User's manual
PFC max 6, PFC max 12 Page 4
INTRODUCTION AND SAFETY RECOMMENDATIONS
Iskra would like to thank you for showing your trust by choosing one of our PFC max series regulators.
These units are constructed with the latest state-of-the-art technology, including a powerful processor to
calculate the optimum algorithms for achieving the best compensation of cosφ.
The units comply with the Electrical Safety Standard EN 61010, in accordance with the requirements of
the Low Voltage Directive (LVD) 73/23/EC and EMC Directive (2004/108/EC) and, therefore, they are
certified to carry the CE mark.
This user manual describes the operation of the PFC max series regulators and shows the user the
procedures required to install, commission and operate the units.
SAFETY
The installation and maintenance of the unit must be performed by duly trained
and authorised staff and in accordance with the national and international
standards. Any inappropriate manipulation or use of this equipment out of the
conditions specified by the manufacturer may involve serious dangers to the user.
Before performing any maintenance operation on the PFC and associated PF
compensation equipment, be sure to disconnect the main switch. After
disconnecting the switch, wait at least 5 minutes to ensure that the capacitors are
totally discharged.
During the installation, maintenance or commissioning of equipment regulated by a PFC max unit, the
following safety precautions must be observed:
Before connecting the equipment make sure that the earth terminals have been properly connected.
A defective earth connection may cause a wrong operation of equipment and involves a danger of
electric shock to the user or system operator.
Maintenance must be performed taking the necessary precautions to avoid electrocution and
electric shock. Ensure that the unit has been disconnected and wait the necessary time to ensure
that the capacitors are totally discharged before any maintenance action. We recommend the use
of safety goggles and gloves when cabinet doors are open and protection covers removed.
If a PF compensation unit is connected to mains and capacitors are accidentally connected without
load, a resonance may occur. In such condition voltage harmonics may be amplified, cause
overvoltage and damage the compensation unit and other equipment connected to the mains.
The start-up and interruption procedures indicated in the manual must be followed to avoid
damaging the PF equipment and/or other equipment connected to mains.
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