Commissioning; Check Direction Of Rotation - SystemAir AW 355 D4-2-EX Montage- Und Betriebsanleitung

8.4

Commissioning

WARNING
Risk from electrical voltage!
›
Electrical connection only by trained and instructed qualifi ed personnel!
8.4.1 Check air gap
 AW-EX/AXC-EX/AXCBF-EX: Check the minimum air gap between blade tip and housing once again (see Table 11).
 DVEX: Check the distance between rotor and nozzle, it must be between 4 mm and 8 mm.
 Only put the fan into operation if the minimum air gap matches your fan's value.
8.4.2

Check direction of rotation

WARNING
Risk from bursting parts
›
Wear goggles when checking the direction of rotation of the rotor.
 Briefl y switch the fan on and off.
 Check the direction of rotation / direction of conveying. The direction of rotation looking at the rotor always
applies.
 AW-EX: In fans with intake on both sides, the direction of rotation applies looking at the side opposite the connec-
tion wire.
 RVK-EX see Fig. 10
 If the direction is wrong, exchange two phases in order to set the direction of rotation.
•
Fig. 10: RVK-EX fan, throughfl ow direction
8.4.3 Switching on
 Switch the fan on.
 Check fl awless function (smooth running)
 Check tight fi tting of the safety components and protective grid.
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