Main
Page
TABLE OF CONTENTS
10.0 OPERATING INSTRUCTIONS FOR THE TOUCH SCREEN INTERFACE. . . . . . . . . . . . . . . . . . . .64
Page
Page
FIGURES
TABL ES
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
OVERVIEW OF MANUAL
1.0 SAFETY PRECAUTIONS
2.0 UNPACKING AND INSPECTIONS
2.1 External Inspections
2.2 Unloading and Handling
2.2.1 Handling Considerations
2.2.2 Unit Preparation
2.3 Internal Inspections
3.0 LOCATION CONSIDERATIONS
3.1 Recommended Minimum Service Clearances
3.2 Heat Output
3.3 Operating Environment
3.4 Altitude
Ratin g (%)
Altitude, Feet (M) Above Sea Level
Maximum Amb ient Temperature, F (C) Altitude, Feet (M) Above Sea Level
4.0 LOCATING THE LIEBERT STS2
4.1 Leveling and Anchoring the Unit to the Floor
4.2 Leveling of the Static Switch Without Anchoring
4.3 Leveling and Anchoring the Static Switch Using Floor Stand
5.0 POWER AND CONTROL WIRING
5.1 Input And Output Power Connections
5.2 Input Junction Box InstallationOptional
Page
5.3 System Grounding
5.4 Control Wiring Connections
5.5 Remote Source Selection Wiring
5.6 Power Supply
6.0 O
6.1 Programmable Relay Board
6.2 Optimized Transfer
6.3 Distribution Cabinet With I-Line Panelboard100-600A Units Only
6.4 Input Contact Isolator Board
6.5 Comms Board
6.6 Liebert IntelliSlot SNMP/Web/Modbus 485 Card
6.7 LED Display
6.8 Remote Source Selection
6.9 Key Lockout Switch
6.10 Redundant Output Breaker
6.11 Transfer Inhibit
Page
7.0 INSTALLATION DRAWINGS
Figure 5 Outline drawing: 100 250 amp Liebert STS2
Page
Page
Figure 8 Outline drawing: 100 250amp Liebert STS2 with a key lockout switch option
PS211101 Rev. 02
Page
Page
Figure 11 Seismic anchor drawing: 100 250 amp Liebert STS2
SYSTEM SEISMIC ANCHORING, FIGURE 1
PS211105
(146 MM)
FRONT
(107 MM) (256 MM)
SYSTEM SEISMIC ANCHORING, FIGURE 1
5.75" (107 MM)
FRONT
4.2"
(146 MM)
SYSTEM SEISMIC ANCHORING, FIGURE 1
PS211805
FRONT
Rev. 0
FRONT VIEW
FRONT VIEW PEM NUT
(WITH FRONT PANELS REMOVED)
PS212100
RIGHT SIDE VIEW
Page
FRONT VIEW
PS212400
PEM NUT
SECTION A-A
(WITH FRONT PANELS REMOVED)
Page
SECTION A-A
PS212800
ONE-LINE DIAGRAM
PEM NUT
RIGHT SIDE VIEW
Page
Figure 20 Liebert STS2 non-automatic circuit breaker schedule
Figure 21 Control connection location diagram: 100 600 amp Liebert STS2
FRONT VIEW WITH FRONT D OOR R EMOVED
CONTROL WIRING
Rev. 1
PS213000
OPTION LOCATION DETAIL
Figure 22 Control connection location diagram: 800 1000 amp Liebert STS2
CONTROL WIRING
PS213800
OPTION LOCATION DETAIL
FRONT VIEW WITH FRONT D OOR R EMOVE D
Rev. 1
Page
Page
Figure 25 Control wiring for the input contact isolator board option
NO CUSTOMER CONNECTION
INPUT CONTACT ISOLATOR BOARD 02-810012-XX
J51
PS213002 Rev. 03
Table J51
PS213003 Rev. 02
COMMS BOARD 02-810015-XX
Figure 27 Control wiring for the Liebert IntelliSlot SNMP/Web/Modbus 485 card
TB3
+-
Page
INPUT JUNCTION BOX
PS211005 Rev. 0
Page
Figure 31 LED display
!
PS211002 Rev. 0
Figure 32 Installation drawing, seismic floor stand 100-250A
PS215000 REV. NO. 0
100-250A STS2
A
SEISMIC FLOOR STAND
PS215001 Rev. 0
PS215002 Rev. 0.
