Danfoss Compressor SH140A3ALH

08/07/2020

How to realize the variable flow regulation of the circulating water pump in the heating system

After heating metering and charging, the radiators are equipped with temperature control valves. Due to the regulating effect of the temperature control valve, the heating system changes from constant flow (that is, quality adjustment) operation to variabŒﰨ2䀀湠疌

09/03/2020

Air compressor application-spraying industry

Air spraying can be said to be a spraying method with convenient operation, easy color change, high production efficiency, good atomization effect, and high-quality surface with fine rust.

06/30/2020

Excessive head resistance will cause compressor to trip

Excessive head resistance will cause compressor to trip The existence of compressor failure does not seem to have much to do with the brand. In other words, whether it is a Hitachi compressor, a Copeland compressor, or another brand of compressor, as long as it is used for a long time, there will be some problems of failure. . Compressor tripping is a common fault. When this failure usually occurs, we should comprehensively look for the cause of the failure.

06/22/2020

Why is the air conditioner not cooling

There are generally two reasons for air conditioning not cooling, one is caused by insufficient internal freon, and the other is caused by clogged filter. When the air conditioner is not cooling, you can clean the filter first, and then replace the freon. If you don't know how to operate, you can ask a professional maintenance staff to clean and replace it. <img src="{{media url=&quot;magefan_blog/Why_is_the_air_conditioner_not_cooling_1.jpg&quot;}}" alt="" />

08/24/2020

Responding to the failure of the air conditioning compressor in the computer room, one solution!

The special air conditioner for the computer room is designed based on the characteristics and requirements of the computer room and each communication room. It has the characteristics of constant temperature and humidity, high control accuracy, high air cleanliness and high reliability.

08/16/2020

What are the tasks that water-cooled chillers need to perform regularly

When using a water-cooled chiller, due to environmental or water quality issues, which will affect the normal operation of the equipment, it is necessary to perform some work on the water-cooled chiller regularly to maintain a stable working state and reduce the occurrence of failures.

08/11/2020

How to check the air tightness of refrigeration equipment correctly

The refrigeration equipment is kept under a proper vacuum for a certain period of time. Whether the reading of the vacuum pressure gauge changes to reflect and observe whether the air penetrates into the system to check the sealing performance of the system.

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.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/16/2020

Compressor failure and elimination

The compressor is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges high-temperature and high-pressure refrigerant liquid to the exhaust pipe to provide power for the refrigeration cycle.