NZQA Expiring unit standard
22706 version 2
Page 1 of 4
Title
Assemble commercial refrigeration and/or air conditioning system
components under supervision
Level
2
Purpose
Credits
10
This unit standard is for people who work, or intend to work in
the refrigeration and air conditioning sector of the engineering
industry.
People credited with this unit standard are able to, for
commercial refrigeration and/or air conditioning systems:
produce sketches and schematics of components for use in
system assembly; interpret sketches and instructions for
components; work engineering materials in the fabrication of
components; and fit parts together to form components.
Classification
Mechanical Engineering > Refrigeration and Air Conditioning
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Open.
This unit standard is
References
Building Act 2004;
expiring
Electricity Act 1992;
Explanatory notes
1
Electricity Amendment Act 1997;
Hazardous Substances and New Organisms Act 1996;
Health and Safety in Employment Act 1992;
Ozone Layer Protection Act 1996;
Electricity Regulations 1997;
AS/NZS 1677:1998, Refrigerating systems – Refrigerant classification;
AS/NZS 3000:2000, Electrical installations;
Code of Practice for the reduction of emissions of fluorocarbon refrigerants in
refrigeration and air conditioning applications. Institute of Refrigeration, Heating and
Air Conditioning Engineers of New Zealand (IRHACE New Zealand), 2001. Available
from IRHACE, 28 E Lambie Drive, Manukau City, http://www.irhace.org.nz/.
2
All worksite practices must meet recognised codes of practice and documented
safety procedures and safety plans (where these exceed the code) for personal and
worksite safety, and obligations required under current legislation.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
22706 version 2
Page 2 of 4
3
Definitions
Commercial refrigeration and/or air conditioning systems refers to items such as:
refrigeration equipment as found in retail food outlets, truck and shipping-container
refrigeration, horticultural cool room refrigeration, controlled atmosphere fruit stores;
and packaged or split air conditioning equipment as found in commercial buildings
and computer rooms.
Worksite procedures refer to documents that include: worksite rules, codes, and
practices; equipment operating instructions; production specifications; documented
quality management systems; and health and safety requirements.
4
Range
Competence is to be demonstrated on the assembly and fabrication of four different
commercial refrigeration and/or air conditioning system components.
Outcomes and evidence requirements
Outcome 1
Produce sketches and schematics of components for use in a commercial refrigeration
and/or air conditioning system assembly.
Evidence requirements
1.1
Sketches are representative of a working commercial refrigeration and/or air
conditioning system.
1.2
Schematics are produced to show major system components and
interconnecting tube-work.
Range
1.3
components include but are not limited to – compressor,
condenser, evaporator, metering device.
This unit standard is
expiring
Range
components may include but are not limited to – elbows, access
Schematics are produced to show minor system components and
interconnecting tube-work.
fittings, filter driers, sight glasses, solenoid valves, anti-vibration
devices, line heat-exchangers, receivers, pressure regulating
valves, check valves.
Outcome 2
Interpret sketches and instructions for commercial refrigeration and/or air conditioning
system components.
Evidence requirements
2.1
Parts and materials needed to assemble and/or manufacture components are
selected and verified in accordance with sketches, instructions, and worksite
procedures.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
22706 version 2
Page 3 of 4
Outcome 3
Work engineering materials in the fabrication of components for a commercial refrigeration
and/or air conditioning system.
Evidence requirements
3.1
Engineering materials are cut, drilled, shaped, bent, and/or folded as required
by sketches and instructions.
3.2
Engineering materials are assembled as required by sketches and instructions.
Range
3.3
assembly methods may include but are not limited to – welding
processes, adhesives, rivets, other fasteners.
Integral and/or finishing materials are applied as required by sketches and
instructions.
Range
integral materials may include but are not limited to – insulations,
condensate drains and pans;
finishing materials may include but are not limited to – fixings,
anchors.
Outcome 4
Fit parts together to form components of a commercial refrigeration and/or air conditioning
system.
Evidence requirements
4.1
Electrical and mechanical parts are assembled, mounted, fastened, and
connected as required by sketches and instructions.
4.2
Integral and/or finishing materials are applied as required by sketches and
instructions.
This unit standard is
expiring
Range
integral materials may include but are not limited to – insulations,
condensate drains and pans;
finishing materials may include but are not limited to – fixings,
anchors.
Replacement information
This unit standard has been replaced by unit standard
28967.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
22706 version 2
Page 4 of 4
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
20 June 2006
31 December 2019
Review
2
18 June 2015
31 December 2019
Consent and Moderation Requirements (CMR) reference
0013
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
This unit standard is
expiring
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016