Name: Emerson Liebert NXL 250 kVA
Brand: Emerson
Rating: 4 (1 reviews)

Default Chapter3

Table of Contents3

Important Safety Instructions9

1 Introduction10

2 Operation13

Features13
Figure 2 Main Component Locations-250 to 400Kva13
Figure 3 Main Component Locations-500Kva14
Figure 4 Main Components, 625Kva Liebert NXL, N+1 Multi-Module Unit Without Static Bypass15
Figure 5 Main Components, 625Kva Liebert NXL UPS, SMS and 1+N Multi-Module Unit with15
Figure 6 Main Component Locations-750Kva with Static Bypass16
Figure 7 Main Component Locations-750Kva Without Static Bypass16
Figure 8 Main Components, 1+N Multi-Module or SMS with Static Bypass, 1100Kvaw UPS17
Figure 9 Main Components, 1100Kva UPS N+1 Multi-Module Without Static Bypass18
Figure 10 Main Display Screen, Typical19
Figure 11 MIMIC Display19
Figure 12 Monitor/MIMIC Display Example: Normal Power Flow20
Figure 13 Monitor/MIMIC Display Example: Utility Fail20
Figure 14 Monitor/MIMIC Display Example: Load on Bypass, UPS on21
Figure 15 Monitor/MIMIC Display Example: Load on Bypass, UPS Module off21
Touchscreen Navigation22
- Main Display Screen22
- Configurations Menu22
- Figure 16 Rating Parameters22
- Figure 17 System Settings Parameters23
- Figure 18 Adjustable Setpoints Parameters24
- Figure 19 Battery Equalize Settings25
- Figure 20 Battery Management Parameters26
Event Management27
Status Reports Menu27
Figure 21 Typical Event Management Parameters27
Startup Menu28
Shutdown Menu28
Transfer Menu28
Figure 22 UPS Shutdown Popup28
Figure 23 System Shutdown Popup28
Battery Management Menu29
Figure 24 Time Remaining Display29
Figure 25 Battery Cycle Monitor30
System View-1+N Systems Only31
Figure 26 Battery Cycle Monitor Summary31
Figure 27 Status View - 1+N Systems Only31
Metering32
Help32
Reset32
Figure 28 1+N Status View32
Silence33
Modes of Operation33
- 2.14.1 Load on Bypass33
- Figure 29 Load on Bypass (UPS Not Available)33
- 2.14.2 OK to Transfer34
- Figure 30 Load on Bypass, UPS Available34
- Figure 31 Load on UPS, Bypass Available34
- 2.14.3 Input Power Failure-Load on DC Source35
- 2.14.4 off DC Source35
- Figure 32 Input Power Fail, Load on DC Source35
- Figure 33 Load on UPS, DC Source Not Available35
- Emergency Module off (Optional)36
- 2.14.6 Remote Emergency Power off36
- Figure 34 Emergency Modules off36
- Figure 35 Remote Emergency Power off36
- 2.14.7 ECO Mode37
Manual Operations-All Systems37
- Figure 36 ECO Mode Power Flow37
- 2.15.1 Startup-Single Module System38
- Figure 37 Startup Commands39
- Startup-N+1 System40
- Startup-1+N System41
- Figure 38 1+N System Start Menu Commands42
- 2.15.4 Load Transfer and Retransfer-Single Module System45
- 2.15.5 Maintenance Bypass Load Transfers-Single Module System46
- Figure 39 UPS with Two-Breaker Bypass Cabinet46
- Figure 40 N+1 Transfer Menu Commands48
- Load Transfer-N+1 System: Add UPS to N+1 System (Collective)48
- Load Transfer-N+1 System: Remove UPS from N+1 System (Collective)48
- Figure 41 1+N UPS Transfer to Bypass Menu Commands49
- Load Transfer-1+N System: Remove a UPS from System (Collective)49
- Load Transfer-1+N System: Add a UPS to the System (Collective)50
- Figure 42 1+N UPS Transfer to Inverter Menu Commands51
- Figure 43 1+N System Transfer Menu Commands52
- Load Transfer-1+N System: Transfer System to Bypass52
- Load Transfer-1+N System: Transfer System to Inverter52
- Load Transfer-1+N System: Transfer to Maintenance Bypass53
  - Static Bypass53
- 2.15.13 Shutdown-Single Module UPS System54
- Figure 44 N+1 Shutdown Menu Commands55
- Shutdown-N+1 UPS System55
- Shutdown-1+N UPS: System Shutdown56
- Shutdown-1+N UPS: UPS Shutdown56
- Figure 45 1+N UPS Shutdown Menu Commands57
- 1+N System Shutdown58
- Figure 46 1+N System Shutdown Menu Commands59
Automatic Operations60
- Overloads (Without Transfer)60
- Figure 47 Current-Versus-Time Curves of Overload Capacity60
- Automatic Transfers to Bypass (Overload Condition)61
- 2.16.3 Automatic Transfers to Bypass, UPS System Faults61
- 2.16.4 Automatic Retransfers to UPS62

3 Options63

4 Maintenance76

5 Specifications83

Ppendixa - Ups Alarm and Status Essages87

Table 10 Liebert NXL Alarm and Status Messages87

Emerson Liebert NXL 250 kVA User Manual

Table of Contents

Questions and Answers:

Emerson Liebert NXL 250 kVA Specifications

Related product manuals

Brand	Emerson
Model	Liebert NXL 250 kVA
Category	UPS
Language	English