WS 320 ET, WS 320 BET, WS 320 KET, WS 320 KBET
| Certified since | 2015年4月8日 |
| 气候区 | 冷,温度 |
| Air flow range from… | 116 m3/h |
| Air flow range to… | 246 m3/h |
| 特定电子能源 | 0.23 Wh/m3 |
| 热回收率 | 87% |
| Humidity recovery (winter) | 74% |
| Humidity recovery (summer) | - |
| Efficiency ratio | 0.77 |
| Sound level of unit | 46.8 dB(A) |
| Company headquarters | Germany (DE) |