Danfoss Compressor SM175A7PS

03/03/2021

Voltage of servo motor: relationship between voltage and speed of servo motor

1)At high speed, the speed is proportional to the voltage 2) At low speed, the voltage is lower than the decrease of speed;

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/11/2020

How to solve various problems such as water leakage, noise, and excessive fluorine leakage of air conditioners

When the air conditioner is in use, there are problems such as water leakage, electric leakage, insufficient cooling and heating, excessive noise, etc., which makes the friends feel particularly heartbroken. Buying an air conditioner to solve this problem and that problem is a headache.

09/07/2020

Do you know how the model designation of the air compressor comes from

Four basic marking methods 　　 1. Use motor horsepower to express: This was still feasible when the air compressor technology was not developed in the early days. However, with the continuous development of technology, even if the same motor is used now,

07/19/2020

Refrigerant filling operation method of centrifugal chiller

The centrifugal chiller refrigeration compressor after completing the work procedure of filling the frozen lubricating oil, the next step should be the refrigerant filling operation, the method of operation is: (1) using copper pipes or PVC (polyvinyl chloride) pipes One end is connected with the filling valve at the lower part of the evaporator, and the other end is connected with the top joint of the refrigerant storage tank to ensure good sealing.

08/11/2020

Selection of cold storage electrical control system and other design considerations

Selection of cold storage electrical control system and other design considerations<br></br> The refrigeration electrical control system is a necessary condition to ensure that the cold storage always automatically works within the set range. Its main work flow includes:

09/03/2020

Advantages of frequency conversion energy saving transformation of air compressor

1. Compared with the compressor controlled by the energy-saving frequency converter, energy saving is the most practical. The industrial control of the compressor supplied according to the air volume demand is an economical operating condition.

05/25/2022

How to Install The Safety Light Curtain?

In order to ensure the normal operation and the safety of operators, we must install the safety light curtain according to the correct methods and steps.

08/18/2020

How to solve the problem of too high compression ratio of chiller

In the process of using industrial chillers, various problems will inevitably occur. Due to the structure of the industrial chiller, once the compression ratio of the compressor is too high, it will affect the working efficiency of the industrial chiller.

09/09/2020

Harmfulness of air compressor motor direct full pressure start and the benefits of motor soft start cabinet

With the development of my country's economy, the application of motors is increasing, and people's attention is paid to the starting method of motors. Generally speaking, the motor soft start cabinet should be used when the motor power exceeds 30KW, otherwise it will seriously affect the operation of other equipment in the power grid and damage the motor itself.