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REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
57 / 80
8 Decommissioning and Storage
In this chapter you will find information
On decommissioning the unit
Storing the REF542
plus
after decommissioning or before commissioning.
8.1
Decommissioning
Please observe the following directions when decommissioning the unit:
Isolate the bay
Transfer the configuration from the REF542
plus
to the PC and save it on data media
Switch off the REF542
plus
auxiliary supply voltage
Switch off the remaining miniature circuit breakers as well
If applicable, isolate all current transformers
Disconnect the REF542
plus
from the measuring circuits
Remove all plug connectors
Remove the unit
Check the unit for damage.
Pack the REF542
plus
properly; preferably in the original packaging
Store the unit on its side beforehand as specified.
It is not necessary to decommission the configuration program. If you wish to uninstall
the configuration program, follow the relevant directions.
8.2
Storage
Please observe the following minimum requirements for optimum storage:
Units with standard packaging or without packaging
Dry and well ventilated storage space, conditions in accordance with DIN VDE 0670
Part 1000/IEC 60694,
If packaging is used, it must be undamaged or
units without packaging must be well covered with protective sheets; however, ensure
sufficient air circulation to prevent corrosion.
Check the unit regularly for condensation.