SANYU Relay SU-112DS

07/25/2020

Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

There are two types of failures in the automatic control of refrigeration devices: one is caused by the failure of the refrigeration system; the other is caused by automatic control, electrical component failure, and improper debugging.

06/29/2020

Compression ratio of American Copeland compressor

08/04/2020

Application of energy meter in air conditioning measurement<br></br>

Central air-conditioning household metering technology is more and more commonly used in public buildings with centralized cooling.

09/16/2020

Compression purpose and method of compressed air theory

The basic purpose of gas compression is to deliver gas at a pressure higher than the original pressure. The original pressure level may vary from a very low absolute pressure (a few thousandths of a kilogram) to several thousand kilograms;

09/04/2020

Do you know the classification of commonly used filters

The impurities contained in the compressed air of the pneumatic system are divided into four categories: solid dust, moisture, oil mist and odor. In order to meet the requirements of different industrial sectors on the quality of compressed air,

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

08/21/2020

Haier central air-conditioning compressor repair case analysis

We all know that the compressor is the heart of the refrigeration system, and it can be said to be the lifeblood of the refrigeration system. The compressor often has various problems in the long-term use.

08/24/2020

Poor cooling equipment There is a foreign body at work!

In the refrigeration system, the refrigerant contains various foreign substances such as moisture, non-condensable gas, refrigerating oil, metal shavings, grease, fiber, dust, etc.

08/20/2020

Six characteristics of square cross flow cooling tower

According to industry insiders, the square cross-flow cooling tower adopts air intake on both sides, and the fans at the top allow air to pass through the fillers on both sides of the tower to exchange medium with hot water,

09/07/2020

Dry air compressor sales, please keep these seven words in mind!

【move】 　　 Work does not raise idlers, and the team does not raise idlers. 　　Go every day, not afraid of thousands of miles; 　　 Do it often, not afraid of everything.