Module Details
| Module Code: |
CRAF6019 |
| Title: |
Refrigeration Tech
|
|
Long Title:
|
Refrigeration Technology
|
| NFQ Level: |
Fundamental |
| Valid From: |
Semester 1 - 2013/14 ( September 2013 ) |
| Field of Study: |
2150 - Craft
|
| Module Description: |
This module will introduce the learner to refrigeration and air conditioning (RAC)engineering principles. It will provide the underpinning knowledge of RAC systems required by the wide range of allied diciplines of Mechanical, Technician and the Renewable Energy sectors.
|
| Learning Outcomes |
| On successful completion of this module the learner will be able to: |
| # |
Learning Outcome Description |
| LO1 |
Outline the basic principles of refrigeration and air conditioning vapour compression technology |
| LO2 |
Outline the health and safety requirements when handling and storing refrigerant fluids |
| LO3 |
Explain the changes that occur to refrigerant fluids as they absorb and reject heat |
| LO4 |
Explain the purpose and function of system components, electrical control devices and control circuits |
| LO5 |
Complete practical demonstrations of pressure testing, leak testing and safe evacuation procedures of a Refrigeration/Air Conditioning test rigs / coldrooms |
| LO6 |
Fault find simulated mechanical and electrical refrigeration systems |
| Dependencies |
Module Recommendations
This is prior learning (or a practical skill) that is strongly recommended before enrolment in this module. You may enrol in this module if you have not acquired the recommended learning but you will have considerable difficulty in passing (i.e. achieving the learning outcomes of) the module. While the prior learning is expressed as named MTU module(s) it also allows for learning (in another module or modules) which is equivalent to the learning specified in the named module(s).
|
|
Incompatible Modules
These are modules which have learning outcomes that are too similar to the learning outcomes of this module. You may not earn additional credit for the same learning and therefore you may not enrol in this module if you have successfully completed any modules in the incompatible list.
|
| No incompatible modules listed |
Co-requisite Modules
|
| No Co-requisite modules listed |
Requirements
This is prior learning (or a practical skill) that is mandatory before enrolment in this module is allowed. You may not enrol on this module if you have not acquired the learning specified in this section.
|
| No requirements listed |
| Indicative Content |
|
Vapour Compression System
Principles of heat flow, pressure-temperature relationship, conduction, convection, radiated heat transfer, single stage compression, direct and indirect cooling/heating systems
|
|
Health & Safety
Health effects, physical properties of refrigerants, flammability, asphyxiation, ozone depletion EPA (2006), manual handling procedures
|
|
Fluid Phase Change
Fluid thermodynamics, Mollier diagrams, heat absorption and heat rejection, saturated, superheated and subcooled fluids
|
|
Component Devices and Electrical Control Circuits
Operation of system control circuits, magnetic solenoid valves, relays, contactors, check valves and regulators
|
|
Pressure Testing and Evacuation
Pressure testing, leak testing, system evacuation, refrigerant charging, safe operating pressures
|
|
Fault Finding
System pump-down, low/high pressure switch control, thermostic controllers, pressure release valves, system short cycling control
|
|
Module Content & Assessment
|
| Assessment Breakdown | % |
|---|
| Coursework | 70.00% |
| End of Module Formal Examination | 30.00% |
Assessments
| End of Module Formal Examination |
|
|
| Reassessment Requirement |
Repeat examination
Reassessment of this module will consist of a repeat examination. It is possible that there will also be a requirement to be reassessed in a coursework element.
|
The University reserves the right to alter the nature and timings of assessment
Module Workload
| Workload: Full Time |
| Workload Type |
Contact Type |
Workload Description |
Frequency |
Average Weekly Learner Workload |
Hours |
| Lecture |
Contact |
Classroom lectures |
Every Week |
3.00 |
3 |
| Lab |
Contact |
Dedicated Lab Volt simulation test rig operation / manual handling exercises on refrigeration systems |
Every Second Week |
1.00 |
2 |
| Independent & Directed Learning (Non-contact) |
Non Contact |
Coursework self study |
Every Week |
3.00 |
3 |
| Total Hours |
8.00 |
| Total Weekly Learner Workload |
7.00 |
| Total Weekly Contact Hours |
4.00 |
| Workload: Part Time |
| Workload Type |
Contact Type |
Workload Description |
Frequency |
Average Weekly Learner Workload |
Hours |
| Lecture |
Contact |
Classroom lectures |
Every Week |
3.00 |
3 |
| Lab |
Contact |
Dedicated Lab Volt simulation test rig operation / manual handling exercises on refrigeration systems |
Every Second Week |
1.00 |
2 |
| Independent & Directed Learning (Non-contact) |
Non Contact |
Coursework self study |
Every Week |
3.00 |
3 |
| Total Hours |
8.00 |
| Total Weekly Learner Workload |
7.00 |
| Total Weekly Contact Hours |
4.00 |
|
Module Resources
|
| Recommended Book Resources |
|---|
-
Althouse, Turnquist, Bracciano,. (2000), Modern Refrigeration and Air Conditioning, [ISBN: 1 - 56637 - 725 - 0].
-
Norman Cook. (1995), Refrigeration and air-conditioning technology, Macmillan, London, [ISBN: 9780333609583].
-
Eugene Silberstein. (2012), Refrigeration and Air Conditioning Technology, 1. [ISBN: 1111644543].
| | This module does not have any article/paper resources |
|---|
| This module does not have any other resources |
|---|
|
