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

6.4

DVEX roof fans

6.4.1 Preconditions
• Only install the fan if the minimum air gap between the rotor and the nozzle is 4 ... 8 mm.
•
Installation position optional if not stated to the contrary.
• Protective accessories must have been examined with a view to strength and material.
6.4.2 Assembly
WARNING
Danger from falling parts!
›
Check the underground (ceiling/wall) for strength before assembly,
›
when selecting the fi tting material, pay attention to the weight, vibration tendency and shearing
forces (weight, see name plate).
 Fit the fan on a fi rm base with suitable fi tting material
 Prepare the fan with hinged frame for connection and secure (see Fig. 9 A, B, C)
–
Close the fan carefully, do not drop it.
–
Secure it with an M 6x10 screw (2 screws from size 450 upwards).
–
Secure the two fl aps by means of an M 8x16 screw. They also act as protection against shutting.
 Fit the air connection lines and the accessories.
NOTE
The channel installation must be such that protection class IP 20 (contact distance rotating part < 12
mm) is fulfi lled on the admission side and protection class IP 10 (contact distance rotating part < 50
mm) can be guaranteed on the blow-out side.
6.4.2.1 Securing the hinged frame
 If a hinged frame is used, secure the DVEX fan as shown in Fig. 9.
M8x16
•
A
Fig. 9: Secure DVEX fan
58
M8x16
B
M6x10
C