S2 SCR Open | Liebert POWER PROTECTION STATIC TRANSFER SWITCH

Event Message Help Text

S2 SCR OPEN

Source 2 SCR Open.

One or more SCRs on Source 2 is open. Transferring between sources has been inhibited.

STS2 output has been transferred to Source 1.

Contact Liebert for technical support at 1-800-LIEBERT (800-543-2378).

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 and the system status surrounding it have been written to a History Log if the History Logs were not already full. This event was also written to the Event Log, if so configured.

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

PRIMARY FAN FAIL

Primary Fan Failure

One of the primary cooling fans for the STS2 has failed. The alternate fans are now running. The alternate fans are not monitored.

Contact Liebert for technical support at 1-800-LIEBERT (800-543-2378).

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.

CONTROL MODULE FAIL

Control logic module has failed.

One of the control modules on the control board has failed.

Contact Liebert for technical support at 1-800-LIEBERT (800-543-2378).

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 S2 SCR Open, Primary FAN Fail

Contents

Power Protection Static Transfer SwitchPage Table of Contents Operating Instructions for the Touch Screen Interface Alarm and FaultsTheory of Operation Operating the LED Display STS2 Communication Interfaces13.0 STS2 Touch Screen Display Event Message Help Text 17.0 Maintenance Specifications Figures Tables Important Safety Instructions Overview of Manual Safety Precautions Unpacking and Inspections External InspectionsUnloading and Handling Unit Preparation Internal InspectionsHandling Considerations Heat Output Recommended Minimum Service ClearancesOperating Environment Location Considerations Altitude Ambient Temperature MaxRating Altitude Feet Above Sea Level Leveling and Anchoring the Static Switch Using Floor Stand Leveling of the Static Switch Without AnchoringLeveling and Anchoring the Unit to the Floor Locating the STS2 Power and Control Wiring Input And Output Power Connections Input/output conduit plate specifications Input Junction Box Installation OptionalInput junction box dimensions Input junction box terminal wire size range System Grounding Control Wiring Connections Power Supply Remote Source Selection WiringRemote source selection terminal block Contact Connection Optimized Transfer Programmable Relay BoardOptions Programmable relay board pinout Internal Modem Input Contact Isolator BoardComms Board Network Interface Card NIC Key Lockout SwitchLED Display Remote Source Selection Seismic Floor Stand Input Junction Boxes and CablesSeismic Floor Anchors Drawings Static Transfer SwitchDrawing 100 250 amp STS2 Detail a Side View Outline drawing 800 Amp STS2 Front View Side View 400 600 AMP with KEY Lockout Switch Option Switch option Amp STS2 with Key lockout switch option Drawing 100 250 amp STS2 Seismic anchor Seismic anchor drawing 400 600 amp STS2 System Seismic ANCHORING, Figure Front Drawing 100 250 amp STS2 with single output breaker Electrical field connections Electrical field connections drawing 100 250 amp STS2 with dual output breakers Ground BUS INPUT/OUTPUT BUS Front View Right Side View Drawing 400 600 amp STS2 with single output breaker Drawing 400 600 amp STS2 with dual output breakers Drawing 800 1000 amp STS2 with single output breaker Electrical field connections PS212801 Rev Static Transfer Switch 2, Molded Case Breaker Schedule See Option Location Detail Control connection location diagram 100 600 amp STS2 Front View with Front Door Removed Option Location Detail Control connection location diagram 800 1000 amp STS2 For WiringSelection option Source J72 J71J73 J74 No Customer Connection 3 4 5 6 7 8 9 10 1112 13 14 15 See Detail B For internal modem wiringSitescan J1A See Detail a J1A Detail a RJ-11 Connector TB2 Control wiring for the network interface card NIC option LCD Display Control wiring for the RS-232 port Input Junction BOX For input junction box Touch ColorScreen Display LED display Installation drawing, seismic floor stand 100-250A Stand Installation PS215002 Rev PS215003 Rev Height Table Hardware Torque Chart PS216001 Rev PS216002 Rev PS216003 Rev 800 Installation drawing, seismic floor TOP View of Floor Stand With Lower Rear Mounting Bracket Drawing Right Side View Front Right Isometric View Rear Right