This paper describes the reasons for the selection of hydraulic balancing valves in air-conditioning water systems, and introduces the characteristics of hydraulic balancing valves, as well as the application of hydraulic balancing valves on the water system for hydraulic balancing adjustment of the steps, methods, the requirements of the system co-conditioning, the process and evaluation.

Abnormal noise or vibration 1. fan speed is too high, too much ventilation 2. bearing oil shortage or damage 3. fan blade and other parts of the collision 4. some parts of the fastening bolts of the nut loose 5. fan blade screws loose 6. belt and shield friction 7. gear box oil shortage or gear wear 8. waterproof sleeve (baffle) and filler friction 1. to reduce the speed of the fan or adjust the angle of the fan blade or replace the appropriate Air volume of the fan 2. add oil or replace 3. identify the cause, remove 4. fasten 5. fasten 6. tighten the belt, tighten the shield 7. add enough oil or replace the gear set 8. adjust the waterproof sleeve (baffle) or fillers

In order to ensure that the industry is stable and far-reaching, to help Chinese air conditioning enterprises in the international arena shine, China Chamber of Commerce for the Import and Export of Machinery and Electronic Products and the China Electrical Appliance Research Institute are carrying out the export of room air-conditioner energy efficiency carbon efficiency level “industry standard drafting work.

Central air-conditioning system fresh air inlet setting requirements 1.Fresh air inlet location

The second step: the crystallization of salt impurities attached to the metal surface to form scale, or suspended in the water to become water slag