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Liebert POWER PROTECTION STATIC TRANSFER SWITCH manual S1 OF/UF, S1 Fail, S2 UV

Models: POWER PROTECTION STATIC TRANSFER SWITCH

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Event Message Help Text

S1 OF/UF

Source 1 Over Frequency/Under Frequency

The frequency for Source 1 is running outside the acceptable operating range, as set in the Frequency Trip Point under User Settings. An S1 Fail alarm was also issued and source transfer has been inhibited.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

This event was written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.

S1 FAIL

Source 1 Failure

Source 1 has failed due to under voltage (UV), over voltage (OV), or running over or under frequency (OF/UF). This alarm is a companion to S1 UV, S1 UV (RMS), S1 OV and S1 OF/UF.

The load of the STS2 has been transferred to Source 2.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

This event has been written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.

S2 UV

Source 2 Under Voltage (fast detection).

The input voltage from Source 2 dropped below a set percentage of the nominal voltage, as set in the Fast UV set point under the User Settings. An S2 Fail alarm was also issued and source transfer has been inhibited.

The load of the STS2 has been transferred to Source 1.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

This event was written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.

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Liebert POWER PROTECTION STATIC TRANSFER SWITCH manual S1 OF/UF, S1 Fail, S2 UV

Contents

Power Protection Static Transfer SwitchPage Table of Contents Theory of Operation Alarm and FaultsOperating Instructions for the Touch Screen Interface 13.0 STS2 Touch Screen Display Communication InterfacesOperating the LED Display STS2 Event Message Help Text 17.0 Maintenance SpecificationsFigures Tables Important Safety Instructions Overview of Manual Safety Precautions Unloading and Handling External InspectionsUnpacking and Inspections Handling Considerations Internal InspectionsUnit Preparation Heat Output Recommended Minimum Service ClearancesOperating Environment Location ConsiderationsAltitude Ambient Temperature MaxRating Altitude Feet Above Sea LevelLeveling and Anchoring the Static Switch Using Floor Stand Leveling of the Static Switch Without AnchoringLeveling and Anchoring the Unit to the Floor Locating the STS2Power and Control Wiring Input And Output Power ConnectionsInput/output conduit plate specifications Input Junction Box Installation OptionalInput junction box dimensions Input junction box terminal wire size rangeSystem Grounding Control Wiring ConnectionsPower Supply Remote Source Selection WiringRemote source selection terminal block Contact ConnectionOptimized Transfer Programmable Relay BoardOptions Programmable relay board pinoutComms Board Input Contact Isolator BoardInternal Modem Network Interface Card NIC Key Lockout SwitchLED Display Remote Source SelectionSeismic Floor Anchors Input Junction Boxes and CablesSeismic Floor Stand Drawings Static Transfer SwitchDrawing 100 250 amp STS2 Detail aSide View Outline drawing 800 Amp STS2Front View Side View 400 600 AMP with KEY Lockout Switch Option Switch optionAmp STS2 with Key lockout switch optionDrawing 100 250 amp STS2 Seismic anchorSeismic anchor drawing 400 600 amp STS2 System Seismic ANCHORING, Figure FrontDrawing 100 250 amp STS2 with single output breaker Electrical field connectionsElectrical field connections drawing 100 250 amp STS2 with dual output breakersGround BUS INPUT/OUTPUT BUS Front View Right Side View Drawing 400 600 amp STS2 with single output breakerDrawing 400 600 amp STS2 with dual output breakers Drawing 800 1000 amp STS2 with single output breaker Electrical field connectionsPS212801 Rev Static Transfer Switch 2, Molded Case Breaker Schedule See Option Location Detail Control connection location diagram 100 600 amp STS2Front View with Front Door Removed Option Location Detail Control connection location diagram 800 1000 amp STS2For WiringSelection option SourceJ72 J71J73 J74No Customer Connection 3 4 5 6 7 8 9 10 1112 13 14 15Sitescan For internal modem wiringSee Detail B J1A See Detail a J1A Detail a RJ-11 ConnectorTB2 Control wiring for the network interface card NIC optionLCD Display Control wiring for the RS-232 portInput Junction BOX For input junction boxTouch ColorScreen DisplayLED display Installation drawing, seismic floor stand 100-250A Stand InstallationPS215002 Rev PS215003 Rev