Emerson Liebert IntelliSlot IS-WEB485ADPT User Manual

AC PowerFor Business-Critical Continuity™Liebert® Static Transfer Switch 2™User Manual–100-1000A, 50/60Hz

2OVERVIEW OF MANUALThe Liebert STS2 Installation, Operation and Maintenance Manual is organized in a logical progres-sion so that you can follow the p

Liebert STS2 Touch Screen Display928. Select FREQUENCY TRIP POINT. A keypad is displayed.This choice verifies that the source is running at the proper

Liebert STS2 Touch Screen Display93System SettingsThe System Settings choice under the Config menu displays another pop-up menu with three choices:• C

Liebert STS2 Touch Screen Display94Configuring the ModemThe Modem dialog box allows you to configure the optional external modem that is connected to

Liebert STS2 Touch Screen Display959. Select INIT. STRING to configure the initialization string.This string configures the parameters of the modem.•

Liebert STS2 Touch Screen Display96These input alarms can also be configured to activate a programmable relay output, which is dis-cussed in Configuri

Liebert STS2 Touch Screen Display97Configuring the Programmable Relay Board SettingsThe Liebert STS2 can contain up to two Programmable Relay Boards (

Liebert STS2 Touch Screen Display98Figure 58 Programmable relay board dialog box2. Select your configuration settings.• Select STANDARD SET to use the

Liebert STS2 Touch Screen Display99Liebert SiteScan ConfigurationAn optional RS-422 port, contained in the Comms Board, can be installed in the static

Liebert STS2 Touch Screen Display1004-Pole Transfer SwitchThis selection is set at the factory to indicate whether the system is a 3-pole or 4-pole un

Liebert STS2 Touch Screen Display10113.6.2 LogsTwo types of logs are kept by the Liebert STS2: Event Log and History Log.Event LogThe Event Log tracks

Safety Precautions31.0 SAFETY PRECAUTIONSRead this manual thoroughly before working with the static transfer switch.Be sure to review the warning unde

Liebert STS2 Touch Screen Display102To use the History Log:1. Select LOGS from the menu bar to open the Logs menu.2. Select either HISTORY LOG 1 or HI

Operating the Liebert STS2 LED Display10314.0 OPERATING THE LIEBERT STS2 LED DISPLAYCertain models of the Liebert STS2 do not include the LCD Color Gr

Operating the Liebert STS2 LED Display10414.1.2 LED and Push Button DescriptionThe following table defines the LEDs and push buttons in the LED displa

Operating the Liebert STS2 LED Display10514.1.3 Event ControlsWhen an alarm is triggered, a red LED is lit in the control panel. A pair of buttons all

Operating the Liebert STS2 LED Display1065. Close CB2.The green LED for CB2 turns on.6. Verify that the preferred source LED (green) (LED_PREFx) is li

Operating the Liebert STS2 LED Display107To manually select the preferred source:1. Ensure that the Transfer Inhibit (NOXF) LED is not lit.If the Tran

Operating the Liebert STS2 LED Display10814.2.3 Maintenance BypassThe Liebert STS2 is equipped with two key-interlocked, bypass breakers, CB4 and CB5,

Operating the Liebert STS2 LED Display109Bypass Procedures for Source 2If transfer to Source 1 is not desired:1. Follow the instructions to transfer t

Operating the Liebert STS2 LED Display11014.2.4 Normal System ShutdownThe Liebert STS2 can be shut down from either the static switch mode or the bypa

Specifications11115.0 SPECIFICATIONSThis section provides the specifications for the Liebert STS2.15.1 System ConfigurationThe Liebert STS2 can be set

Unpacking and Inspections42.0 UNPACKING AND INSPECTIONSA high-quality installation begins on the receiving dock. The Liebert STS2 and its packaging sh

Specifications11215.1.4 GroundingRefer to 5.3 - System Grounding for specifications and instructions regarding grounding.15.1.5 Electrical Requirement

