NZQA registered unit standard
25641 version 3
Page 1 of 3
Title
Demonstrate knowledge of electrical heating systems
Level
5
Credits
Purpose
4
This unit standard is intended for use in the training and
assessment of electricians beyond trade level, and covers
principles of electrical heating systems with emphasis on
industrial applications.
People credited with this unit standard are able to demonstrate
knowledge of electrical heating systems.
Classification
Electrical Engineering > Electrical Installation and Maintenance
Available grade
Achieved
Entry information
Recommended skills
and knowledge
National Certificate in Electrical Engineering (Electrician for
Registration) (Level 4) [Ref: 1195] or equivalent trade
qualification for electricians.
Explanatory notes
This unit standard has been developed for learning and assessment off-job.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of electrical heating systems.
Evidence requirements
1.1
Operating principles and applications of electrical heating systems are
described.
Range
The Skills Organisation
SSB Code 100401
radiant, convection, fan heaters, heated-air central heating,
electric hot-water radiator, heat pump.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.2
Electrical heating systems are compared in terms of their operating
characteristics and relative advantages and disadvantages.
operating characteristics – electricity supply requirements, power
demand, temperature range, temperature control method and
response characteristic, restrictions on where they can be
installed.
Range
1.3
Electrical space heating system selection is described in terms of the factors
that influence the selection.
factors – heat losses, humidity, personal comfort levels, thermal
insulation, thermal resistance, thermal transmittance, building heat
loss and gain calculations, operating cost, safety mechanisms.
Range
1.4
25641 version 3
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Electrical heating systems are compared with systems that use alternative fuel
in terms of capital cost, running cost, suitability for purpose, safety and
reliability.
may include but is not limited to – oil, gas, solar, solid fuel.
Evidence of three is required.
Range
Replacement information
This unit standard replaced unit standard 19007.
Planned review date
31 December 2014
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
19 June 2009
N/A
Rollover and
Revision
2
15 March 2012
N/A
Revision
3
15 January 2014
N/A
Consent and Moderation Requirements (CMR) reference
0003
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.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
25641 version 3
Page 3 of 3
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.
Comments on this unit standard
Please contact The Skills Organisation reviewcomments@skills.org.nz if you wish to
suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016