Fluid

Through our innovative blended learning programme, training is delivered over 12 fortnightly 2 day sessions, thus reducing workplace absence though:
Self learning materials
Online support
1:1 tutorials
Group tutorials
Practical workshops

2. Be able to draw up a Brazing Procedure Specification for copper to copper joints and copper to steel joints.

3. Be able to explain and demonstrate the basic principles of brazing.

4. Be able to explain the various processes which take place during brazing.

5. Practice good housekeeping rules with regard to the environment and their own safety.

6. Be able to identify the acceptance criteria to meet the required standard and recognise in their own work where they might be weak as per the standards.

7. Braze to specification and in accordance with the PED copper to copper joints (⅝" copper to copper, ⅞" copper to copper: Level 2, 1 ⅜" copper to copper, 1 ⅝" copper to copper: Level 3)

8. Certified to EN378:2008

Workplace absence is reduced through our innovative blended learning programme, training is delivered with 3 day classroom training and 1 day assessment with:
• Self learning materials
• Online support
• 1:1 tutorials
• Group tutorials
• Practical workshops

Note this course is a blended learning course and internet access is required.

Minimum requirements: Explorer / Mozilla, adobe reader, flash player.

This course extends the knowledge and understanding required for units:
1. Maintain safe working environment for HVACR activities
2. Maintain effective working relationships
3. Contribute to the improvement of business products and services for HVACR activities.
10. Plan complex RAC work activities
11. Commission and de-commission complex RAC systems
12. Install complex RAC systems and components
13. Service and maintain complex RAC systems and components

2. Cooling Systems and Technology
a) Describe system layout and operating principles for multi compressor pack systems with capacity control.
b) Describe system layout and operating principles for multi evaporator systems with independent control for each evaporator.
c) Explain the principles of:
- oil separation, recovery and rectification
- hot ‘gas’, saturated ‘gas’ and electric defrost systems
- pumped liquid recirculation systems
- variable refrigerant volume/flow systems
d) Describe the main operating features and characteristics of each of the following compressor systems.
- screw
- scroll
- centrifugal
- rotary
e) Describe the features and characteristics of expansion devices in current use.
f) Describe the operating principles and application of suction pressure, evaporating pressure and crankcase pressure regulating valves
g) Describe the system layout and operating principles for water chilling systems
h) Describe the system layout and operating principles for central air conditioning systems

3. Cooling Science and Calculations
a) Compare and contrast system performance at a variety of conditions using pressure enthalpy diagrams.
b) Compare and contrast air conditioning processes using the psychrometric chart
c) Apply equipment and components to cooling applications to allow system selection, design and balancing to be carried out
d) Describe the effect of heat and vapour transfer to insulated structures
e) Compare and contrast the use of different refrigerant types in cooling applications
f) Explain the features and characteristics of zeotropic blends, azeotropes and single fluid refrigerants.
g) Assess heat loads to insulated cooled applications
h) Explain Dalton’s Law of Partial Pressures
i) Describe Boyles Law Charles’ Law and the Combined Gas Equation.

4. Cooling System Electrics, Electronics and Controls
a) Describe electrical circuits for systems in the range
b) Explain the principles of electronic monitoring systems (EMS) and building monitoring systems (BMS). c) Describe the principles of single phase and three phase motor and motor control and protection circuits.
d) Describe the requirements of the Electricity at Work Regulations and the Institute of Electrical Engineering Regulations.
e) Trace and explain electrical circuit diagrams for systems in the range.

Through our innovative blended learning programme, training is delivered over 12 fortnightly 2 day sessions, thus reducing workplace absence though:
Self learning materials
Online support
1:1 tutorials
Group tutorials
Practical workshops