990-4039
User Guide APC Silcon 240-320kW 480V UPS 3
Contents:1.0 Introduction 4
1.1 Display Unit 4
2.0 Stop/Start UPS and Operating the External Service Bypass Panel 5
2.1 Stop UPS (for stand-by) 5
2.2 Start UPS (from stand-by) 5
2.3 Stop UPS (for complete power down) 6
2.3.1 Switching off the UPS 6
2.4 Start UPS (from complete power down) 7
2.4.1 UPS Start-up 7
2.5 Operating the External Service Bypass Switch (single systems) 9
2.5.1 Bypassing the Single System UPS 9
2.5.2 Switching the Single System UPS from External Bypass into
Normal UPS Operation 10
2.6 Operating the External Service Bypass Switch (parallel systems) 12
2.6.1 Bypassing the Parallel UPS System (All UPSs) 12
2.6.2 Switching the Parallel System from External Bypass into
Normal UPS Operation 14
2.7 Isolating one UPS in a Parallel Configuration for
Service/Maintenance 16
2.7.1 Isolating one UPS in a Parallel/Redundant System 16
2.7.2 Switching Back the UPS to Normal Parallel/Redundant Operation 16
3.0 Operation 18
3.1 Keyboard 18
3.2 Display of Measured Values 19
3.3 Using the Remote Display 20
3.4 Economy Mode 20
4.0 Parameter Settings 21
4.1 Programming Keys 22
4.2 Switching to Bypass Operation 22
5.0 Alarms and Events 24
5.1 Displaying the Alarm Stack 24
5.2 Displaying the Event Stack 24
5.3 Possible alarms 25
5.4 Rectifying Alarm Messages 27
5.5 Parallel Operation Alarms 27
6.0 Maintenance & Testing 28
6.1 Fan 28
6.2 Battery Monitoring Test 28
6.3 Battery Capacity Test 28
7.0 Warranty 30
7.1 APC Silcon UPS Limited Factory Warranty 30
8.0 How to Contact APC 31