VVR250 wall ventilator

Technical data


The motor controller for the EC motor is provided in a box which can either hang on the wall outside or be retracted within the duct.

Due to EMC requirements the cable between the EC control and the EC motor must not be elongated.
MODEL    VVR250-4-1EC
Fan data
Max. overall efficiency 53,5 %
ECO measurement set-up (A-D)  C
Efficiency requirements  62, N(2015)
ECO efficiency at optimal operating point 77,3


EC motor with integral VSD
Optimal operating point:
Absorbed power
Total pressure

176 W
1314 m3/h
257 Pa
1635 rpm

Nominal rpm (N) 1635 rpm 
Electric supply (U)   1 x 230 V ~ 50 Hz
Overload protection     Integrated in motor control

Max absorbed current* (I)

1.2 A
Max. absorbed power (P1)**  0.18 kW
Motor output (P2)** 0.18 kW
Supply (power cable)  -
Length  -
Other data
Weight 22 kg



  • * I is the maximum absorbed current throughout the control range - or the full load current if this is larger
  • ** P1 is the maximum absorbed power from the mains supply, where P2 is the motor's nominal output.
  • Stated data are for t = 20°C
  • Density = 1.2 kg/m3
  • Gas temperature: min. -12°C, max. +60° C
  • Ambient temperature: Max. +40°C
  • Pressure ratio: < 1,11
  • other points in acc. with EC327/2011 - see product instructions
Capacity curves



VVR250-4-1EC kapacitetskurve

Dimensional drawing



VVR250 målskitse

Sound data



VVR250 lydkurve


  K[dB(A)]   Kw[dB]
  KwA KpA 125 250  500 1 k 2 k  4 k  8 k 
      I II I II  Hz Hz  Hz Hz Hz 
Lw1  0   9  12 5 3 -4 -10 -18 -25 -31
Lw3 2 -6 -1 -1 -3 -4 -2 -4 -13 -18
LpA3   -25                  

Add all about the product series VVR250 wall ventilator


Get free advice on ventilation products and system solutions

Export Requests:
Odensevej 76
DK 5550 Langeskov

Tel +45 6566 1236
E-mail: export@exhausto.dk

Calculation programs

Use EXHAUSTO's free calculation programs for calculating ventilation plant and system solutions

Go to Calculation Programs
Vex overview

VEX Summary

Get a quick overview of our entire range of compact VEX air handling units with heat recovery.

View the VEX summary here