Danfoss Compressor SZ120A9AP

06/24/2020

Reasons and solutions of refrigerator not cooling

In the use of refrigerators, when there are more or less problems, I believe many people have encountered the reason why the refrigerator at home does not cool. What will you do when you encounter this situation? How much do you know about the reasons for the refrigerator not cooling? What? The following editor will introduce the reasons and solutions for the refrigerator not cooling, I hope to help you.

03/05/2021

What is servo drive?

As one of the importanttechnologies of CNC machine tools, industrial robots and other industrial machinery control, servo drive technology is widely concerned at home and abroad. In the last decade of the 20th century, the development of microprocessor (especially DSP), power electronics, network technology and control technology havelaid a good foundation for the further development of servo drive technology.

07/27/2020

Ten reasons for the burning of air conditioning compressors

During the starting process of the air conditioner compressor, there is generally a step-down starting circuit, but the starting current will exceed several times the rated current, and the starting temperature of the air conditioner compressor motor will rise very quickly.

08/09/2022

What is Synchronous Motor

Synchronous motors like induction motors (i.e. asynchronous motors), are a common type of AC motor.

08/19/2020

The difference between ammonia refrigeration system and fluorine refrigeration system

In the early stages of the development of the refrigeration and refrigeration industry, ammonia refrigeration systems have been widely used. With the development of the times, the shortcomings of ammonia systems have gradually been exposed,

09/14/2020

What is an air compressor

The machine used to generate compressed air is also called compressed air machine, also called air compressor, or air compressor for short. The motor directly drives the compressor to make the crankshaft produce rotational movement, drive the connecting rod to make the piston produce reciprocating motion, and cause the cylinder volume Variety.

06/29/2020

Several causes of compressor burning

09/14/2020

Intake valve cannot open fault

Quanzhou failure analysis In Quanzhou in the past two days, I was debugging an air compressor. I encountered such a problem. The unit was operating normally for the first time. However, after shutting down and turning on, the unit was abnormal and could not pump air. At present, it can be guaranteed that the original electrical appliances are normal.

07/29/2025

What is Hydraulic Pump? (Function, Types, Application＆Selection Method)

The basic hydraulic system components include oil tank, hydraulic pump, control valve, oil cylinder, connecting pipe and relief valve.

06/14/2020

Note! Seven mistakes in the maintenance of refrigeration equipment

Many refrigeration maintenance masters, seeing the internal leakage of the refrigerator, will directly add the condenser net without pressure, and it will not leak again for a long time. It turns out that it is the evaporator of the refrigerator compartme器2䀀
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