Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Liebert Manuals
UPS
NX 30kVA
Installation manual
Liebert NX 30kVA Installation Manual
Nx series 208v, 60hz
Hide thumbs
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
page
of
68
Go
/
68
Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Important Safety Instructions
Glossary of Symbols
1 Installation
External Inspections
Internal Inspections
Storing for Delayed Installation
Preliminary Checks
Identification
UPS Location
1.4.1 Environmental Considerations
Mechanical Considerations
System Composition
10-30Kva UPS
Positioning the UPS
Clearances
Floor Installation
Cable Entry
Optional Cabinets
Figure 1 Cabinet Arrangement
2 Electrical
Lectrical Onnections
Power Cabling
Cable Rating
E Lectrical C Onnections
UPS Input Configuration
Cabling Guidelines
Figure 2 Single Module Block Diagram (Dual Input Configuration)
Cable Connections
Figure 3 Input Busbars
Figure 4 Battery Fuses and Connections
Safety Ground
Protective Devices
Figure 5 Ground and Neutral Busbar Connections
Cabling Procedure
Control Cables
Monitor Board Features
Figure 6 Monitor Board U2
Figure 7 Auxiliary Terminal Block Detail
Dry Contacts
Input Dry Contacts
Maintenance Bypass Cabinet Interface
Figure 8 Input Dry Contacts
Input Dry Contacts at X3
Table 2 Maintenance Bypass Cabinet Interface
BCB Box Interface
Figure 9 Output Dry Contacts and EPO Wiring
Output Dry Contacts
Output Dry Contact Relays
EPO Input-Optional
UPS Startup
Startup Procedure
Table 5 EPO Input Contact Relays
Switching the UPS from Normal to Maintenance Bypass
Powering down the UPS
3 Battery
Attery Nstallation
Introduction
Safety
UPS Batteries
Temperature Considerations
B Attery I Nstallation
Battery Protection
Battery Undervoltage Pre-Warning
Battery End-Of-Discharge (EOD) Protection
Battery Fuse-Blow Warning
External Battery Cabinet Installation
Fitting the Batteries
Connecting the Batteries
Figure 10 Narrow Battery Cabinet, 27 In. (690Mm) - Rear View
Figure 11 Wide Battery Cabinet, 57 In. (1488Mm) - Front View
Figure 12 Battery Cabinet-Details
Matching Battery Cabinets
Installation Considerations
Connecting the Battery Cabinet to the UPS
Figure 13 Battery Tray and Supports
Non-Standard Batteries
4 Maintenance
Aintenance Bypass Abinet
Bypass Switch
UPS Mode
Figure 14 Single UPS with External Maintenance Bypass Cabinet-Typical Configuration
M Aintenance B Ypass C Abinet
Bypass Mode
Maintenance Mode
Mounting the Cabinet
Cable Installation
Wiring Preparation
Figure 15 Maintenance Bypass Cabinet-Access Plate Removed
Power Cable Installation
Input/Output Wiring
Figure 16 Maintenance Bypass Cabinet Wiring Access Panel
Bolting Cabinets Together
Figure 17 Dry Contact for X3
Operating Procedures
Startup and Initialization
Shutting down the UPS
Transferring System from UPS to Maintenance Bypass Operation
Transfer the System from Maintenance Bypass to UPS Operation
Transfer the System from UPS Operation to Maintenance Bypass
Input and Output Transformer Voltages
5 Options
Dual Bus Synchronizer
Performance Requirements
DBS Cable and Settings
Figure 18 DBS Cable Connection
Configuring Parallel System Operation
General
Conditions for Parallel System
Features of Parallel System
Operating Principles
Operation Modes Summary
Figure 19 1+1 System Block Diagram
Intermodule Control
Installing Parallel System
Cabinet Installation
Preliminary Checks
Protective Devices
Power Cables
Parallel Control Cables
