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Cooling Tower Optimization and Pump Staging
Cooling Tower Optimization and Pump Staging
A condenser water plant experienced unstable tower operation and delayed pump staging.
Problem
Lead-lag pumps delayed excessively during failures and tower fans cycled aggressively.
Approach
Lead-lag pumps delayed excessively during failures and tower fans cycled aggressively.
Solution
– Reduced standby pump delay
– Retuned tower fan PID
– Added tower enable logic tied to condenser load
Results
– Faster response to pump failures
– Reduced condenser water temperature swings
– Improved chiller efficiency