This 40-to-80 ton water-cooled air conditioning unit features a cassette construction with small modular sections and footprint. It fits through a standard-size doorway and most elevator doors, facilitating a faster, money-saving installation process. This solution features variable-speed compressors and fans that increase energy efficiency and sustainability while reducing operating costs. It has easy-to-use UC600 Trane controls for enhanced management over building equipment to ensure continued optimized performance. Technicians can enable a customized programmable sequence of operation for these controls during field installation. The controls can be modified and supported via a connected device from anywhere in the world. The unit’s cassette construction provides cost-saving, and easy accessibility to parts for maintenance or repairs.