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6. Installation and Assembly
This equipment may only be installed by a qualified technician who is familiar with the installation, monitoring and maintenance
of this type of equipment, and uses suitable tools.
Mechanical
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To ensure safe operation, the equipment must be firmly fixed.
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The installation must prevent contact with the fan's impeller, through the use of grilles, accessories, or by installing a
connecting tube of a suitable length.
•
Do not connect the elbows close to the equipment's connecting flanges or clamps.
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When connecting the ducts, ensure that the airflow direction is correct in accordance with the arrows indicating flow
direction through the equipment.
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Once the mechanical assembly is complete, it is important to check that the impeller turns freely, with no friction or
tension.
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If there is a possibility of water condensing in the equipment, external preventive measures must be taken.
Electrical
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Check if the equipment is connected to the power source in accordance with the instructions on the connection
diagram on the cover of the connection box.
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Select a power cable with a suitable cross-section for the current used by the equipment.
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IMPORTANT: When the equipment is controlled by reducing the voltage, the motor's current may be higher than the
rated value.
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Check if the electrical characteristics stated on the plate correspond to the power supply.
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An external protective component must be connected (a relay, magneto-thermal protection system or fuse), in
accordance with current regulations.
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The equipment's earth connection must be connected.
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If the motor speed control is used, it must be guaranteed that the motor will operate correctly.
Start-up
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After starting up the motor, it is important to check that the motor is turning correctly, without vibrations, or unusual
noises.
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A check must be made to ensure that the motor's actual power consumption does not exceed the level stated on the
equipment's label and that it does not heat up excessively.
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The machine must not be switched on and off intermittently, as this could damage the winding of the motor or the
insulation, due to overheating.
7. Maintenance
Maintenance must be performed by qualified technicians.
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The bearings are greased and sealed for life. Nevertheless, changing them about every 25.000 hours effective running
time is recommended and 20.000 hours for ATEX models.
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If the fan is not equipped with an air filter, the only maintenance required is to clean the impeller; this must be done at
least once every six months.
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Care must be taken when cleaning the impeller, in order not to affect its balance.
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This is not advisable to use chemical cleaners or aggressive substances, as they could damage the equipment.
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If a part must be replaced, consult the distributor.
8. Disposal
Careless or negligent disposal of the equipment may cause contamination. The disposal process must be carried out in
compliance with the standards and regulations applicable in the country.
9. Warranty
Incorrect use of the equipment and failure to observe the instructions in this manual may result in the cancellation of the
warranty.
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