6 | Safety
Power Quality Controller – PQC | Operating Manual | FRAKO
2
Safety
2.1
Intended use
Within the scope of the technical data (see
Power Quality Controller is intended for the control of power factor cos
φ
by switching
reactive power in and out. Any use of the instrument that deviates from its intended
use must be expressly approved by the manufacturer.
2.2
Instrument-specific dangers
The PQC has been manufactured using state-of-the-art technology. Nevertheless, not
all potential dangers can be excluded.
Failure to observe the safety instructions can result in death, serious injury or severe
damage to equipment and other assets.
Danger from electricity
The PQC operates at the supply voltage. Touching live components at the instrument
terminals and connecting cables can cause serious injury or may even be life-threat-
ening.
– Installation, commissioning and decommissioning of the PQC may only be carried
out by appropriately qualified technicians who are also familiar with and under-
stand the contents of this manual.
– When the PQC is being installed or serviced, the instrument and the electrical
system must be isolated from the power supply.
– The isolated electrical system must be locked out and tagged to prevent its being
inadvertently switched on again.
– It must be verified that none of the terminals are live!
– All live components in the vicinity must be covered to prevent inadvertent contact.
– Current transformer circuits must be short-circuited before they are interrupted.
– Only approved installation cables must be used.
– The PQC must only be employed on duties up to the specified maximum power.
Overloading the instrument can result in its destruction, create a fire hazard or
cause an electrical accident. The load ratings for the various connections must
not be exceeded.
– Do not open the PQC.
– When the PQC is in operation, the USB port must not be touched.