NA 044
DIN Standards Committee Refrigeration Technology
DIN EN 1861 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| VDI 4640 Blatt 1 | 2010-06 | Thermal use of the underground - Fundamentals, approvals, environmental aspects More |
| VDI 4640 Blatt 3 | 2001-06 | Utilization of the subsurface for thermal purposes - Underground thermal energy storage More |
| VDMA 24020-2 | 2008-11 | Operational requirements for refrigerating systems - Part 2: Refrigerating systems with non flammable refrigerants (Safety group A1 according to EN 378) More |