Liebert Deluxe System 3 Precision Cooling Systems, 21-105kW

This product is discontinued.


  • Precision cooling and humidity control
  • Provides component redundancy compressors, motors and blowers
  • Offers upflow and downflow models
  • Cools in air, water, glycol, Glycool, water configurations
  • Benefits

    • Allows installation in upflow or downflow configuration, and in Air, Water, Glycol, GLYCOOLâ„¢ and Chilled Water models.
    • Provides a complete environmental control package, including both precision air conditioning and humidity control.
    • Offers two levels of microprocessor control systems.
    Higher Availability
    • Features reliable refrigeration components, such as dual, semi-hermetic compressors and A-frame evaporator coils, all factory pre-piped, wired, and tested in a rugged, easy-access tubular-steel frame.
    • Provides redundancy with dual refrigeration circuits.
    Lowest Total Cost Of Ownership
    • Delivers the highest levels of energy efficiency with the combination of high efficiency 4-step unloaded semi-hermetic compressors and options such as a variable-speed drive on the fan motor.
    • Offers ultra energy efficient GLYCOOL and Dual Cool hybrid models.
    Ideally Suited For
    • Data centers
    • Telecommunications facilities
    • Industrial process control centers
    • Laboratories
    • Other sensitive electronic applications


    Brochures and Data Sheets Case Studies Manuals Parts Documentation Technical Specifications Warranties


    Liebert AC4 and AC8
      Autochangeover Controllers
    • Autochangeover for precision cooling units
    • Balances system runtime for even component wear
    • Controls up to 8 cooling systems
    Liebert Liqui-tect
      Two Channel Leak Detection System
    • Two zone leak detection monitor
    • Monitors up to 5000 feet of leak detection cable in each zone
    • Measures and reports distance of leak from monitor
    • Monitors leaks below the floor, above the ceiling, or at the room perimeter
    Liebert Nform Enterprise Edition
      Centralized Monitoring Software
    • Centralized monitoring and control of SNMP devices through existing NMS
    • Provides email alerts and local notifications
    • Allows user defined automated shutdown
    • Offers an ideal solution for large businesses
    Liebert SiteScan Web
      Centralized Monitoring and Control
    • Centralized site monitoring
    • Provides real-time monitoring and control
    • Allows alarm/event management
    • Operates compatibly with existing Building Management Systems
    Liebert SiteLink
      Communication Interface
    • Communication interface between Liebert units and existing BMS
    • Integrates 4 or 12 units into a single device
    • Communicates with Liebert SiteScan Web or Modbus
    Liebert SiteLink-E
      Communication Interface
    • Communication interface between Liebert/Emerson protocols and existing BMS
    • Integrates 4 or 12 units into a single device
    • Supports Modbus or BACnet
    Liebert IntelliSlot 485
      Interface Card
    • Liebert equipment interface card
    • Operates with industry standard "Open" protocol
    • Communicates with Liebert SiteScan Web software
    • Provides remote alarm notification