Eaton RVAC - Combination Unit Cabinet Operation

Instruction Leaflet IL0102002E
Effective April 2018
Ring Main Unit Operation Instruction
24 EATON CORPORATION www.eaton.com
1.3. Operation instruction
a). Close the cable compartment door, and unlock the operation of
the ground switch;
b). Push open the ground switch operating hole latching panel to
the right, open the ground switch operating hole, insert the
handle into the ground switch operating hole, rotate the handle
clockwise to open the ground switch, and pull out the operating
handling after operation;
c). Push open the load switch operating hole latching panel to the
left, open the load switch operating hole, insert the handle into
the load switch operating hole, rotate the handle clockwise to
close the switch, and pull out the operating handling after
operation;
d). Push open the load switch operating hole latching panel to the
left, open the load switch operating hole, insert the handle into
the load switch operating hole, rotate the handle counter
clockwise to open the switch, and pull out the operating
handling after operation;
e). Push open the ground switch operating hole latching panel to
the right, open the ground switch operating hole, insert the
handle into the ground switch operating hole, rotate the handle
counterclockwise to close the ground switch, and pull out the
operating handling after operation;
f). Lift up the lock catch of the interlocking device to lock the
operation of the ground switch, and open the cable
compartment door;
WARNING
IT IS STRICTLY PROHIBITED TO CLOSE THE GROUND SWITCH AND OPEN
THE CABLE COMPARTMENT DOOR WHEN THE CABLE HEAD IS
ENERGIZED.
2. Combination unit cabinet
2.1. Operating interface description
Voltage presence indicator
* Fault indicator
* Ammeter, voltmeter
SF6 gas pressure meter
*Opening button/opening state indicator
* Closing button/closing state indicator
Main bus mimic line
Ground switch close/open operation hole
Load switch closing operation hole
Load switch open/close state indication
Load switch opening operation button
Ground switch open/close state indication
Cable compartment door interlocking device
Fuse status indication
Voltage presence indication mark
Fuse mimic line
Branch bus mimic line
Padlock locking position
Note: * is optional and can be equipped as per the customer’s request.