Many large central chilled water systems depend on high chilled water temperature differential, ΔT, to minimize pumping energy and optimize chilled water thermal storage capacity. Buildings directly connected to central chilled water distribution systems should be designed to minimize pumping energy and maximize return chilled water return temperature to the central plant. High ΔT is achieved with proper coil and control valve selection, piping and pumping design and supply water control. This seminar presents ways to improve performance and avoid problems commonly encountered in large chilled water systems.
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