Emerson Liebert NX User Manual

Manufacturer
Type
Pages 84 Pages
Updated Sep 3, 2021
Category UPS

Table of Contents

  • SAVE THESE INSTRUCTIONS

    9
  • S INGLE M ODULE UPS I NSTALLATION

    11
  • Location

    12
  • Positioning

    13
  • Clearances

    14
  • External Battery

    15
  • Power Cables

    16
  • Cable Termination

    17
  • Control Cables and Communication

    18
  • Dry Contacts

    19
  • Maintenance Bypass Cabinet Interface

    20
  • Output Dry Contacts

    21
  • Emergency Power Off Input

    22
  • External Bypass Switch Interlock

    23
  • B ATTERY I NSTALLATION

    24
  • Battery Cabinet

    25
  • Dimensions

    26
  • Cable Entry

    27
  • Figure 9 Battery cabinet with fuse or optional circuit breaker locations

    28
  • Figure 10 Battery cabinet internal layout

    29
  • Battery Power Cables

    30
  • Fitting the Batteries

    31
  • Battery Control

    32
  • UPS M ULTI -M ODULE I NSTALLATION

    33
  • Paralleled UPS Modules

    34
  • External Protective Devices

    35
  • Control Cables

    36
  • Figure 18 Hot standby configuration

    37
  • Dual Bus System

    38
  • Control Wires

    39
  • I NSTALLATION D RAWINGS

    40
  • Figure 22 General arrangement—10-20kVA UPS module

    41
  • Figure 23 10-20kVA NX front view with doors open

    42
  • Figure 24 Location of parallel logic board M3

    43
  • Figure 25 Internal battery layout and connecting—12AH/12V

    44
  • Figure 27 Internal battery layout

    45
  • O PERATION

    46
  • Static Transfer Switch

    47
  • Redundant Control Power Supply Board

    48
  • Features of NX Multi-Module UPS Configurations

    49
  • Auto-Restart Mode

    50
  • Battery Management—Set During Commissioning

    51
  • O PERATING P ROCEDURES

    52
  • UPS Startup

    53
  • Verify Switching Between Operation Modes

    54
  • Switching the UPS from Normal to Maintenance Bypass

    55
  • Powering Down the UPS and Maintaining Power to Load

    56
  • Emergency Shutdown With EPO

    57
  • Language Selection

    58
  • Isolating One Module in a Multi-Module System

    59
  • Inserting One Module into a Multi-Module System

    60
  • O PERATOR C ONTROL P ANEL AND D ISPLAY

    61
  • Mimic Power Flow

    62
  • Direct Access Push Buttons (Keys)

    63
  • Figure 34 Menu tree

    64
  • Detailed Description of Menu Items

    65
  • All Status and Event Messages Displayed on the UPS Front Panel

    67
  • Prompt (Pop-Up) Windows

    71
  • Default Screen Saver

    72
  • O PTIONS —F OR A SSEMBLY I NSIDE THE UPS C ABINET

    73
  • Redundant Fan for Power Module

    74
  • OC Web Card - SNMP/HTTP Network Interface Card

    75
  • Relay Card

    76
  • Multiport-4 Card

    77
  • OC485 Web Card – Modbus, Jbus, IGM Net

    78
  • Configuring Baud Rates

    79
  • T ECHNICAL S PECIFICATIONS

    80
  • Table 34 Battery

    82

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