Mitsubishi Servo Drive MR-J4W2-22B

09/15/2020

Micro vacuum pump, micro air pump selection instructions

With the vigorous development of the instrumentation industry, miniature vacuum pumps and miniature air pumps that are compact, oil-free and environmentally friendly have become more and more widely used. How can we choose the most appropriate product among a wide range of micropumps?

09/10/2020

The high-voltage inverter market has huge potential, expecting technological breakthroughs

The high-voltage inverter has a significant energy saving effect. Without changing the host equipment, only changing the speed can achieve an average power saving effect of 30%. Among them, the average energy saving rate of petroleum system is 38%, petrochemical system 46%, metallurgical system 42%, urban water supply and drainage system 45%, chemical industry System 24%.

06/23/2020

What to do if the refrigerator does not cool in winter

1.If it is because of the weather, you need to change the refrigerator to another location. 2. When used in winter, you can turn on a compensation switch in the refrigerator. 3. It is necessary to check whether the compressor is damaged. 4. If the modulation gear is incorrect, you can adjust the gear higher. 5. If the refrigerant is not enough, the problem of non-refrigeration can be solved after the fluorine content is added.

09/09/2020

The benefits of the implementation of the screw air compressor heat recovery project for corporate customers

During the long-term continuous operation of the screw air compressor, electrical energy is converted into mechanical energy, and mechanical energy is converted into wind energy. In the process of converting mechanical energy into wind energy, the air is compressed by a strong high pressure, causing its temperature to rise sharply.

08/12/2020

How to calculate the current carrying capacity of refrigeration equipment wires

The working temperature is 30℃ and the current carrying capacity under continuous 90% load for a long time is as follows:

03/02/2025

Carrier Central AC Error Codes ＆Troubleshooting (Detailed Steps)

The following gives a table of Carrier central air conditioner common error codes and troubleshooting methods for some of these codes.

08/02/2020

Principle and maintenance method of air conditioner pressure protector

In addition to window air-conditioning units, many air-conditioning systems use high-pressure and (or) low-pressure pressure protectors to protect the compressor in the event of a system failure. During the normal operation of the device

07/22/2020

Maintenance example of poor cooling effect of inverter air conditioner

Today, I will tell you about the maintenance example of the poor cooling effect of the air conditioner.<br></br> <br></br> 1. The cooling is poor, and the operating frequency is not up to the highest. The exhaust pipe overheating code will be displayed for about 20 minutes.<br></br>

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/25/2024

Heat Pump Reversing Valve Structure, Working Principle and Troubleshooting

The heat pump reversing valve (HVAC reversing valve) is mainly used in heat pumps. Since there are mainly four pipes connected to it in structure, it is often called a four-way reversing valve.