Trademark |
Vents |
Model |
VKVz 4E 250 |
Specific energy consumption (SEC) (kWh/(m2/a)) |
Cold |
Average |
Warm |
-53.4 |
A+ |
-26.4 |
B |
-10.9 |
E |
Type of ventilation unit |
Unidirectional |
Type of drive installed |
Variable speed |
Type of heat recovery system |
None |
Maximum flow rate (m3/h) |
460 |
Electric power input (W) |
47 |
Reference flow rate (m3/s) |
0.089 |
Reference pressure difference (Pa) |
50 |
Specific power input (SPI) (W/(m3/h)) |
0.146 |
Control typology |
Local demand control |
Maximum external leakage rates (%) |
2.7 |
Declared typology |
RVU UVU |
Sound power level (dB(A)) |
66 |
The annual electricity consumption (AEC) (kWh/a) |
Cold |
Average |
Warm |
77 |
77 |
77 |
The annual heating saved (AHS) (kWh/a) |
Cold |
Average |
Warm |
5536 |
2830 |
1280 |