HIGH DENSITY MODULAR DATA CENTER COOLING

Liebert XD delivers energy efficient air conditioners and flexible high density cooling solutions, designed to optimize data center infrastructure. These data center modular cooling solutions are available with open or closed architecture, and pumped refrigerant-based or water-based technology.

Works as a system with Liebert DCP Coolant Pumping Unit to supply cooling water to high heat density racks. The modules offer an alternative heat removal solution to critical applications where the hot aisle/cold aisle approach to cooling is not practical.

Liebert DCW water-based cooling modules allow you to take advantage of an existing building chilled water system, using the Liebert DCP coolant pumping unit to distribute the cooling water to the racks or to cooling modules mounted on the racks.

Liebert XDK-W is available in models that provide 17kW of cooling and 40U of rack space; and 25kW of cooling with 37U of rack space. 60 Hz or 50 Hz.

Liebert DCD rack cooler replaces the rear door of an enclosure,  providing cooling without increasing the rack footprint. The module uses the server fans within the protected rack to provide airflow, providing the most energy efficient design.

Features:

• Water-based high heat density systems
• Full enclosure system, or back-of-rack-installed module
• Leverage existing building chilled water loop
• Compatible with Liebert coolant pumping unit

Benefits:

Flexibility

• Reduces room and building floorspace requirements.
• Provides user-friendly operation and service-optimized design.
• Solves rack cooling issues where hot aisle/cold aisle approach is not practical.
• Operates quietly, Liebert XDK-W is ideal for applications where noise containment is required.
• Offers 60Hz and 50Hz models.

Higher Availability

• Channels air flow in the rack to optimize efficiency.
• Discharges heat via cooling water, with high performance air-to-water heat exchanger.
• Separates heat exchanger and servers for highest possible leakage safety.

Lowest Total Cost Of Ownership

• Leverages existing building chilled water system.

Ideally Suited For

• High-density equipment requiring precise cooling and protection
• Communication enclosures
• Data centers
• Server farms

Liebert DCP pumping unit is part of the highly energy-efficient, high heat density Liebert DCW data center heat removal system, designed to support Liebert DCD module, and Liebert XDK-W rack enclosure. Liebert DCP is an isolating interface between the pumped water and the building chilled water system.

The water-based Liebert DCP pumping unit houses the isolating heat exchanger between the Liebert DCD or Liebert XDK-W and the building chilled water. It circulates the chilled water to the cooling modules at a temperature always above the actual dew point, to prevent condensation.

Features:

• Isolating pumping unit
• Serves as an intermediary between the building chilled water circuit and the module/rack circuit
• Circulates water to Liebert XD cooling modules or enclosures at a temperature always above actual dewpoint

Benefits:

Flexibility

• Cools more than 25kW per rack.
• Includes enclosure, pumps, heat exchanger, receiver tank, controls, valves and piping as a packaged unit for easy installation.
• Allows for scalability for future growth.
• Offers 60 Hz and 50 Hz models.

Higher Availability

• Maintains the coolant at a temperature always above the actual dewpoint, to prevent condensation.

Lowest Total Cost of Ownership

• Operates with energy efficient redundant pumps.
• Uses floor space efficiently.

Ideally Suited For

• Liebert XDR-W and Liebert XDK-W systems
• Other brands of water-cooled rack equipment

Liebert Foundation MCR is an integrated modular data center infrastructure solution that ensures protection for servers, network components and other critical electronics.

The Liebert Foundation MCR is a data center rack system that features a load-sized, computer-grade air conditioner located at the bottom of the enclosure, offering top-mount design, supplying cool air to sensitive equipment on all levels. A back-up cooling system ensures environmental security. Data center power is supplied and protected through a Liebert GXT on-line UPS, or Liebert PSI line-interactive UPS.

