Heat loss test procedure for solar water heaters with a hot water storage tank greater than 630L
Office of the Renewable Energy Regulator, February 2004
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About the document
This document sets out the test conditions, equipment and configuration to be used for heat loss tests of hot water tanks that exceed the upper volume limit of 630L set in AS1056.1.
The procedure specified in this document closely follows the procedure defined in AS1056.1- 2003 for tanks of less than 630L volume except the procedure has been modified to accommodate differing requirements for mounting of large tanks and relaxation of the requirements to control ambient temperature. The test procedure in this document was developed to allow large tanks to be tested without the requirement to mount the tank in a special test chamber. As very large tanks cannot be easily transported and mounted in a test chamber the modified test requirements allow testing in a simplified enclosure that could be readily constructed at the place of manufacture or at most installation sites.
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