Electrical Three (Three Phase Electricity pertaining to Air Conditioning and Refrigeration)

Advanced

Entry Requirements: Completion of Technology 1, Technology 2, Technology 3, Electrical 1,
Electrical 2, incl. Basic Literacy and Numeracy.
Duration: 10 days
Class Times: Monday – Friday 08h00 until 15h30
Cost: R 19 850,00 incl. vat

Objectives

This course represents the advanced three phase electrical aspects, theoretical knowledge and practical skills required by all persons wishing to work in the air conditioning and/or the refrigeration fields. The course has a full theory and practical component in our accredited workshop.

Outcomes

Upon successful completion of this course the student will have the understanding and the practical skills for the wiring of control panels, electrical motors and starters (three phase). Interpretation of three phase circuits, sketching three phase circuits applicable to air conditioning and refrigeration systems. Inspection and maintenance of electrical panels, electrical motors, starter panels and circuits. Fault-finding and repairing three phase electrical panels, electrical motors, starter panels and circuits. Construction of three phase electrical motors and starter circuits. Operation and testing of electrical motors. The purposes of various available variable speed drives and soft starters. Wiring, inspection, maintenance, fault-finding and repairing of variable speed drives, soft starters and electronically controlled fans. Knowledge and understanding of basic electronics. Fundamental operation, construction and testing of basic electronic circuits.

Example of Skills

Establish safety aspects (electrical isolation) Identify, test and connect electrical motors (three phase). Read, design and interpret electrical diagrams including symbols and legend requirements, basic motor controls and starters in accordance with the electrical diagrams. Construct complete electrical circuitry including controls, components, accessories, motors and panel with the correctly identified cabling/conductors. Fault-finding and testing of electrical motor circuits and equipment in the air conditioning and/or the refrigeration fields. (Three phase). Determine, conduct, verify and report on faulty components.