Specifications11315.2 System ComponentsAll Liebert STS2 models provide two static transfer switches within one enclosure, with the ability to transfer

Specifications11415.2.4 AccessThe Liebert STS2 is designed so all repairs and maintenance can be done from the front or top of the unit. All component

Specifications11515.2.9 RS-232 PortThe unit is equipped with an RS-232 port for connecting a terminal or PC. See Figure 28 for the port’s location. Se

Specifications11615.2.11 RS-232 Interface ParametersThe service terminal interface parameters are the following settings and cannot be changed.15.2.12

Event Message Help Text11716.0 EVENT MESSAGE HELP TEXTKey:ALL CAPS = event message displayed in the Event Display panel in the lower left corner of th

Event Message Help Text118S2 SCR OPENSource 2 SCR Open.One or more SCRs on Source 2 is open. Transferring between sources has been inhibited.Liebert S

Event Message Help Text119PWR SPLY DC A FAILPower Supply DC Bus A FailedThe primary power supply is no longer providing DC power to the control board

Event Message Help Text120PWR SPLY S2 AC FAILPower Supply Source 2 AC FailedThe AC input power to the power supplies from Source 2 has failed. The pow

Event Message Help Text121S1 VOLT SENSE FAILSource 1 Voltage Sense Module FailedThe module contained on the snubber monitoring the input voltage from

Unpacking and Inspections52.2.1 Handling ConsiderationsThe static switch is bolted to a wooden shipping pallet to allow handling by forklift equipment

Event Message Help Text122S2 SCR SENSE FAILSource 2 SCR Sense Module FailedThe module contained on the snubber monitoring the SCRs for Source 2 has fa

Event Message Help Text123S2 GATE DRIVE FAILSource 1 Gate Drive FailureThe gate drive module for an SCR for Source 2 has failed. This module is contai

Event Message Help Text124CB1 SHUNT TRIP FAILCircuit Breaker 1 Shunt Trip FailureCircuit Breaker 1 failed to trip open when the control issued a comma

Event Message Help Text125S1 UVSource 1 Under Voltage (fast detection). The input voltage from Source 1 dropped below a set percentage of the nominal

Event Message Help Text126S1 OF/UFSource 1 Over Frequency/Under FrequencyThe frequency for Source 1 is running outside the acceptable operating range,

Event Message Help Text127S2 UV (RMS)Source 2 Under Voltage (slow detection). The input voltage from Source 2 remained below a set percentage of the n

Event Message Help Text128S2 FAILSource 2 FailureSource 2 has failed due to under voltage (UV), over voltage (OV), or running with an over or under fr

Event Message Help Text129S1 I-PEAKCurrent Peak on Source 1The peak current from Source 1 has exceeded the set point as defined in the I-PK Xfer Locko

Event Message Help Text130LOAD ON ALT SOURCELiebert STS2 load on the alternate source.The static transfer switch is running on the alternate power sou

Event Message Help Text131CB2 (S2) OPENCircuit Breaker 2 (for Source 2) OpenCircuit Breaker 2 is not closed. CB1 is only assigned to Source 2.Check th

Location Considerations63.0 LOCATION CONSIDERATIONS The Liebert STS2 should be placed in a clean, cool and dry location. The Liebert STS2 requires onl

Event Message Help Text132If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and

Event Message Help Text133TRANSFER INHIBITEDTransfer InhibitedUninterrupted transfer between sources is inhibited due to input source failure, sources

Event Message Help Text134INPUT CONTACT #2Input Contact Isolator #2Occurrence of the indicated external event has been detected by Input Contact Isola

Event Message Help Text135INPUT CONTACT #6Input Contact Isolator #6Occurrence of the indicated external event has been detected by Input Contact Isola

Event Message Help Text136CONFIG MODIFIEDConfiguration ModifiedA set point has been updated and saved.Press SILENCE on the touch screen to turn off th

