Protechnic Fan MBA7012LR-O20

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/07/2020

Risk analysis and control strategy of air compressor contract energy management project

Contract energy management is a decentralized secondary investment behavior. In the energy-saving benefit sharing model, the energy-saving service company undertakes most or all of the investment, and correspondingly assumes most of the risks.

08/15/2020

The correct operation method of air-cooled refrigerator

For companies that use air-cooled refrigerators, the stable use of equipment is the most important thing, and if you don’t pay much attention during use, it will cause problems with the stability of the equipment due to some external factors.

02/20/2021

Why the air conditioner does not cool

The cooling load is overloaded or the space is too large, the number of air conditioners is not correct; improper installation will cause poor air circulation, resulting in poor cooling effect; when the freon in the air conditioner is insufficient, it will cause the cooling effect of the air conditioner to deteriorate; the air conditioner is not on time Do cleaning and maintenance, etc.

07/05/2020

Full analysis of high-temperature burn-down failure of scroll compressor

Full analysis of high-temperature burn-down failure of scroll compressor Scroll compressor overheating at high temperature for a long time will not only reduce the insulation performance and reliability of the motor, shorten the life of the motor, but also reduce the lubricating ability of the lubricating oil, and even cause carbonization and acid hydrolysis of the lubricating oil.

06/14/2020

Does the amount of refrigerant cause frost in the return air pipe and the compressor

As far as air conditioning is concerned, the principle of system circulation is generally the same as that of refrigerators and freezers. The symptoms of air conditioning systems lacking fluoride are similar to refrigerators and freezers. Many people say 器2䀀
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01/09/2025

SANYO DENKI Servo Amplifier/Drive Common Alarm Codes

Based on SANYO DENKI R series (SANMOTION R) AC servo drives, the following describes the solutions for servo drive fault alarms.

08/08/2020

How to choose a multi-effect evaporator

How to choose a multi-effect evaporator The selection of a multi-effect evaporator is mainly selected from the number of effects, the selection of the exhaust steam condenser, and the process. Finally, determine the heating area of ​​the evaporator.

08/09/2020

Common oil shortage failures of scroll refrigeration compressors

The compressor is short of oil for a long time-the mechanism and the friction pairs are overheated, causing the bearings to sinter and hold the shaft.

06/14/2020

Relay protection concept and basic requirements

Before introducing relay protection, first introduce several working states of the power system (1) Normal working state It means that all the equality and inequality constraints of the power system are satisfied, indicating that the power system me器2䀀
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