Emerson Liebert NX User Manual Page 36
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Battery Installation
26 Liebert
®
NX
™
Figure 11 Battery tray and supports
4.3.4 Connecting the Battery Cabinet to the UPS
After the battery cabinet equipment has been positioned and secured for operation and the batteries
have been connected, connect the power cables as described below.
1. Verify that all incoming high and low voltage power circuits are de-energized and locked out or
tagged out before installing cables or making any electrical connections.
2. Remove the UPS front protective cover to gain access to the equipment ground busbar.
3. Connect the safety ground and any necessary bonding ground cables to the copper ground busbar.
(example: UPS located on the bottom of the equipment below the power connections).
All cabinets in the UPS system must be connected to the user's ground connection.
4. Connect the system battery cables. Be sure that the battery connections are made with the right
polarity, and tighten the connections to 44 lb-in. (5 N-m) (M6 Bolt). Do not close the battery circuit
breaker before the equipment has been commissioned.
5. Connect supplied auxiliary control cable to pins J10.2 and J10.3 on the U2 monitoring board (see
3.3 - Dry Contacts).
4.4 Non-Standard Batteries
When batteries other than a matching battery cabinet are used, a remote battery disconnect switch
with overcurrent protection is required per the National Electrical Code. Contact your local Emerson
sales representative about this option.
Install battery racks, cabinets and batteries in accordance with the manufacturer's instructions.
Verify that the battery area has adequate ventilation and battery operating temperature complies
with the manufacturer's specifications and with all applicable national and local codes.
If you have any questions concerning batteries, battery racks or accessories, contact Liebert Services
at 1-800-543-2378.
NOTE
The grounding bonding arrangement must be in accordance with the National Electrical Code
and all applicable local codes.
Slot in support
secured by screw-in
connector at corner
of battery tray...
... and notched end of
support slips into slot at
top corner of battery
compartment
- 2
- TABLE OF CONTENTS 3
- 7.0 LIEBERT BDC 4
- SAVE THESE INSTRUCTIONS 11
- 2Liebert 12
- Battery Cabinet Precautions 13
- 4Liebert 14
- GLOSSARY OF SYMBOLS 15
- 1.0 INTRODUCTION 16
- 2.0 INSTALLATION 17
- 2.3 Preliminary Checks 18
- 2.4 UPS Location 18
- Battery Location 19
- Final Position 19
- 2.6 Mechanical Considerations 20
- 2.6.4 Optional Cabinets 21
- Installation 22
- 12 Liebert 22
- 3.0 ELECTRICAL CONNECTIONS 23
- 3.1.2 UPS Input Configuration 24
- 3.1.3 Cabling Guidelines 24
- 3.1.4 Cable Connections 25
- 3.1.5 Safety Ground 25
- 3.1.6 Protective Devices 25
- 3.1.7 Cabling Procedure 26
- Common Input Connections 26
- Dual Input Connections 26
- Frequency Converter Mode 27
- 3.2 Control Cables 28
- 3.3 Dry Contacts 30
- 3.3.4 Output Dry Contacts 31
- EPO - NO 32
- EPO - NC 32
- 4.0 BATTERY INSTALLATION 33
- 4.3.1 Battery Cabinets 34
- 4.4 Non-Standard Batteries 36
- 4.5 BCB Shunt Trip 37
- 5.0 OPTIONS 38
- LBS Cable 39
- 5.2.1 General 40
- 480V, 3W 41
- System Input 41
- System Output 41
- 5.2.3 Operating Principles 42
- Redundancy Paralleling 42
- 5.2.4 Operation Modes Summary 42
- 5.3.2 Cabinet Installation 43
- 5.3.3 Preliminary Checks 43
- 5.3.4 Power Cables 43
- 5.3.5 Parallel Control Cables 43
- Auxiliary Dry Contact Cables 44
- 6.0 UPS SPECIFICATIONS 46
- Table 8 UPS terminal 47
- 6.4.1 Input Rectifier 48
- 6.4.2 DC Intermediate Circuit 49
- 6.4.3 Inverter Output 50
- 6.4.4 Bypass Input 50
- 7.2 Maintenance Mode 52
- 7.3 Locating the Cabinet 52
- 7.4 Cable Installation 52
- 7.4.3 Input/Output Wiring 53
- Isolation 55
- Transformer 55
- Wiring Legend 55
- 7.5 Bolting Cabinets Together 59
- 47" cabinet 60
- NSTALLATION DRAWINGS 61
- U3819205 62
- Source: U3819611, Rev. 0 63
- Source: U3819621, Rev. 1 64
- Installation Drawings 65
- 56 Liebert 66
- FRONT VIEW LEFT VIEW 67
- Front of UPS 68
- BOTTOM VIEW 68
- TOP VIEW 68
- DETAIL A 70
- (8.83") 71
- 62 Liebert 72
- DETAIL B 73
- 64 Liebert 74
- Detail B 75
- Top View 75
- (without BCB Cover Plate) 75
- Detail A 75
- Right Side 78
- 70 Liebert 80
- Without Covers 81
- 72 Liebert 82
- With Door Open 84
- Door Open 85
- 76 Liebert 86
- 9.0 OPERATION 87
- 9.1.1 Bypass Supplies 88
- 9.1.2 Operating Modes 88
- Normal Mode 88
- Battery Mode 88
- Bypass Mode 88
- Maintenance Mode 89
- Eco Mode 89
- 10.1 Operator Control Panel 90
- 10.2 Mimic Display Indicators 91
- 10.3 Control Buttons 92
- 10.4 Audible Buzzer 93
- 10.5 LCD Overview 93
- 10.6 Navigation Keys 94
- 10.7 UPS System Information 94
- 10.8 LCD Menus and Data Items 95
- Figure 58 Menu tree 96
- 10.9 Language Selection 98
- 10.10 Current Date and Time 98
- Figure 60 Set date and time 99
- 10.11 UPS Status Messages 100
- 10.12 Types of LCD Screens 101
- 10.12.3UPS Help Screen 102
- 10.12.4Screen Saver Window 102
- 10.13 Pop-Up Windows 103
- 11.0 OPERATING INSTRUCTIONS 104
- 11.2 UPS Startup 105
- F2 F4F1 F3 HELP 106
- Operating Instructions 107
- 98 Liebert 108
- 100 Liebert 110
- 11.7 Auto Restart 111
- 11.10 Battery Protection 112
- 11.13 Parallel System Startup 115
- 12.0 OPTIONS 116
- 12.1.5 Configuring Baud Rates 117
- Relay Card 118
- 12.3 Replacing Dust Filters 119
- 13.4 Battery Run Times 124
- 116 Liebert 126
- PPENDIX A-UPS STATUS MESSAGES 127
- Table 49 UPS status messages 128
- Technical Support / Service 132
- Locations 132
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