Vertical Centrifugal 1Ph. Roof Unit - VDW 250/4

Vertical Centrifugal 1Ph. Roof Unit - VDW 250/4

Powerful compact vertical jet centrifugal roof fans high performance up to 0.778 m/s at high pressures These 250 mm inlet diameter fans are available in VDW 250/6 at 920 rpm and VDW 250/4 at 1320 rpm - single phase. Supplied with a a square base for curb or purlin box mounting with threaded bolt holes for connecting ducting. Ideal fans for flat roofs and sloping roofs mounted on a horizontal purlin box up-stand.
Information
Specification:
 
VDW 225/6 model: VDW 225/4 model:
Max Air Volume : 326 l/s
Noise : 46 dB(A)
Watts : 70 W
R.P.M : 1175
Max Air Volume : 500 l/s
Noise : 56 dB(A)
Watts : 150 W
R.P.M : 1320

Helios Vertical Centrifugal Roof Unit Overview:
Compact vertical discharge centrifugal roof units offering high volumes with high pressures through the roof. Designed for outdoor use rated IP 55 (weatherproof) with a glass reinforced polyester cowl and base . With an isolator switch fitted on the cowl


Application:
225 mm inlet diameter vertical jet centrifugal roof fans are suitable for most small to medium systems, either ducted or open inlet, removing/changing the air and removing airborne pollutants and discharging them high above the outlet. Suitable for all areas including offices, hospitals, retail outlet, workshops, warehouses etc.

Main Features:
- Robust metal and fibreglass roof units.
- Vertical jet outlet to clear pollutants away.
- With threaded bolt holes to connect ducting
- Quiet and powerful centrifugal fans for high pressures.
- High performance up to 0.50 m3/s and 0.326 m3/s..
- 1 Year no quibble warranty
- Quality assured by the manufacturer ISO9001

Helios VDW 225 Dimensions:

VDD Dimensions

Resources:
Installation Instructions - click here
Wiring Diagram - click here
Catalogue Pages - click here

Helios Code:
VDW 225/6, VDW 225/4
Specifications
  • Product Code:
    VDW 250/4
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