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22.2
Operating the shutter to the connection compartment in the switching-device compartment ...................... 286
22.3
Operating the shutter to the busbar compartment in the contactor panel with panel width 435 mm ............ 289
22.4
Operating the shutter to the connection compartment in the contactor panel with panel width 435 mm ...... 293
23 Accessing the connection compartment through the front ............................................................. 298
23.1
Preparations before accessing the connection compartment ...................................................................... 298
23.2
Accessing the connection compartment through the switching-device compartment .................................. 302
23.3
Installing the vertical partition in the switching-device compartment ............................................................ 307
23.4
with ventilation system type I ....................................................................................................................... 313
23.5
Installing the vertical partition and the ventilation duct type I in the switching-device compartment ............ 318
23.6
with ventilation system type II ...................................................................................................................... 324
23.7
Installing the vertical partition and the ventilation duct type II in the switching-device compartment ........... 329
23.8
with voltage transformer compartment ......................................................................................................... 333
23.9
switching-device compartment..................................................................................................................... 339
24 Accessing the connection compartment through the rear ............................................................... 347
24.1
Accessing the connection compartment through the rear side of the panel ................................................. 347
24.2
Installing the rear wall on the connection compartment ............................................................................... 353
24.3
Accessing the connection duct through the rear side of the panel ............................................................... 359
24.4
Installing the rear walls on the connection duct ........................................................................................... 362
25 Key-operated interlocks ....................................................................................................................... 365
25.1
Key-operated interlocks for the withdrawable part / switching-device truck ................................................. 365
25.2
Key-operated interlocks for the busbar earthing switch ............................................................................... 368
26 Fitting the earthing device ................................................................................................................... 370
26.1
Design, application and inspection of the earthing device accessories ....................................................... 370
26.2
Connecting the earthing device ................................................................................................................... 371
26.3
Removing the earthing device ..................................................................................................................... 378
27 Panels with motor operating mechanism control .............................................................................. 382
27.1
Overview of functionality .............................................................................................................................. 382
27.2
Opening the control door ............................................................................................................................. 386
27.3
Closing the control door ............................................................................................................................... 387
27.4
Selecting manual operation for racking ........................................................................................................ 388
27.5
Selecting electrical operation for racking ..................................................................................................... 390
27.6
Selecting interlocking ................................................................................................................................... 391
27.7
Racking the withdrawable circuit-breaker / circuit-breaker truck to service position manually ..................... 394
27.8
Racking the withdrawable circuit-breaker / circuit-breaker truck to service position electrically ................... 397
27.9
Racking the withdrawable circuit-breaker / circuit-breaker truck to test position manually ........................... 398
27.10 Racking the withdrawable circuit-breaker / circuit-breaker truck to test position electrically ........................ 402
27.11 Opening the circuit-breaker manually .......................................................................................................... 403
27.12 Closing the circuit-breaker manually ............................................................................................................ 404
27.13 Charging / discharging the spring energy store manually ............................................................................ 405
27.14 Earthing / de-earthing the feeder manually .................................................................................................. 407
27.15 Earthing / de- earthing the feeder electrically............................................................................................... 409
27.16 Earthing / de-earthing the busbar system manually ..................................................................................... 410
27.17 Earthing / de- the busbar system electrically ............................................................................................... 410
27.18 Further operating options ............................................................................................................................. 411
27.19 Technical data / operating times .................................................................................................................. 412
27.20 Fault indication and fault evaluation ............................................................................................................. 413
28 Panel heater ........................................................................................................................................... 414
28.1
Heater versions ............................................................................................................................................ 414
28.2
Mechanical temperature controllers ............................................................................................................. 414
28.3
Electronic temperature and humidity controller ............................................................................................ 415
28.4
Applications for temperature controller ........................................................................................................ 415
29 Service information ............................................................................................................................... 417
29.1
Maintenance ................................................................................................................................................ 417
29.2
Time schedule for maintenance measures .................................................................................................. 417
29.3
Visual inspection .......................................................................................................................................... 418
29.4
Preventive maintenance .............................................................................................................................. 419
29.5
Lubricants to be used .................................................................................................................................. 421
29.6
Overpressure monitors (optional), function test ........................................................................................... 422
29.7
Maintenance of fan(s) for forced ventilation ................................................................................................. 425
29.8
Switchgear extension ................................................................................................................................... 425
110-0134.9 / 14
NXAIR / ≤ 40 kA
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