GE Industrial Solutions SG Series 400 & 500 Operating Manual - Manual (Page 6)

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OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S2
7.2 PROCEDURES FOR SG Series 400 & 500 PARALLEL SYSTEM AND PARALLEL SYSTEM WITH COMMON
BATTERY..................................................................................................................................................................................................... 56
7.2.1 SG Series 400 & 500 Parallel System start-up ................................................................................................................................ 56
7.2.2 Parallel System shutdown with Load transfer on Manual Bypass Q2 (option)................................................................ 61
7.2.3 From Manual Bypass Q2 (option) to normal function VFI.......................................................................................................... 63
7.2.4 Separate a UPS Unit from the Parallel System (System Redundancy)................................................................................ 65
7.2.5 Reconnect a UPS unit to a Parallel System...................................................................................................................................... 67
7.2.6 Complete Parallel System shutdown.................................................................................................................................................. 69
7.2.7 Restore to normal operation after “Load Off”................................................................................................................................. 71
7.2.8 Restore to normal operation after EPO (Emergency Power Off) ............................................................................................ 73
8 OPTIONS......................................................................................................................................................... 75
8.1 COMMUNICATION OPTIONS ............................................................................................................................................................. 75
8.2 OPTIONS IN UPS CABINET.................................................................................................................................................................. 75
8.3 CONNECTION FOR OPTIONS............................................................................................................................................................. 76
8.3.1 Remote Signaling Box (RSB) .................................................................................................................................................................... 76
9 MAINTENANCE.............................................................................................................................................. 77
9.1 MAINTENANCE........................................................................................................................................................................................ 77
9.1.1 Service check................................................................................................................................................................................................. 77
9.1.2 Fans and ventilation................................................................................................................................................................................... 77
9.1.3 Other components with limited lifetime............................................................................................................................................ 77
9.1.4 Battery.............................................................................................................................................................................................................. 78
9.1.5 Long shut-down periods of the UPS-system .................................................................................................................................. 78
9.1.6 UPS room conditions and temperature............................................................................................................................................. 78
9.1.7 Long shut-down periods of the UPS-system .................................................................................................................................. 78
10 NOTES............................................................................................................................................................. 79
10.1 NOTES FORM............................................................................................................................................................................................ 79