SIEMENS Module 6ES73317NF004AB1

08/09/2020

What are the differences between non-standard refrigerators and standard refrigerators

Non-standard refrigerator means that it is different from standard refrigerator. Let’s take a box-sealed refrigerator as an example. It is mainly composed of a compressor, an evaporator, a condenser,

06/14/2020

Technical characteristics of solar air conditioning

Technical characteristics of solar air conditioning Technical characteristics: The current implementation of solar air conditioners mainly relies on the sun's thermal energy for cooling and heating

08/17/2020

Detecting and repairing methods for problems in shell and tube condensers

Since the central air conditioner is a kind of refrigeration equipment, it must be equipped with a condenser, and most of them are shell and tube condensers. When the device has been used for a long time, some inconveniences may occur.

09/02/2020

Two different air compressors

The air compressor with abnormal noise has serious wear on the connecting rod bushes, and the noise will increase if the connecting rod bushing is severely worn. There is also a cold dryer that vibrates and makes abnormal noises. The reason needs to be disassembled and checked.

06/20/2020

How to solve the air-conditioning leakage

There is a great safety risk in air-conditioning leakage. Assuming air-conditioning leakage, close the power supply in time, and then carefully look for the elements, and tell professional repair personnel when necessary.<img src="{{media url=&quot;How_to_solve_the_air-conditioning_leakage.jpg&quot;}}" alt="" />

07/05/2020

Why is frost formed between the electronic expansion valve and the compressor

Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/07/2020

The compressor in the factory is frosted! What should I do

It has been really cold in recent days, do the Seven Friends also feel the chill of the approaching New Year? The compressor in the factory works very well! It turned out to be frosted! ! What is going on?

06/14/2020

Disassembly and failure analysis of scroll compressor

The scroll compressor is a positive displacement compression compressor, and the compression component is composed of a movable scroll and a static scroll. This includes many structural features that divert the flow of gas through the compressor housing t器2䀀
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06/14/2020

Air conditioning expansion valve

What is the principle of air conditioning expansion valve? The electronic expansion valve is a throttling element that can enter the refrigerant flow of the refrigeration device according to a preset procedure