DIN Standards Committee Water Practice
DIN EN 17522
Design and construction of backfilled and grouted borehole heat exchangers; German version EN 17522:2023
Planung und Bau von Erdwärmesonden in verfüllten Bohrlöchern; Deutsche Fassung EN 17522:2023
Overview
This document covers standardization in the field of geological and environmental aspects, design, construction, operation, monitoring, maintenance and decommissioning of grouted borehole heat exchangers for uses in geothermal energy systems. This document is only applicable for backfilled and grouted boreholes, it is not applicable for groundwater-filled boreholes. Direct expansion and thermal syphon techniques are excluded from this document. This document has been prepared by Technical Committee CEN/TC 451 "Water wells and borehole heat exchangers", the secretariat of which is held by AFNOR. The responsible German standardization committee is DIN-DVGW Joint Working Subcommittee NA 119-07-03-02 UA "Erdwärmesonden" ("Borehole heat exchangers") at DIN Standards Committee Water Practice (NAW).
Responsible national committee
NA 119-07-03-02 UA - Borehole heat exchangers
