Danfoss Compressor SZ148A9PM

08/24/2020

What are the advantages of water source heat pump compared with conventional air conditioning technology

Today, let us take a look at what are the advantages of water source heat pumps compared with conventional air conditioning technology?

09/04/2020

Energy-saving space of screw air compressor itself

When we talk about the energy saving of screw air compressors, we often start from the outside of the air compressor, such as frequency conversion transformation, waste heat recovery, etc.

06/29/2020

Compression ratio of American Copeland compressor

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

07/31/2020

How to judge the freezer has aged

Long-term use of the freezer will cause some large and small problems. The freezer in many people's stores has gradually become aging for some years

06/14/2020

How to protect the refrigeration compressor, you must master the following knowledge

When the compressor is running, some abnormal conditions may occur, such as: the discharge pressure is too high, the suction pressure is too low, the oil pressure is insufficient, the motor is overheated, and excessive liquid enters the cylinder. If an ab器2䀀
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02/18/2021

How about the cooling effect of the air-conditioning fan

Air-conditioning fans are becoming more and more popular in summer. Of course, the price of air-conditioning fans is cheaper than air-conditioning. Of course, the cooling effect is not comparable to that of air-conditioning. So what about the cooling effect of air-conditioning fans? This is also a problem that everyone is more concerned about. In addition, the principle of the air-conditioning fan is also what you want to know. Let's take a look at the cooling effect of the air-conditioning fan with the editor, for your reference.

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

06/14/2020

Maintenance and repair of refrigeration compressors

1.Pay attention to the oil surface of the oil mirror of the compressor, and ensure that the oil surface is within the range specified by the oil mirror. If the compressor lacks oil, it will cause chain failures such as seizure, shaft wrapping and burning 器2

08/24/2020

What kind of equipment is generally used in cold storage How to select the refrigeration equipment

The cost of cold storage with a refrigeration capacity of less than 60kw is relatively large, and it is generally suitable for small cold storage and air conditioning units. The cost of such small cold storage within 100 square meters ranges from 30,000 to 100,000.