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8. OPERATION INSTRUCTIONS
8.1 ENERGIZING
Check if there are foreign objects in the switchgear.
Check the connections of the switchgear.
PHASE CONFORMITY TEST
If the phases conform, light is OFF .
If the phases do not conform, light is ON.
(Test device cannot be delivered with switchgear.)
CABLE TEST
In Output Switchgear
•
To check cable faults.
Turn the breaker ON.
•
•
Turn the disconnector ON.
Turn the earthing disconnector OFF .
•
•
Open the switchgear front cover.
Place the cable test device.
•
•
Turn the earthing disconnector ON.
Perform the required measurements.
•
6
Ulusoy URING12-24 - LLF - SF Insulated Compact RMU Switchgear with Fuse User Manual May 2020 www.eaton.com
Serial Light
6
Place the switchgear front cover.
Voltage Indicator
Input switchgear:
When input cables are powered, voltage indicator lights
must be ON.
Output switchgear:
When the disconnector and breaker are OFF ,
voltage indicator lights must be ON.
In Input Switchgear
•
To check cable faults.
Turn the breaker ON.
•
Turn the disconnector ON.
•
Break the power of the switchgear from previous
•
center and perform the earthing of the cables.
Turn the earthing disconnector OFF .
•
Open the switchgear front cover.
•
Place the cable test device.
•
Turn the earthing disconnector ON from both sides.
•
•
Perform the required measurements.
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