Liebert NfinityTM Operating Procedures, Start-Up and Initialization, Manual Transfer to Bypass

Page 23

Operating Instructions

3.4Operating Procedures

3.4.1Start-Up and Initialization

Follow these steps to start up the UPS.

1.Ensure the manual bypass switch is in UPS position. Close Input Circuit Breaker (CB1) and close the Control Enable Switch (SW2). You should see the following on the LCD display window:

UPS Initializing

Please wait...

3.4.3Manual Transfer to Bypass

To manually transfer the UPS to bypass, move the manual bypass switch to the bypass position. The manual bypass switch is behind the front bottom bezel. To transfer the UPS from bypass to normal mode, follow the on- screen instructions.

Main Menu

> Transfer to Bypass

*Press to Enable UPS Output.

2. Press or ESC button.

On Mains/Utility

Output % = xx

Battery Minutes yyy

Press for menu

3.Press to access the Main Menu.

3.4.2Shutting Down the UPS

Use the following procedure to power down the UPS.

1.Press to disable power from the connected equipment.

2.Verify request to disable the output by pressing .

3.Turn off the Enable Switch (SW2). Open the Input Circuit Breaker (CB1).

Transfer to Bypass

Press for bypass

Press ESC to cancel

Assert manual bypass

Once is pressed, the bypass alarm will annunciate and cannot be canceled until the manual bypass switch is operated.

On Bypass

Manual

Bypass

Switch

On UPS

UPS on manual bypass

NOTE

The load is not protected from utility interruptions when the UPS is in bypass mode.

To transfer the UPS from bypass to normal mode, simply operate the manual bypass switch back to the UPS position.

On return from bypass, the following screen will be displayed.

No active alarms

See Event Log

19

Image 23
Contents Nfinity Power System Page Table of Contents Figures Important Safety Instructions Glossary of Symbols Standard Components FeaturesGeneral Description System DescriptionFront and back views 12 bay model shown Nfinity weight and dimensionsBypass Mode Normal ModeBackup Mode Auto Restart ModeSystem Control Module Major ComponentsUnit Frame User Interface ModuleBattery Module Power ModuleSite Preparation Required Setup EquipmentInspection EnvironmentUnloading the UPS UnloadingStationary Mounting Wiring Preparation Cable InstallationGrounding Conductor Installation Input Wiring TB1Output Wiring TB3 Circuit Breaker Connecting to External Panel BoardsInput Protection Load Rating210VAC and/or 105VAC Setup 1 210 VACSetup 2 210/105 VAC 210 VACRepo Connection Repo switch connectionsCOM2 Serial CommunicationsCOM Ports COM1 Relay ContactsButtons Controls and IndicatorsFault/Warning and Status LEDs Display ControlsNavigating the Menu Status LED ModesShutting Down the UPS Operating ProceduresStart-Up and Initialization Manual Transfer to BypassDisplay Date/Time UPS Status Event Log Module ReplacementUPS Configuration Active Alarms Service Tools Main MenuUPS Status Screen UPS Configuration Screen Review Settings Change Settings Change Configuration Settings Change Settings MenuStart Day Auto Restart ModeAuto Restart Delay IntervalThreshold DST ModeAlarm Mode Set Date/TimeBypass Alarm Mode Enable Disable Display Date/Time UPS Configuration Screen Service Mode MenuService Mode Transfer to Bypass Active AlarmsEvent Log Module Replacement Clear Failures Service Tools for Liebert Global Services EngineersUser Interface Text Cause Action Active AlarmsOperation Control Module Power ModuleBattery Module Guide to LEDs Module LED IndicationRemoving Modules Module ReplacementReplacing the User Interface Adding or Replacing ModulesReplacing Fan Filters MaintenanceScheduled Maintenance Proper CareSpecifications Product Warranty RegistrationSpecifications Page Locations Technical Support/ServiceCompany Behind the Products