Assessor Resource

UEERA0019
Design complex control systems for refrigeration or heating, ventilation, air conditioning systems

Assessment tool

Version 1.0
Issue Date: May 2024


This unit involves the skills and knowledge required to design complex control systems for heating, ventilation and air conditioning/refrigeration (HVAC/R) systems.

It includes applying processes and methods of complex control systems for a HVAC/R system, safety and relevant industry standards; developing alternative design schemes based on design brief and customer requirements; and documenting system designs.

The skills and knowledge described in this unit may, in some jurisdictions, require a licence or permit to practice in the workplace subject to regulations for undertaking refrigeration and air conditioning work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.

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

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

developing outlines of alternative designs

developing the design within the safety, regulatory, functional requirements and budget limitations

documenting and presenting design effectively

negotiating design alteration requests successfully

obtaining approval for final design

dealing with unplanned events

applying relevant work health and safety (WHS)/occupational health and safety (WHS/OHS) requirements, including using risk control measures

designing complex heating, ventilation and air conditioning/refrigeration (HVAC/R) control systems

preparing to design complex HVAC/R control systems.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

complex HVAC/R control system design, safe working practices and relevant standards, codes and regulations, including:

advanced HVAC/R control system design:

control diagrams:

Australian standard and non-standard symbols as used in a variety of typical HVAC/R systems

control diagrams

electric/electronic control diagrams

electrical installation documents

pneumatic diagrams

direct digital control (DDC) diagrams

controls/electrical power circuit interface

nomographs

extraction of specific information relating to the operation and control of plant from a variety of typical HVAC/R control diagrams

development of control diagrams to required standards given specific system operating parameters

control design requirements:

standard and statutory requirements

economy of operation (energy management)

the desired or most appropriate system operating logic for a specified HVAC/R system

appropriate mode of control for a specified HVAC/R system

control system type selection for specific applications with due to regard to plant size, application, operating environment, available control power supply options, economy and computability to existing or proposed plant and control system

components required to assemble and operate the control system of a specified HVAC/R system

HVAC/R system energy conservation methods:

HVAC/R system control:

night cycle

optimum stop/start

purge cycles

chiller/boiler/cooling tower sequencing

economy cycles (based on temperature or enthalpy)

supply air reset

condenser water temperature reset

electrical load control:

power demand control

load limiting

load shedding

set point relaxation

ventilation cycles

building management systems:

functions of a building management system:

autonomous functions

input/output (I/O)

general I/O

installation management items

energy management

risk management

information processing

objectives

building running costs

smoke control as per AS 1668.1 The use of ventilation and air conditioning in buildings - Fire and smoke control in buildings

building management system hardware:

system architecture

communication devices

substations

personal computers

interfaces with other systems

I/O functions:

digital - I/O

digital output with status feedback

analogue input/output

sensors

alarms

control sequences

problem-solving techniques

relevant job safety assessments or risk mitigation processes

relevant manufacturer specifications

relevant WHS/OHS legislated requirements

relevant workplace budget, quality, policies and procedures

relevant workplace documentation.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in suitable workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated suitable workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or simulations

relevant and appropriate materials, tools, facilities and equipment currently used in industry

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals.

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

Designing control systems for HVAC/R must include at least the following:

two different complex control systems

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

developing outlines of alternative designs

developing the design within the safety, regulatory, functional requirements and budget limitations

documenting and presenting design effectively

negotiating design alteration requests successfully

obtaining approval for final design

dealing with unplanned events

applying relevant work health and safety (WHS)/occupational health and safety (WHS/OHS) requirements, including using risk control measures

designing complex heating, ventilation and air conditioning/refrigeration (HVAC/R) control systems

preparing to design complex HVAC/R control systems.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

complex HVAC/R control system design, safe working practices and relevant standards, codes and regulations, including:

advanced HVAC/R control system design:

control diagrams:

Australian standard and non-standard symbols as used in a variety of typical HVAC/R systems

control diagrams

electric/electronic control diagrams

electrical installation documents

pneumatic diagrams

direct digital control (DDC) diagrams

controls/electrical power circuit interface

nomographs

extraction of specific information relating to the operation and control of plant from a variety of typical HVAC/R control diagrams

development of control diagrams to required standards given specific system operating parameters

control design requirements:

standard and statutory requirements

economy of operation (energy management)

the desired or most appropriate system operating logic for a specified HVAC/R system

appropriate mode of control for a specified HVAC/R system

control system type selection for specific applications with due to regard to plant size, application, operating environment, available control power supply options, economy and computability to existing or proposed plant and control system

components required to assemble and operate the control system of a specified HVAC/R system

HVAC/R system energy conservation methods:

HVAC/R system control:

night cycle

optimum stop/start

purge cycles

chiller/boiler/cooling tower sequencing

economy cycles (based on temperature or enthalpy)

supply air reset

condenser water temperature reset

electrical load control:

power demand control

load limiting

load shedding

set point relaxation

ventilation cycles

building management systems:

functions of a building management system:

autonomous functions

input/output (I/O)

general I/O

installation management items

energy management

risk management

information processing

objectives

building running costs

smoke control as per AS 1668.1 The use of ventilation and air conditioning in buildings - Fire and smoke control in buildings

building management system hardware:

system architecture

communication devices

substations

personal computers

interfaces with other systems

I/O functions:

digital - I/O

digital output with status feedback

analogue input/output

sensors

alarms

control sequences

problem-solving techniques

relevant job safety assessments or risk mitigation processes

relevant manufacturer specifications

relevant WHS/OHS legislated requirements

relevant workplace budget, quality, policies and procedures

relevant workplace documentation.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in suitable workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated suitable workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or simulations

relevant and appropriate materials, tools, facilities and equipment currently used in industry

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
WHS/OHS requirements and workplace procedures for a given work area are identified, obtained and applied 
 
 
 
Relevant complex control processes and methods are applied to the design 
 
 
 
 
 
System design is presented to customer and/or relevant person/s in accordance with workplace procedures 
 
 
 

Forms

Assessment Cover Sheet

UEERA0019 - Design complex control systems for refrigeration or heating, ventilation, air conditioning systems
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

UEERA0019 - Design complex control systems for refrigeration or heating, ventilation, air conditioning systems

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: