Equipment intended solely for scientific, medical or research purposes.Condensing units solely designed and marketed to serve multiple WICFs or other pieces of refrigeration equipment (e.g., FlexPak).Water cooled condensing units or systems. WICF with floor space in excess of 3,000 ft2.Compressorized racks that serve multiple refrigeration loads.Remote air-cooled condensers and fluid coolers not used for WICF.