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Liebert POWER PROTECTION STATIC TRANSFER SWITCH System Configuration, Specifications, Frequency

Models: POWER PROTECTION STATIC TRANSFER SWITCH

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Specifications

15.0SPECIFICATIONS

This section provides the specifications for the STS2.

15.1System Configuration

The STS2 can be set in several different configurations, according to the model and location. The con- figuration is set at the factory and does not need to be changed by the customer. These configurations apply to both units, the Color Graphical Display and an LED Display.

15.1.1Frequency

The STS2 accepts input frequencies of 50 Hz and 60 Hz. The frequency shall be within +/- 0.5 Hz of the nominal frequency.

15.1.2Input/Output Voltage

The STS2 models are available to handle various voltages.

The input voltage must be three phase AC (3 or 4 wire-plus-ground). The STS2 is designed to accept an input neutral from each source. The neutral is switched in the 4-pole static transfer switch only.

The voltage shall be within +/- 10% of the nominal voltage.

The output voltage shall be three phase AC (3 or 4 wire-plus-ground). Nominal output voltage shall be same as input voltage.

The following table provides nominal voltages, listed according to frequency

Table 17 Input/Output Voltage

60Hz	50 Hz

[L-L/L-N]	[L-L/L-N]

200/115V	200/115V

208/120V	208/120V

220/127V	220/127V

240/139V	240/139V

380/220V	380/220V

400/230V	400/230V

415/240V	415/240V

480/277V

600/346V

15.1.3 System Current Ratings

These ratings are based upon continuous switch current rating. These ratings are for all voltages and frequencies. All units are 100% continuous current rated.

Table 18 System Current Ratings

Current

100

250

400

600

800

1000

110

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Liebert POWER PROTECTION STATIC TRANSFER SWITCH System Configuration, Specifications, Frequency, Input/Output Voltage

