05/23/2025
Call UTP at 602-997-0403
Cooling tower maintenance during the summer is crucial to ensure optimal performance, energy efficiency, and system longevity—especially since the demand on HVAC systems typically peaks during this season. Here’s a detailed summer maintenance checklist for cooling towers:
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✅ Cooling Tower Summer Maintenance Checklist
1. Inspect and Clean the Tower
• Remove debris: Clear out leaves, dirt, and other debris from the basin, fill media, drift eliminators, and strainers.
• Clean the fill and basin: Use pressure washers or tower-safe chemicals to remove algae, scale, and biofilm.
• Check for corrosion: Inspect all metal parts (especially galvanized steel) for rust or deterioration.
2. Water Quality and Treatment
• Test water chemistry weekly: Check pH, conductivity, hardness, and microbiological levels.
• Treat for algae and bacteria: Ensure biocides and scale inhibitors are being dosed correctly.
• Blowdown control: Adjust automated blowdown systems for optimal water turnover.
3. Mechanical Components
• Inspect the fan motor and belts: Look for wear, tension issues, and alignment problems.
• Lubricate bearings: Follow manufacturer recommendations for lubricating motors, pumps, and fan assemblies.
• Check gearboxes: Inspect for oil level, leaks, and signs of overheating or wear.
4. Pumps and Valves
• Check pump operation: Ensure proper flow rate and no abnormal noise or vibration.
• Inspect valves: Look for leaks, corrosion, or improper function in makeup water and blowdown lines.
5. System Performance Monitoring
• Measure temperature differentials: Verify proper heat rejection by checking approach temperatures.
• Monitor flow rates: Ensure water is circulating efficiently through the system.
• Check vibration and noise: Unusual sounds can be early indicators of mechanical problems.
6. Safety and Documentation
• Review safety equipment: Check ladders, railings, and access platforms for integrity and safety.
• Update maintenance logs: Document all inspections, findings, and corrective actions.
• Schedule regular inspections: Set reminders for mid-season and end-of-summer checks.
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🧰 Pro Tips:
• Schedule major cleanings during cooler times of day to reduce system downtime.
• Use water treatment automation systems to maintain consistent chemical dosing.
• Keep spare parts on hand, especially belts, motor bearings, and treatment chemicals.
