How To Clean Evapco Cooling Tower

Cleaning an EVAPCO cooling tower is important for efficiency, water quality, and extending equipment life. The process can vary slightly depending on whether you have an open circuit, closed circuit, or hybrid tower, but the general cleaning steps are similar. How To Clean Evapco Cooling Tower? Here’s a practical guide:

Step-by-Step Cleaning Procedure for EVAPCO Cooling Towers

1. Preparation

Shut down the system: Turn off the fan and pump. Lock out/tag out for safety.

Drain the basin: Open the basin drain valve to remove water.

Wear PPE: Gloves, goggles, and possibly a mask (to protect from scale dust or biological growth).

2. Debris Removal

Remove large debris: Clean out leaves, dirt, and trash from the basin.

Vacuum sludge: Use a wet vac or pump to remove sediment from the basin floor.

3. Cleaning Fill, Drift Eliminators & Louvers

Access internal parts: Open access panels.

Inspect fill: Look for scale, biofilm, or algae buildup.

Low-pressure wash: Use a low-pressure hose (not high pressure—this can damage PVC fill) to rinse fill, drift eliminators, and louvers.

Chemical cleaning (if needed):

Use a cooling tower cleaner/descaler compatible with EVAPCO (typically non-acidic scale removers or biocides).

Apply chemical solution and allow it to soak per manufacturer’s instructions.

Rinse thoroughly.

4. Basin & Distribution System

Scrub the basin: Use brushes with mild detergent or scale remover.

Check spray nozzles: Remove and clean clogged nozzles with a descaling solution or soak in vinegar-based cleaner.

Flush piping: Ensure water distribution lines are free from scale and slime.

5. Disinfection

Apply an EPA-approved biocide or chlorine treatment to kill bacteria and algae (especially important to control Legionella).

Follow EVAPCO’s guidelines for water treatment and disinfection.

6. Inspection & Reassembly

Check mechanical parts: Inspect fan blades, gearbox, belts, and bearings.

Inspect drift eliminators and fill for cracks or warping. Replace if damaged.

Reinstall cleaned parts and close access panels.

7. Refill & Restart

Refill with clean water.

Check water chemistry: Adjust with proper water treatment (pH, conductivity, biocides, corrosion inhibitors).

Restart system and observe water distribution and fan operation.

Recommended Cleaning Frequency

Light cleaning: Every 1–3 months (depending on water quality and load).

Deep cleaning & disinfection: At least twice per year (spring start-up and fall shut-down).

Emergency cleaning: After visible algae, scaling, or fouling.

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