CIRCUTOR FRE Series - Manual (Page 4)

FRE / FRES
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1 INTRODUCTION
The purpose of this manual is to assist during the installation, start-up and maintenance of FRE and
FRES series equipment. FRE and FRES are PF correction equipment with detuned filters and static
switching.
Carefully read the manual to achieve the best equipment performance.
2 SAFETY HAZARDS AND WARNINGS
2.1 Hazards encountered during the installation and start-up of electrical equipment.
The installation, operation and maintenance of LV equipment must only be carried
out by authorised installers. See the National Code Instructions specifically
defining the requirements that authorised installers must meet in each country.
Do not access the active elements of a detuned filter with static switching that has
been previously powered, since it might have residual voltages at the capacitors.
Wait at least 5 minutes after the power supply has been disconnected.
Do not touch the terminals or active parts of the unit until you have verified that
there is no residual voltage at the capacitors. If you have to handle or touch the
terminals or other control panel components while the equipment is connected to
the supply, use adequately insulated personal protection equipment and tools.
After maintenance and before re-applying the power supply to the unit, check that
its enclosure is properly closed and that no items or tools were left inside that
could cause a short-circuit.
Do not open the secondary circuit of current transformer without short-circuiting it
first. The operation of a current transformer with an open secondary will cause an
overvoltage that can damage it and electrocute the person handling it.
2.2 Safety warnings
Apart from the general standards listed above, the standards and applicable laws
of the country where the capacitor bank is installed or operated should be strictly
followed.
Installation or maintenance personnel should read and understand this manual
before operating the equipment.
A copy of this manual should always be available to maintenance personnel for
reference purposes.
Connecting the equipment to the public grid will be carried out in compliance with
standard EN-IEC60204-1, on the safety of LV electrical installations.
It is recommended that several personnel are present when handling the
equipment for either installation or maintenance.
If damage or faults are detected during equipment operation, or in circumstances
that compromise safety, immediately stop work in that area and disconnect the
equipment in order to check it once it is de-energized.
Modifying, upgrading or rebuilding the equipment without written authorization from
the manufacturer is strictly prohibited.