Rockwell AB VFD Frequency Converter 20BD014A2AYNANC1

08/20/2020

Operation procedure of chilled water system

In order to better ensure the normal refrigeration of the chiller, the general chilled water system operation should be carried out when the outdoor temperature is higher than about 30℃,

09/07/2020

How to choose the eight factors of air filter price

1. Air filter price: Before installing the high-efficiency air filter, the clean room must be thoroughly cleaned and wiped. If there is dust in the purifying air conditioning system, it should be cleaned and wiped again to meet the cleaning requirements. 　　1. Air filter price: Before installing the high-efficiency air filter, the clean room must be thoroughly cleaned and wiped. If there is dust in the purifying air conditioning system, it should be cleaned and wiped again to meet the cleaning requirements.

07/31/2020

What kind of equipment is suitable for high and low pressure refrigerant charging method

There are generally two types of refrigerant charging methods: low-pressure charging and high-pressure charging. The advantage of the low pressure charging method is that it is easier to control the amount of refrigerant charged,

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

Air conditioner repairs are too messy the repairman has just walked for 10 minutes and the repaired air conditioner is broken again

"The air conditioner broke down after a while after it was repaired. Now I want to contact the maintenance company but I don't care what it says." Recently, as the temperature rises, the air conditioner usage rate has continued to increase

07/16/2020

Use vacuum pump

When choosing a vacuum pump, you need to pay attention to the following items: 1. The working pressure of the vacuum pump should meet the ultimate vacuum and working pressure requirements of the vacuum equipment.

06/14/2020

Working principle of screw compressor

Working principle of screw compressor The screw compressor cylinder is equipped with a pair of interlocking helical male and female rotors. Both rotors have several concave teeth, and the two rotate in opposite directions.

06/14/2020

Fresh air system allows you to breathe fresh air at home for 24 hours

Fresh air system allows you to breathe fresh air at home for 24 hours In recent years, poor outdoor air quality has caused sensitive people to induce respiratory diseases;

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/07/2020

What happens if the air compressor uses three filters and one oil for an extended period of time

The "three filters and one oil" of the air compressor have a specified service life, which is generally replaced after 2000 hours of use. If you continue to use it beyond the service life, it will bring a lot of harm to the normal operation of the air compressor