Verification Safe Isolation (W/O Lrm System); Connecting The Earthing And Short Circuiting Facility - Siemens 8BT2 Installation And Operating Instructions Manual

Extendable truck- type circuit-breaker switchgear
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Indications VOIS, VOIS R+, CAPDIS – S1+ / S2+
Indication
A0
A1
A2
A3
A4
A5
A6
6.13.
Verification of safe isolation from supply (without LRM system)
6.14.

Connecting the earthing and short circuiting facility

Preconditions
881-4027.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * Revision 04
Fig98: CAPDIS-S2+: Cover closed
VOIS+,VOIS R+
L1
L2
L3
Open the high-voltage door (see Page71, clause 6.5, "Opening the high-voltage door").
Move the switching device truck out of the panel (see Page71, clause 6.6, "Moving the
switching device truck into and out of the panel").
Use high-voltage tester according to DIN VDE 0681.
DANGER!
High voltage! Danger! If the busbars in the busbar compartment and the cable or bar
connections in the connection compartment have not been isolated, the contacts are live
at operating voltage.
Isolate the busbars in the busbar compartment and the cable or bar connections in
the connection compartment before opening the shutters or before working at the
panel connections.
Observe the Five Safety Rules.
Verify safe isolation from supply.
• Switching device truck out of panel
• Earthing accessories available
The earthing and short-circuiting facility is connected to the earthing point at the front of the
panel with an M12 bolt.
CAPDIS-S1+
CAPDIS-S2+
L1
L2
L3
L1
L2
Fig99: CAPDIS-S2+: Cover open
L3
Operating voltage not present (CAPDIS-S2+)
Operating voltage present
- Operating voltage not present
- Auxiliary power not present (CAPDIS-S2+)
Failure in phase L1, operating voltage at L2 and
L3 (for CAPDIS-Sx+ also earth-fault indication)
Voltage (not operating voltage) present
Indication: "Device-Funtion-Test" passed
Indication: "ERROR" e.g. in case of missing
auxiliary voltage (CAPDIS-S2+, error indication
M4)
87

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