Symmetra PX with MBwD250500 kW 400/480 V

Installation

Table of Contents

IMPORTANT SAFETY INSTRUCTIONS SAVE THESEINSTRUCTIONS................................................................................................................ 1

Symbols used ............................................................................................................... 1

Specifications ................................................................................................................... 2

Single Configurations ................................................................................................. 2Single Mains with MBwD ........................................................................................... 2Dual Mains with MBwD .............................................................................................. 2

AC Mains Input .............................................................................................................. 2

AC Bypass Input ........................................................................................................... 3

AC Output ....................................................................................................................... 3

Batter y Input .................................................................................................................. 3

Fuses, Breaker s, and Cables in the US.................................................................. 4Single Systems .......................................................................................................... 4Recommended Fuses, Breaker s, and Cable Sizes ..................................................... 4

Fuses, Breaker s, and Cables in Europe, Africa, and Asia ................................ 6

Required Breaker Settings for Input Overload and Shor t-Cir cuitProtection for Breaker s with Electr onic Trip Units ............................................. 7

Single Mains Installation (Common Mains and Bypass Input Breaker) ...................... 7Dual Mains Installation (Separate Mains and Bypass Breaker) .................................. 7

Torque Specifications ................................................................................................. 8

Connect the Power Cables ........................................................................................ 9

Overview of Cables ...................................................................................................... 9Single Mains .............................................................................................................. 9Dual Mains .................................................................................................................10Remote Batteries .......................................................................................................12

Prepare for cables ........................................................................................................13Top Cable Entr y .........................................................................................................13Bottom Cable Entr y ...................................................................................................14

Remove NEMA 2 Hole Pattern ..................................................................................15

Install the Terminal Bloc ks (Optional) ....................................................................15

Connect Input Cables, Bypass Cables, and PE/Equipment GroundingConductor ......................................................................................................................16

Single Mains System .................................................................................................16Dual Mains System ....................................................................................................16

9902746G-001 SymmetraPX with MBwD 250500kW 400/480V i

Connection of Bonding Jumper and Technical/System Earth .........................17Systems in the US .....................................................................................................17Systems in Europe, Africa, and Asia .........................................................................17Connect the Bonding Jumper ....................................................................................18Connect the Technical Earth ......................................................................................19

Connect Batter y Cables in Systems with Remote Batteries ............................20Connect Batter y Cables in Top Cable Entr y Systems ................................................20Connect Batter y Cables in Bottom Cable Entr y Systems ..........................................21

Comm unication Cables ..............................................................................................22EPO switc h wiring ......................................................................................................22For installations in the US and Canada ......................................................................22For installations in Europe .........................................................................................22Connect Comm unication Cables between Power Module andInput/Output/Bypass Enclosure in 250 kW systems .................................................23Connect Comm unication Cables between Power Module andInput/Output/Bypass Enclosures in 500 kW Systems ................................................24Run the Comm unication Cables ................................................................................25Connect the EPO and Output Disconnect Switc h ......................................................26Connect Comm unication Cables between the Input/Output/Bypass Enclosureand Batter y Enclosure ...............................................................................................27Connect Comm unication Cables between Batter y Enclosures ..................................28Connect Comm unication Cables between Input/Output/Bypass and Batter yBreaker Enclosure .....................................................................................................29Relay Inputs/Outputs .................................................................................................30

Installation of Breaker Adapter s and Circuit Breaker s .............................31

The Distrib ution Panel ................................................................................................31

The Breaker Adaptor s .................................................................................................31

Install the Breaker Adaptor s and Circuit Breaker s in the MBwD ....................32

Connect the Load to the Distrib ution Panel ..........................................................34

Installation of the Batter y Breaker Enclosure (Option) .............................35

BBE placed Line-up-and-matc h ...............................................................................35

BBE placed Remotel y in Top Cable Entr y Systems ............................................35

BBE placed Remotel y in Bottom Cable Entr y Systems .....................................36

Prepare BBE for Cables in Top Cable Entr y Systems ........................................36

Prepare BBE for Cables in Bottom Cable Entr y Systems .................................36

Connect Cables in Systems with Line-Up-and-Matc h BBE ..............................37

Connect Cables in Systems with Remote BBE ....................................................38

Connect BBE Comm unication Cables ....................................................................39

Install Seismic Option ..................................................................................................40

ii SymmetraPX with MBwD 250500kW 400/480V 9902746G-001

Replace the Side Panel Loc k ....................................................................................40

Install the Rear Anc horing Brac kets .......................................................................43

Install the Front Anc horing Brac ket ........................................................................44

Install the Top Assemb ly Brac ket ............................................................................44

Install the Assemb ly Brac ket between Input/Output/Bypass andMBwD ..............................................................................................................................45

Install the Door Hing e Loc k .......................................................................................46

Install the Batter y Loc ks ............................................................................................47

Install the Bypass Static Switc h Loc k ....................................................................47

Install the Filter Option in the Power Module Enclosure .........................48

9902746G-001 SymmetraPX with MBwD 250500kW 400/480V iii

iv SymmetraPX with MBwD 250500kW 400/480V 9902746G-001

IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS

WARNING: ALL safety instructions in the SafetySheet(990-2984)must be read,understoodand followed when installing the UPSsystem.Failur e to do socould resultin equipment damage,seriousinjury , or death.

Caution: All electricalpower andpower controlwiring mustbeinstalledby a qualifiedelectrician,andmustcomplywith local andnationalregulations.

This unit containscomponentsthataresensitive to elect