User Manuals |
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Cooling Tower Systems - Trouble Shooting |
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Lowering Cooling Capacity
| Trouble |
CAUSE |
REMEDY |
| Motor Stoppage |
Electric Blackout.
Fuse Burn Out.
Insufficient Switch Capacity.
Bad Switch Contact. |
Contact Power Co.
2 Get Proper Fuse. Change the Proper Switch. Adjust Contact. |
| Sudden Lowering of Motor R.P.M. |
Bad Star-Delta Contact. Too Heavy Loads. Lowering of Voltage. |
Adjusts Contact.
Lighten to Proper Load. Consult Power Company. |
| Fan Stoppage |
Bad Bearing. |
Exchange Bearing. |
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Temperature Rise
| Motor Temp. Rise. |
Too Heavy Load. Lowering of Voltage. High Surrounding. |
Lighten Load to Proper Level. Consult Power Company. Send Out to Repair Shop. |
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Rise in Water Temperature
| Water Flow Above Specified Flow. |
Correct Flow Rate. |
| Air Flow Below Specified Flow. |
Adjust Blade Angles Check and Clean Jali. |
| Load Higher than Design. |
Adjust Load to correct Flow Rate. |
| Fills Chocked or coated. |
Clean/Replace Fills. Use Proper Water Quality (Make Up) |
| Fresh Air Intake not sufficient or area sufficient or area near tower not as specified. |
Improve Ventilation and Ensure Exhaust air does not get recycled. |
| Water Bypassing Fills. |
Check Sprinkler Head and Pipe Leakages. |
| Sprinkler Jammed/Water not being Sprinkled and Distributed. |
Repair Sprinkler and Distribution System. |
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Water Flow Less
| Filters Chocked |
Clean Water Filters |
| Sprinkler Pipe Chocked |
Clean Pipes and Holes |
| Level of Water Low in sump |
Adjust Float/Inlet Flow Proper Make-up |
| Pump Small |
Replace to Correct Flow Volume |
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Air Flow Low
| Fan Speed Low |
Check Bearing/Motor |
| Fan Blade Angle Incorrect |
Correct Blade Angle to Required Setting |
| Inlet Jali Chocked |
Clean Air Path |
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Noise & Vibration
| Fan Mounting Loose |
Tighten Mounting Bolts and Correct/Replace if needed. |
| Fan Blocks Loose |
Tighten Blade in Hub |
| Fan Unbalanced |
Rebalance and Adjust |
| Motor Bearing Faulty |
Check and Grease or Replace Bearing on Motor |
| Hub Mounting on Motor Shaft Loose |
Tighten and use end Plate and shims if required |
| Many Parts Rubbing againt Tower Component |
Give Proper Clearance and Adjust/Align Components. |
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Water Carry Over
| Sprinkler Rotation too Fast |
Adjust Sprinkler Angles as to MAtch the specified rotation |
| Blocking of Filter |
Clean up any blockage part |
| Defective Eliminator |
Renew Eliminator |
| Sprinkler too high above fills |
Adjust as specified below
25 M.M. FT –8 TO FT-30
50 M.M. FT-40 TO FT-80
75 MM. FT-100 AND UP |
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Maintenance Schedule |
Every Day:
- Vibrations Are Normal/Noise Normal.
- Water Distribution Proper.
- Fan Motor Current Normal.
- Inlet/Outlet Temperature Of Water Normal.
Every Week:
- Clean Inlet Jali To Remove Entrained Matter.
- Clean Inlet Water Filter.
- Clean Sprinkler / Nozzles If Chocked.
- Check Growth of Alger Etc. And Remove From Sump.
Every Month:
- Drain Tank, Flush Out and Remove Any Sediment.
- Check Fills If Clogged Due To Algae, Sediment / Salts, Etc.
- Check Structure / Frp Casing and Basin Damage and Repaired If Necessary.
- Clean From Outside With Soap and Water.
- Check And Tight All Bolts.
- Smear Bolts with Grease to Facilitate Easy Opening the Next Time.
Every Six Months:
- Grease All Bearings Of Motors.
- Grease All Bearings Of Sprinklers.
- Check Run out On Fan Motor Shaft.
- Clean Blades Of Foreign Matter.
- Check Fills If Damaged And Replace.
- Enlace Bearing Of Sprinkler Assembly After 2 Years And Fill With Grease.
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- A close approach
- Greater thermal efficiency
- Higher energy saving
- Ease of maintenance
- Economy of initial as well as running cost with longer life
- Turnkey solution
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- 15 Years of experience
- State-of-the-art infrastructure
- Modern & advanced equipments
- 1000+ Indian and overseas clients
- Team of qualified professionals
- Superior quality and affordable price
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