APC 480kW 400V manual Acoustic alarm sounds for 30 secs

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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

6.Set the external bypass switch (Q003) to position 1

Bypass operation

Lamp indication on Bypass Panel

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

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*

*Reset the acoustic alarm by pressing the key.

Display shows

**System OFF**

990-4041

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User Guide APC Silcon 480kW 400V UPS

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Contents 480kW 400V UPS User Guide Copyright 2000 APC Denmark ApSThank You Safety Symbols used in this manualUser Guide APC Silcon 480kW 400V UPS Contents Display Unit IntroductionIntroduction Stop UPS for stand-by Stop/Start UPS and Operating the External Service BypassNormal operation Load power xx% Start UPS from stand-byStop UPS for complete power down Switching off the UPSBlank Start UPS from complete power down UPS start-upSystem OFF Normal operation load power XX% Display showsBypass operation Operating the External Service Bypass Switch single systemsBypassing the Single System UPS Stop/Start UPS and Operating the External Service Bypass System OFF Normal operation Load power 0% Bypass operation Bypass operation Normal operation Load power 0%Bypassing the Parallel UPS System All UPSs Acoustic alarm sounds for 30 secs Stop/Start UPS and Operating the External Service Bypass Press On the keyboard Set input switches Q001 to positionPress the green on button on all systems Isolating one UPS in a Parallel/Redundant System Stop/Start UPS and Operating the External Service Bypass Keyboard OperationOperation Batt. load Batt. tank Using the Remote DisplayDisplay of Measured Values Economy Mode Parameter Settings Parameter SettingsParameter Settings Programming Example Switching to Bypass OperationProgramming Keys Load power xx% Displaying the Alarm Stack Alarms and EventsAlarms and Events Mode CommentsPossible Alarms Alarms Description ActionDisplay will show invalid UPS data Correction of false alarm situations during service Rectifying Alarm MessagesParallel Operation Alarms Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity TestTest Xxx Press Battery capacity TestUntil Test PressAPC Silcon UPS Limited Factory Warranty WarrantyWarranty APC Corporate How to Contact APCHow to Contact APC APC Denmark