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VENTS VC 250 Q


Inline centrifugal fan. Maximum capacity - 1190 m3/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional diagrams
  • Legend
Description
Description
APPLICATIONS
  • Supply and exhaust ventilation systems for various premises suitable for external surface mounting. 
  • For premises with high requirements to noise level, we offer units in low-noise modification (VC…Q).
DESIGN
  • Fan casing is made of steel with polymeric coating. 
  • Various fan modifications for surface or flush mounting are available.
MOTOR
  • The plastic impeller with backward curved blades is powered by means of the single-phase motor with external rotor and overheating protection with automatic restart.
  • For some dimension types high-powered motors are available (VC…S). 
  • Motor is equipped with ball bearings for longer service life designed for at least 40 000 hours.
  • For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly.
  • Motor protection rating IP 44.
SPEED CONTROL
  • Smooth or step speed control with a thyristor or autotransformer speed controller.
  • Several fans may be connected to one speed controller provided that the total power and operating current do not exceed the rated speed controller parameters.
MOUNTING
  • Fan is designed for surface wall mounting (VC…PN and VC…VN models) or through-the-wall mounting (VC…PK and VC...VK) depending on design modification.
  • The fan is mounted to the wall with the mounting plate.
  • The fan is powered through the external terminal box.
  • Electric connection and installation shall be performed in compliance with the manual and wiring diagram on the terminal box.
Characteristics
Characteristics
Parameter VC 250 Q
Measurement unit
Low-powered motor yes -
Duct diameter 250 mm
Highpowered motor Highpowered motor no -
SEC class* * The EC norm 1254/2014 does not apply if maximum air capacity is >1000 m³/h - -
Design centrifugal -
Phase 1 ˜
Voltage 230 V
Frequency 50 Hz
Sound pressure level at 3 m distance 52 dBА
Power consumption 158 W
Maximum air capacity 1190 m³/h
Current 0.69 A
RPM 2315 min-1
Max. transported air temperature -25 +50 °С
Protection rating IP X4 -
Weight 7.1 kg
Casing material polymer coated steel -
Outdoor mounting yes -
Duct for round air ducts -
Type exhaust, supply -
Mounting outdoor mounting, wall mounting, Inline -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Brochure "VENTS VC" (pdf 279.01Kb)
Download high quality image "VENTS VC (ErP 2016, 2018)" (psd 4.83Mb)
Declaration of сonformity "VC" (pdf 1.62Mb)
Download image "VENTS VC (ErP 2016, 2018)" for your website (png 657.71Kb)
Dimensions
Characteristics
VENTS VC 250 Q
Parameter Value Measurement unit
∅D 248 mm
∅d 6.1 mm
ØD1 339 mm
H 400 mm
H1 385 mm
L 138 mm
Additional diagrams
Additional diagrams
Sound-power level   Octave-frequency band [Hz]
  Hz   General   63   125   250   500   1000   2000   4000   8000
LwA to inlet   dBA 69 45 58 61 64 63 59 60 55
LwA to outlet dBA 74 47 64 62 63 66 60 67 59
LwA to environment dBA 61 43 57 55 45 37 37 51 44

 

Legend
Legend
Fan series Flange diameter, mm Modification Mounting options Options
VENTS VC
S – high-powered motor
100; 125; 150; 160; 200; 250; 315 V - exhaust;
P -
supply
N - surface wall mounting;
К -
through-the-wall duct mounting 
Q - low-powered motor

 

ErP data  
Overall efficiency η,[%]
Measurement category MC
Efficiency category EC
Efficiency grade N
Variable speed drive VSD
Power [kW]
Current [A]
Air flow [m3/h]
Static pressure [Pa]
Speed [n/min-1]
Specific ratio SR
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