, low interference When the brush is removed from the brushless motor, the most direct change is that there is no electric spark generated when the brushless motor is running, which greatly reduces the interference of electric spark to the remote control radio equipment.

08/15/2020

How to manage the temperature after the cold storage is built

After the cold storage is built, the temperature in the cold storage must be better adjusted. This content is actually very important, but the corresponding precautions should also be grasped in the process of adjusting the temperature of the cold storage.

06/29/2020

Compression ratio of American Copeland compressor

07/16/2020

What should I do if there is ice jam in the cold and hot shock test box?

During the environmental test, the thermal shock series and the thermal shock test chamber may have many problems, which may cause ice jams. How to solve this problem? Some people think that when large equipment such as the thermal shock series appears The problem, most people may think that only * maintenance personnel can perform repairs, but this is not the case. Stress screening cold and hot shock test box

08/06/2020

Basic knowledge of air source heat pump

Brief introduction of heat pump<br></br> 　　 There are many applications of pumps in daily life. The pump is a device to increase the potential energy. There are water pumps, air pumps, oil pumps, etc. according to different uses.