This standard includes the following types of liquidchilling systems. These system types are further described in Section 5@ ??Equipment Types.?? Vapor compression cycle. Absorption cycle. This standard does not include systems with a net refrigeration capacity less than 10 tonR (35 kW). This standard does not include a specification of standardized test conditions under which the liquid-chilling system must operate. Test conditions typically reflect the expected operating conditions and are customer specified.