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Liebert NX series Manuals
Manuals and User Guides for Liebert NX series. We have
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Liebert NX series manual available for free PDF download: Operation & Maintenance Manual
Liebert NX series Operation & Maintenance Manual (44 pages)
10-30kVA 208V, 60Hz
Brand:
Liebert
| Category:
UPS
| Size: 0.72 MB
Table of Contents
Table of Contents
3
1 General Description
7
Introduction
7
Figure 1 Single Module Block Diagram (Dual Input Configuration)
7
Bypass Supplies
8
Operating Modes
8
2 Operator Control and Display Panel
10
Operator Control Panel
10
Display Panel Layout
10
Figure 2 Overview of Control Panel
10
Figure 3 Detailed View of Control Panel
10
MIMIC Display Indicators
11
Figure 4 MIMIC Display Indicators Location
11
Table 1 MIMIC Display Status Indicators
11
Control Buttons
12
Alarm Buzzer
12
Figure 5 Location of Control Buttons
12
Figure 6 Alarm Buzzer Location
12
Table 2 Control Buttons
12
Table 2
12
LCD Overview
13
Figure 7 Sections of the LCD
13
Navigation Keys
14
UPS System Information
14
Table 3 Icons for Navigation Keys
14
Table 4 Description of Items in UPS System Window
14
LCD Menus and Data Items
15
Figure 8 Menu Tree
15
Language Selection
16
Current Date and Time
16
Table 5 Descriptions of UPS Menus and Data Window Items
17
UPS Status Messages
18
Figure 9 Current Status and History Log Records
18
Types of LCD Screens
19
Opening Display
19
Default Screen
19
Figure 10 Opening Display
19
Figure 11 Default Screen
19
UPS Help Screen
20
Screen Saver Window
20
Figure 12 Help Screen
20
Figure 13 Screen Saver Window
20
Pop-Up Windows
21
From Bypass to Inverter Mode with Power Interruption
21
From Inverter to Bypass Mode with Interruption
21
System Self-Test
21
Battery Capacity Test Confirmation
21
3 Operating Instructions
22
NX Operating Modes
22
UPS Operating Modes
22
Power Switches
23
Figure 14 Power Switches - 10Kva NX
23
Table 7 Rotary Switch Configuration
23
UPS Start-Up
24
Start-Up Procedure
24
Verify Switching between Operation Modes
25
Switching the UPS from Normal to Maintenance Bypass
26
Powering down the UPS
26
Powering down the UPS and Maintaining Power to Load
27
Figure 15 Typical Configuration for Single UPS with External Maintenance Bypass Cabinet
28
Emergency Shutdown with EPO
29
Auto Restart
29
Reset after Shutdown for Emergency Stop (EPO Action) or Other Conditions
29
O Ptions
30
Figure 16 Options Diagram
31
LBS Mode (Load Bus Synchronization)
31
Table 8 UPS Status Messages
33
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