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ISO 9459-4:2013

Current
Current

The latest, up-to-date edition.

Solar heating — Domestic water heating systems — Part 4: System performance characterization by means of component tests and computer simulation
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

02-04-2013

ISO 9459-4:2013 specifies a method of evaluating the annual energy performance of solar water heaters using a combination of test results for component performance and a mathematical model to determine an annual load cycle task performance under specified weather and load conditions. The procedure is applicable to solar water heaters with integral backup or preheating into a conventional storage or instantaneous water heater and to integral collector storage water heaters.

System operating requirements specified in ISO 9459-4:2013 are for the purpose of determining an annual performance rating for domestic water heaters. There are no product design or operation requirements in ISO 9459-4:2013.

Committee
ISO/TC 180/SC 4
DevelopmentNote
Supersedes ISO/DIS 9459-4. (02/2013)
DocumentType
Standard
Pages
70
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
NEN ISO 9459-4 : 2013 Identical
BS ISO 9459-4:2013 Identical

ISO 9488:1999 Solar energy Vocabulary
ASHRAE 90.2 : 2007 ENERGY-EFFICIENT DESIGN OF LOW-RISE RESIDENTIAL BUILDINGS
ASHRAE 23.1 : 2010 METHODS OF TESTING FOR RATING THE PERFORMANCE OF POSITIVE DISPLACEMENT REFRIGERANT COMPRESSORS AND CONDENSING UNITS THAT OPERATE AT SUBCRITICAL TEMPERATURES OF THE REFRIGERANT
AS/NZS 4692.1:2005 Electric water heaters Energy consumption, performance and general requirements (Reconfirmed 2016)
AS/NZS 4234:2008 Heated water systems - Calculation of energy consumption
AS/NZS 2712:2007 Solar and heat pump water heaters - Design and construction (Reconfirmed 2020)
AS/NZS 2535.1:2007 Test methods for solar collectors Thermal performance of glazed liquid heating collectors including pressure drop (ISO 9806-1:1994, MOD) (Reconfirmed 2020)
AS 1056.1-1991 Storage water heaters General requirements
AS 4552-2005 Gas fired water heaters for hot water supply and/or central heating

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