10-15 min · 7 steps
Cooling Tower: Poor Heat Rejection (High Approach)
Diagnose a cooling tower not rejecting design heat — airflow, distribution, or fill.
First step
Compare cold-water temp to ambient WET-bulb — is approach above design?
No — approach normal
Yes — approach high
This is a preview of the first step. Run the full interactive diagnostic free — it walks you all the way to the likely root cause.