Danfoss Compressor SZ147A4PJ

08/20/2025

What’s the Difference between Semi-Hermetic Compressors and Hermetic Compressors?

In the hermetic compressor, the motor and the compressor share the main shaft (reciprocating type)

12/31/2024

Calculation method of weight per meter of air conditioner copper pipe

Calculation method of weight per meter of air conditioner copper pipe Everyone should know something about the air-conditioning copper pipe. The material of the air conditioner copper pipe is copper, which is pure copper.

06/29/2020

How the compressor works

06/23/2020

The air conditioner suddenly stopped cooling.

1.The air conditioner remote control may not adjust the temperature. 2. It may be that the air conditioner has not been cleaned for too long, which causes dust to accumulate on the filter net, so that the cold air blocking the air conditioner cannot be blown out. 3. There may be leakage of freon in the air conditioner, resulting in too little freon, and the air conditioner is not cooled. 4. Energy saving is due to unstable voltage, which causes the air conditioner to not be cooled. 5. It may be that the number of air conditioners is insufficient, and the small number of horses is not used for cooling in a large area of the house.

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.

06/14/2020

How to choose refrigeration oil for refrigeration compressor and unit

How to choose refrigeration oil for refrigeration compressor and unit The lubricating oil of the refrigerator is different from other mechanical equipment. Due to the different use occasions and refrigerants, the choice of lubricating oil for the refrige器2䀀
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09/14/2020

Thoughts on reading classic stories

Known as the'Japanese rope king', Neji Shimamura bought a large amount of hemp rope at a unit price of five cents, and then sold it to paper bag factories in Tokyo at the original price, thus winning the favor of "Neiji Shimamura's rope is really cheap." reputation.

06/14/2020

The reason for the failure of the multi-line air-conditioning compressor is revealed!

The reason for the failure of the multi-line air-conditioning compressor is revealed! 1 Overview The failure of motor compressor (hereinafter referred to as compressor) can be divided into motor failure and mechanical failure (including crankshaft, co器2䀀
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07/15/2020

ZP67KCE-TFD575.6 HP 60Hz (R410A) air conditioner Emerson Copeland compressor

Today I want to introduce the Emerson Copeland compressor ZP67KCE-TFD/5/7, which is suitable for R410A refrigerant at 60Hz three-phase electric air conditioner. The power given in the manual of Emerson Copeland Scroll Air Conditioner Compressor is 5.6 hp. Other technical parameters can be downloaded from our company's website for inquiries.

09/05/2020

The screwdriver factory started, how do you go in the air compressor industry

Since the compressor industry has entered the "new normal" with the Chinese economy, growth bottlenecks have become prominent and market competition has intensified. Every compressor company is seeking changes, seeking more profits and new development directions.