Event Message Help Text137EVENT LOG CLEAREDEvent Log ClearedAll past alarms and faults are no longer recorded in the system’s event log.Press SILENCE

Maintenance13817.0 MAINTENANCEMinimal periodic maintenance of the Liebert STS2 is required. As with all electrical distribution com-ponents, the syste

Maintenance139SUPPORT INFORMATIONTo contact Emerson Network Power Liebert Services for information or repair service in the United States, call 1-800-

Maintenance140PROGRAMMABLE RELAY BOARD SETTINGS RECORDThe optional Programmable Relay Board (PRB) has eight channels to report events to an external d

Maintenance141Channel 8:Channel 9:Channel 10:PRB Notes:

Location Considerations73.4 AltitudeThe standard units are designed for full load operation up to 4000 feet (1200 m) above sea level. See Figure 1 for

Maintenance142INPUT CONTACT ISOLATOR SETTINGS RECORDThe Input Contact Isolator board (ICI) provides an Liebert STS2 module interface for up to eight e

EmersonNetworkPower.comEnsuring The High Availability0f Mission-Critical Data And Applications.Emerson Network Power, the global leader in enabling bu

Locating the Liebert STS284.0 LOCATING THE LIEBERT STS2This section provides instructions for leveling the Liebert STS2 and anchoring the unit to the

Power and Control Wiring95.0 POWER AND CONTROL WIRINGAll power and control wiring should be installed by a qualified electrician. All power and contro

Power and Control Wiring10Figure 3 Typical static transfer switch one-line diagramThe input and output power wire size should be based on the upstream

Power and Control Wiring11For preparation purposes, the following tables provide the dimensions and wire sizes for the input junction boxes. Table 3 I

Power and Control Wiring125.3 System GroundingEquipment grounding — Grounding is primarily for equipment and personnel safety, although proper groundi

Power and Control Wiring135.5 Remote Source Selection WiringAn optional Remote Source Selection board may be installed in your Liebert STS2. This boar

Options146.0 OPTIONSThis section discusses the options available for the Liebert STS2. The communications options are also discussed in 12.0 - Communi

Options156.3 Distribution Cabinet With I-Line Panelboard—100-600A Units OnlyA distribution cabinet with a Square D I-Line panelboard offers space to p

Options166.7 LED DisplayA light-emitting diode display is available to replace the standard liquid crystal display touch screen control. The display p

Options176.11 Input Junction Boxes and CablesTwo input power junction boxes and interconnecting cables provide under floor connection for the two inpu

Installation Drawings187.0 INSTALLATION DRAWINGSFigure 5 Outline drawing: 100 – 250 amp Liebert STS2PS211100Rev. 03Notes: 1. All dimensions are in in

Installation Drawings19Figure 6 Outline drawing: 400 – 600 amp Liebert STS2PS211400Rev. 02

Installation Drawings20Figure 7 Outline drawing: 800 – 1000 amp Liebert STS2PS211800Rev. 02

Installation Drawings21Figure 8 Outline drawing: 100 – 250amp Liebert STS2 with a key lockout switch optionPS211101Rev. 02Notes: 1. All dimensions ar

iTABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1OVERVI

Installation Drawings22Figure 9 Outline drawing: 400 – 600 amp Liebert STS2 with a key lockout switch optionPS211401Rev. 02

Installation Drawings23Figure 10 Outline drawing: 800 – 1000 amp Liebert STS2 with the key lockout switch optionPS211801Rev. 02

Installation Drawings24Figure 11 Seismic anchor drawing: 100 – 250 amp Liebert STS2PS211105Rev. 05. MOVE CABINET INTO POSITION WITH REAR TABS INTO SLO

Installation Drawings25Figure 12 Seismic anchor drawing: 400 – 600 amp Liebert STS25. MOVE CABINET INTO POSITION WITH REAR TABS INTO SLOTS OFFLOOR BRA

Installation Drawings26Figure 13 Seismic anchor drawing: 800 – 1000 amp Liebert STS25. MOVE CABINET INTO P OSITION W ITH REAR TABS INTO S LOT

Installation Drawings27Figure 14 Electrical field connections drawing: 100 – 250 amp Liebert STS2 with single output breakerPS212100Rev. 3FRONT VIEW1.

