72 | Cleaning and maintenance
Power Quality Controller – PQC | Operating Manual | FRAKO
8 Cleaning and maintenance
8.1 Safety during cleaning and maintenance
WARNING!
Danger from electricity!
There are dangerous voltages present inside the PQC. Touching live com-
ponents in the PQC or at the instrument terminals and connecting cables
can cause serious injury or may even be life-threatening.
– Do not open the PQC casing.
–
During cleaning and maintenance, the PQC and the connecting cables
must be isolated from the power supply.
–
The isolated electrical system must be locked out to prevent its being
inadvertently switched on again.
– All connections must be checked to verify that they are no longer live.
– All live components in the immediate vicinity must be covered.
8.2 Cleaning
The PQC may only be cleaned with a dry cloth. Do not use aggressive or abrasive
cleaning agents or solvents.
8.3 Maintenance
The PQC does not contain any components that need maintenance.
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