Isometric View Right Side ViewFront View View Redundancy System DescriptionIntroduction to STS2 Operations Modes of Operation Bypass Operator Controls Theory of Operation General Description Detailed Component Description Firmware HardwareCircuit Breakers SCRs 6 RS-232 Port Audible AlarmLogic Modules Operating Instructions for the Touch Screen Interface Normal System Turn-On Manual Transfer / Preferred Source Selection Settings on To manually select the preferred source Maintenance BypassEnabling Remote Source Selection Touch Screen Viewing Slot for the Source 1 Gate Drive Board Viewing Slot for the Source 2 Gate Drive Board To return to the normal mode Bypass Procedures for SourceTo bypass the switch for Source Shutdown in Maintenance Bypass Mode Shutdown in Static Transfer Switch ModeTo return to normal mode Normal System Shutdown Event Mask Alarm and Faults History Log Event and History LogsEvent Log Alarm Notes Event Messages Alarm Message Description/Cause ActionList of Messages See Configuring the Input Contact Isolator Settings on Communication Interfaces Using the RS-232 Port Keys Function Connecting and Using a TerminalTerminal Commands Item Parameter Configuring the STS2 via the TerminalGroups Parameter Value types Group settings and valuesValue Parameter Event Mask User Comms Options Setting Bitpacked Options with the TerminalOptions1 Non-Critical Option Enab Critical Option EnablingBinary-Hexadecimal Conversions Hex Setting Event Masks with the Terminal Putting the Terminal Command Together Examples of Event Mask Settings 13.0 STS2 Touch Screen Display Display Overview Backspace Menu Overview Using the Password Using the Optional Key Lockout SwitchTo set or reset the password Changes disabled Changes enabled Event Controls Mimic DisplayEvent Display Menu bar To set the event masks User SettingsTo access the User Settings dialog box Source Set Points User settings dialog box Set Point Parameters To configure the set points for each sourceButton Range Default Comments STS2 Touch Screen Display To access the System Settings menu System SettingsComm Options Option buttons To configure the modem Configuring the Modem Configuring the Input Contact Isolator Settings Configuring Pager Support Input contact isolator dialog box To configure the Input Contact Isolator relays Relay Setting Definition Configuring the Programmable Relay Board SettingsStandard Settings for Programmable Relays If the optional OpenComm NIC is installed in the STS2 Configuring the Network Interface Card Saving Your Communications Configurations SiteScan ConfigurationSystem Options Dual Output Breaker Shunt Pole Transfer SwitchWye Output Transformer Remote Source Selection To use the Event Log Logs Cleaning the LCD Touch Screen Front Panel Controls LEDs and Buttons and Key Lockout SwitchOperating the LED Display STS2 LED and push button description SymbolLED and push button description Description Action Operations Key Lockout SwitchEvent Controls Normal System Turn-On Manual Transfer / Preferred Source Selection If transfer to Source 2 is not desired Maintenance Bypass If transfer to Source 1 is not desired Normal System Shutdown When the Static Transfer Switch is operating on bypass Specifications System ConfigurationFrequency Input/Output Voltage Electrical Requirements GroundingInput Surge Suppression Response Time Frame and Enclosure System ComponentsCastors, Leveling and Seismic Anchoring Cooling Cable Entrance AccessDoors Color Graphical Display or LED Display 15.2.9 RS-232 Port Pin Signal Name Function / Comments15.2.10Terminal Port Connections MTA Plug Pinout RS-232 Settings 15.2.12Maintenance Bypass15.2.11RS-232 Interface Parameters 15.2.13Fuseless Design S1 SCR Short Event Message Help TextS2 SCR Short S1 SCR Open S2 SCR Open 118 119 S2 Volt Sense Fail S1 Volt Sense Fail S1 Gate Drive Fail S1 Curr Sense FailS2 Curr Sense Fail S2 Gate Drive Fail Heat Sink Overtemp S1 OV S1 UVS1 UV RMS S2 UV S1 OF/UFS1 Fail S2 UF/OF S2 UV RMSS2 OV S2 Fail S2 I-PEAK S1 I-PEAK 129 CB5 S1 BYP Closed S2 Phase ROT Error S1 Phase ROT Error 132 133 134 135 136 Maintenance Testing the STS2Proper Tightening of Nuts and Bolts Changing the Air Filter Support Information Channel Programmable Relay Board Settings Record Channel PRB Notes Input Contact Isolator Settings Record Maintenance 142 Page Company Behind the Products Technical Support/ServiceLocations United States