Height Table Hardware Torque ChartPS216001 Rev PS216002 Rev PS216003 Rev 800 Installation drawing, seismic floorTOP View of Floor Stand With Lower Rear Mounting Bracket DrawingRight Side View Front Right Isometric View Rear Right Isometric ViewRight Side ViewFront View ViewIntroduction to STS2 Operations System DescriptionRedundancy Modes of Operation Bypass Operator ControlsTheory of Operation General DescriptionDetailed Component Description Firmware HardwareCircuit Breakers SCRsLogic Modules Audible Alarm6 RS-232 Port Operating Instructions for the Touch Screen Interface Normal System Turn-On Manual Transfer / Preferred Source Selection Settings onEnabling Remote Source Selection Maintenance BypassTo manually select the preferred source Touch Screen Viewing Slot for the Source 1 Gate Drive Board Viewing Slot for the Source 2 Gate Drive BoardTo bypass the switch for Source Bypass Procedures for SourceTo return to the normal mode Shutdown in Maintenance Bypass Mode Shutdown in Static Transfer Switch ModeTo return to normal mode Normal System ShutdownEvent Mask Alarm and FaultsEvent Log Event and History LogsHistory Log Alarm Notes List of Messages Alarm Message Description/Cause ActionEvent Messages See Configuring the Input Contact Isolator Settings on Communication Interfaces Using the RS-232 PortTerminal Commands Connecting and Using a TerminalKeys Function Groups Parameter Configuring the STS2 via the TerminalItem Parameter Value Parameter Group settings and valuesValue types Event Mask UserOptions1 Setting Bitpacked Options with the TerminalComms Options Non-Critical Option Enab Critical Option EnablingBinary-Hexadecimal Conversions HexSetting Event Masks with the Terminal Putting the Terminal Command TogetherExamples of Event Mask Settings 13.0 STS2 Touch Screen Display Display OverviewBackspace Menu OverviewUsing the Password Using the Optional Key Lockout SwitchTo set or reset the password Changes disabled Changes enabledEvent Controls Mimic DisplayEvent Display Menu barTo access the User Settings dialog box User SettingsTo set the event masks Source Set Points User settings dialog boxButton Range Default Comments To configure the set points for each sourceSet Point Parameters STS2 Touch Screen Display To access the System Settings menu System SettingsComm Options Option buttonsTo configure the modem Configuring the ModemConfiguring the Input Contact Isolator Settings Configuring Pager SupportInput contact isolator dialog box To configure the Input Contact Isolator relaysStandard Settings for Programmable Relays Configuring the Programmable Relay Board SettingsRelay Setting Definition If the optional OpenComm NIC is installed in the STS2 Configuring the Network Interface CardSaving Your Communications Configurations SiteScan ConfigurationSystem Options Dual Output BreakerShunt Pole Transfer SwitchWye Output Transformer Remote Source SelectionTo use the Event Log LogsCleaning the LCD Touch Screen Operating the LED Display STS2 LEDs and Buttons and Key Lockout SwitchFront Panel Controls LED and push button description SymbolLED and push button description Description ActionOperations Key Lockout SwitchEvent Controls Normal System Turn-OnManual Transfer / Preferred Source Selection If transfer to Source 2 is not desired Maintenance BypassIf transfer to Source 1 is not desired Normal System Shutdown When the Static Transfer Switch is operating on bypassSpecifications System ConfigurationFrequency Input/Output VoltageElectrical Requirements GroundingInput Surge Suppression Response TimeFrame and Enclosure System ComponentsCastors, Leveling and Seismic Anchoring CoolingCable Entrance AccessDoors Color Graphical Display or LED Display15.2.9 RS-232 Port Pin Signal Name Function / Comments15.2.10Terminal Port Connections MTA Plug PinoutRS-232 Settings 15.2.12Maintenance Bypass15.2.11RS-232 Interface Parameters 15.2.13Fuseless DesignS1 SCR Short Event Message Help TextS2 SCR Short S1 SCR OpenS2 SCR Open 118 119 S2 Volt Sense Fail S1 Volt Sense FailS2 Curr Sense Fail S1 Curr Sense FailS1 Gate Drive Fail S2 Gate Drive Fail Heat Sink Overtemp S1 UV RMS S1 UVS1 OV S1 Fail S1 OF/UFS2 UV S2 OV S2 UV RMSS2 UF/OF S2 Fail S2 I-PEAK S1 I-PEAK129 CB5 S1 BYP Closed S2 Phase ROT Error S1 Phase ROT Error132 133 134 135 136 Maintenance Testing the STS2Proper Tightening of Nuts and Bolts Changing the Air FilterSupport Information Channel Programmable Relay Board Settings RecordChannel PRB Notes Input Contact Isolator Settings Record Maintenance 142 Page Company Behind the Products Technical Support/ServiceLocations United States