GE SG SERIES 20 - Manual (Page 5)

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OPM_SGS_USM_10K_40K_0US_V010.doc 5/88 Operating Manual SG Series 10, 20, 30 & 40 kVA
Table of contents
Page
1 IMPORTANT SAFETY INSTRUCTIONS .................................................................7
2 INTRODUCTION.....................................................................................................10
3 DESCRIPTION........................................................................................................11
3.1 BLOCK DIAGRAM AND MAIN ELEMENTS..................................................................11
3.2 OPERATION MODES ...................................................................................................12
3.2.1 Normal operation mode .................................................................................................12
3.2.2 Utility failure operation ...................................................................................................12
3.2.3 Utility recovery operation ...............................................................................................13
3.2.4 Automatic Bypass..........................................................................................................13
3.2.5 Manual Bypass..............................................................................................................13
3.3 PARALLEL SYSTEM OPERATION ..............................................................................14
3.3.1 Introduction to the parallel system.................................................................................14
3.3.2 Features of RPA parallel system...................................................................................15
3.3.3 System control...............................................................................................................15
3.3.4 Synchronization.............................................................................................................15
3.3.5 Load sharing..................................................................................................................15
3.4 RECTIFIERS PARALLELED ON THE SAME BATTERY..............................................16
3.5 RECYCLING AT THE END OF SERVICE LIFE............................................................17
4 LAYOUT .................................................................................................................18
4.1 LAYOUT SG SERIES 10 AND 20 KVA ..............................................................................18
4.2 LAYOUT SG SERIES 30 AND 40 KVA ..............................................................................19
5 CONTROL PANEL .................................................................................................20
5.1 CONTROL PANEL ........................................................................................................20
5.2 TABLE OF FUNCTIONS AND INDICATIONS ON CONTROL PANEL.........................20
6 LCD SCREEN.........................................................................................................22
6.1 METERING MODE........................................................................................................23
6.2 ALARMS........................................................................................................................26
6.3 PARAMETERS..............................................................................................................27
6.4 EDIT MODE ..................................................................................................................29
6.5 USER PARAMETERS...................................................................................................32
6.6 EVENTS (ALARMS AND MESSAGES) ........................................................................35
6.6.1 Alarms list......................................................................................................................35
6.6.2 Messages list.................................................................................................................39
6.6.3 Event report SG Series .....................................................................................................41
7 OPERATION...........................................................................................................42
7.1 PROCEDURES FOR SINGLE UPS ..............................................................................43
7.1.1 Start-up of the SG Series..................................................................................................43
7.1.2 Maintenance shutdown (Load on Q2) ...........................................................................44
7.1.3 From Manual Bypass (Q2) to normal function On-line ..................................................45
7.1.4 Complete UPS shutdown (No Load supply) ..................................................................46
7.1.5 Restore to normal operation after “total off”...................................................................47
7.1.6 Restore to normal operation after EPO (Emergency Power Off)...................................48