832-6063.0 * OPERATION SIMOSEC * REVISION 02 71
Operation
18 To be observed for operation
Before operation, always verify readiness for service of the panels to be operated.
18.1 Verification of readiness for service
The
"ready-for-service" indicator for SF
6
gas shows the gas density in the three-position
switch required to operate the panel.
If a three-position switch filled with SF
6
gas is not ready for operation:
• Do not put the switchgear into operation
• Do not operate the switchgear
• Contact the Siemens Service Operation.
18.2 Verification of safe isolation from supply of a feeder
Verify safe isolation from supply of the switchgear or the panel:
• with the voltage indicator of the capacitive voltage detection system
Fig. 56: Ready-for-service indicator for SF
6
gas
a
Indication of operating state
s
Green area: Panel ready for operation
d
Red area: Panel not ready for operation DO NOT
SWITCH! Isolate this feeder immediately!
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