Modifications reserved
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OPM_SGS_USM_M40_M50_1US_V020.doc
Operating Manual
SG Series 400 & 500 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 .......................................................................... 56
7.3.4
Separate a Unit from the parallel system (System Redundancy)........................................... 58
7.3.5
Reconnect a Unit to a parallel system.................................................................................................. 60
7.3.6
Parallel system shutdown (No Load supply)...................................................................................... 61
7.3.7
Restore to normal operation after “
total off”
..................................................................................... 63
7.3.8
Restore to normal operation after
EPO (Emergency Power Off)
............................................... 65
7.4
PROCEDURES FOR PARALLEL SYSTEM WITH COMMON BATTERY............................................................ 67
7.4.1
Parallel System start-up.............................................................................................................................. 67
7.4.2
Maintenance system shutdown (Load supplied from Q2 on all Units) ................................. 69
7.4.3
From Manual Bypass (Q2) to normal function VFI .......................................................................... 71
7.4.4
Separate a Unit from the parallel system (System Redundancy)........................................... 73
7.4.5
Reconnect a Unit to a parallel system.................................................................................................. 75
7.4.6
Parallel system shutdown (No Load supply)...................................................................................... 76
7.4.7
Restore to normal operation after “
total off”
..................................................................................... 78
7.4.8
Restore to normal operation after
EPO (Emergency Power Off)
............................................... 80
8
OPTIONS......................................................................................................................................................... 82
8.1
COMMUNICATION OPTIONS....................................................................................................................................... 82
8.2
OPTIONS IN UPS CABINET ........................................................................................................................................... 82
8.3
CONNECTION FOR OPTIONS ...................................................................................................................................... 83
8.3.1
Remote Signalling Box (RSB) ...................................................................................................................... 83
9
MAINTENANCE.............................................................................................................................................. 84
9.1
MAINTENANCE.................................................................................................................................................................. 84
9.1.1
Service check .................................................................................................................................................... 84
9.1.2
Fans and ventilation ...................................................................................................................................... 84
9.1.3
Other components with limited lifetime .............................................................................................. 84
9.1.4
Battery.................................................................................................................................................................. 84
9.1.5
Long shut-down periods of the UPS-system..................................................................................... 85
9.1.6
UPS room conditions and temperature ............................................................................................... 85
9.1.7
Long shut-down periods of the UPS-system..................................................................................... 85
10
NOTES............................................................................................................................................................. 86
10.1
NOTES FORM ..................................................................................................................................................................... 86
