American Power Conversion 480kW manual System OFF

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Stop/Start UPS and Operating the External Service Bypass

1.Open front doors

2.Note that step 3 will interrupt output voltage and activate the alarm! The red LED alarm below the display will light up

The acoustic alarm will sound for 30 seconds*

3.Press the green ON and the red OFF button simultaneously. The red LED alarm below the display will light up

The acoustic alarm will sound for 30 seconds*

4.On systems with no Service Bypass Panel, switch off the mains supply

5.The red LED alarm below the display will light up The acoustic alarm will sound for 30 seconds

6.Switch off battery breakers F001 and F002 in the Battery Breaker Box or battery cabinet

Refer to LED indication and labelling in Battery Breaker Box or battery cabinet

7.To switch off mains supply, open Q001 – on systems with Service Bypass Panel.

Display shows

**System OFF**

**System OFF**

8. The acoustic alarm sounds

Blank

*Reset the acoustic alarm by pressing .

The UPS is now isolated. Maintenance/repair, disconnection or removal can now be carried out.

CAUTION!

Recharge batteries out of service every 3 months to prevent damage.

WARNING!

Internal DC capacitor may contain energy even after the UPS has been switched off. Allow for automatic discharge by waiting at least 5 minutes after switching off UPS and battery breakers before working on the UPS.

 

990-4058GB

 

 

User Guide APC Silcon 480kW 400/415V UPS

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Contents Copyright 2002 APC Japan 480kW 400/415V UPS User GuideThank You User Guide APC Silcon 480kW 400/415V UPSContents Introduction IntroductionDisplay Unit Stop UPS for stand-by Stop/Start UPS and Operating the External Service BypassStart UPS from stand-by Switching off the UPS Stop UPS for complete power downSystem OFF UPS start-up Start UPS from complete power downSystem start-up now completed Bypassing the Single System UPS Operating the External Service Bypass Switch single systemsStop/Start UPS and Operating the External Service Bypass System OFF Normal operation Load power 0% Bypass operation Bypassing the Parallel UPS System All UPSs Press On the keyboard until Stop/Start UPS and Operating the External Service Bypass Set input switches Q001 to position Isolating one UPS in a Parallel/Redundant System Stop/Start UPS and Operating the External Service Bypass Operation OperationKeyboard Display of Measured Values Using the Remote DisplayEconomy Mode Parameter Settings Parameter SettingsParameter Settings Programming Keys Switching to Bypass OperationProgramming Example Normal operation Mode Comments Alarms and EventsAlarms and Events Displaying the Alarm StackAlarms Description Action Possible AlarmsAlarms and Events Parallel Operation Alarms Rectifying Alarm MessagesCorrection of false alarm situations during service Battery Capacity Test Maintenance & TestingMaintenance & Testing Battery Monitoring TestUntil Battery capacity Test Xxx Press Data stored Warranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Denmark How to Contact APCHow to Contact APC APC Corporate