Maintenance and Operation of Refrigeration and Air-conditioning Systems

COURSE DESCRIPTION

This three-day course would impart to participants vital knowledge on the proper operation and maintenance of refrigeration and air-conditioning equipment. Since equipment breakdown is costly and must at all times be avoided, knowledge in the proper operation and maintenance of equipment, including preventive maintenance measures and repair and troubleshooting techniques, can help in minimizing equipment breakdown and in improving the company's productivity.

COURSE OBJECTIVES

Upon completion of this course the participants should be able to:

1. Know the proper techniques in the operation and maintenance of air-conditioning & refrigeration equipment. 2. Learn the latest techniques, procedures, tools and materials on the operation and maintenance of air-conditioning and refrigeration equipment. 3. Organize a maintenance system for air-conditioning and refrigeration.

COURSE OUTLINE

I. REVIEW OF THE REFRIGERATION CYCLE

   a. Vapor Compression Cycle

II. REFRIGERANT COMPRESSOR

   a. Construction, Operation, Types and Typical Performance Characteristics
   b. Proper Loading and Unloading
   c. Common Problems Encountered in Maintenance and Operation
   d. Troubleshooting, Repairs and PM Measures
   e. Surging and Causes

III. EVAPORATORS, CONDENSERS, HEAT TRANSFER EQUIPMENT AND COOLING TOWERS

   a. Types, Construction and Operation of Evaporators, Condensers and Heat Transfer Equipment
   b. Troubleshooting
   c. Repair and PM Procedures
   d. Systems Evaluation & Charging, Gas Purging and Oil Drawing

IV. PERFORMANCE CHARACTERISTICS OF BLOWERS, FANS, AND AIR DISTRIBUTION SYSTEMS

V. PERFORMANCE CHARACTERISTICS OF PUMPS AND CHILLED WATER SYSTEMS

VI. PIPES, VALVES, DUCTING & INSULATION

   a. Proper Insulation and Use of Pipe and Piping Materials
   b. Choosing the Right Type of Valves and Fittings
   c. Proper Techniques in Ducting

VII. MAINTENANCE OF AIR-CONDITIONING SYSTEM COMPONENTS

VIII. ABSORPTION TECHNOLOGY

   a. Relevant Issues-Montreal Protocol, Power Scenario, Life Cycle Cost
   b. Operating Principle
   c. Type of Energy Input
   d. Application on Cogeneration
   e. Case Studies