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ACH580 Cooling Tower Multi-Cell Operation Technical Note

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This technical note explains how to use the ACH580 variable frequency drive with Intelligent Pump Control (IPC) to stage and rotate multiple cooling tower fans for energy-efficient multi-cell operation. It covers wiring, sensor inputs, safety interlocks, PID loop programming, and IPC configuration for lead-lag control, even wear rotation, and integration with building automation systems.

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