Installation Drawings28Figure 15 Electrical field connections drawing: 100 – 250 amp Liebert STS2 with dual output breakersPS212101Rev. 04

Installation Drawings29Figure 16 Electrical field connections drawing: 400 – 600 amp Liebert STS2 with single output breakerPS212400Rev. 2CB1CB4GROUND

Installation Drawings30Figure 17 Electrical field connections drawing: 400 – 600 amp Liebert STS2 with dual output breakersPS212401Rev. 03

Installation Drawings31Figure 18 Electrical field connections drawing: 800 – 1000 amp Liebert STS2 with single output breakerSECTION A-ASIDE VIEW(WITH

ii7.0 INSTALLATION DRAWINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188.0 INTRODUCTION TO LIEB

Installation Drawings32Figure 19 Electrical field connections: 800 – 1000 amp Liebert STS2 with dual output breakersPS212801Rev. 03

Installation Drawings33Figure 20 Liebert STS2 non-automatic circuit breaker scheduleLiebert STS2AmpereRating, A Vendor Type Ampacity, A VoltageWithsta

Installation Drawings34Figure 21 Control connection location diagram: 100 – 600 amp Liebert STS2NOTES : 1. TYPICAL OPTIONS ARE SHOWN. FRONT VIEW

Installation Drawings35Figure 22 Control connection location diagram: 800 – 1000 amp Liebert STS2PROGRAMMABLE RELAY SEE OPTION LOCATION DETAI

Installation Drawings36Figure 23 Control wiring for remote source selection option1 2 3 4 65See Note 1S2S1 GND GNDRemote Source SelectionPS213007Rev.

Installation Drawings37Figure 24 Control wiring for the programmable relay board optionPS213001Rev. 2PROGRAMMABLE RELAY BOARD8. ALL WIRING MUST BE IN

Installation Drawings38Figure 25 Control wiring for the input contact isolator board option1162345 7896151413121110J51“NO CUSTOMER CONNECTION”INPUT CO

Installation Drawings39Figure 26 Control wiring for comms boardEXTERNAL MODEMSEE DETAIL A“NO CUSTOMER CONNECTION”PS213003Rev. 02LIEBERTSITESCANSEE DET

Installation Drawings40Figure 27 Control wiring for the Liebert IntelliSlot Web/485 Card with Adapater+-123TB 3Notes:1. Wire size and type: 10/100 bas

Installation Drawings41Figure 28 Control wiring for the RS-232 portLCD D I SPLAYSee Detail AFront ViewUpper Half of UnitWith Door OpenPS213006Rev. 016

iii12.0 COMMUNICATION INTERFACES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7612.1 Using the RS-232 Por

Installation Drawings42Figure 29 Outline drawing for input junction boxGCBABDEHGDiameter holeACINPUT JUNCTION BOXLocation of Factory-Supplied Input P

Installation Drawings43Figure 30 Color LCD touch screen displayPREFERREDALTE RNA TERESET SIL ENCESI SCR SHORTS2 SCR SHORTS1 SCR OPENS2 SCR OPENHEATSIN

Installation Drawings44Figure 31 LED display433A(B)2(D)(F)5(J)(H)(E)1(C)1(A)(K) (M)!(N)PS211002Rev. 02(L)(G)Symbol LED DescriptionA Green Source 1 Pow

Installation Drawings45Figure 32 Installation drawing, seismic floor stand 100-250AINSTALLATION DRAWING FORSEISMIC FLOOR STAND100-250A STS2 INSTALLATI

