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Liebert NX 30kVA Manuals
Manuals and User Guides for Liebert NX 30kVA. We have
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Liebert NX 30kVA manual available for free PDF download: Installation Manual
Liebert NX 30kVA Installation Manual (68 pages)
NX series 208V, 60Hz
Brand:
Liebert
| Category:
UPS
| Size: 4.92 MB
Table of Contents
Table of Contents
3
Important Safety Instructions
7
Glossary of Symbols
9
1 Installation
10
External Inspections
10
Internal Inspections
10
Storing for Delayed Installation
11
Preliminary Checks
11
Identification
11
UPS Location
11
1.4.1 Environmental Considerations
11
Mechanical Considerations
11
System Composition
12
10-30Kva UPS
12
Positioning the UPS
12
Clearances
13
Floor Installation
13
Cable Entry
13
Optional Cabinets
14
Figure 1 Cabinet Arrangement
14
2 Electrical
15
Lectrical Onnections
15
Power Cabling
15
Cable Rating
15
E Lectrical C Onnections
15
UPS Input Configuration
16
Cabling Guidelines
16
Figure 2 Single Module Block Diagram (Dual Input Configuration)
16
Cable Connections
17
Figure 3 Input Busbars
17
Figure 4 Battery Fuses and Connections
17
Safety Ground
18
Protective Devices
18
Figure 5 Ground and Neutral Busbar Connections
18
Cabling Procedure
19
Control Cables
20
Monitor Board Features
20
Figure 6 Monitor Board U2
20
Figure 7 Auxiliary Terminal Block Detail
20
Dry Contacts
21
Input Dry Contacts
21
Maintenance Bypass Cabinet Interface
21
Figure 8 Input Dry Contacts
21
Input Dry Contacts at X3
21
Table 2 Maintenance Bypass Cabinet Interface
21
BCB Box Interface
22
Figure 9 Output Dry Contacts and EPO Wiring
22
Output Dry Contacts
22
Output Dry Contact Relays
22
EPO Input-Optional
23
UPS Startup
23
Startup Procedure
23
Table 5 EPO Input Contact Relays
23
Switching the UPS from Normal to Maintenance Bypass
25
Powering down the UPS
25
3 Battery
26
Attery Nstallation
26
Introduction
26
Safety
26
UPS Batteries
26
Temperature Considerations
26
B Attery I Nstallation
26
Battery Protection
27
Battery Undervoltage Pre-Warning
27
Battery End-Of-Discharge (EOD) Protection
27
Battery Fuse-Blow Warning
27
External Battery Cabinet Installation
27
Fitting the Batteries
27
Connecting the Batteries
27
Figure 10 Narrow Battery Cabinet, 27 In. (690Mm) - Rear View
28
Figure 11 Wide Battery Cabinet, 57 In. (1488Mm) - Front View
28
Figure 12 Battery Cabinet-Details
29
Matching Battery Cabinets
30
Installation Considerations
30
Connecting the Battery Cabinet to the UPS
31
Figure 13 Battery Tray and Supports
31
Non-Standard Batteries
32
4 Maintenance
33
Aintenance Bypass Abinet
33
Bypass Switch
33
UPS Mode
33
Figure 14 Single UPS with External Maintenance Bypass Cabinet-Typical Configuration
33
M Aintenance B Ypass C Abinet
33
Bypass Mode
34
Maintenance Mode
34
Mounting the Cabinet
34
Cable Installation
34
Wiring Preparation
34
Figure 15 Maintenance Bypass Cabinet-Access Plate Removed
34
Power Cable Installation
35
Input/Output Wiring
35
Figure 16 Maintenance Bypass Cabinet Wiring Access Panel
35
Bolting Cabinets Together
36
Figure 17 Dry Contact for X3
36
Operating Procedures
37
Startup and Initialization
37
Shutting down the UPS
37
Transferring System from UPS to Maintenance Bypass Operation
37
Transfer the System from Maintenance Bypass to UPS Operation
37
Transfer the System from UPS Operation to Maintenance Bypass
37
Input and Output Transformer Voltages
38
5 Options
39
Dual Bus Synchronizer
39
Performance Requirements
39
DBS Cable and Settings
39
Figure 18 DBS Cable Connection
39
Configuring Parallel System Operation
40
General
40
Conditions for Parallel System
40
Features of Parallel System
40
Operating Principles
41
Operation Modes Summary
41
Figure 19 1+1 System Block Diagram
41
Intermodule Control
42
Installing Parallel System
42
Cabinet Installation
42
Preliminary Checks
42
Protective Devices
42
Power Cables
42
Parallel Control Cables
42
Commissioning a Parallel System
43
Figure 20 Connecting '1+1' System Parallel Control Cables
43
Table 6 Key to UPS Control Cable Connections
43
Parallel System Startup
44
Emergency Power off (EPO)
44
Battery Circuit Breaker Box
44
Figure 21 Connecting EPO Push Button
44
Table 7 Available Battery Circuit Breaker Boxes
45
Figure 22 Battery Circuit Breaker Box Connections
46
6 Specifications
47
Conformity and Standards
47
UPS Environmental
47
UPS Mechanical Characteristics
47
Table 8 Environmental Characteristics
47
Table 9 Mechanical Characteristics
47
UPS Electrical Characteristics
48
Battery Manufacturers and Models
48
Input Rectifier
48
DC Intermediate Circuit
48
Table 10 Approved Batteries
48
Table 11 Rectifier Input Power
48
Table 12 DC Intermediate Circuit
48
Inverter Output
49
Bypass Input
49
Table 13 Inverter Output
49
Table 14 Linear Load Derating
49
Table 15 Bypass Input
49
7 Installation Drawings
50
Figure 23 Dimensional View- Front and Left Side Views
50
Figure 24 Dimensions Continued-Top and Bottom Views
51
Figure 25 Main Components-Typical Unit
52
Figure 26 Cable Connections
53
Figure 27 Location of Internal Batteries
54
Figure 28 Battery Connections
55
Figure 29 Electrical Connections
56
Figure 30 Battery Cabinet Interconnection
57
Table 16 Liebert -Supplied Interconnect Wiring
57
Figure 31 Maintenance Bypass Interconnection
58
Table 17 Liebert-Supplied Interconnect Wiring for Maintenance Bypass Cabinet
58
8 Specifications and Technical Data
59
Lug Size and Torque Requirements
59
Table 18 Torque Specifications
59
Table 19 Battery Torque Rating
59
Table 20 UPS Terminal
60
Table 21 Maintenance Bypass Cabinet
61
Table 22 Maintenance Bypass Cabinet Lug Sizes
62
Cable Lengths: Floor to Connection Point Inside UPS
63
Table 23 Maintenance Bypass Cabinet Weights
63
Table 24 Maintenance Bypass Cabinet Dimensions
63
Table 25 Distance to Connection Points on the NX
63
Table 26 Battery Cabinet Physical Characteristics
63
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