American Power Conversion 120-160kW System OFF Normal operation Load power 0% Bypass operation

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Stop/Start UPS and Operating the External Service Bypass

Action

1.Set the input switch (Q001) to position 1

2.Wait 5 sec. Open the front door of the UPS and press the green ON key

3.Press on the keyboard

4.

Press

or

on the keyboard until

5.

Press

on the keyboard

6.Press on the keyboard

7.Check light indication on the bypass panel

8.Set the output switch (Q002) to position 1

9.Set the bypass switch (Q003) to position 0

10.Press on the keyboard

11.Press or on the keyboard until

12. Press

on the keyboard

13.Press on the keyboard

14.Press on the keyboard

15. Press

on the keyboard

Display shows

**System OFF**

Normal operation

load power 0%

Bypass operation

: NO

Bypass operation

: YES

Lamp indication on Bypass Panel

Green light (H002) above the output switch handle (Q002) lights up

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

Only the light (H003) above the bypass switch handle (Q003) is now on

Display shows

Bypass operation

: YES

Bypass operation

: NO

Normal operation

load power 0%

All lights on the bypass panel switched off

NOTICE!

If battery has been disconnected, please refer to section 2.4.1 UPS start-up.

990-4036

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User Guide APC Silcon 120-160kW 400V UPS

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Contents 120-160kW 400V UPS User Guide Copyright 2000 APC Denmark ApSSafety Symbols used in this manual User Guide APC Silcon 120-160kW 400V UPSThank You Contents Introduction IntroductionDisplay Unit Stop/Start UPS and Operating the External Service Bypass Normal operation Load power xx%Stop UPS for stand-by 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 showsOperating the External Service Bypass Switch single systems Bypassing the Single System UPSBypass operation 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 Set input switches Q001 to position Press the green on button on all systemsPress On the keyboard Isolating one UPS in a Parallel/Redundant System Stop/Start UPS and Operating the External Service Bypass Operation OperationKeyboard Using the Remote Display Display of Measured ValuesBatt. load Batt. tank Economy Mode Parameter Settings Parameter SettingsParameter Settings Switching to Bypass Operation Programming KeysProgramming Example Load power xx% Alarms and Events Alarms and EventsDisplaying the Alarm Stack Mode CommentsPossible Alarms Alarms Description ActionDisplay will show invalid UPS data Rectifying Alarm Messages Parallel Operation AlarmsCorrection of false alarm situations during service Maintenance & Testing Maintenance & TestingBattery Monitoring Test Battery Capacity TestBattery capacity Test UntilTest Xxx Press Test PressWarranty WarrantyAPC Silcon UPS Limited Factory Warranty How to Contact APC How to Contact APCAPC Corporate APC Denmark