Contents

Static Transfer Switch Power ProtectionPage 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 Specifications Event Message Help Text 17.0 MaintenanceFigures Tables Important Safety Instructions Overview of Manual Safety Precautions Unloading and Handling External InspectionsUnpacking and Inspections Handling Considerations Internal InspectionsUnit Preparation Operating Environment Recommended Minimum Service ClearancesHeat Output Location ConsiderationsRating Ambient Temperature MaxAltitude Altitude Feet Above Sea LevelLeveling and Anchoring the Unit to the Floor Leveling of the Static Switch Without AnchoringLeveling and Anchoring the Static Switch Using Floor Stand Locating the STS2Input And Output Power Connections Power and Control WiringInput junction box dimensions Input Junction Box Installation OptionalInput/output conduit plate specifications Input junction box terminal wire size rangeControl Wiring Connections System GroundingRemote source selection terminal block Remote Source Selection WiringPower Supply Contact ConnectionOptions Programmable Relay BoardOptimized Transfer Programmable relay board pinoutComms Board Input Contact Isolator BoardInternal Modem LED Display Key Lockout SwitchNetwork Interface Card NIC Remote Source SelectionSeismic Floor Anchors Input Junction Boxes and CablesSeismic Floor Stand Drawing 100 250 amp STS2 Static Transfer SwitchDrawings Detail aSide View Amp STS2 Outline drawing 800Front View Side View Switch option 400 600 AMP with KEY Lockout Switch OptionKey lockout switch option Amp STS2 withSeismic anchor Drawing 100 250 amp STS2Seismic anchor drawing 400 600 amp STS2 Front System Seismic ANCHORING, FigureElectrical field connections Drawing 100 250 amp STS2 with single output breaker100 250 amp STS2 with dual output breakers Electrical field connections drawingDrawing 400 600 amp STS2 with single output breaker Ground BUS INPUT/OUTPUT BUS Front View Right Side ViewDrawing 400 600 amp STS2 with dual output breakers Electrical field connections Drawing 800 1000 amp STS2 with single output breakerPS212801 Rev Static Transfer Switch 2, Molded Case Breaker Schedule Control connection location diagram 100 600 amp STS2 See Option Location DetailControl connection location diagram 800 1000 amp STS2 Front View with Front Door Removed Option Location DetailSelection option WiringFor SourceJ73 J71J72 J743 4 5 6 7 8 9 10 1112 13 14 15 No Customer ConnectionSitescan For internal modem wiringSee Detail B J1A Detail a RJ-11 Connector J1A See Detail aControl wiring for the network interface card NIC option TB2Control wiring for the RS-232 port LCD DisplayFor input junction box Input Junction BOXScreen ColorTouch DisplayLED display Installation drawing, seismic floor stand 100-250A Installation StandPS215002 Rev PS215003 Rev Hardware Torque Chart Height TablePS216001 Rev PS216002 Rev PS216003 Rev Installation drawing, seismic floor 800Drawing TOP View of Floor Stand With Lower Rear Mounting BracketFront Right Isometric View Rear Right Isometric View Right Side ViewFront View Side ViewRight ViewIntroduction to STS2 Operations System DescriptionRedundancy Modes of Operation Operator Controls BypassGeneral Description Theory of OperationDetailed Component Description Circuit Breakers HardwareFirmware SCRsLogic Modules Audible Alarm6 RS-232 Port Operating Instructions for the Touch Screen Interface Normal System Turn-On Settings on Manual Transfer / Preferred Source SelectionEnabling Remote Source Selection Maintenance BypassTo manually select the preferred source Viewing Slot for the Source 2 Gate Drive Board Touch Screen Viewing Slot for the Source 1 Gate Drive BoardTo bypass the switch for Source Bypass Procedures for SourceTo return to the normal mode To return to normal mode Shutdown in Static Transfer Switch ModeShutdown in Maintenance Bypass Mode Normal System ShutdownAlarm and Faults Event MaskEvent 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 Using the RS-232 Port Communication InterfacesTerminal Commands Connecting and Using a TerminalKeys Function Groups Parameter Configuring the STS2 via the TerminalItem Parameter Value Parameter Group settings and valuesValue types User Event MaskOptions1 Setting Bitpacked Options with the TerminalComms Options Binary-Hexadecimal Conversions Critical Option EnablingNon-Critical Option Enab HexPutting the Terminal Command Together Setting Event Masks with the TerminalExamples of Event Mask Settings Display Overview 13.0 STS2 Touch Screen DisplayMenu Overview BackspaceTo set or reset the password Using the Optional Key Lockout SwitchUsing the Password Changes disabled Changes enabledEvent Display Mimic DisplayEvent Controls Menu barTo access the User Settings dialog box User SettingsTo set the event masks User settings dialog box Source Set PointsButton Range Default Comments To configure the set points for each sourceSet Point Parameters STS2 Touch Screen Display Comm Options System SettingsTo access the System Settings menu Option buttonsConfiguring the Modem To configure the modemConfiguring Pager Support Configuring the Input Contact Isolator SettingsTo configure the Input Contact Isolator relays Input contact isolator dialog boxStandard Settings for Programmable Relays Configuring the Programmable Relay Board SettingsRelay Setting Definition Configuring the Network Interface Card If the optional OpenComm NIC is installed in the STS2System Options SiteScan ConfigurationSaving Your Communications Configurations Dual Output BreakerWye Output Transformer Pole Transfer SwitchShunt Remote Source SelectionLogs To use the Event LogCleaning 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 ActionEvent Controls Key Lockout SwitchOperations Normal System Turn-OnManual Transfer / Preferred Source Selection Maintenance Bypass If transfer to Source 2 is not desiredIf transfer to Source 1 is not desired When the Static Transfer Switch is operating on bypass Normal System ShutdownFrequency System ConfigurationSpecifications Input/Output VoltageInput Surge Suppression GroundingElectrical Requirements Response TimeCastors, Leveling and Seismic Anchoring System ComponentsFrame and Enclosure CoolingDoors AccessCable Entrance Color Graphical Display or LED Display15.2.10Terminal Port Connections Pin Signal Name Function / Comments15.2.9 RS-232 Port MTA Plug Pinout15.2.11RS-232 Interface Parameters 15.2.12Maintenance BypassRS-232 Settings 15.2.13Fuseless DesignS2 SCR Short Event Message Help TextS1 SCR Short S1 SCR OpenS2 SCR Open 118 119 S1 Volt Sense Fail S2 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 S1 I-PEAK S2 I-PEAK129 CB5 S1 BYP Closed S1 Phase ROT Error S2 Phase ROT Error132 133 134 135 136 Proper Tightening of Nuts and Bolts Testing the STS2Maintenance Changing the Air FilterSupport Information Programmable Relay Board Settings Record ChannelChannel PRB Notes Input Contact Isolator Settings Record Maintenance 142 Page Locations Technical Support/ServiceCompany Behind the Products United States