VVR315 wall fan

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    VVR315-4-1EC
Fan data
Max. overall efficiency 55,1 %
ECO measurement set-up (A-D)  C
Efficiency requirements  62, N(2015)
ECO efficiency at optimal operating point 76,2


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

299 W
2129 m3/h
279 Pa
1446 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) 2,6 A
Max. absorbed power (P1)**  0.43 kW
Motor output (P2)** 0,37 kW 
Supply (power cable)  -
Length  -
Other data
Weight 29 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



VVR315-4-1EC kapacitetskurve

Dimensional drawing



VVR315 målskitse

Sound data



VVR315 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   6  10 6 4 -5 -5 -15 -25 -30
Lw3 6 -3 2 3 0 -2 4 -2 -9 -14
LpA3   -22                  

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