Installation Drawings46Figure 33 Installation drawing, seismic floor stand 100-250AFRONTFRONTREARREARFRONTLEVELER FOOTDETAIL C(3 PLACES)CAP SCREW M12-

Installation Drawings47Figure 34 Installation drawing, seismic floor stand 100-250AA2 PLACESDETAIL AREAR UPPER STS2 BRACKETREAR LOWER STS2 BRACKETUPPE

Installation Drawings48Figure 35 Installation drawing, seismic floor stand 100-250ANOTE:SEE DWGS PS215000, PS215001, AND PS215002FOR DETAILS.30.0"

Installation Drawings49Figure 36 Installation drawing, seismic floor stand 400-600AABOTTOM VIEWFRONT VIEWSEEHEIGHTTABLEBINSTALLATION NOTES:1. CHECK AL

Installation Drawings50Figure 37 Installation drawing, seismic floor stand 400-600AFRONTFRONTREARREARFRONTLEVELER FOOTDETAIL C(3 PLACES)CAP SCREW M12-

Installation Drawings51Figure 38 Installation drawing, seismic floor stand 400-600AA2 PLACESDETAIL AREAR UPPER STS2 BRACKETREAR LOWER STS2 BRACKETUPPE

iv15.2 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11315.2.1 Fr

Installation Drawings52Figure 39 Installation drawing, seismic floor stand 400-600ANOTE:SEE DWGS PS216000, PS216001, AND PS216002FOR DETAILS.38"7

Installation Drawings53Figure 40 Installation drawing, seismic floor stand 800-1000AABTOP VIEWFRONT VIEWBOTTOM VIEWISOMETRIC VIEW 36.9"83.9"

Installation Drawings54Figure 41 Installation drawing, seismic floor stand 800-1000AFRONTFRONTREARREARFRONTLEVELER FOOTDETAIL C(3 PLACES)CAP SCREW M12

Installation Drawings55Figure 42 Installation drawing, seismic floor stand 800-1000ARIGHT REAR UPPER STS2 BRACKETRIGHT REAR LOWER STS2 BRACKETUPPER RE

Installation Drawings56Figure 43 Installation drawing, seismic floor stand 800-1000ANOTE:SEE DWGS PS217000, PS217001, AND PS217002FOR DETAILS.84"

Introduction to Liebert STS2 Operations578.0 INTRODUCTION TO LIEBERT STS2 OPERATIONS8.1 System DescriptionA Liebert STS2 provides an automatic, seamle

Introduction to Liebert STS2 Operations588.1.2 Reliability and Agency RequirementsThe Liebert STS2 is designed for high reliability and high availabil

Introduction to Liebert STS2 Operations598.2.4 BypassThe static transfer switch can be manually bypassed to allow the power from a source to directly

Theory of Operation609.0 THEORY OF OPERATION9.1 General DescriptionThe Liebert STS2 contains all the equipment necessary to prevent an interruption in

Theory of Operation619.1.4 Emergency TransferTo ensure that power remains connected to the load, the Liebert STS2 automatically performs an emergency

vFIGURESFigure 1 Recommended derating for high altitude operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Figure 2

Theory of Operation62Hardware• The Liebert STS2 operator interface in the Color Graphical Display unit is designed to provide all of the information r

Theory of Operation639.2.4 Logic ModulesThe logic contains three separate redundant logic modules. The modules contain the logic necessary to run the

Operating Instructions for the Touch Screen Interface6410.0 OPERATING INSTRUCTIONS FOR THE TOUCH SCREEN INTERFACEAfter the initial equipment startup,

Operating Instructions for the Touch Screen Interface6510.1 Normal System Turn-On1. Ensure that all Liebert STS2 breakers—CB1, CB2, CB3, CB3A (if supp

Operating Instructions for the Touch Screen Interface6610.2 Manual Transfer / Preferred Source SelectionThe Source Transfer option (Source Xfers) in t

Operating Instructions for the Touch Screen Interface67To manually select the preferred source:1. Verify that the input breakers CB1 and CB2 are close

