Fuji VFD Frequency Converter FRN0.75F1L/D-4A522

06/29/2020

Several causes of compressor burning

07/18/2020

Explanation of the excellent performance of each component of the screw chiller

　The application of screw refrigeration compressors is becoming more and more common, and some of them have entered the period of frequent failures. When the abrasion of the female and male rotors, body, and exhaust end seat of the refrigeration compressor reaches above 0.65rnm, vibration will occur when the refrigeration compressor is running, the sound is abnormal, the cooling capacity is reduced, and the compressor cannot work normally.

10/18/2024

Automobile Knowledge: What Are VVT, CVVT, DVVT, VVT-i, and VVT-iW?

VVT, CVVT, DVVT, VVT-i, and VVT-iW are often seen on many automobile engines. What do these logos mean? These logos reflect some of the unique technologies of automobile engines.

08/24/2020

Beware of invisible pollution in air conditioning in summer

"My God, I can't believe that the air conditioner that is blown every day is so dirty." Mr. Huang, who lives in Jiqingmen, said in surprise after opening the air conditioner.

06/14/2020

What common sense do you need to know about automotive air conditioning refrigerants

What common sense do you need to know about automotive air conditioning refrigerants Air conditioning refrigerant, also known as refrigerant or refrigerant, is one of the greatest inventions in human history. Its contribution to human normal life is seco器2䀀
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09/14/2020

Maintenance steps and methods of G series oil and gas separator

1. Disassemble all connecting pipelines connected to the cylinder head and clean the surface dust. 2. Take out the oil return pipe (air compressors below GA90 cannot be removed).

05/19/2022

PLC Analog Input

PLC analog inputs usually use voltage signals in the range of 20 volts and current signals in mA. Each PLC manufacturer has I / O modules to process these types of signals

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes. At least one four-way reversing valve is added inside the unit,

07/02/2020

Talking about several common types of Copeland compressors

Talking about several common types of Copeland compressors Copeland compressors, which consist of casings, motors, cylinders, pistons, control equipment (starters and thermal protectors), and cooling systems, are used very often in air conditioning and cold storage.

09/06/2020

What kind of knowledge is choosing an air compressor

The air compressor market is mixed. There are all kinds of air compressors of all brands, and consumers will inevitably be confused. How to distinguish between true and false, how to distinguish between good and bad,