Course Title: Analyse and service HVAC/R control systems

Part B: Course Detail

Teaching Period: Term2 2013

Course Code: MIET6146

Course Title: Analyse and service HVAC/R control systems

School: 130T Vocational Engineering

Campus: City Campus

Program: C6069 - Advanced Diploma of Engineering Technology

Course Contact: Program Manager

Course Contact Phone: +61 3 9925 4468

Course Contact Email:

Name and Contact Details of All Other Relevant Staff

Dr. Yakov Elgart

Telephone: +61 3 9254668


Nominal Hours: 80

Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.

Pre-requisites and Co-requisites

It is recommended that on entry into this unit learners possess knowledge and skills equivalent to those described in:

VPAU625 Analyse refrigeration systems

Course Description

This unit of competency sets out the knowledge and skills required to analyse and evaluate heating, ventilation, air conditioning and refrigeration (HVAC /R) control system requirements for a specific application.

This includes evaluation of existing automatic control systems; interpret and produce control diagrams; commission, fault find, and repair a HVAC/R control system

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication

The unit applies to manufacturing, servicing and maintenance enterprises incorporating refrigeration and air conditioning design, manufacture and installation.

This unit of competency is intended for courses at Diploma Level or higher.

National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

VPAU642 Analyse and service HVAC/R control systems


1 Prepare for analysis and service task

Performance Criteria:

1.1 OH&S and environmental requirements for a given work area are obtained from appropriate personnel, understood and implemented to industry standards.

1.2 The essential elements of a control system are identified.

1.3 The function of electrical, pneumatic and electronic control and flow devices using control circuit diagrams and/or specifications are determined using appropriate resources.

1.4 Sequence of control, specify settings, and adjust control devices are obtained from system’s specifications.

1.5 Appropriate personnel are consulted to ensure that work is co-ordinated effectively with others.

1.6 Equipment and resources needed for the task is obtained in accordance with enterprise procedures and checked for correct operation and safety.


2. Analyse performance of control system

Performance Criteria:

2.1 Knowledge of HVAC/R system operating parameters is applied to analytical solutions to refrigeration and air conditioning systems.

2.2 Current HVAC/R energy management principles are used to evaluate the economy of operation of the system using appropriate equipment.

2.3 Control diagrams are produced according to applicable standards and practices.

2.4 Analysis is reported to appropriate personnel to establish appropriate action to be taken based on findings.


3. Adjust and service control system

Performance Criteria:

3.1 Measurements, recordings, of system performance are taken as required to confirm plant control compliance with desired conditions.

3.2 System is adjusted to specification according to system’s specifications and enterprise procedures.

3.3 Components not performing to specification are isolated and replaced or repaired.

3.4 Work to test or measure on an electrically live system is carried out in strict accordance with OHS requirements and when necessary conducted within regulatory requirements.

3.5 Unplanned events are dealt with safely and effectively consistent with regulatory requirements and enterprise procedures.


4. Make recommendations to improve the performance of plant

Performance Criteria:

4.1 Analysis is documented including details of all findings, calculations and assumptions.

4.2 Recommendations on control system modifications are made in discussion with appropriate personnel.

4.3 Work area is cleaned and made safe in accordance with enterprise procedures.

Learning Outcomes

Not Applicable

Details of Learning Activities

The learning activities in this course are designed to equip students with knowledge and skills to Analyse and Service HVAC/R Control Systems

The course will be using a combination of lectures, reading tasks, practical work and mainly tutorials/assignments to achieve these objectives.

Readings: Students may be required to read relevant section(s) of the recommended references/class notes prior to the next class.

Class Assignments are designed to challenge the students and ensure that participants apply and deepen the theoretical knowledge covered in lectures.

