NZQA Expiring unit standard
881 version 6
Page 1 of 4
Title
Test, service, and repair an automotive air conditioning system
Level
4
Credits
4
Purpose
This unit standard is for people in the automotive repair
industry. People credited with this unit standard are able to:
test an automotive air conditioning system for operation;
service an air conditioning system; and repair an automotive air
conditioning system.
Classification
Motor Industry > Automotive Air Conditioning
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Unit 15373, Demonstrate knowledge of automotive air
conditioning, or demonstrate equivalent knowledge and skills.
Explanatory notes
1
The following legislation, standards, and their amendments are to be consulted and
followed where applicable:
Health and Safety in Employment Act, 1992;
Ozone Layer Protection Act, 1996;
MTA (Motor Trade Association) Automotive Air Conditioning Code of Practice.
2
This unit standard and unit standard 15373 may lead to certification as an
Automotive Air Conditioning Technician by the NZ Motor Industry Training
Organisation. People should consult the MTA Industry Code of Practice for details
regarding this certification.
3
Reference to suitable tools and equipment means industry approved tools and
equipment that are recognised within the industry as being the most suited to
complete the task to a professional and competent manner with due regard to safe
working practices.
4
Because of the particular nature of this unit standard, it is essential that the practical
assessment evidence is obtained from commercial jobs in the workplace under
normal workplace conditions.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
881 version 6
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Test an automotive air conditioning system for operation.
Evidence requirements
1.1
Safety precautions are taken to prevent situations that could be dangerous to
people and the environment.
Range
cleanliness, ventilation, eye protection, gloves, protective clothing,
working with a pressurised system, running the engine, awareness
of moving parts, heating components and smoking, using air
conditioning equipment, recovery and storage of refrigerant.
1.2
Suitable tools and equipment are selected and used to enable tests to be
performed.
1.3
Test gauges are connected according to system manufacturer's instructions.
1.4
Level of refrigerant charge is determined after operating the system at
maximum cooling for ten minutes.
1.5
Any blockages and other malfunctions are identified and located with the aid of
diagnostic charts, tables, and gauges.
1.6
The efficiency of the system is determined by measuring and comparing
evaporator air inlet and outlet temperatures and humidity levels.
Outcome 2
Service an air conditioning system.
Evidence requirements
2.1
Safety precautions are taken to prevent situations that could be dangerous to
people and the environment.
Range
cleanliness, ventilation, eye protection, gloves, protective clothing,
working with a pressurised system, running the engine, awareness
of moving parts, heating components and smoking, using air
conditioning equipment, recovery and storage of refrigerant.
2.2
Suitable tools and test equipment are selected and used to enable the service
work to be carried out.
2.3
Refrigerant is recovered from the system, and is stored in a manner that
complies with the Code of Practice and recovery station equipment instructions.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
881 version 6
Page 3 of 4
2.4
The system is evacuated and then charged, to the specified level, with a
refrigerant and compressor oil that comply with the Code of Practice and
manufacturer's specifications.
2.5
The need to replace the filter-drier is determined according to the equipment
manufacturer's specifications.
2.6
The filter-drier is replaced in compliance with the manufacturer's instructions
and with the Code of Practice.
2.7
The vehicle operator is advised to operate the air conditioning system for a
minimum of 10 minutes a week, regardless of season.
Outcome 3
Repair an automotive air conditioning system.
Evidence requirements
3.1
Safety precautions are taken to prevent situations that could be dangerous to
people and the environment.
Range
cleanliness, ventilation, eye protection, gloves, protective clothing,
working with a pressurised system, running the engine, awareness
of moving parts, heating components and smoking, using air
conditioning equipment, recovery and storage of refrigerant.
3.2
Suitable tools and equipment are selected and used to enable system repairs to
be carried out.
3.3
Joints and connections are repaired to eliminate any leaks, in a manner that
complies with the Code of Practice and vehicle manufacturer's specifications.
3.4
Faulty refrigeration components are rectified to restore full serviceability of the
system, in a manner that complies with the Code of Practice and vehicle
manufacturer's specifications.
3.5
Faulty electrical wiring and components are repaired and/or replaced to restore
full serviceability of the system, in a manner that complies with the Code of
Practice and vehicle manufacturer's specifications.
Replacement information
This unit standard has been replaced by unit standard
24443 and unit standard 24444.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
881 version 6
Page 4 of 4
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
29 October 1993
31 December 2016
Review
2
4 October 1996
31 December 2016
Review
3
26 February 1999
31 December 2016
Review
4
25 January 2008
31 December 2020
Rollover
5
19 November 2010
31 December 2020
Rollover
6
22 August 2014
31 December 2020
Consent and Moderation Requirements (CMR) reference
0014
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.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016