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Elements and Performance Criteria

  1. Clarify the design brief and specifications for HVAC/R control system

Required Skills

Required skills

Required knowledge includes

interpreting features of plant and equipment and parameters to the brief or contract

advising clients based on discipline knowledge and OHS and regulatory standards

researching sustainability implications and current industrial design techniques

investigating faults in existing designs and arriving at solutions

determining OHS regulatory and risk management requirements

modelling and calculating using appropriate software and validation techniques

generating and evaluating a range of solutions for feasibility against design criteria

designing HVACR control system and energy management plans using current design methods

programming building control systems software

communicating consulting negotiating and reviewing with client stakeholders experts licensed technical and professional services

documenting design with drawings specifications and instructions

Required knowledge

Required knowledge includes

contemporary engineering design methods

HVACR control systems techniques

energy management principles

relevant engineering design methods

design research modelling and computational methodologies applied the HVACR control systems

design methods research and investigations methods

techniques for

continuous improvement

problem solving and decision making

root cause analysis RCA or failure mode and effects analysis FMEA or design review based on failure mode DRBFM and Pareto analysis

OHS and regulatory requirements codes of practice standards risk minimasation and registration requirements

control system principles applied to HVACR systems

types of control equipment

system hardware requirements such as industrial and commercial refrigeration systems hydronic systems and automated controls

HVACR load cycles

BMS principles

energy options such as unit tariffs system and component consumption benchmarks for energy costs and comparative tariffs of supply authorities

interface principles for system components

building management control system software

major system hardware component control and energy requirements

interface principles and techniques for electrical electronic pneumatic and hydraulic sensors and actuators

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessors must be satisfied that the candidate can competently and consistently

design control system and energy management plans

apply safe working practices and procedures

conform to OHS regulatory and environmental requirements standards codes of practice risk management and organisational procedures

investigate and interpret brief and options

communicate consult negotiate and review with client stakeholders experts and licensed technical and professional services

research current issues sustainability implications control system and energy management options software and programming techniques

measure and investigate for initial proposals

model and calculate

use judgement and discretion

use appropriate software and validation techniques

innovate and create for a range of solutions incorporating systems thinking continuous improvement and constraint and contingency management

evaluate solutions against design criteria

conform to OHS requirements

obtain signoff on design

document and produce graphics and drawings specifications and instructions

Context of and specific resources for assessment

This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then a simulated working environment must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team

Where applicable reasonable adjustment must be made to work environments and training situations to accommodate ethnicity age gender demographics and disability

Access must be provided to appropriate learning andor assessment support when required Where applicable physical resources should include equipment modified for people with disabilities

Method of assessment

Assessment must satisfy the endorsed Assessment Guidelines of the MEM Metal and Engineering Training Package

Assessment must satisfy the endorsed Assessment Guidelines of the MEM05 Metal and Engineering Training Package.

Assessment methods must confirm consistency and accuracy of performance over time and in a range of workplace relevant contexts together with application of underpinning knowledge

Assessment methods must be by direct observation of tasks and include questioning on underpinning knowledge to ensure its correct interpretation and application

Assessment may be applied under projectrelated conditions real or simulated and require evidence of process

Assessment must confirm a reasonable inference that competency is able not only to be satisfied under the particular circumstance but is able to be transferred to other circumstances

Assessment may be in conjunction with assessment of other units of competency where required

Guidance information for assessment

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

HVAC/R control system

System components may include:

human machine interfaces

web servers, network topology and bus systems

protocols

system or network controllers

programmable logic controllers (PLCs)

terminal unit controllers for major plant components, such as boilers and HVAC/R central plant air handlers, chilled and hot water valves, air dampers, supply fans and lighting

analog and digital input/output (I/O)

remote control systems, including ethernet options

Parameters to the brief or contract

The design brief may include the design of new equipment or fault analysis, rectification or modification to an existing design. Parameters to the design brief may include:

determination of the degree of innovation and creativity expected by the client

design process limits and budgets

product cost limits and budgets

performance specifications

equipment availability, capacities and restrictions

specified administrative, communication and approval procedures

other special features and limits in the design brief

OHS, regulatory, sustainability or environmental issues

OHS, regulatory, sustainability or environmental issues may include:

OHS Acts and regulations

relevant standards

industry codes of practice

risk assessments

registration requirements

safe work practices

minimising ecological and environmental footprint of process, plant and product

maximising economic benefit of process plant and product to the organisation and the community

minimising the negative OHS impact on employees, community and customer

state and territory regulatory requirements

Given environments

Given environments may include:

workplaces

food halls

restaurants

hotels

hospitals

domestic dwellings

industrial sites, factories, warehouses and cold storage areas

transport and refrigerated vehicles and trains

Range of solutions

Range of solutions may include solutions that:

satisfy the technical requirements of the design brief

are within budget

are able to be manufactured

meet any regulatory requirements

minimise environmental and sustainability impacts

Standards and codes

Standards and codes refer to all relevant Australian and international standards and codes applicable to a particular design task

Client

Client may be:

internal or external to the designer’s organisation

System specifications

System specifications may include, but are not limited to:

ducts and duct systems:

materials

supports

factory and field fabricated

sealants

layout and placements

capacity

zoning

heating and cooling loads

air flow and pressures

refrigerants

energy efficiency

air intake points

control equipment

monitoring equipment

Energy management plan

An energy management plan is a planning document that acts as a single source for all the critical information, steps, resources and methods you need to make efficient and effective movement to improved energy management and reduce energy consumption

BMS

BMS include:

HVAC/R control systems and may also include fire, security and lighting controls