step less capacity control down to 0%capacity which is not possible with reciprocating machines and centrifugal,
No Freon used ,no recharging cost of refrigerant ,which will be quite substantial and inevitable in vapor compression cycle. A solar dr-ivan Lithium-Bromide absorption cooling system was studied. it is used only in applications requiring refrigeration at temperatures above 0oC Since water is used as refrigerant, using these systems it is not possible to provide refrigeration at sub-zero temperatures. Refrigeration. A system that uses two or more refrigeration systems working at the same time and exchanging heat between them to produce ultra-low temperatures, is called a(n) _ system. The lithium bromide-based absorption chiller has been around commercially since the late 1950s. The lithium bromide system is the most common because it uses water as the refrigerant. This boiling action cools evaporator or chilled water coils. You can learn more about how refrigerants work and watch a video on the subject here. Water is being used as refrigerant whereas Li-Br is a highly hydroscopic salt, used as absorbent. As seen in the image above, the condenser water is used to cool the water refrigerant in the condenser and the water-Li Br solution in the absorber.