American Power Conversion 480kW manual Press On the keyboard until

Page 14

Stop/Start UPS and Operating the External Service Bypass

Action

Steps 1-4 apply to all the parallel systems. Note that this will switch all systems into bypass operation

1.

Press

on the keyboard

Display shows

 

2.

Press

or

on the keyboard until

Bypass operation

 

 

 

 

: NO

3.

Press

on the keyboard

Bypass operation

 

 

 

 

: YES

4.

Press

on the keyboard

 

All systems switch to bypass operation

Do not switch off any of the UPS systems until steps 5-8 have been completed

5. Check light indication on the bypass panel

Bypass operation

Lamp indication on Bypass Panel

Green light (H003) above the bypass switch handle (Q003) lights up

6.

Set the external bypass switch (Q003) to position 1

Green light (H004)

 

 

above the output switch

 

 

handle (Q004) and green

 

 

lights (H002) above the

 

 

output switch handles

 

 

(Q002) light up

7.

Set the output switch (Q004) to position 0

H003 switches off

 

 

H002 and H004 still on

8.

Set all output switches (Q002) to position 0

H002 and H004 still on

9.Open the front door of any one system and press the green ON and the red OFF button simultaneously

The acoustic alarm sounds for 30 secs* Repeat for (all) other system(s)

10.Set all input switches (Q001) to position 0

The red alarm LED below the display lights up and the acoustic alarm sounds for 30 secs*

Display shows

**System OFF**

*Reset the acoustic alarm by pressing the key.

990-4058GB

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User Guide APC Silcon 480kW 400/415V UPS

Image 14
Contents 480kW 400/415V UPS User Guide Copyright 2002 APC JapanUser Guide APC Silcon 480kW 400/415V UPS Thank YouContents Display Unit IntroductionIntroduction Start UPS from stand-by Stop/Start UPS and Operating the External Service BypassStop UPS for stand-by Stop UPS for complete power down Switching off the UPSSystem OFF Start UPS from complete power down UPS start-upSystem start-up now completed Operating the External Service Bypass Switch single systems Bypassing the Single System UPSStop/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 Keyboard OperationOperation Using the Remote Display Display of Measured ValuesEconomy Mode Parameter Settings Parameter SettingsParameter Settings Programming Example Switching to Bypass OperationProgramming Keys Normal operation Displaying the Alarm Stack Alarms and EventsAlarms and Events Mode CommentsPossible Alarms Alarms Description ActionAlarms and Events Correction of false alarm situations during service Rectifying Alarm MessagesParallel Operation Alarms Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity TestUntil Battery capacity Test Xxx Press Data stored APC Silcon UPS Limited Factory Warranty WarrantyWarranty APC Corporate How to Contact APCHow to Contact APC APC Denmark