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Proper Start-Up Procedures for Cooling Towers

Essential Cooling Tower Start-Up Procedures Hobbs & Associates

Proper start-up procedures for cooling towers are critical to ensuring the system's efficiency, safety, and longevity. Following a systematic approach can prevent common issues such as bacteria growth, mechanical failures, and inefficient operation. Adhering to these procedures not only enhances the performance of your cooling towers but also helps maintain a safe working environment.

Here are the essential steps for a successful cooling tower start-up:

  1. Conduct an overall safety check, ensuring proper lockout/tag-out procedures and the availability of necessary personal protective equipment.

  2. Inspect the area around the cooling tower, checking for any physical hazards or specific risks.

  3. Drain any stagnant water from the system to prevent bacteria growth and ensure clean water flow.

  4. Clean the cooling tower components, including walls, basins, nozzles, and fill, to remove any accumulated debris or contaminants.

  5. Refill the system with fresh, treated water, establishing standard treatment chemical levels with the help of a water treatment professional.

  6. Circulate the water through the system with the fan off for 24 hours to expose all surfaces to the freshly treated water.

  7. Perform biological testing to verify system cleanliness by testing bacteria numbers or chlorine residual levels.

  8. Inspect mechanical equipment such as fan motors, gearboxes, and bearings, ensuring proper lubrication and the absence of any signs of wear or corrosion.

  9. Check and adjust the water levels in the cold and hot basins to ensure proper flow and prevent vortex formation.

  10. Gradually bring the system online, starting with the pumps and slowly ramping up the fan speed while monitoring for unusual noises or vibrations.

To learn more, listen to our latest podcast, "Essential Steps for Starting Up and Inspecting Cooling Towers by SPX Cooling.” Listen now on The Engineers HVAC Podcast!

Available everywhere.

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