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8 I specti
Fig. 6:
Release the louvred grille
Rittal logo
Fig. 7:
Installing the standard filter mat
te
If it becomes necessary to
change the direction of the
airflow (see 5.3 "Changing the
direction of airflow", page 10),
the installation is reversed
accordingly.
8 I specti
a d
ai te a ce
Ris
f e ectric sh c !
The u it is ive
Switch ff the p wer supp y
bef re pe i g a d ta e suit
ab e precauti
bei g accide ta y switched
bac
Rittal fan-and-filter unit assembly and operating instructions
Open (roughened)
side without
s agai st it
a d
ai te a ce
The built-in, maintenance-free fan is mount-
ed on a friction bearing (3237.xxx, 3238.xxx
and 3239.xxx) or ball bearing (3240.xxx,
3241.xxx, 3243.xxx to 3245.xxx), and is
protected against humidity and dust, and
equipped with a temperature monitor.
The life expectancy is at least 40,000 operat-
ing hours (L10, 40°C). The fan-and-filter unit
is thus largely maintenance free.
From time to time, the components may
need to be cleaned using a vacuum
cleaner or compressed air if they
become visibly dirty.
Any stubborn, oily stains may be removed
using a non-flammable detergent, such as
degreaser.
Cauti
!
Ris
f fire!
ever use f a
f r c ea i g
Sequence of maintenance measures:
– Check the level of dirt.
– Filter soiling?
Replace the filter.
– Fan membranes soiled?
Clean.
– Check the noise generation of the fan.
– Compressed air cleaning
9 St rage a d disp sa
Cauti
!
Ris
f da age!
The fa u it
st red at te peratures ab ve
70 C r be w 30 C
Disposal can be performed at the Rittal
plant.
Please contact us for advice.
E
ab e iquids
ust
t be
11
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