Air conditioning cooling system (VRF)
VRF systems are larger capacity than DX package units, more complex versions of the ductless multiple systems, with the additional capability of connecting ducted style fan coil units. They are inherently more sophisticated than multiplies, with multiple compressors, many evaporators, and complex oil and refrigerant management and control systems. The term variable refrigerant flow refers to the ability of the system to control the amount of refrigerant flowing to each of the evaporators, enabling the use of many evaporators of differing capacities and configurations, individualized comfort control, simultaneous heating and cooling in different zones, and heat recovery from one zone to another. This refrigerant flow control lies
at the heart of VRF systems and is the major technical challenge as well as the source of many of the system’s advantages.
It’s approved that using the VRF system save up to 50 % of electricity to cool the same place with a great benefit on the electricity bills and having an efficient and modern method.