Liebert POWER PROTECTION STATIC TRANSFER SWITCH User Manual

Tatic, Ransfer, Witch

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P

OWER

P

ROTECTION

S

TATIC

T

RANSFER

S

WITCH

2

U

SER

M

ANUAL

100-1000 Amp

50-60 Hz

Table of contents

Document Outline

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
  - Table 1 Heat Output
- 3.3 Operating Environment
- 3.4 Altitude
4.0 Locating the 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
  - Figure 3 Typical static transfer switch one-line diagram
  - Table 3 Input/output conduit plate specifications
- 5.2 Input Junction Box Installation (Optional)
  - Table 4 Input junction box dimensions
  - Table 5 Input junction box terminal wire size range
- 5.3 System Grounding
  - Figure 4 Typical one-line diagram of two PDUs and a static transfer switch
- 5.4 Control Wiring Connections
- 5.5 Remote Source Selection Wiring
  - Table 6 Remote source selection terminal block
- 5.6 Power Supply
  - Table 7 Terminal block 1 and terminal block 2 wire connections
6.0 Options
- 6.1 Programmable Relay Board
  - Table 8 Programmable relay board pinout
- 6.2 Optimized Transfer
- 6.3 Distribution Cabinet With I-Line Panelboard-100-600A Units Only
- 6.4 Input Contact Isolator Board
- 6.5 Comms Board
- 6.6 Internal Modem
- 6.7 Network Interface Card (NIC)
- 6.8 LED Display
- 6.9 Remote Source Selection
- 6.10 Key Lockout Switch
- 6.11 Redundant Output Breaker
- 6.12 Input Junction Boxes and Cables
- 6.13 Seismic Floor Anchors
- 6.14 Seismic Floor Stand
7.0 Installation Drawings
- Figure 5 Outline drawing: 100 - 250 amp STS2
- Figure 6 Outline drawing: 400 - 600 amp STS2
- Figure 7 Outline drawing: 800 - 1000 amp STS2
- Figure 8 Outline drawing: 100 - 250amp STS2 with a key lockout switch option
- Figure 9 Outline drawing: 400 - 600 amp STS2 with a key lockout switch option
- Figure 10 Outline drawing: 800 - 1000 amp STS2 with the key lockout switch option
- Figure 11 Seismic anchor drawing: 100 - 250 amp STS2
- Figure 12 Seismic anchor drawing: 400 - 600 amp STS2
- Figure 13 Seismic anchor drawing: 800 - 1000 amp STS2
- Figure 14 Electrical field connections drawing: 100 - 250 amp STS2 with single output breaker
- Figure 15 Electrical field connections drawing: 100 - 250 amp STS2 with dual output breakers
- Figure 16 Electrical field connections drawing: 400 - 600 amp STS2 with single output breaker
- Figure 17 Electrical field connections drawing: 400 - 600 amp STS2 with dual output breakers
- Figure 18 Electrical field connections drawing: 800 - 1000 amp STS2 with single output breaker
- Figure 19 Electrical field connections: 800 - 1000 amp STS2 with dual output breakers
- Figure 20 Circuit breaker schedule
- Figure 21 Control connection location diagram: 100 - 600 amp STS2
- Figure 22 Control connection location diagram: 800 - 1000 amp STS2
- Figure 23 Control wiring for remote source selection option
- Figure 24 Control wiring for the programmable relay board option
- Figure 25 Control wiring for the input contact isolator board option
- Figure 26 Control wiring for comms board (see Figure 27 on page 39 for internal modem wiring)
- Figure 27 Control wiring for the internal modem option
- Figure 28 Control wiring for the network interface card (NIC) option
- Figure 29 Control wiring for the RS-232 port
- Figure 30 Outline drawing for input junction box
- Figure 31 Color LCD touch screen display
- Figure 32 LED display
- Figure 33 Installation drawing, seismic floor stand 100-250A
- Figure 34 Installation drawing, seismic floor stand 100-250A
- Figure 35 Installation drawing, seismic floor stand 100-250A
- Figure 36 Installation drawing, seismic floor stand 100-250A
- Figure 37 Installation drawing, seismic floor stand 400-600A
- Figure 38 Installation drawing, seismic floor stand 400-600A
- Figure 39 Installation drawing, seismic floor stand 400-600A
- Figure 40 Installation drawing, seismic floor stand 400-600A
- Figure 41 Installation drawing, seismic floor stand 800-1000A
- Figure 42 Installation drawing, seismic floor stand 800-1000A
- Figure 43 Installation drawing, seismic floor stand 800-1000A
- Figure 44 Installation drawing, seismic floor stand 800-1000A
8.0 Introduction to STS2 Operations
- 8.1 System Description
- 8.2 Modes of Operation
- 8.3 Operator Controls
  - Figure 45 STS2 touch screen display
9.0 Theory of Operation
- 9.1 General Description
- 9.2 Detailed Component Description
10.0 Operating Instructions for the Touch Screen Interface
- 10.1 Normal System Turn-On
  - Figure 46 STS2 touch screen display
- 10.2 Manual Transfer / Preferred Source Selection
  - Figure 47 Source transfer screen
- 10.3 Enabling Remote Source Selection
- 10.4 Maintenance Bypass
- 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 9 Event Messages
12.0 Communication Interfaces
- 12.1 Using the RS-232 Port
13.0 STS2 Touch Screen Display
- 13.1 Display Overview
  - Figure 49 STS2 touch screen display
- 13.2 Menu Overview
- 13.3 Mimic Display
- 13.4 Event Controls
- 13.5 Event Display
- 13.6 Menu bar
- 13.7 Cleaning the LCD Touch Screen
14.0 Operating the LED Display STS2
- 14.1 LEDs and Buttons and Key Lockout Switch
- 14.2 Operations
15.0 Specifications
- 15.1 System Configuration
- 15.2 System Components
16.0 Event Message Help Text
17.0 Maintenance
- 17.1 Proper Tightening of Nuts and Bolts
  - Table 25 Torque tightening
- 17.2 Testing the STS2
- 17.3 Changing the Air Filter
Support Information
Programmable Relay Board Settings Record
Input Contact Isolator Settings Record