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Non-permitted operation
The fan unit should not be used:
● close to flammable materials, liquids or
gases.
● in potentially explosive atmospheres
Safe and correct practices during
operation
● Danger of injury. Do not insert any objects
in the air channel or the unit.
● In the case of installation with free inlet
Danger from rotating impeller. Do not get
too close to the unit, to avoid hair, clothing
or jewellery being drawn into the unit.
● The unit may not be used by children,
handicapped persons (with severely
reduced physical, sensory or mental
capabilities) or by persons with insufficient
experience or knowledge.
The persons mentioned above must be
informed of the dangers that can result
from this unit. Only operate the unit under
the supervision of someone who is
responsible for safety. Inform persons at
risk about the correct usage. Do not play
with the unit.
7. Installation preparations
Wall, ceiling or bracket
Notes
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● Any installation position. IP 44 degree of
protection only when installed in ducts with
at least 1 m of duct on the suction and
pressure sides.
● Only install on walls, ceilings or brackets
with sufficient load-bearing capacity.
Danger of injury from failure
to mount ventilation box
securely!
WARNING
Make sure you use mounting
material which is sized for the
purpose.
Decide on the installation location. Make
sure there is sufficient distance to the
wall/ceiling so that the housing cover and
the fan unit can also be removed.
Lay a permanent power cable to the
installation location.
For system operation, route a permanent
power cable to the ECR supply air box.
Preparing the ventilation ducts
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Notes
● Folded spiral-seams ducts with a Ø 125,
Ø 160, Ø 200 or Ø 250 diameter are
permitted, depending on the fan type.
● Only use folded spiral-seams ducts that
match the nominal diameter.
● Connect the ventilation ducts to the
ventilation box using flexible cuffs, e.g.
Maico EL.., in order to prevent the
transmission of vibrations to the duct
system.
● Install an air filter in the ventilation duct,
e.g. MAICO TFE.. if operating the unit in a
dusty environment.
8. Assembly
Installation
As far as possible, install the
i
ventilation box such that there is no
transfer of vibrations to the duct
system, e.g. by using MAICO EL..
flexible cuffs and vibration dampers.
Make sure there is a level surface at the
installation location.
Mark the position of the 4 mounting holes
and make the holes.
For suspended duct systems, fit a
mounting support with sufficient load-
bearing capacity.
Screw the ventilation box permanently to
the wall, ceiling, bracket or mounting
support using suitable mounting material to
be supplied by the customer.
Note air direction arrow on the rating
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plate.
GB
9
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