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Rack cooling

Higher data transfer speeds, low latency, and constant availability require more computing power, which in turn means higher power densities per rack. For your unique performance requirements to be achieved, the servers in the rack must operate at peak capacity and within the optimum temperature. We're with you in reaching that goal, through future-proofed rack cooling solutions, that not only ensure optimum temperature, but optimum energy savings. Let's make sure you can effectively manage the higher heat loads generated by tightly packed electronic enclosures, by designing holistic and customization thermal management systems.

Liebert DCL - Modular Rack Cooling up to 35 kW

Liebert DCL - Modular Rack Cooling up to 35 kW

The Liebert DCL is the Thermal Management unit for lateral attachment to server cabinets offering a wide range of features designed specifically for data center applications. The unit is available in two different architectures, closed or hybrid loop, and in multiple combinations of up to four server racks to match any customer needs.

Ideally Suited For

  • Small to medium-sized data centers.
  • Raised and non-raised floors.
  • Rooms with a low ceiling where air cannot be ducted.
  • Complete solution for small IT room

Benefits

Flexibility

  • Closed Loop and Hybrid Loop design
  • Different size, Height and Depth, to answer to the different 42 U or 47 U
  • Numerous combinations of Racks and Cooling Modules, up to 4 racks per 1 cooling unit (2 on each side)
  • 3-way modulating valve field adjustable to 2-way
  • Variable speed EC fans to modulate airflow.
  • Temperature and Valve Control logic driven based on Sensors selection.
  • Remote Rack temperature sensors with 2 probes
  • Caster mounted for easy placement.
  • Multiple units communicate with each other to improve system performance and reduce energy consumption.
  • The iCOM large graphic display allows easy navigation and clear data display. 

Availability

  • Self-adapts to changing conditions to provide 24/7 precision environmental control
  • Liebert iCOM control to provide: “Fail Safe” control logic (to maximize fan speed and water flow in case of controller failure), rack’s doors status monitoring and automatic doors releasing
  • Dual Power Supply option
  • Dual coil version
  • Remote monitoring through IS-Unity Card (SNMP V3 / https protocols)

Lowest total cost of ownership

  • Designed for higher return air temperature to maximize cooling capacity.
  • Only front and back access required, resulting in minimized installation and service time.
  • Variable speed EC fans operate efficiently to reduce energy consumption

Key features

  • Rack’s doors: Status monitoring and Automatic releasing
  • “Fail Safe” control logic (to maximize fan speed and water flow in case of controller failure)
  • 3-way modulating valve field adjustable to 2-way
  • Dual coil version
  • Variable speed EC Fans for automatic airflow modulation according to server needs
  • Overpressure dampers to avoid air bypass through inactive unit
  • Top and/or Bottom Connections for all media
  • Dual Power supply option available
  • Efficient operation with the iCOMTM control 

Liebert HPD - Dry Cooler

Liebert HPD - Dry CoolerHPD Dry Cooler systems are outdoor units that dissipate the heat coming from water-cooled (water or glycol mixture up to a 40% concentration) direct expansion indoor units.

Benefits

  • Equipped with heat exchangers made with oval copper tubes.
  • Design improves the heat exchanger capacity versus drycoolers with traditional coil geometries. 

Key features

  • Modulating fan speed control with single set point or with double set point for freecooling operation, to switch between summer mode (compressors working) to winter mode (freecooling operation).
  • Epoxy-coated coil.
  • Hydraulic connections flange kits (for three-phase models, single-phase models are provided with threaded hydraulic connections).
  • Can be installed either horizontally or vertically, with simple operations to be done on site.

Liebert XD Refrigerant-Based Cooling Modules

Liebert XD Refrigerant-Based Cooling Modules Liebert XD refrigerant-based cooling modules deliver high-density cooling with highly flexible configurations for floor-mount, rack-mount and ceiling-mount applications.

Benefits

  • Highly efficient
  • Require little or no floorspace   
  • Cools more than 30 kW per rack
  • Requires little or no floor space.
  • Highly scalable expansion without interrupting cooling operations  

Key features

  • High heat-density cooling modules
  • Mount above, between or on racks
  • Use pumped refrigerant technology
  • Available in nominal capacities of 160kW (46 tons) for 60 hz applications and 130kW (37 tons) for 50 hz applications 

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