Vents VPQ 710, User Manual, Page: 6 / 20

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VDO
www.ventilation-system.com
Casing Motor Impeller Modification
VDO - 630 K-2 D/5,5-8/35/AL-U 1 - X
VDO – axial smoke extraction fan
Standard size (air duct size) [mm]
Casing design:
_ – standard casing
K – shortened casing
Number of motor poles
Motor phases:
E – single-phase
D – three-phase
Motor power [kW]
Number of impeller blades [items]
Blade setting angle [°]
Blade material:
AL – aluminium
Climatic category:
U – moderate climate (-40… +40 °C)
HL – cold climate (-60… +40 °C)
UHL – moderate and cold climate (-60… +40 °C)
T – tropical climate (-10… +50 °C)
M – maritime moderately cold climate (-40… +40 °C)
O – general climatic modification (except maritime climate) (-60… +50 °C)
OM – general maritime climatic modification (-40… +40 °C)
V – universal climatic modification (-60… +50 °C)
Placement category:
1 – outdoors
2 – under a shed or indoors with the same conditions as outdoors except solar radiation and precipitation
3 – in closed rooms without artificial climate control
4 – in closed rooms with artificial climate control (ventilation, heating)
5 – in rooms with high levels of humidity, without artificial climate control
Fire resistance:
200/2 — 200 °C, 2 hours
300/2 — 300 °C, 2 hours
400/2 — 400 °C, 2 hours
DESIGNATION KEY