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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

Image 118

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 Maintenance Figures 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 Considerations Rating Ambient Temperature MaxAltitude Altitude Feet Above Sea Level Leveling and Anchoring the Unit to the Floor Leveling of the Static Switch Without AnchoringLeveling and Anchoring the Static Switch Using Floor Stand Locating the STS2 Input And Output Power Connections Power and Control Wiring Input junction box dimensions Input Junction Box Installation OptionalInput/output conduit plate specifications Input junction box terminal wire size range Control Wiring Connections System Grounding Remote source selection terminal block Remote Source Selection WiringPower Supply Contact Connection Options Programmable Relay BoardOptimized Transfer Programmable relay board pinout Comms Board Input Contact Isolator BoardInternal Modem LED Display Key Lockout SwitchNetwork Interface Card NIC Remote Source Selection Seismic Floor Anchors Input Junction Boxes and CablesSeismic Floor Stand Drawing 100 250 amp STS2 Static Transfer SwitchDrawings Detail a Side View Amp STS2 Outline drawing 800 Front View Side View Switch option 400 600 AMP with KEY Lockout Switch Option Key lockout switch option Amp STS2 with Seismic anchor Drawing 100 250 amp STS2 Seismic anchor drawing 400 600 amp STS2 Front System Seismic ANCHORING, Figure Electrical field connections Drawing 100 250 amp STS2 with single output breaker 100 250 amp STS2 with dual output breakers Electrical field connections drawing Drawing 400 600 amp STS2 with single output breaker Ground BUS INPUT/OUTPUT BUS Front View Right Side View Drawing 400 600 amp STS2 with dual output breakers Electrical field connections Drawing 800 1000 amp STS2 with single output breaker PS212801 Rev Static Transfer Switch 2, Molded Case Breaker Schedule Control connection location diagram 100 600 amp STS2 See Option Location Detail Control connection location diagram 800 1000 amp STS2 Front View with Front Door Removed Option Location Detail Selection option WiringFor Source J73 J71J72 J74 3 4 5 6 7 8 9 10 1112 13 14 15 No Customer Connection Sitescan For internal modem wiringSee Detail B J1A Detail a RJ-11 Connector J1A See Detail a Control wiring for the network interface card NIC option TB2 Control wiring for the RS-232 port LCD Display For input junction box Input Junction BOX Screen ColorTouch Display LED display Installation drawing, seismic floor stand 100-250A Installation Stand PS215002 Rev PS215003 Rev Hardware Torque Chart Height Table PS216001 Rev PS216002 Rev PS216003 Rev Installation drawing, seismic floor 800 Drawing TOP View of Floor Stand With Lower Rear Mounting Bracket Front Right Isometric View Rear Right Isometric View Right Side View Front View Side ViewRight View Introduction to STS2 Operations System DescriptionRedundancy Modes of Operation Operator Controls Bypass General Description Theory of Operation Detailed Component Description Circuit Breakers HardwareFirmware SCRs Logic Modules Audible Alarm6 RS-232 Port Operating Instructions for the Touch Screen Interface Normal System Turn-On Settings on Manual Transfer / Preferred Source Selection Enabling 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 Board To 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 Shutdown Alarm and Faults Event Mask Event 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 Interfaces Terminal 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 Mask Options1 Setting Bitpacked Options with the TerminalComms Options Binary-Hexadecimal Conversions Critical Option EnablingNon-Critical Option Enab Hex Putting the Terminal Command Together Setting Event Masks with the Terminal Examples of Event Mask Settings Display Overview 13.0 STS2 Touch Screen Display Menu Overview Backspace To set or reset the password Using the Optional Key Lockout SwitchUsing the Password Changes disabled Changes enabled Event Display Mimic DisplayEvent Controls Menu bar To access the User Settings dialog box User SettingsTo set the event masks User settings dialog box Source Set Points Button 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 buttons Configuring the Modem To configure the modem Configuring Pager Support Configuring the Input Contact Isolator Settings To configure the Input Contact Isolator relays Input contact isolator dialog box Standard 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 STS2 System Options SiteScan ConfigurationSaving Your Communications Configurations Dual Output Breaker Wye Output Transformer Pole Transfer SwitchShunt Remote Source Selection Logs To use the Event Log Cleaning 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 Action Event Controls Key Lockout SwitchOperations Normal System Turn-On Manual Transfer / Preferred Source Selection Maintenance Bypass If transfer to Source 2 is not desired If transfer to Source 1 is not desired When the Static Transfer Switch is operating on bypass Normal System Shutdown Frequency System ConfigurationSpecifications Input/Output Voltage Input Surge Suppression GroundingElectrical Requirements Response Time Castors, Leveling and Seismic Anchoring System ComponentsFrame and Enclosure Cooling Doors AccessCable Entrance Color Graphical Display or LED Display 15.2.10Terminal Port Connections Pin Signal Name Function / Comments15.2.9 RS-232 Port MTA Plug Pinout 15.2.11RS-232 Interface Parameters 15.2.12Maintenance BypassRS-232 Settings 15.2.13Fuseless Design S2 SCR Short Event Message Help TextS1 SCR Short S1 SCR Open S2 SCR Open 118 119 S1 Volt Sense Fail S2 Volt Sense Fail S2 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-PEAK 129 CB5 S1 BYP Closed S1 Phase ROT Error S2 Phase ROT Error 132 133 134 135 136 Proper Tightening of Nuts and Bolts Testing the STS2Maintenance Changing the Air Filter Support Information Programmable Relay Board Settings Record Channel Channel PRB Notes Input Contact Isolator Settings Record Maintenance 142 Page Locations Technical Support/ServiceCompany Behind the Products United States