Vents VKVz 4E 250

Centrifugal roof fans with vertical air exhaust
  • Maximum airflow: 820 m3/h
  • Sound pressure level LpA at 3 m: 46 dB(A)
  • Motor type: AC
  • Impeller type: Centrifugal backward curved blades
  • Casing material: Galvanized steel
Unit of measurement VKVz 4E 250
Minimum supply voltage V 230
Maximum supply voltage V 230
Power supply frequency Hz 50
Rated power W 48
Unit current A 0.23
Maximum airflow m3/h 820
Sound pressure level LpA at 3 m dB(A) 46
Weight kg 12.1
Transported air temperature (max) °С 50
Transported air temperature (min) °С -25
Ingress protection rating - IPX4
Ingress protection rating of the drive - IP44
Vents VKVz 4E 250 66 460 2016
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
Datasheet
"VENTS VKV, VKH" product description 08-2024
2.18 Mb
Manual
"VENTS VKV, VKH" user's manual 02-2024 (V204EN-02)
4.49 Mb
Image
VKVz 4E 250 - image 1
484 Kb
Vents VKVz 4E 250 - Dimensions
A B C ∅D
481 425 240 285