Maintenance of Refrigeration and Air Conditioning Systems for HVAC Technicians

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The trainee obtains an approved certificate from the General Organization for Vocational and Technical Training in the Kingdom of Saudi Arabia.

Salient Features of the Course:

• Explanation of the importance of learning about modern techniques for effective maintenance systems.
• Clarification and introduction for participants to modern methods of maintenance management and continuous improvement.
• Awareness of participants of the importance of applications of modern systems for continuous improvement.
• Training participants on the methods of applying different systems for integrated maintenance.
• Training and discussion through workshops on effective maintenance management practices and continuous improvement.

 

Unit One: The Basics of Installing Air Conditioning Systems and Their Components

• First educational step:

Learn about public and private tools.

Refrigeration and air conditioning:

First, the general tools.

Second, the special tools.

• Second educational step:

Perform basic operations on pipes used in refrigeration systems.

First: Pipe materials and sizes.

Second: Operations related to cooling tubes.

Third: Methods of connecting pipes.

Unit Two: Principles of Air Conditioning

• First educational step:

Understand the basic theoretical principles of cryogenics.

First, the cooling process.

Second: Matter and pressure.

Third: temperature and temperature.

Fourth: Methods of heat transfer.

Fifth: Cooling media.

• Second educational step:

Overview of the working principles of common refrigeration systems.

First: the vapor pressure refrigeration circuit.

Second: absorption cooling circuit.

Unit Three: Domestic Cooling

• First educational step:

Learn the basic principles of electricity.

First, the electric potential difference.

Second, the electric current.

Third: electrical resistance.

Fourth: Components of an electrical circuit.

Fifth: Ohm’s Law.

Sixth: Electrical testing devices.

• Second educational step:

Check the basic components of circuits.

Electrical for home refrigeration

First, the temperature regulator.

Second, the overload circuit breaker.

Third: relays.

Fourth, the electrolytic capacitor.

Fifth: compressor motor.

• Third educational step:

Carry out basic maintenance work for water coolers.

First: Types of water coolers.

Second, the mechanical circuit.

• Fourth educational step:

Carry out basic maintenance skills for household refrigerators.

First: the main types of household refrigerators

Second, the mechanical circuit

Unit Four: Air Conditioning Principles and Applications

• First educational step:

Learn the components and properties of atmospheric air.

First: Components of atmospheric air.

Second: Atmospheric properties.

• Second educational step:

Representation of different adaptations on cyclometric map.

First, the psychrometric map.

Second, the use of the cyclometric map.

Third: Air conditioning.

• Third educational step:

Understand the concept of air conditioning.

First, the air conditioning.

Second: temperature control.

Third: humidity control.

Fourth: clean air.

Fifth: Air movement and distribution.

Sixth: Health and safety standards.

• Fourth educational step:

Know the main uses of air conditioning.

First: home air conditioning.

Second: Air conditioning medium and large buildings.

Third: Air conditioning for industrial purposes.

Fourth: Air conditioning in garages.

Unit Five: Window Air Conditioner

• First educational step:

Implementation of the practical skills of the department.

Mechanical for window air conditioner.

First: Components of a window air conditioner.

Second: Types of window air conditioner.

Third: The components of the mechanical circuit.

• Second educational step:

Implementation of practical skills for the electrical circuit for window air conditioner.

First, the components of the electrical circuit.

Second: Connect the electrical circuit.

Unit Six: Car Air Conditioner

• First educational step:

Accommodates the car air conditioning system.

First: heat sources.

Second: The components of the mechanical circuit.

Fourth: Cooling media.

• Second educational step:

Recognize the components of a mechanical circuit for car air conditioner.

First, the compressors.

Secondly, the capacitors.

Third: stretching devices.

Fourth: evaporators.

Fifthly: the minions.

• Third educational step:

Understand the working principle of the electrical circuit of the air conditioner for car air.

First, the components of the electrical circuit.

Second: The principle of operation of the control circuit.