HVAC Maintenance and Troubleshooting Course

Course Overview:

This course focuses on advanced critical issues related to the operation, maintenance, and safety of cooling towers.

It is recommended that the cooling towers are operated in conjunction with the water cooling system which has various types and configurations along with several treatment processes.

Participants will also be introduced into performance monitoring, preventive maintenance, corrosion prevention and managing troubleshooting techniques. Efforts made for improving the cooling tower system will cover efficiency improvements, modern control systems and occupational safety. 

This course is intended for engineers, technologists and operators of cooling towers and provides appropriate practices aiding enhancement of the cooling tower performance and increasing the longevity of equipment while also ensuring safe and reliable operations.

Course Objectives:

By completing this training course, participants will be able to:

• Analyze the role of the cooling tower in the plant’s overall water-cooling system
• Understand the operation and efficiency of different types of cooling towers
• Explore the elements of safety of chemical and physical water treatment
• Learn about the performance monitoring and record-keeping
• Identify the important steps in the inspection of cooling towers
• Learn about the best practices for preventive maintenance of the cooling tower

Who Should Attend?

• Engineers and Technicians in Process Plants
• Cooling Tower Operators and Supervisors
• Technical Personnel in Charge of Maintenance and Repair
• Technicians and Operators dealing with HVAC Installations

Course Outlines:

Overview of Cooling Towers and Applications:

• Cooling Towers Types and System Configurations
• Main Construction Elements
• Essential cooling tower treatments
• Why treat the waters?
• Explain the cyclic process in cooling towers
• Associated Equipment: Air Fans and Circulating Water Pumps
• Installation Considerations: Recirculation and Environmental Issues
• Cooling Tower Accessories and Options; Filters and Vortex Breakers

Operation and Efficiency:

• Cooling Load Profile, Water Temperature Range, Approach and Drift Loss
• Define efficiency in cooling towers
• Operation of Cooling Towers: Regular and Intermittent Use: Year-Round Plan
• Modern controls and techniques in cooling towers
• PLC and DCS explanation for cooling towers control systems
• Water quality requirements and how to measure
• Cooling Tower Start-Up & Shut Down: Efficiency of Operation
• Efficiency Considerations: Ways to Improve Overall Performance

Operation and Water Management:

• Cooling Water Quality Management: Treatment and Monitoring
• Water Treatment System Controls: Chemical Dosing
• Bleed-Off Water Quality Control
• Secondary efficiency measure
• Concentration ratio measurement
• Cathodic protection techniques to increase lifetime
• Modern coating techniques  

Water Treatment and Control:

• Corrosion: Causes, Problems and Prevention Methods
• Chemical Water Treatment: Inhibitors and Passive Methods: DCC Control
• Explain Basic motors types in Cooling towers
• Prober connection for all accessories (Electrical, Instrumentation)
• Grounding connection
• Physical Water Treatment Methods: Filtration Systems and Efficiency

Maintenance, Repairs, and Troubleshooting:

• Maintenance & Repair: Routine and Preventive Best Practices
• Inspection Check List for Mechanical Equipment: Fans and Pumps
• Applying FMEA, DFMEA and PFMEA modern techniques to extend the lifetime
• Safe operation as per manufactures
• Different tests must be applied for all auxiliary systems
• Risk Management of Cooling Tower System
• Occupational Health & Safety Considerations