VDI 2169:2012-10 (R2017)

This guideline is intended for planners and executing companies, pointing out the options for functional checking and checking of output of solarthermal components in installations and listing the prerequisites to their application. It guides the user of an installation in taking action to control the specified operation of a system. Functional and output checking focuses on solar systems for heating drinking water. These recommendations, however, can be used for other uses by way of analogy.