Installation guide

Modifications reserved Page 6/82
OPM_SGS_USM_M10_M15_0US_V030.doc Operating Manual SG Series 100 – 120 - 150 kVA
7.2 PROCEDURES FOR UPS FUNCTIONING AS FREQUENCY CONVERTER .................................................................... 48
7.2.1 Start-up of the SG Series as frequency converter................................................................................................................. 48
7.2.2 Complete UPS shutdown (No Load supply).............................................................................................................................. 49
7.2.3 Restore to normal operation after “total off”........................................................................................................................... 50
7.2.4 Restore to normal operation after EPO (Emergency Power Off)...................................................................................... 51
7.3 PROCEDURES FOR PARALLEL SYSTEM.................................................................................................................................. 52
7.3.1 Parallel System start-up................................................................................................................................................................... 52
7.3.2 Maintenance system shutdown (Load supplied from Q2 on all Units)........................................................................ 54
7.3.3 From Manual Bypass (Q2) to normal function VFI ................................................................................................................ 55
7.3.4 Separate a Unit from the parallel system (System Redundancy).................................................................................. 57
7.3.5 Reconnect a Unit to a parallel system....................................................................................................................................... 58
7.3.6 Parallel system shutdown (No Load supply) ........................................................................................................................... 59
7.3.7 Restore to normal operation after “total off”........................................................................................................................... 61
7.3.8 Restore to normal operation after EPO (Emergency Power Off)...................................................................................... 63
7.4 PROCEDURES FOR PARALLEL SYSTEM WITH COMMON BATTERY............................................................................ 65
7.4.1 Parallel System start-up................................................................................................................................................................... 65
7.4.2 Maintenance system shutdown (Load supplied from Q2 on all Units)........................................................................ 67
7.4.3 From Manual Bypass (Q2) to normal function VFI ................................................................................................................ 68
7.4.4 Separate a Unit from the parallel system (System Redundancy).................................................................................. 70
7.4.5 Reconnect a Unit to a parallel system....................................................................................................................................... 71
7.4.6 Parallel system shutdown (No Load supply) ........................................................................................................................... 72
7.4.7 Restore to normal operation after “total off”........................................................................................................................... 74
7.4.8 Restore to normal operation after EPO (Emergency Power Off)...................................................................................... 76
8 OPTIONS...................................................................................................................................................... 78
8.1 COMMUNICATION OPTIONS...................................................................................................................................................... 78
8.2 OPTIONS IN UPS CABINET........................................................................................................................................................... 78
8.3 CONNECTION FOR OPTIONS...................................................................................................................................................... 79
8.3.1 Remote Signalling Box (RSB) ........................................................................................................................................................... 79
9 MAINTENANCE ........................................................................................................................................... 80
9.1 MAINTENANCE................................................................................................................................................................................. 80
9.1.1 Service check......................................................................................................................................................................................... 80
9.1.2 Fans and ventilation........................................................................................................................................................................... 80
9.1.3 Other components with limited lifetime.................................................................................................................................... 80
9.1.4 Battery...................................................................................................................................................................................................... 80
9.1.5 Long shut-down periods of the UPS-system .......................................................................................................................... 81
9.1.6 UPS room conditions and temperature..................................................................................................................................... 81
9.1.7 Long shut-down periods of the UPS-system .......................................................................................................................... 81
10 NOTES .......................................................................................................................................................... 82
10.1 NOTES FORM .................................................................................................................................................................................... 82