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6 C
E
Fig. 5:
Release the bayonet connection
5.3 Changing the direction of airflow
The direction of airflow blows into the enclo-
sure from the outside as standard. Should it
become necessary to change the direction of
airflow for technical reasons (space, specific
component air routing etc.), this is easily
achieved. Simply release the fan housing
and rotate it through 180°. To release, please
follow the same procedure as described un-
der "5.2 Rotating the voltage connection",
page 9.
Please also observe the instructions outlined
under "4.2.1 General", page 7.
6 C
The fan-and-filter unit operates automati-
cally, in other words, the fan will start up
once the power has been switched on.
Depending on the model, the following
voltage variants are supported:
– 24 V DC
– 115 V, 1~
– 230 V, 1~
– 400/460 V, 3-phase
10
issi
i g
issi
i g
Rittal fan-and-filter unit assembly and operating instructions
7 I sta i g a d cha gi g
the fi ter
The fan-and-filter unit and outlet filter are
supplied as standard with a standard filter
mat for the pre-filtering of dry, coarse dust
and lint. In order to increase the protection
category, and in the case of dust with a
grain size of < 10 µm, we recommend the
use of fine filter mats (optionally available).
The filter should be checked at regular in-
tervals in accordance with the level of dust
exposure (recommended: at the latest af-
ter 2,000 operating hours) and replaced as
necessary.
te
Use only original Rittal filters
which bear the Rittal logo in order
to safeguard the designated pro-
tection category, air throughout
and operating approvals.
Ris
f i ury!
y cha ge the fi ter
whi e the fa r t r is
stati
ary
ever i sert y ur fi gers i t
the fa r t r
To insert or replace the filter, proceed as
follows (direction of airflow: drawing from
outside and blowing into the enclosure):
First press the catch of the louvred grill
(Rittal logo) up slightly with one finger
(see fig. 6)
Once it is released, the louvred grille can
be dropped open by approx. 70° or 90°
If necessary, first place the fine filter mat
into the housing
Ensure that the open (roughened) side
faces towards the louvred grille
Then insert the enclosed standard filter
mat
Here again, ensure that the open side
(without Rittal logo) faces towards the
louvred grille (see fig. 7)
Now push the louvred grille back onto
the enclosure until it snaps audibly into
position.
at
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