Dvex Roof Fans Series - SystemAir AW 355 D4-2-EX Montage- Und Betriebsanleitung

5.7

DVEX roof fans series

5.7.1 Types
DVEX 315D4
DVEX 355D4
DVEX 400D4
DVEX 450D4
5.7.2 Description
•
Integrated thermo-contacts (PTC)
• Ignition protection class "Ex e" (increased safety)
• Motor protection by posistor in combination with a suitable motor protection device with EC test type certifi cation
•
Voltage-variable external rotor with fi nished wire
• Installation of sound absorbers possible.
The radial rotor of the vertical blow-out DVEX roof fans has backward-bent rotor blades. Its housing comprises saltwa-
ter-proof aluminium. The base frame and an integrated bird-protection grid are on powder-coated, galvanised sheet
steel, the admission nozzle of copper.
The fans can be used for temperature classes T1, T2 and T3. They convey explosion-capable gases in Zone 1 and Zone 2
as well as groups IIA and IIB.
Fig. 7: Fans of the DVEX series with accessories
Legend
1 FTG Hinged frame
2 TDA Adapter frame
3 VKS-EX Self-acting covering cap
Ex-fans - 06.2014
DVEX 500D6
DVEX 560D6
DVEX 630D6
1
2
3
4
5
6
4
5
6
ASS-EX Flexible connection
ASF Intake connection
FDS Flat roof base
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