Unit of competency Outline
Date retreived
21/07/2026 11:41 PM AWST
21/07/2026 11:41 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Analyse and service HVACR systems
Analyse and service HVACR systems
Unit of competency
National Code
MEM23154
MEM23154
State Code
OEX50
OEX50
TGA Status
Current
Current
DTWD Status
Approved
Approved
State Implementation and Classification
Approved Date
19/04/2023
Field of Education
031315 - Refrigeration And Air Conditioning Mechanics
Original Release Date
19/04/2023
Nominal Hours
70
Description
This unit of competency defines the skills and knowledge required to analyse and evaluate heating, ventilation, air conditioning and refrigeration (HVACR) control system requirements for a specific application.This includes evaluation of existing automatic control systems, interpreting and producing control diagrams, commissioning, fault-finding and repairing existing HVACR control systems. However, this unit does not cover the design of a new HVACR system.This unit applies to HVACR technicians in manufacturing, servicing and maintenance organisations.No licensing, legislative or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1. Prepare for analysis and service task
- 1.1 Obtain and implement work health and safety (WHS) and environmental requirements for the work area
- 1.2 Identify essential elements of the control system
- 1.3 Determine the function of electrical, pneumatic and electronic control and flow devices using control circuit diagrams and/or specifications or other specialised resources
- 1.4 Obtain sequence of control, specify settings and adjust control devices from system’s specifications
- 1.5 Consult appropriate personnel to ensure that work is coordinated effectively with others
- 1.6 Obtain equipment and resources needed for the task in accordance with organisational procedures and check for correct operation and safety
2. Analyse performance of control system
- 2.1 Identify HVACR system operating parameters and system features
- 2.2 Use appropriate equipment and HVACR energy management principles to evaluate the operating economy of the system
- 2.3 Produce control diagrams according to applicable standards and practices
- 2.4 Report analysis to appropriate personnel and establish action to be taken based on findings
3. Adjust and service control system
- 3.1 Confirm plant control compliance with desired conditions through measurements and recording of system performance
- 3.2 Select and use appropriate personal protective equipment (PPE)
- 3.3 Adjust system to required specification
- 3.4 Isolate, replace or repair components not performing to specification
- 3.5 Arrange appropriate tests and measurements on an electrically live system in accordance with WHS and regulatory requirements
- 3.6 Provide solutions to unplanned situations consistent with organisational procedures
4. Make recommendations to improve the performance of plant
- 4.1 Document analysis including details of all findings, calculations and assumptions
- 4.2 Prepare recommendations on control system modifications and discuss with appropriate personnel
- 4.3 Ensure work area is cleaned and made safe in accordance with organisational procedures
No information
No information
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| WE968 | MEM23154A | Analyse and service HVACR systems | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| BIW7 | MEM50222 | Diploma of Engineering - Technical | Qualification |