Mitsubishi CPU Module DS3ALCPU

06/14/2020

11 common protection devices for refrigeration compressors

11 common protection devices for refrigeration compressors When the compressor is running, some abnormal conditions may occur, such as: the discharge pressure is too high

09/03/2021

How to Communicate PLC to VFD

PLC (Programmable Logic Controller) and VFD (Variable Frequency Drive) play an important role in industrial production and technological development.

07/30/2020

Do you know all about the setting of fire damper in HVAC system?

In the HVAC design, there are many types of valves for fire prevention and smoke exhaust, and the valve settings are different for different applications.

07/30/2020

Avoid stepping on pits when buying air conditioners, just refer to these points!

Recently, as the temperature rises, some cities in the north have entered a continuous high temperature mode. The continuous high temperature has caused many people to complain: "The air conditioner makes my life a second spring"! The same goes for it, such a hot weather, it is really hard to imagine without air conditioning.

07/19/2020

The principle structure, advantages and disadvantages of scroll refrigeration compressor

Principle: The scroll line pattern of the moving plate and the static plate are the same, but the phase difference is 180°C; they mesh to form a series of closed spaces; the static plate does not move, and the moving plate revolves around the center of the fixed plate with the eccentricity as the radius. When the moving disc revolves, it meshes in sequence, so that the crescent-shaped area is continuously compressed and reduced, so that the gas is continuously compressed and finally discharged from the center hole of the static disc

11/04/2022

6 Common Electric Motor Failures and Solutions

Electric motors are widely applied in production, transmission, and distribution. But failures could occur due to wrong operation, insufficient maintenance, etc

07/01/2020

Three major causes of compressor cracks in winter

Three major causes of compressor cracks in winter When using the compressor in winter, we may encounter some problems, such as cracks in the compressor body. There are many ways to cause cracks in the compressor. After summing up, the specifics can be summarized as the following three points:

06/14/2020

What are the classifications of air filters What are the classification criteria of air filters

Air filter classification standard      What are the classification of air filters according to working principle      Air filter can be divided into compressed air filter, primary effect filter, medium efficiency filter, high efficiency filter and ﰸ2䀀
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07/08/2022

Installation and Adjustment of Proportional Valves in Your Car

The proportional valve is mounted between the brake line master cylinder and the rear wheels. It's designed to adjust the pressure between the front and rear brakes, depending on how hard you're stopping.

06/29/2020

What is the cause of compressor pipeline vibration