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Liebert
POWER PROTECTION STATIC TRANSFER SWITCH
manual
Models:
POWER PROTECTION STATIC TRANSFER SWITCH
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Specs
Install
Hardware Torque Chart
Audible Alarm
Password
Alarm and Faults
Symbol
Power and Control Wiring
Dimension
Maintenance
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Contents
Power Protection
Static Transfer Switch
Page
Table of Contents
Theory of Operation
Alarm and Faults
Operating Instructions for the Touch Screen Interface
13.0 STS2 Touch Screen Display
Communication Interfaces
Operating the LED Display STS2
Event Message Help Text 17.0 Maintenance
Specifications
Figures
Tables
Important Safety Instructions
Overview of Manual
Safety Precautions
Unloading and Handling
External Inspections
Unpacking and Inspections
Handling Considerations
Internal Inspections
Unit Preparation
Location Considerations
Recommended Minimum Service Clearances
Heat Output
Operating Environment
Altitude Feet Above Sea Level
Ambient Temperature Max
Altitude
Rating
Locating the STS2
Leveling of the Static Switch Without Anchoring
Leveling and Anchoring the Static Switch Using Floor Stand
Leveling and Anchoring the Unit to the Floor
Power and Control Wiring
Input And Output Power Connections
Input junction box terminal wire size range
Input Junction Box Installation Optional
Input/output conduit plate specifications
Input junction box dimensions
System Grounding
Control Wiring Connections
Contact Connection
Remote Source Selection Wiring
Power Supply
Remote source selection terminal block
Programmable relay board pinout
Programmable Relay Board
Optimized Transfer
Options
Comms Board
Input Contact Isolator Board
Internal Modem
Remote Source Selection
Key Lockout Switch
Network Interface Card NIC
LED Display
Seismic Floor Anchors
Input Junction Boxes and Cables
Seismic Floor Stand
Detail a
Static Transfer Switch
Drawings
Drawing 100 250 amp STS2
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
Source
Wiring
For
Selection option
J74
J71
J72
J73
No Customer Connection
3 4 5 6 7 8 9 10 1112 13 14 15
Sitescan
For internal modem wiring
See Detail B
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
Display
Color
Touch
Screen
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
View
Side View
Right
Front View
Introduction to STS2 Operations
System Description
Redundancy
Modes of Operation
Bypass
Operator Controls
Theory of Operation
General Description
Detailed Component Description
SCRs
Hardware
Firmware
Circuit Breakers
Logic Modules
Audible Alarm
6 RS-232 Port
Operating Instructions for the Touch Screen Interface
Normal System Turn-On
Manual Transfer / Preferred Source Selection
Settings on
Enabling Remote Source Selection
Maintenance Bypass
To manually select the preferred source
Touch Screen Viewing Slot for the Source 1 Gate Drive Board
Viewing Slot for the Source 2 Gate Drive Board
To bypass the switch for Source
Bypass Procedures for Source
To return to the normal mode
Normal System Shutdown
Shutdown in Static Transfer Switch Mode
Shutdown in Maintenance Bypass Mode
To return to normal mode
Event Mask
Alarm and Faults
Event Log
Event and History Logs
History Log
Alarm Notes
List of Messages
Alarm Message Description/Cause Action
Event Messages
See Configuring the Input Contact Isolator Settings on
Communication Interfaces
Using the RS-232 Port
Terminal Commands
Connecting and Using a Terminal
Keys Function
Groups Parameter
Configuring the STS2 via the Terminal
Item Parameter
Value Parameter
Group settings and values
Value types
Event Mask
User
Options1
Setting Bitpacked Options with the Terminal
Comms Options
Hex
Critical Option Enabling
Non-Critical Option Enab
Binary-Hexadecimal Conversions
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
Changes disabled Changes enabled
Using the Optional Key Lockout Switch
Using the Password
To set or reset the password
Menu bar
Mimic Display
Event Controls
Event Display
To access the User Settings dialog box
User Settings
To set the event masks
Source Set Points
User settings dialog box
Button Range Default Comments
To configure the set points for each source
Set Point Parameters
STS2 Touch Screen Display
Option buttons
System Settings
To access the System Settings menu
Comm Options
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
Standard Settings for Programmable Relays
Configuring the Programmable Relay Board Settings
Relay Setting Definition
If the optional OpenComm NIC is installed in the STS2
Configuring the Network Interface Card
Dual Output Breaker
SiteScan Configuration
Saving Your Communications Configurations
System Options
Remote Source Selection
Pole Transfer Switch
Shunt
Wye Output Transformer
To use the Event Log
Logs
Cleaning the LCD Touch Screen
Operating the LED Display STS2
LEDs and Buttons and Key Lockout Switch
Front Panel Controls
Description Action
Symbol
LED and push button description
LED and push button description
Normal System Turn-On
Key Lockout Switch
Operations
Event Controls
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
Input/Output Voltage
System Configuration
Specifications
Frequency
Response Time
Grounding
Electrical Requirements
Input Surge Suppression
Cooling
System Components
Frame and Enclosure
Castors, Leveling and Seismic Anchoring
Color Graphical Display or LED Display
Access
Cable Entrance
Doors
MTA Plug Pinout
Pin Signal Name Function / Comments
15.2.9 RS-232 Port
15.2.10Terminal Port Connections
15.2.13Fuseless Design
15.2.12Maintenance Bypass
RS-232 Settings
15.2.11RS-232 Interface Parameters
S1 SCR Open
Event Message Help Text
S1 SCR Short
S2 SCR Short
S2 SCR Open
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S2 Volt Sense Fail
S1 Volt Sense Fail
S2 Curr Sense Fail
S1 Curr Sense Fail
S1 Gate Drive Fail
S2 Gate Drive Fail
Heat Sink Overtemp
S1 UV RMS
S1 UV
S1 OV
S1 Fail
S1 OF/UF
S2 UV
S2 OV
S2 UV RMS
S2 UF/OF
S2 Fail
S2 I-PEAK
S1 I-PEAK
129
CB5 S1 BYP Closed
S2 Phase ROT Error
S1 Phase ROT Error
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134
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136
Changing the Air Filter
Testing the STS2
Maintenance
Proper Tightening of Nuts and Bolts
Support Information
Channel
Programmable Relay Board Settings Record
Channel PRB Notes
Input Contact Isolator Settings Record
Maintenance 142
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