ISO-9459-4 › Solar heating - Domestic water heating systems - Part 4: System performance characterization by means of component tests and computer simulation
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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.
To find similar documents by classification:
27.160 (Solar energy engineering Including photovoltaic energy systems)
97.100.99 (Heaters using other sources of energy)
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Document Number
ISO 9459-4:2013
Revision Level
1ST EDITION
Status
Current
Publication Date
Feb. 15, 2013
Committee Number
ISO/TC 180/SC 4