Eaton 9155 N - Page 5

ii 8-10 kVA, 50/60 Hz (1-phase input) &
8-15 kVA, 50/60 Hz (3-phase input)
P-164000341
User's Guide Revision 1
8.5 Start-up after EPO..................................................................................................................................................................... 56
8.6 Shutdown...................................................................................................................................................................................56
9 Maintenance..................................................................................................................................................................................................................................57
9.1 Regular service/intervals............................................................................................................................................................57
9.1.1 Batteries.........................................................................................................................................................................58
9.1.2 Cooling fan.....................................................................................................................................................................58
9.2 LED indicators........................................................................................................................................................................... 58
9.3 Maintenance bypass switch (MBS) operation.......................................................................................................................... 59
9.3.1 Internal maintenance bypass switch operation.............................................................................................................59
9.3.1.1 Turn UPS from normal mode to mechanical bypass.............................................................................................60
9.3.1.2 Turn UPS from mechanical bypass to normal mode.............................................................................................61
9.3.2 Maintenance bypass switch operation..........................................................................................................................62
9.3.2.1 Turn UPS from normal mode to mechanical bypass.............................................................................................63
9.3.2.2 Turn UPS from mechanical bypass to normal mode.............................................................................................64
10 Parallel systems......................................................................................................................................................................................................................... 66
10.1 Overview..................................................................................................................................................................................66
10.2 Tie cabinets............................................................................................................................................................................. 67
10.3 XSlot Hot Sync card: installing and wiring..............................................................................................................................73
10.4 Parallel operations................................................................................................................................................................... 76
11 Recycling the used UPS or batteries.....................................................................................................................................................................................78
12 Dimensional drawings.............................................................................................................................................................................................................. 79
13 Wiring diagrams for internal transformer............................................................................................................................................................................ 85
14 Technical data............................................................................................................................................................................................................................ 88
15 Warranty.......................................................................................................................................................................................................................................92