4
Rittal EC fan-and-filter unit assembly and operating instructions
Notes on documentation
EN
1
Notes on documentation
These assembly and operating instructions are aimed
at
– tradespersons who are familiar with assembly and
installation of the EC fan-and-filter unit.
– trained specialists who are familiar with operation of
the EC fan-and-filter unit.
1.1 Other applicable documents
The assembly and operating instructions available as
paper documents for the unit types described here are
included with the equipment.
We cannot accept any liability for damage associated
with failure to observe these instructions. Where appli-
cable, the instructions for any accessories used also
apply.
1.2 Retention of documents
These instructions and all associated documents
constitute an integral part of the product. They must be
given to the plant operator. The operator is responsible
for storage of the documents so they are readily availa-
ble when needed.
1.3 Symbols used
Danger!
Immediate danger to life and limb!
Caution!
Potential threat to the product and its
environment.
Note:
Useful information and special features.
◾ The bullet point indicates an action to be performed.
2
Safety instructions
Please observe the following safety instructions when
assembling and operating the unit:
– Assembly, installation and servicing may only be
performed by properly trained specialists.
– Do not obstruct the air inlet and outlet of the EC fan-
and-filter unit inside and outside the enclosure (see
also section 4.2.2 "Layout of the components in the
– The louvres must always have their opening pointing
downwards.
– Use only original spare parts and accessories.
– Do not make any changes to the EC fan-and-filter
unit other than those described in these and other
applicable instructions.
– The EC fan-and-filter unit must only be connected
to the mains with the system de-energised. Connect
the pre-fuse specified on the rating plate.
– Changes to the direction of airflow must only be car-
ried out with the system de-energised.
– Changes to the positioning of the mains connection
must only be carried out with the system de-ener-
gised.
– Never insert your fingers into the rotating fan blade.
– Electrical connection and any repairs may only be
carried out by authorised specialist personnel.
3
Product description
Depending on the model chosen, your EC fan-and-
filter unit may vary in appearance from the illustrations
contained in these instructions. However, the functions
are identical in principle.
1
2
3
4
5
Fig. 1:
Product description
Key
1
Function logo (to release the louvred grille)
2
Louvred grille
3
Filter box with filter mat
4
Fan housing
5
Variable electrical connection
3.1 Functional description
The EC fan-and-filter unit in conjunction with the cor-
responding outlet filter(s) is used to dissipate heat loss
from enclosures, ventilate the enclosure and protect
temperature-sensitive components. This is achieved
via the direct infeed of ambient air, the temperature
of which must be less than the admissible enclosure
interior temperature. The system is fitted into prepared
cut-outs.
3.1.1 Main components
The EC fan-and-filter unit is comprised of the following
four main components: Fan motor, filter box, louvred
grille with function logo and filter medium.
