Liebert II User Manuals

Table of Contents

• 1.0 Introduction

  5
• 2.0 Unpacking and Installation

  6
  • 2.1 Unpacking and Preliminary Inspection

    6
  • 2.2 Handling Considerations

    6
  • 2.3 Storage

    6
  • 2.4 Location Considerations

    6
    • 2.4.1 Equipment Performance

      6
  • 2.5 Door Closing Adjustments

    6
    • Figure 1 Typical cabinet data, Form C contact and wiring

      7
    • Table 1 Units with or without internal service disconnect switch

      7
• 3.0 Electrical Connections

  8
  • 3.1 Voltage Ratings and Power Source Configurations

    8
  • 3.2 Parallel Connection (see Figures2 and3)

    8
    • Table 2 Suggested wire and breaker size

      8
    • Table 3 Voltage ratings and power source configurations

      9
    • Figure 2 Typical parallel connections (without internal rotary disconnect)

      10
    • Figure 3 Typical parallel connections (with internal rotary disconnect)

      10
    • 3.2.1 System Grounding and Bonding

      11
• 4.0 Operation

  12
  • Table 4 Monitoring features

    12
  • Figure 4 Operation controls and indicators

    12
• 5.0 Troubleshooting, Service & Maintenance

  14
  • 5.1 Troubleshooting

    14
  • 5.2 Service

    14
  • 5.3 Corrective Maintenance

    14
  • 5.4 Preventive Maintenance—Inspection and Cleaning

    14
• 6.0 Limited Warranty

  15