3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Regular service and maintenance
This chapter describes the procedure and intervals for service and maintenance.
WARNING
The equipment must only be serviced and maintained by qualified personnel. For the purpose of the safety information in these operating instructions, a "qualified person" is someone who is authorized to energize, ground, and tag equipment, systems, and circuits in accordance with established safety procedures.
WARNING
3KC6 only: The use of a megohmmeter is prohibited on 3KC6 transfer switching equipment, as the terminals are connected to the internal prewired power supply and line monitoring.
Recommended maintenance/inspection intervals and tests
We recommend actuating the 3KC3 and 3KC6 transfer switching equipment at least once a year in the following sequence: I -
0 - II - 0 – I.
This should be done both in manual operation and in automatic mode on the 3KC6 and in remote mode on the 3KC3.
In addition, all connections should be tested at least once a year to make sure they are tight.
To do this, proceed as follows:
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Check the tightening torque of the connecting screws
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Visual inspection of all cables
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Visual inspection of accessories and their connections