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4 Asse b y a d c
4 Asse b y a d c
4.1 Choosing the installation site
When choosing the installation site for the
enclosure, please observe the following:
– The site for the enclosure, and hence
the arrangement of the fan-and-filter
unit, must be carefully selected so as to
ensure good ventilation
– The site must be free from excessive dirt
and moisture
– Fan-and-filter units must always be in-
stalled on vertical panels (door or walls)
– The ambient temperature must be lower
than the permissible enclosure interior
temperature
– The mains connection data as stated
on the rating plate of the unit must be
guaranteed
4.2 Assembly instructions
4 2 1 Ge era
– Check the packaging carefully for signs
of damage. Any packaging damage may
be the cause of a subsequent functional
failure
– The fan-and-filter and outlet filter must
always be mounted on an enclosure in
order to ensure air exchange
te
The outlet filter should be at
least the same size as the
fan-and-filter unit.
– The enclosure must be sealed on all
sides (IP 54). If the enclosure has a leak,
unfiltered, contaminated air may enter
the enclosure, depending on the direc-
tion of airflow of the fan
– If two or more fan-and-filter units are ar-
ranged one above the other, a minimum
spacing of 15 mm should be observed
(between drilling templates). Only then is it
guaranteed that the louvred grille can be
opened without restriction.
Rittal fan-and-filter unit assembly and operating instructions
ecti
4 2 2
ay ut f the c
e c sure
Observe the air flows from the internal fans
of installed electronic components. For in-
stallation, it is important to ensure that the
airflows of fans and built-in electronic com-
ponents do not have a negative influence
on one another (air short-circuit). The corre-
sponding minimum distances between the
fan and component must be observed in
order to ensure unhindered air circulation.
4.3 Fitting the fan-and-filter unit or
outlet filter
The fan-and-filter unit or outlet filter is
mounted on a vertical panel of the
enclosure:
For this purpose, the appropriate door,
side or rear panel must be cut out using
the supplied drilling template.
The fan-and-filter unit is generally fitted in
the lower part of the enclosure, and the
outlet filter in the upper part.
4 3 1 Cutti g ut the e c sure
Stick the self-adhesive drilling template
supplied to the envisaged position on
the door, side or rear panel of the
enclosure.
Lines indicating the dimensions of cut-outs
and drilling specifications for mounting
and fixing of the fan (only necessary for
sheet metal thickness 2.5 mm and above)
are to be found on the drilling template.
See also fig. 8 and fig. 9 on page 16.
Make the cut-outs including the line
width as per the drilling template.
Deburr the cut-outs.
ecti
p
e ts i the
Ris
f i ury!
Carefu y deburr a cut uts
t preve t i uries caused by
sharp edges
E
7
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