Liebert Npower Manuals

Manuals and User Guides for Liebert Npower. We have 1 Liebert Npower manual available for free PDF download: Operation And Maintenance Manual

Liebert Npower Operation And Maintenance Manual

Liebert Npower Operation And Maintenance Manual (112 pages)

30-130kVA, 60Hz, Single Module System

Brand: Liebert | Category: UPS | Size: 1.58 MB

Table of Contents

Table of Contents
3
Important Safety Instructions

9
- Save These Instructions
  9
Overview O F Manual

10
1 Introduction

11
- System Description
  11
  - Reliability
    12
  - Versatility
    12
- Safety Precautions
  12
- Modes of Operation
  13
  - Normal (Load on UPS)
    13
  - Input Power Failure
    13
  - Recharge
    13
  - Overload
    14
  - Bypass (Internal)
    14
  - External Maintenance Bypass
    14
  - Off-Battery
    14
  - Figure 1 UPS Controls and Display Screen (with Example of the Monitor/MIMIC Screen)
    14
- Operator Controls
  15
- Options
  15
2 Theory of Operation

16
- General Component Description
  16
  - UPS Module
    16
  - Battery System
    16
- Detailed Component Descriptions
  17
  - Controls
    17
  - Rectifier/Charger
    18
  - Battery Charging Circuit
    18
  - Inverter
    19
  - Static Bypass Switch
    20
3 Operation

22
4 Maintenance

104
- Safety Precautions
  104
- Routine Maintenance
  105
  - Record Log
    105
  - Air Filters
    105
  - Battery Maintenance
    105
  - Battery Safety Precautions
    106
  - Torque Requirements
    107
  - Table 9 Battery Voltage Record
    107
  - Table 10 Circuit Breakers with Compression Lugs (for Power Wiring)
    107
  - Table 11 Terminal Block with Compression Lugs (for Control Wiring)
    107
- Detecting Trouble
  108
- Reporting a Problem
  108
- Corrective Actions
  108
- Recommended Test Equipment
  108
- Table 12 Recommended Test Equipment and Tools
  108

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