Danfoss Compressor SH240B9AAD

08/08/2020

How high does the family multi-connected central air conditioner ceiling need to be

How high does the family multi-connected central air conditioner ceiling need to be The reason why many people choose home central air conditioners may be that they look more beautiful and will not spoil the decoration effect of the whole home.

09/14/2020

Troubleshooting of high pressure air compressor

1-0.27/150 Type High Pressure Air Compressor Troubleshooting Method Fault Features Sound in the crankcase Possible cause a. The screw and nut of the connecting rod are loose. Whether the big-end bearing of the connecting rod is loose.

04/13/2022

How to Unclog Expansion Valve?

In the air conditioning and refrigeration system, the blockage fault of expansion valve often occurs. The general blockage faults mainly include "ice blockage" and "dirty blockage".

08/24/2020

What are the common methods for refrigerant leak detection

Visual leak detection 　　 When oil stains are found somewhere in the system, this may be a leakage point.

07/19/2020

Basic knowledge of refrigeration compressor

After shutting down, stop for at least 3 minutes before starting again to eliminate the pressure difference between the compressor inlet and outlet. Because in the case of a large pressure difference, the starting torque of the motor will increase, causing the current to rise to a certain level, the protector will act and the compressor cannot continue to run.

06/29/2020

Compression ratio of American Copeland compressor

06/29/2020

Time node of compressor refrigeration oil replacement

Time node of compressor refrigeration oil replacement 1. The long-term operation of the entire refrigeration system, after the initial maintenance, if there are no special circumstances, the compressor refrigeration oil should be replaced when the refrigeration system working time reaches 10,000-12,000 hours.

08/20/2020

Don't blindly repair the refrigeration compressor if it fails to contact the manufacturer is the best policy

The environmental temperature and humidity test box is mainly used for product temperature, humidity alternating and high and low temperature rapid alternating cycle tests, and its purpose is to detect the reliability of products under high and low temperature impact tests.

08/14/2020

How much do you know about water-cooled chillers A few steps let you know

What is the cooling method of the chiller? A water-cooled chiller is one of them. It has many names. Some people say it is a chiller or a chiller. No matter which type, it is the same machine.

09/04/2020

How to choose air compressor lubricants correctly

Accurate selection of compressor oil for reasonable lubrication is an important measure to ensure the safe and stable operation of the compressor. Therefore, when selecting special lubricants for screw air compressors,