Figure 35 Installation drawing, seismic floor stand 100-250A
Figure 36 Installation drawing, seismic floor stand 400-600A
PS216000 Rev.0
FRONT VIEW
BOTTOM VIEW
FOOT DETAIL A FOOT DETAIL B
PS216001 Rev. 0
PS216002 Rev. 0
Figure 39 Installation drawing, seismic floor stand 400-600A
PS216003 Rev. 0
Figure 40 Installation drawing, seismic floor stand 800-1000A
PS217000 Rev. 0
A
B
HARDWARE TORQUE CHART
523411G1 30.0" 31.25" 28.75"
Figure 41 Installation drawing, seismic floor stand 800-1000A
PS217001 Rev. 0
Page
Figure 43 Installation drawing, seismic floor stand 800-1000A
PS217003 Rev. 0
8.0 INTRODUCTION TO LIEBERT STS2 OPERATIONS
8.1 System Description
8.1.1 Redundancy
8.1.2 Reliability and Agency Requirements
8.1.3 Factory Backup and Service Assistance
8.2 Modes of Operation
8.2.1 Normal (Preferred Source)
8.2.2 Transfer
8.2.3 Transfer Inhibit
8.2.4 Bypass
8.3 Operator Controls
9.0 THEORY OF OPERATION
9.1 General Description
9.1.1 Liebert STS2 Static Transfer Switch
9.1.2 Source Transfer
9.1.3 Automatic Transfer/Retransfer
9.1.4 Emergency Transfer
9.1.5 Load Current Transfer Inhibit
9.1.6 SCR Failure
9.1.7 On/Off Sequence
9.2 Detailed Component Description
9.2.1 Controls Operator Interface
Hardware
Firmware
Page
10.0 OPERATING INSTRUCTIONS FOR THE TOUCH SCREEN INTERFACE
10.1 Normal System Startup
10.2 Manual Transfer / Preferred Source Selection
10.3 Enabling Remote Source Selection
10.4 Maintenance Bypass
Figure 47 Gate board viewing slot locations
10.4.1 Bypass Procedures for Source 1
10.4.2 Bypass Procedures for Source 2
10.5 Normal System Shutdown
10.5.1 Shutdown in Static Transfer Switch Mode
10.5.2 Shutdown in Maintenance Bypass Mode
11.0 ALARM AND FAULTS
11.1 Event Mask
11.2 Event and History Logs
11.2.1 Event Log
11.2.2 History Log
11.3 Alarm Notes
11.4 List of Messages
Table 8 Event messages
Table 8 Event messages (continued)
12.0 COMMUNICATION INTERFACES
12.1 Using the RS-232 Port
12.1.1 Connecting and Using a Terminal
12.1.2 Configuring the Liebert STS2 via the Terminal
Groups Parameter
Item Parameter
Value P arame ter
Table 11 shows the various groups, the settings contained within, and the type of value it requires.
Table 10 Value types
Table 11 Group settings and values
Table 11 Group settings and values (continued)
12.1.3 Setting Bitpacked Options with the Terminal
Page
Putting the Terminal Command Together
12.1.4 Setting Event Masks with the Terminal
Examples of Event Mask Settings
13.0 LIEBERT STS2 TOUCH SCREEN DISPLAY
13.1 Display Overview
13.2 Menu Overview
13.2.1 Security
Using the Optional Key Lockout Switch
Using the Password
13.3 Mimic Display
13.4 Event Controls
13.5 Event Display
13.6 Menu Bar
13.7 Configuration Menu
13.7.3 User Settings
Source Set Points
Page
Page
13.7.4 System Settings
13.8 Comm Options
13.8.1 Configuring the Modem
13.8.2 Configuring Pager Support
13.8.3 Configuring the Input Contact Isolator Settings
13.8.4 Configuring the Programmable Relay Board Settings
13.8.5 Configuring the Liebert IntelliSlot SNMP/Web/Modbus 485 Card
13.8.6 Liebert SiteScan Configuration
13.8.7 Saving Your Communications Configurations
13.9 System Options
Dual Output Breaker
PDU
4-Pole Transfer Switch
Shunt
13.10 System ID
13.11 Logs
13.11.1Event Log
13.11.2History Log
13.12 Source Transfers
13.13 Startup Procedure
13.14 Bypass Procedure
13.15 Help
13.16 Logo
14.0 OPERATING THE LIEBERT STS2 LED DISPLAY
14.1 LEDs and Buttons and Key Lockout Switch
14.1.1 Front Panel Controls
!
Rev. 0
14.1.2 LED and Push Button Description
14.1.3 Event Controls
14.1.4 Key Lockout Switch
14.2 Operations
14.2.1 Normal System Startup
14.2.2 Manual Transfer / Preferred Source Selection
14.2.3 Maintenance Bypass
Bypass Procedures for Source 1
Bypass Procedures for Source 2
14.2.4 Normal System Shutdown
Shutdown in Static Transfer Switch Mode
Shutdown in Maintenance Bypass Mode
15.0 S
15.1 System Configuration
15.1.1 Frequency
15.1.2 Input/Output Voltage
15.1.3 System Current Ratings
15.1.4 Grounding
15.1.5 Electrical Requirements
15.1.6 Input Surge Suppression
15.1.7 Response Time
15.1.8 Environmental Requirements
15.2 System Components
15.2.1 Frame and Enclosure
15.2.2 Casters, Leveling and Seismic Anchoring
15.2.3 Cooling
15.2.4 Access
15.2.5 Circuit Breakers
15.2.6 Cable Entrance
15.2.7 Doors
15.2.8 Color Graphical Display or LED Display
15.2.9 RS-232 Port
15.2.10 Terminal Port Connections
15.2.11 RS-232 Interface Parameters
15.2.12 Maintenance Bypass
15.2.13 Fuseless Design
15.2.14 Options
16.0 EVENT MESSAGE HELP TEXT
Key:
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
17.0 M
17.1 Proper Tightening of Nuts and Bolts
17.2 Testing the Liebert STS2
17.3 Changing the Air Filter
SUPPORT INFORMATION
PROGRAMMABLE RELAY BOARD SETTINGS RECORD
Page
I NPUT C ONTACT I SOLATOR S ETTINGS R
Page
Ensuring The High Availability Of Mission-Critical Data And Applications.