Vents VKH 2E 225

Roof centrifugal fans with horizontal air discharge
  • Sound pressure level LpA at 3 m: 51 dB(A)
  • Impeller type: Centrifugal impeller with backward curved blades
  • Casing material: Coated steel
Unit of measurement VKH 2E 225
Phases - 1
Maximum supply voltage V 230
Minimum supply voltage V 230
Power supply frequency Hz 50/60
Rated power W 123
Unit current A 0.54
Maximum airflow m³/h 915
Rotation speed at 50hz - 2790
Sound pressure level LpA at 3 m dB(A) 51
Weight kg 9
Transported air temperature (max) °С 50
Transported air temperature (min) °С -25
Ingress protection rating - IPX4
Ingress protection rating of the drive - IP44
Impeller material - Plastic
Size mm 225
Vents VKH 2E 225 65 780 2016
Trademark Vents
Model VKH 2E 225
Specific energy consumption (SEC) (kWh/(m²/a)) Cold Average Warm
-53.6 A+ -26.5 B -11 E
Type of ventilation unit Unidirectional
Type of drive installed Variable speed
Type of heat recovery system None
Maximum flow rate (m³/h) 780
Electric power input (W) 135
Reference flow rate (m³/s) 0.152
Reference pressure difference (Pa) 50
Specific power input (SPI) (W/(m³/h)) 0.136
Control typology Local demand control
Maximum external leakage rates (%) 2.7
Sound power level (dB(A)) 65
Declared typology RVU UVU
The annual electricity consumption (AEC) (kWh/a) Cold Average Warm
72 72 72
The annual heating saved (AHS) (kWh/a) Cold Average Warm
5536 2830 1280
Datasheet
"VENTS VKV, VKH" product description 10-2025
1.93 Mb
Manual
"VENTS VKV, VKH" user's manual 11-2025 (V204EN-02)
6.12 Mb
Image
VKH 2E 225 - image 1
382 Kb
H H1 A B C Ød ØD
210 217 351 350 245 11 210
Name Photo Description
Vents RKV 220-225 RKV 220-225 Mounting frame
Vents RKVI 220-225 RKVI 220-225 Mounting frame with thermal-insulating layer
Vents FKV 220-225 FKV 220-225 Mating flange
Vents GKV 220-225 GKV 220-225 Flexible connector
Vents KKV 220-225 KKV 220-225 Backdraft damper