Vertiv Liebert STS2

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Vertiv | Liebert STS2/PDU User Manual | Rev. 6 | 10/17 viii

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Important Safety Instructions11
Unpacking and Inspections13
Handling Considerations14
Location Considerations15
Altitude16
Locating the Liebert Sts2/Pdu17
Power and Control Wiring18
Figure 3 Typical Liebert STS2/PDU, One-Line Diagram19
Circuit Breakers20
System Grounding21
Remote Source Selection Wiring22
Output Power Wiring23
Options24
Input Contact Isolator Board25
Remote Source Selection26
Installation Drawings27
Figure 8 Outline Drawing, 250A Liebert STS2/PDU with Right Side I-Line Distribution28
Figure 9 Outline Drawing, 250A Liebert STS2/PDU with Right Side Inline Distribution29
Figure 10 Outline Drawing, 250A Liebert STS2/PDU with Left Side I-Line Distribution30
Figure 11 Outline Drawing, 250A Liebert STS2/PDU with Left Side Inline Distribution31
Figure 12 Outline Drawing,400-600A Liebert STS2/PDU with Right Side Inline Distribution32
Distribution33
Figure 14 Outline Drawing, 400-600A Liebert STS2/PDU with Left Side Inline Distribution34
Distribution35
Distribution36
Figure 17 Outline Drawing, 800A Liebert STS2/PDU with Right Side Inline Distribution37
Distribution38
Figure 19 Outline Drawing, 800A Liebert STS2/PDU with Left Side Inline Distribution39
Figure 20 Outline Drawing, 250A Liebert STS2/PDU with Key Lockout Switch Option40
Lockout Switch Option41
Switch Option42
Figure 23 Electrical Field Connections, 250A Liebert STS2/PDU Input/Output with CB843
Figure 24 Electrical Field Connections, 250A Liebert STS2/PDU Input with CB344
Figure 25 Electrical Field Connections, 250A Liebert STS2/PDU Input with CB3 & CB3A45
Figure 26 Electrical Field Connections, 400-600A Liebert STS2/PDU Input with CB346
Figure 27 Electrical Field Connections, 400-600A Liebert STS2/PDU Input with CB3 and CB3A47
Figure 28 Electrical Field Connections, 800A Liebert STS2/PDU Input with CB348
Figure 29 Electrical Field Connections, 800A Liebert STS2/PDU Input with CB3 and CB3A49
Figure 30 Electrical Field Connections, 250A Liebert STS2/PDU Output with Inline Panelboards50
Figure 31 Electrical Field Connections, 400-800A Liebert STS2/PDU Output with Inline Panelboards51
Figure 32 Electrical Field Connections, Liebert STS2/PDU Output with I-Line Panelboard52
Figure 33 Electrical Field Connections, 400-600A Liebert STS2/PDU with Right Side Output Breaker53
Figure 34 Electrical Field Connections, 400-600A Liebert STS2/PDU with Left Side Output Breaker54
Figure 35 Electrical Field Connections, 800A Liebert STS2/PDU with Right Side Output Breaker55
Figure 36 Electrical Field Connections, 8600A Liebert STS2/PDU with Left Side Output Breaker56
Figure 37 Electrical Field Connections, 800A Liebert STS2/PDU Interconnect Wiring57
Figure 38 Electrical Field Connections, 800A Liebert STS2/PDU Interconnect Wiring, Breaker Section58
Figure 39 Electrical Field Connections, 800A Liebert STS2/PDU Interconnect Wiring, STS Section59
Distribution Cabinet60
Figure 41 Electrical Field Connections, 800A Liebert STS2/PDU Interconnect Wiring, Left Side One-Line61
With CB3A62
One-Line63
One-Line with CB3A64
Figure 45 Control Wiring, 800A Liebert STS2/PDU, Left Side Distribution65
Figure 46 Control Wiring, 800A Liebert STS2/PDU, Right Side Distribution66
Figure 47 Control Connection Location, 250A Liebert STS2/PDU67
Figure 48 Control Connection Location, 400-800A Liebert STS2/PDU68
Figure 49 Control Location Drawing Conduit Box, Top Entry, 400-600A Liebert STS2/PDU69
Figure 50 Control Wiring for the Programmable Relay Board Option70
Figure 51 Control Wiring for the Input Contact Isolator Board Option71
Figure 52 Control Wiring for Comms Board72
Figure 54 Control Wiring for the RS-232 Port74
Figure 55 Control Wiring for Remote Source Selection Option75
Figure 56 Color LCD Touchscreen76
Table 10 Input Circuit Breaker Schedule, 250-800A77
Introduction to Liebert Sts2/Pdu Operation78
Reliability and Agency Requirements79
Transfer80
Theory of Operation81
Emergency Transfer82
Circuit Breakers and Non-Automatic Circuit Breakers83
Audible Alarm84
Operating Instructions85
Normal System Turn-On86
Manual Transfer / Preferred Source Selection87
Enabling Remote Source Selection88
Bypass Procedures for Source 189
Bypass Procedures for Source 290
Normal System Shutdown91
Alarms and Faults92
Event and History Logs93
Alarm Notes94
Communication Interfaces97
Using the RS-232 Port98
Configuring the Liebert STS2/PDU Via the Terminal99
Table 15 Value Types100
Setting Bitpacked Options with the Terminal102
Table 17 Binary-Hexadecimal Conversions103
Setting Event Masks with the Terminal104
Touchscreen Display106
Menu Overview107
Security108
MIMIC Display109
Figure 65 Event Mask Dialog Box110
Figure 66 User Settings Dialog Box111
Figure 67 Source Setpoints112
Table 18 Setpoint Parameters113
Figure 68 PDU Setpoints114
Figure 69 Comm Options Dialog Box115
Figure 70 Modem Dialog Box116
Figure 71 Input Contact Isolator Dialog Box118
Table 20 Standard Settings for Programmable Relays119
Figure 72 Programmable Relay Board Dialog Box120
Figure 73 System Options121
Figure 74 PDU Options Button122
Logs123
Source Transfers124
Specifications125
Grounding126
System Components127
Access128
Color Graphical Display129
RS-232 Interface Parameters130
Event Message Help Text131
Maintenance155
Customer Settings156
Input Contact Isolator Settings158

Vertiv Liebert STS2 - Page 10

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