Operating Instructions for the Touch Screen Interface68Figure 47 Gate board viewing slot locationsIf the Color Graphical Display is not available, you

Operating Instructions for the Touch Screen Interface6910.4.1 Bypass Procedures for Source 1To bypass the switch for Source 1:1. Verify Source 1 is su

Operating Instructions for the Touch Screen Interface7010.4.2 Bypass Procedures for Source 2To bypass the switch for Source 2:1. Verify Source 2 is su

Alarm and Faults7111.0 ALARM AND FAULTSAlarms and faults are events that are triggered when the operation of the static transfer switch falls outside

viFigure 48 Liebert STS2 touch screen display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85Fi

Alarm and Faults7211.2 Event and History LogsThe system tracks events through the Events Log and tracks significant events through the History Logs. T

Alarm and Faults73The History Log has the following fields:• Replay Rate — indicates how long it takes for the replay to play. Use the UP and DOWN but

Alarm and Faults74.Table 8 Event messagesID Alarm Message Description/Cause Action001 S1 SCR SHORT One or more of the SCRs for Source 1 have shorted a

Alarm and Faults75084 CB1 (S1) OPEN Source 1, Circuit Breaker 1 is open. A, E085 CB2 (S2) OPEN Source 2, Circuit Breaker 2 is open. A, E086 CB4 (S1 BY

Communication Interfaces7612.0 COMMUNICATION INTERFACESThe Liebert STS2 monitoring system offers several choices for communications.The RS-232 termina

Communication Interfaces7712.1.1 Connecting and Using a TerminalAn RS-232 connection can be used to connect the Liebert STS2 to either a terminal or a

Communication Interfaces7812.1.2 Configuring the Liebert STS2 via the TerminalThe SPT command is used to configure the systems setpoints. The SVT synt

Communication Interfaces79Value ParameterItem settings, depending on what they are, use various value types. Table 10 provides a list of the possible

Communication Interfaces80Group 3: User Settings1SCR1 Fast Undervoltage SetpointInteger In % of nominal below nominal2SCR1 Slow Undervoltage SetpointI

Communication Interfaces8112.1.3 Setting Bitpacked Options with the TerminalFive sets of options and features settings are available through the termi

1IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important instructions that should be followed during the installation and m

Communication Interfaces82Critical Option Enablingbit0—EnableManual_IPeakResetbit1—EnableAutoRestart bit2 through bit15 - not used (set to 0)Non-Criti

Communication Interfaces83Putting the Terminal Command TogetherFor example, a unit only has the Remote Source Selection and Dual-Output Breaker option

Communication Interfaces84Examples of Event Mask Settings• To latch event #001, S1 SCR SHORT, use SPT 4 1 +L.• To disable event #128, CONFIG MODIFIED,

Liebert STS2 Touch Screen Display8513.0 LIEBERT STS2 TOUCH SCREEN DISPLAYThe Liebert STS2 can be configured with a Color Graphical LCD touch screen th

Liebert STS2 Touch Screen Display8613.2 Menu OverviewThe touch screen menu provides access to configuration settings and more device information.The C

Liebert STS2 Touch Screen Display8713.2.1 SecurityBecause the Liebert STS2 Color Graphical Display provides access to various configuration and mon-it

Liebert STS2 Touch Screen Display8813.3 Mimic DisplayThe Mimic display provides a color diagram of the operation of the Liebert STS2. This display imi

Liebert STS2 Touch Screen Display89To set the event masks:1. Access the Event Mask dialog box:a. Select CONFIG.b. Select EVENT MASK from the pop-up me

Liebert STS2 Touch Screen Display90Figure 53 User settings dialog boxSource Set PointsThe Source 1/2 Set Points allows you to configure trigger points

Liebert STS2 Touch Screen Display91To configure the setpoints for each source:1. Select SOURCE 1/2 Set Points from the User Settings dialog box.The So