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Elements and Performance Criteria

  1. Prepare to produce HVAC/R design drawings
  2. WHS/OHS risk control measures and workplace procedures in preparation for the work are followed
  3. Scope of work is determined from project specifications and/or discussions with relevant person/s
  4. Relevant person/s is consulted to ensure the work is coordinated effectively with others involved on the worksite
  5. Software tools and equipment required for work are obtained in accordance with workplace procedures
  6. Produce HVAC/R design drawings
  7. Relevant design drawings and layouts required are determined in accordance with project specifications
  8. Technical data of system components is interpreted to determine parameters for inclusion in accordance with project specifications
  9. Relevant software tools are used to produce drawings in accordance with project specifications
  10. Drawings are checked for accuracy in accordance with project specifications and workplace procedures
  11. Methods for dealing with unplanned events are conducted in accordance with workplace procedures and safe work practices
  12. Complete and report HVAC/R design drawings
  13. Alterations, additions and/or corrective instructions are followed and drawings are re-submitted for final approval in accordance with project specifications and workplace procedures
  14. Copies of completed drawings are filed in accordance with workplace procedures

Range Statement

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.

producing design drawings must include at least the following:

two different HVAC/R projects

servicing and repairing secondary refrigeration systems must include at least two of the following system types:

chilled water or glycol/brine system

condenser water system

defrost system

heat recovery system

thermal storage system

servicing and repairing secondary refrigeration systems must include the following components:

cycling controls

heat exchangers

primary refrigerant flow controls

pumps

safety controls

secondary refrigerant flow controls

secondary refrigerant piping, insulation and associated equipment

Performance Evidence

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:

understanding the extent of the drawing work accurately

determining appropriate types of drawings and their layouts correctly

including appropriate technical data parameters in the drawings

checking and correcting drawings accurately

filing copies of completed drawings securely

dealing with unplanned events

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

completing and reporting heating, ventilation and air conditioning/refrigeration (HVAC/R) design drawings

preparing to produce HVAC/R design drawings

producing HVAC/R design drawings.

Knowledge Evidence

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:

HVAC/R system drawing, safe working practices and relevant standards, codes and regulations, including:

architectural and mechanical drafting conventions encompassing:

fire, hydraulic, electrical layout diagrams

sketching of pipe work circuits and mechanical services

drawing standards and symbols

working, detail and assembly drawings

ductwork layouts and conventions

pipe work layouts and conventions

computer-aided drawing techniques

relevant job safety assessments or risk mitigation processes

relevant manufacturer specifications

relevant software tools and equipment

relevant WHS/OHS legislated requirements

relevant workplace documentation

relevant workplace policies and procedures.