Yaskawa VFD Frequency Converter CIMR-G7A2018

07/04/2023

Don't Sweat It: How to Troubleshoot and Fix an AC Blowing Warm Air

When the weather gets hot, there's nothing more frustrating than an air conditioning unit that blows warm air. Not only is it uncomfortable, but it can also be a sign of a more serious problem with your AC system.

09/10/2020

Analysis on How to Protect Technology Property Rights in Hardware and Electrical Industry

At present, the German court has pronounced that Apple has infringed on Motorola’s two patented wireless communications technologies and prohibited the sale of products using these two technologies in Germany.

06/23/2020

What is the reason why the freezer is not cooling

It may be that the capillary is blocked and the refrigerant flow does not enter the evaporator. It may also be that the refrigerant needs to be replenished or the refrigeration system is leaking. If the buffer tube inside the compressor ruptures, there may be loose screws or it will cause no cooling. It is also possible that the expansion valve and the discharge valve are not adjusted properly, causing cold air to leak out. Need to check one by one, and then take the medicine.

06/14/2020

What is the principle of air conditioning expansion valve Technical stickers!

The electronic expansion valve is a throttling element that can enter the refrigerant flow of the refrigeration device according to a preset procedure. In some occasions where the load changes drastically or the operating range is wide, the traditional th器2䀀
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06/29/2020

Compression ratio of American Copeland compressor

07/31/2020

Must know! Safe operation of refrigeration valves

The switching operation of various valves is the main task in the operation of the refrigeration system. The function of the valve is to control and guide the flow and direction of the refrigerant in the system, cut off and conduct the connection between the equipment and the equipment or the equipment and the outside world.

08/19/2020

Maintenance solutions for refrigeration system of constant temperature and humidity test chamber

In the maintenance practice of the constant temperature and humidity test chamber, once the capillary tube is blocked in the refrigeration system, the evaporator and the condenser tube and the connecting pipe are broken or welded

07/24/2020

Air conditioning system fault diagnosis guide (Part 1)

"Refrigeration system low pressure, high pressure value abnormal", "compressor shell temperature abnormality", "air inlet and outlet temperature difference value abnormal", "air conditioner outlet temperature is too high or low",

04/08/2022

What is a Centrifugal Fan?

When the fan works, the air flow enters the blade from the axial direction of the fan. Then, it will rotate with the impeller driven by the impeller.

09/06/2020

The air compressor lubricant is not up to standard

Air compressor lubricating oil is of great significance to the normal operation of screw air compressors, and it has a great impact on the reliability, economy and service life of the air compressor.