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- if the rotation direction is wrong, disconnect the power supply and reconnect the electric pump to the
mains by switching two of the three phases with each other.
Rotation direction (for FLV series only)
Check the exact rotation direction by proceeding with the following operations:
- connect the red clamp or the brown wire to the positive pole and the black clamp or the blue wire to
the negative pole;
- start the motor for a few seconds, making sure that the kick-back does not become a danger hazard;
- if the kick-back has been anticlockwise, then the rotation direction is correct;
- if the rotation direction is wrong, disconnect the power supply and reconnect the electric pump to the
mains by switching the wiring connection.
6. USE AND MANAGEMENT
6.1 Starting
If the starting unit is unable to start (no "take-off"), do not insist as this could only damage the component.
Identify the malfunction and repair.
General prescriptions for the use of INVERTER or SOFT-STARTER:
dV
When starting and/or during use, the minimum frequency must not be less than 70% of the rated value.
≤ 750
dt
The motor must be ordered with the type of electric winding that suits the use required.
Voltage gradient
Harmonic content of the voltage ≤ 1.5%. Harmonic content of the current ≤ 4%.
Conditions that must be complied with regardless of the length of the power cables.
6.2 Running and inspections
After the installation conduct regular preventive maintenance inspections at least once every 5000-10000
hours service, according to whether duty is more or less heavy check the following:
- the electrical insulation of the motor-power cable ;
- the condition of the oil;
- the condition of the hydraulic components.
6.3 Maintenance
Routine maintenance and repairs must be carried out by specialized techinicians posses-
sing adequate qualifications and equipped with the right tools and fully familiar with the
contents of this manual and with any other documentation supplied with the product.
Pump feeding cable replacement must be done using original spares only; cable is planned
for connection type Y to IEC 60335-1 regulations.
KICK BACK
V
μs
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