DIN EN ISO 22975-3 E : 2014

National foreword<br>National Annex NA (informative) - Bibliography<br>Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Requirements and classification<br>5 Test methods for assessing material properties<br>&nbsp;&nbsp;as measure of absorber performance<br>6 Tests for assessing the thermal stability of<br>&nbsp;&nbsp;absorber surfaces<br>7 Tests for determining the resistance to condensed<br>&nbsp;&nbsp;water of absorber surfaces<br>8 Test for determining absorber surface corrosion<br>&nbsp;&nbsp;resistance to high humidity air containing<br>&nbsp;&nbsp;sulfur dioxide<br>9 Test report<br>Annex A (normative) - Procedure for determination<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of solar absorption and thermal emittance of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;absorber surfaces<br>Annex B (normative) - Temperature and failure<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;time characteristics in assessment of thermal<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;stability of absorber surface<br>Annex C (normative) - Temperature/condensation<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and failure time characteristics together with<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;qualification scheme in assessment of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;resistance to condensed water of absorber<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;surface<br>Annex D (informative) - Suitable designs for test<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;apparatus to be used in the qualification <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;testing of solar absorber surfaces<br>Bibliography

Pertains to the determination of the long term behaviour and service life of selective solar absorbers for use in vented flat plate solar collectors working under conditions corresponding to that in a typical solar domestic hot water system or combisystem.