Mitsubishi VFD Frequency Converter FR-A044-2.2K

08/25/2025

How to Maintain the Solar Inverter Cooling Fan in Hot Weather?

Solar inverters are generally installed outdoors and are affected by natural factors such as sun, rain, sand, dust or high temperature.

09/15/2020

76 special atmospheric pressure transmitter, positive and negative pressure sensor

Pressure sensor, pressure transmitter, weighing sensor, PLC programmable controller, instrumentation, electronic scale 76 special atmospheric pressure transmitter, positive and negative pressure sensor

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.

06/24/2020

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.

09/04/2020

How to determine the oil content of air compressor exhaust

The air compressor should indicate the exhaust oil content in the rated exhaust state on the nameplate or user manual.

08/09/2020

The use of air conditioners must pay attention to these problems, which are energy-saving and durable. I regret knowing it is too late!

The use of air conditioners costs more electricity. Many people are not unable to afford air conditioners, but are more scared by the electricity bills used. They will spend hundreds of them accidentally a month.

06/29/2020

What is the cause of compressor pipeline vibration

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",

04/03/2025

Servo Motor vs. Stepper Motor: Unraveling the Differences and Choosing the Right Fit

In the realm of automation and precision control, the choice between servo motors and stepper motors plays a pivotal role in determining the efficiency and accuracy of various systems.

06/14/2020

Refrigeration compressor overheat failure analysis

Refrigeration compressor overheat failure analysis The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pressure, and improper refrig器2䀀