Commissioning a Parallel System
Figure 20 Connecting '1+1' System Parallel Control Cables
Table 6 Key to UPS Control Cable Connections
Parallel System Startup
Emergency Power off (EPO)
Battery Circuit Breaker Box
Figure 21 Connecting EPO Push Button
Table 7 Available Battery Circuit Breaker Boxes
Figure 22 Battery Circuit Breaker Box Connections
6 Specifications
Conformity and Standards
UPS Environmental
UPS Mechanical Characteristics
Table 8 Environmental Characteristics
Table 9 Mechanical Characteristics
UPS Electrical Characteristics
Battery Manufacturers and Models
Input Rectifier
DC Intermediate Circuit
Table 10 Approved Batteries
Table 11 Rectifier Input Power
Table 12 DC Intermediate Circuit
Inverter Output
Bypass Input
Table 13 Inverter Output
Table 14 Linear Load Derating
Table 15 Bypass Input
7 Installation Drawings
Figure 23 Dimensional View- Front and Left Side Views
Figure 24 Dimensions Continued-Top and Bottom Views
Figure 25 Main Components-Typical Unit
Figure 26 Cable Connections
Figure 27 Location of Internal Batteries
Figure 28 Battery Connections
Figure 29 Electrical Connections
Figure 30 Battery Cabinet Interconnection
Table 16 Liebert -Supplied Interconnect Wiring
Figure 31 Maintenance Bypass Interconnection
Table 17 Liebert-Supplied Interconnect Wiring for Maintenance Bypass Cabinet
8 Specifications and Technical Data
Lug Size and Torque Requirements
Table 18 Torque Specifications
Table 19 Battery Torque Rating
Table 20 UPS Terminal
Table 21 Maintenance Bypass Cabinet
Table 22 Maintenance Bypass Cabinet Lug Sizes
Cable Lengths: Floor to Connection Point Inside UPS
Table 23 Maintenance Bypass Cabinet Weights
Table 24 Maintenance Bypass Cabinet Dimensions
Table 25 Distance to Connection Points on the NX
Table 26 Battery Cabinet Physical Characteristics
Advertisement
Quick Links
Download this manual
P
A
OWER
VAILABILITY
NX™
I
M
NSTALLATION
ANUAL
10-30kVA
208V, 60Hz
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the NX 30kVA and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Liebert NX 30kVA
UPS Liebert NXC User Manual
10/15/20kva (56 pages)
UPS Liebert NX User Manual
40-200kva, 480v, 60hz (132 pages)
UPS Liebert NX User Manual
Nx ups 10-30kva, 400v, 50/60hz (88 pages)
UPS Liebert NXL Installation Manual
250-400kva, 60hz, three-phase, single-module (44 pages)
UPS Liebert NXL Installation Manual
Maintenance bypass cabinet (36 pages)
UPS Liebert NX series Operation & Maintenance Manual
10-30kva 208v, 60hz (44 pages)
UPS Liebert NX 10kVA Installation Manual
Nx series 208v, 60hz (68 pages)
UPS Liebert NX 15kVA Installation Manual
Nx series 208v, 60hz (68 pages)
UPS Liebert NX 20kVA Installation Manual
Nx series 208v, 60hz (68 pages)
UPS Liebert NXC 30kVA User Manual
(96 pages)
UPS Liebert Nfinity User Manual
Power system 220v / 230v / 240v 50/60 hz 4 to 16 kva (47 pages)
UPS Liebert Nfinity User Manual
3:1 power system. 380/400/415v 50/60hz 4 to 20 kva (56 pages)
UPS Liebert Nfinity User Manual
208/240v 60hz 4 to 16 kva (44 pages)
UPS Liebert Nfinity 208 V / 240 V 60Hz User Manual
Liebert corp power system user manual 208 v / 240 v 60hz (46 pages)
UPS Liebert 30-130kVA Operation And Maintenance Manual
30-130kva, 60hz, single module system (112 pages)
UPS Liebert Nfinity Extended Battery Cabinet User Manual
(18 pages)
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the NX 30kVA and is the answer not in the manual?
Questions and answers