Rittal 3237.700 - Replacing the Chopped-Fibre Filter

Rittal Blue e+ fan-and-filter unit assembly and operating instructions 11
EN
Installing and changing the filter
Fig.14: Installing the IP54 pleated filter
◾ To seal properly, ensure that the side tabs of the
pleated filter are placed over the ribs of the louvred
grille.
Fig.15: Positioning of the side tabs
◾ For IP55 only: place the IP55 absorber mat supplied
with the pleated filters on the previously placed pleat-
ed filter (see fig.16). The installation direction of the
absorber is not critical.
Fig.16: Installing the IP55 pleated filter
◾ Now push the louvred grille back onto the enclosure
until it snaps audibly into position.
7.2 Replacing the chopped-fibre filter
◾ To unlock the louvred grille, press the function logo
from above (see fig.17).
2.
1.
Fig.17: Unlocking the louvred grille
◾ Fold the louvred grille down to an angle of approx.
90°.
◾ Remove the soiled pleated filter or the soiled
chopped-fibre filter mat.
◾ Place a new chopped-fibre filter mat in the filter
housing.
4.
3.
Fig.18: Removing or inserting a chopped-fibre filter mat
◾ When installing, ensure that the roughened side with
the Rittal logo points inside.
Note:
If it becomes necessary to change the direc-
tion of the airflow (see section5.3 "Chang-
ing the direction of airflow", page9), the
installation is reversed accordingly.