Unit of Refrigeration:
Capacity of refrigeration unit is generally defined in ton of refrigeration. A ton of
refrigeration is defined as the quantity of heat to be removed in order to form one ton
(1000 kg) of ice at 00C in 24 hrs, from liquid water at 00C. This is equivalent to 3.5 kJ/s
(3.5 kW) or 210 kJ/min