4 Day Essential Electrics & Refrigeration Controls Course

This course is the 2 day Essential Electrics course and 2 day Fridge Control course combined into one for those wanting to complete both courses in one go.

What Does This Course Cover?

1. Electrical Concepts

• 1.1 Magnetism
• 1.2 Electrical Terms
• 1.3 Conductors and Insulators
• 1.4 Relationships (Ohms Law)
• 1.5 Series and Parallel Circuits
• 1.6 Electrical Power
• 1.7 Inductors
• 1.8 Direct and Alternating Current
• 1.9 Rectifiers
• 1.10 Single Phase Motors
• 1.11 Three Phase Motors

2. Safe Isolation

• 2.1 Electric Shock
• 2.2 Body Resistance
• 2.3 Removing Persons from Live Conductors
• 2.4 First Aid
• 2.5 Electrical Isolation
• 2.6 Test Lamps and Proving Units

3. Instrumentation

• 3.1 Measurement of Voltage, Current and Resistance
• 3.2 Analogue and Digital Displays
• 3.3 Meter Calibration
• 3.4 Battery Condition and Continuity of Test Leads
• 3.5 Earth Continuity Testing
• 3.6 Insulation Resistance Testing

4. Electrical Regulations

• 4.1 Electricity at Work Regulations 1989
• 4.2 Electricity Supply Regulations 1988
• 4.3 The Low Voltage Electrical Equipment (Safety) Regulations 1989
• 4.4 Health and Safety at Work Act 1974

5. Supply Systems

• 5.1 The Distribution System
• 5.2 AC Supply
• 5.3 Electricity into the Building
• 5.4 Control and Protection Equipment
• 5.5 Identification Notices
• 5.6 BS 4343 Plugs and Sockets

6. Earthing and Bonding

• 6.1 Earthing Arrangements
• 6.2 Earthed Equipotential Bonding
• 6.3 Types of Circuit Protective Conductors
• 6.4 Supplementary Bonding Conductors
• 6.5 Temporary Continuity Bonding

7. Termination Skills

• 7.1 Stripping Insulated Cables
• 7.2 Types of Terminal
• 7.3 Identification of Conductors
• 7.4 Termination Tooling

8. Electrical Safety

• 8.1 Electrical Safety Checks
• 8.2 PAT Testing
• 8.3 RCD Protection
• 8.4 CPC Continuity
• 8.5 Insulation Resistance

9. Circuit Protection

• 9.1 Fuses
• 9.2 Miniature Circuit Breakers (mcb)
• 9.3 Circuit & Equipment Overload
• 9.4 Safety Relays
• 9.5 Phase Loss
• 9.6 Compressor Klixons

10. Controls

• 10.1 Thermostats
• 10.2 Remote Sensing Equipment
• 10.3 Comfort Cooling
• 10.4 Central Plant

11. Detectors / Sensors

• 11.1 Temperature
• 11.2 Pressure HP / LP / Oil
• 11.3 Hot Gas
• 11.4 Defrost
• 11.5 Humidity

12. Motors

• 12.1 Single Phase Variants
• 12.2 Current Relays
• 12.3 Potential Relays
• 12.4 Capacitors
• 12.5 Three Phase Variants
• 12.6 D. O.L 12.7 Star Delta
• 12.8 P. W.S

13. Typical Electrical Circuits

• 13.1 Basic Principles
• 13.2 2 Golden Rules
• 13.3 Circuit Diagrams

14. Inspection and Testing

• 14.1 Reasons for Inspection and Testing
• 14.2 Test Instruments
• 14.3 Safety
• 14.4 Continuity of Protective Conductors
• 14.5 Polarity Testing
• 14.6 Monitoring Running Conditions