LEGRAND KEOR T EVO - Page 4

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9. OPERATING PROCEDURES FOR SINGLE SYSTEMS 54
9.1. Preparations 54
9.2. Commissioning 55
9.2.1. Start-Up UPS with Internal Battery 55
9.2.2. Start-Up UPS with External Battery 55
9.3. Decommissioning 56
9.4. Maintenance Bypass Commissioning Instructions 56
(Transfer Load Supply from UPS to Internal Maintenance Bypass)
9.5. Maintenance Bypass Decommissioning Instructions 57
10. OPERATING PROCEDURES FOR PARALLEL SYSTEMS 58
10.1. Introduction 58
10.1.1. Redundancy 58
10.1.2. Power Increase 58
10.2. Procedure for Commissioning and Start-Up 59
10.3. Procedure for Decommissioning 60
11. TROUBLESHOOTING 61
11.1. Bypass voltage failure Alarm 61
11.2. Bypass phase sequence wrong Alarm 61
11.3. Inverter not sync. with bypass Alarm 61
11.4. Input phase sequence wrong Alarm 61
11.5. Rectier not sync. with input Alarm 61
11.6. DC voltage failure Alarms 61
11.7. ESD active Alarm 61
11.8. Ambient temperature high Alarm 61
11.9. Overload Alarms 61
11.10. Maintenance bypass active Alarm 62
11.11. Battery test failure Alarm 62
11.12. Input voltage failure Alarms 62
11.13. Inverter temperature high/ Rectier temperature high Alarms 62
12. PREVENTIVE MAINTENANCE 63
12.1. Batteries 63
12.2. Battery Fuses 63
12.3. Fans 64
12.4. Capacitors 64
Appendix-1: Alarms List 65
Appendix-2: Diagnostics List 66
Appendix-3: Event List 67
Appendix-4: Technical Specications 69
Appendix-5: Modbus List 71
Appendix-6: Description of UPS and Block Diagram 73