This course is designed specially to improve the knowledge of Refrigeration and air conditioning personals as mostly forgot or not apply in the field.  This course is to develop & improve the Troubleshooting technique for the HVACR personals to maintain the effective & efficient equipment. This course explains the latest and old models HVACR equipment’s comparison and the difference in the service technique.

The course train the participants in electrical field, Inspection and Troubleshooting techniques related to mechanical portion of the HVACR equipments. This course covers all aspects of HVACR Operation. Maintenance & logging system to find out the efficiency of the entire system .This will help the cut down of power consumption and operational cost of the HVACR system

By the end of this training participants will be able to understand:  

• The principles of Refrigeration cycle.
• The principles of air-conditioning.
• Identify and test the Special tools & equipment’s.
• HVACR Preventive & corrective maintenance.
• The Ozone depilation and global warming potential.
• The replacement refrigerants.
• The new refrigerants effects on old equipments.
• The Servicing of Chilled water system.
• The Electrical circuits In HVACR.
• The troubleshooting and fault findings.
• The diagnosis, repairs and Servicing.

This course is designed for Engineers, Supervisors, Foremen and Technicians those are working in Operation and Maintenance of HVACR Systems

Module (01) Principles of Refrigeration & AC Cycle

1.1 Fundamentals of Refrigeration & Air-conditioning

1.2 Refrigeration Cycle

1.3 Parts of Refrigeration Cycle

1.4 What is Air Conditioning?

1.5 Air Conditioning cycle

1.6 Major parts of Air Conditioning

1.7 Different Types of HVACR Systems

1.8 Mechanical & Chemical cooling systems

1.9 Mechanical Control s Temperature and Humidity

Module (02) Serviceman Tools & Equipments

2.1 Vacuum pump and charging cylinder

2.2 Manifold Gauge and Brazing Equipment

2.3 Pinch-off Tool Capable

2.4 Leak detector and Tubing Cutter

2.5 Hand Tools to Remove Components

2.6 Digital clamp-on meter and thermometer

2.7 Pliers and clippers

2.8 Soldering& brazing equipment

2.9 Air velocity measuring instrument

Module (03) Replacement Refrigerants & Ozone Depletion

3.1 Ozone Depletion

3.2 Global Warming Potential

3.3 New and Replacement Refrigerants

3.4 Reclaiming the Refrigerant

3.5 Changing the Refrigerant

3.6 Compressor Lubricating Oils

3.7 Refrigerant Leak Detection

3.8 Dye Systems

3.9 Equipment Test Pressures

3.10 Methods of leak Testing

3.11 Pressure Leak Testing

3.12 Handling Refrigerants: Safety Precautions

Module (04) Servicing of HVACR Equipment

4.1 Service Valves and Gauges

4.2 Service Gauge Manifold

4.3 Fitting and Removing Gauges

4.4 Refrigerant PT Charts

4.5 Pumping down

4.6 Pumping down and charging

4.7 Adding & removing refrigerants

4.8 Vapor Charging

4.9 Liquid charging

4.10 Future of used refrigerants

Module (05) HVACR Diagnosis and Repairs

5.1 Evaporator icing

5.2 Slugging at compressor

5.3 Compressor efficiency test

5.4 Metering devices and defects

5.5 Replacing a thermostatic expansion valve

5.6 Replacing the filter drier

5.7 Sight glass or moisture indicator

5.8 Moisture in the system

5.9 Compressor overhauling

5.10 Excessive operating head pressure

5.11 Compressor motor burn-out: system flushing

Module (06) Electrical Circuits & Protections in HVACR

6.1 Basic Electrical

6.2 Understanding of electrical symbols

6.3 Safety Precautions

6.4 Fuses & Circuit Breakers

6.5 Disconnect Switches

6.6 Ground-Fault circuit interrupters

6.7 Solenoid Valve and Relay

6.8 Compressor Motor starting methods

6.9 Contactors & Relays

6.10 Electrical circuit’s legends

6.11 Electrical component arrangements

6.12 Control & power diagrams

6.13 Sequence of operation

6.14 Set points

Module (07) Inspection & Maintenance of HVACR System

7.1 What is the Maintenance?

7.2 Types of maintenance

7.3 Routine inspection

7.4 Preventive maintenance in HVACR systems

7.5 Corrective Maintenance for HVACR system

7.6 What should to do when season begin?

7.7 What to do during season?

7.8 What should to do during off-season?

7.9 HVACR operation and maintenance log sheets