Teaching Schedule

SESSION 1: Introduction to course; Control theory and terminology

SESSION 2: Control theory and terminology - Definitions, Purposes, Control action, Energy sources, measurement, symbols & abbreviations, Psychrometrics

SESSION 3: Pneumatic Control Devices - Control Cabinets & Air Supply

SESSION 4: Electric & Electronic Control Devices - Control Cabinets & Air Supply

SESSION 5: Fluidic Control Devices - Wall attachment devices, Turbulence, Vortex & Radial Jet amplifiers, Fluidic Transducers, Manual Switches

SESSION 6: Flow Control Devices – Damper, Steam and Water Flow Control Valves

SESSION 7: Elementary Control Systems – Outside Air Controls, Air Stratification, Heating/Cooling coils, Humidity Control, Dehumidifiers, Static Pressure Control, Electric, Gas fired and Oil fired Heaters, Refrigeration Equipment, Fire and , Smoke Control, Electrical Interlocks, Sensor Location

SESSION 11: Complete Control Systems – Single Zone & Multi-Zone Air handling systems, Variable volume and Reheat systems, Heat reclaim, Fan Coil units, Induction Systems, Unit Ventilators, Packaged equipment, Radiant Heating and Cooling

SESSION 12: Electronic Control Systems

SESSION 13: Special Controls

SESSION 14: Retrofit of Existing Control Systems

SESSION 15: Dynamic Response and Tuning

Learning Resources

Prescribed Texts


Best Practices in HVAC Controls - Advanced Energy

Manual for Refrigeration ServicingTechnicians - United Nations Environment Programme 2010

Other Resources

Teacher’s notes, Blackboard, S Drive & Web References

Overview of Assessment

The assessment is conducted in both theoretical and practical aspects of the course according to the performance criteria set in the Competency Descriptor.

Assessment may incorporate a variety of methods including written/oral activities and demonstration of practical skills to the relevant industry standards.

 Participants are advised that they are likely to be asked to personally demonstrate their assessment activities to their teacher/assessor

Feedback will be provided throughout the course.

To successfully complete this course you will be required to demonstrate competency in each assessment task
detailed under Assessment Tasks section of Course Guide Part B.

Assessment Tasks

The assessment is conducted according to the performance criteria set in the National Training Package. The students are required to undertake summative assessments that bring together knowledge and skills.

To successfully complete this course you will be required to demonstrate competency in each of the assessment tasks detailed below:

1. Assignment (Part A): (50%)

2. Assignment (Part B): (50%)

Assessment Matrix

Assessment Task: Performance Criteria Weighting
Assignment(Part A) 1-3 50%
Assignment(Part B) 1-3 50%

Other Information

Study and learning Support:

Study and Learning Centre (SLC) provides free learning and academic development advice to you.
Services offered by SLC to support your numeracy and literacy skills are:

assignment writing, thesis writing and study skills advice
maths and science developmental support and advice
English language development

Please Refer to find more information about Study and learning Support

Disability Liaison Unit:

If you are suffering from long-term medical condition or disability, you should contact Disability Liaison Unit to seek advice and
support to complete your studies.

Please Refer to find more information about services offered by Disability Liaison Unit

Late submission:

If you require an Extension of Submittable Work (assignments, reports or project work etc.) for 7 calendar days or less (from the original due date) and have valid reasons, you must complete and
lodge an Application for Extension of Submittable Work (7 Calendar Days or less) form and lodge it with the Senior Educator/ Program Manager.
The application must be lodged no later than one working day before the official due date. You will be notified within
no more than 2 working days of the date of lodgment as to whether the extension has been granted.

If you seek an Extension of Submittable Work for more than 7 calendar days (from the original due date) must lodge an Application for Special
Consideration form under the provisions of the Special Consideration Policy, preferably prior to, but no later than 2 working days
after the official due date.

Submittable Work (assignments, reports or project work etc.) submitted late without approval of an extension will not be accepted or marked.

Special consideration:

Please Refer;ID=riderwtscifm (unresolved) to find more information about special consideration


Plagiarism is a form of cheating and it is very serious academic offence that may lead to expulsion from the University.

Please Refer: to find more information about plagiarism.

Other Information:

All email communications will be sent to your RMIT email address and you must regularly check your RMIT emails.

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