Danfoss Compressor DSF100A7AAD

07/02/2020

How is the compression process of the PFM compressor

How is the compression process of the PFM compressor One of the PFM compressors is a scroll compressor. How is its compression process completed? We can find the answer in this article. 　　 First of all, we must know that there are two scrolls in the upper part of the PFM compressor, a moving scroll and a static scroll.

08/20/2020

How to prevent high temperature alarm of industrial chiller in summer

In the high temperature and hot summer, the frequency of use of industrial chillers is the highest in a year, and summer is also the season when industrial chillers have the most frequent high temperature alarms.

08/07/2020

Does the floor heating temperature always fail to rise Maybe this can be solved

At present, floor heating has been widely used and applied in many places in our country. However, many owners report that the temperature of their own water and floor heating in winter is not very ideal

08/19/2020

Installation of air conditioning and refrigeration system equipment

1. Installation preparation 　　 (1) Check and accept the equipment foundation according to the construction drawings. Measure the position and elevation of the pipeline shown, and find out the embedded parts of the support and hanger.

08/17/2020

Temperature has a great influence on refrigeration and air-conditioning systems, don’t you know

The relevant temperature of the components of the refrigeration and air-conditioning system has a normal temperature range, and it is an abnormal state if it exceeds this range.

07/05/2020

Inverter compressor and Hitachi

Inverter compressor and Hitachi What sparks can be produced by the combined use of electronic expansion valve and compressor? Electronic expansion valve and compressor are indispensable refrigeration accessories in refrigeration equipment and refrigeration equipment, and they are used together with high efficiency.

06/14/2020

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading!

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading! Basic knowledge 1. Installation location The compressor is installed on the right side of the outdoor unit and 器2䀀
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06/29/2020

Suggestions for troubleshooting of compressor with liquid start

03/01/2021

The main difference between brushless DC motor and DC servo motor

Different definitions: (1) Brushless DC motor is a typical mechatronics product, which is composed of motor body and driver. Brushless motor refers to the motor without brush and commutator (or collector ring), also known as commutator less motor. As early as the 19th century, when the motor was born, the practical motor was the brushless form, that is, the AC squirrel cage asynchronous motor, which has been widely used. However, the asynchronous motor has many insurmountable defects, so that the development of motor technology is slow. The transistor was born in the middle of last century, so the brushless DC motor using transistor commutation circuit instead of brush and commutator came into being. This new type of brushless motor is called electronic commutation DC motor, which overcomes the defects of the first generation of brushless motor.

08/15/2020

What are the matters needing attention when installing rock wool board in cold storage

Many businesses now have their own cold storage and install semi-hermetic refrigeration compressors, through which food can be well preserved. So what should we pay attention to when installing rock wool board in the cold storage.