Features:

• Sealed, NEMA Type 12 enclosure
• Provides integrated cooling
• Protects rack equipment with Liebert UPS and power protection equipment

Benefits:

Flexibility:

• Designed as a plug-and-play system ready to install.
• Wheel-mounted cabinet for easy relocation.
• Adjustable racks and rack rails support a wide variety of equipment.
• Optional top mounted air conditioning allows maximum use of internal rack space or can be used to double cooling capacity with the internal air conditioning unit.

Higher Availability:

• Cools IT equipment to eliminate downtime from overheating.
• Lockable door protects against unauthorized access.
• Specially designed door gasket and sealed cable entrance ensure stable cooling environment.
• Optional back-up cooling assures continued cooling in the event of a power loss. 
• Improved cable access and management improves airflow to reduce overheating of protected IT equipment.

Lowest Total Cost Of Ownership:

• Competitively priced as an integrated system, compared to purchasing separate components.
• Simplified plug-and-play installation reduces overall implementation time, reducing costs.
• Optional energy saver control saves money by allowing back-up cooling to operate as primary enclosure cooler.
• Integrated air conditioning reduces potential downtime costs by assuring proper system operation.

Ideally Suited For:

• Network closets
• Server closets or small rooms

PUMPED REFRIGERANT-BASED COOLING FOR HIGH HEAT DENSITY APPLICATIONS

Liebert XD refrigerant-based cooling modules work as a system to support the hot aisle/cold aisle approach to high heat density data center cooling. The modules provide focused rack cooling, complementing room-based precision cooling, such as the Liebert DS floor mount system. Pumped refrigerant is ideal for use near electronic equipment, as it operates at low pressure in the piping circuit, and becomes a gas at room conditions.

Features:

• High heat-density cooling modules
• Mount above, between or on racks
• Use pumped refrigerant technology
• Require little or no floorspace

Benefits:

Flexibility

• Cools more than 30 kW per rack.
• Requires little or no floor space.
• Complements Liebert precision cooling units.
• Allows adaptive and scalable expansion without interruption of cooling operations, with optional pre-charged flexible piping with threaded quick connect fitting.
• Provides models to suit data center needs, mounting on, above or between the racks.
• Provides an excellent solution for spot and zone cooling of high heat density equipment.
• Offers 60 Hz and 50 Hz models.

Higher Availability

• Uses pumped refrigerant, which is ideal for use around electronic equipment.
• Ensures continuous operation of critical IT systems under extreme heat conditions.
• Includes coil, controls, fans and piping for a complete, packaged unit.

Lowest Total Cost Of Ownership

• Operates with high energy efficiency.
• Offers superior cooling cost per high heat density rack.

Ideally Suited For

• Supplemental sensible cooling for high heat density racks or zones

Liebert XDA increases air flow through densely populated rack enclosures, past congested cabling, removing hot spots within data center racks that can threaten the uptime of critical systems.

Each Liebert XDA data center cooling unit is rated for 1000 CFM (@60Hz). The unit mounts on the rear (inside or outside) of any standard rack (minimum 60″ height). Two Liebert XDA units mounted side by side on the rear of a rack enclosure (2000 CFM capacity) move a nominal 14 kW heat load.

Features:

• Five-fan rackmounted unit improves horizontal rack air flow
• Installs quickly and easily
• Provides redundant components to ensure reliability
• Enhances data center precision cooling systems

Benefits:

Flexibility

• Fits most rack enclosures.
• Installs inside or outside of the rack.
• Enhances the cooling effectiveness of data center precision cooling systems.

Higher Availability

• Increases air flow through rack enclosures that have an obstructed air pattern.
• Provides redundant fans and dual power feeds, to ensure continuous availability.

Lowest Total Cost Of Ownership

• Ships as a complete kit, including: Liebert XDA assembly (fans, dual power cords and main switch); assembly positioning tool; cable grommet; and excess door perforation covering.
• Installs easily, to provide a fast, effective cooling solution.

Ideally Suited For

• High heat density rack applications, in conjunction with a data center precision cooling system

XDV 8.8-10 KW

Liebert XDV vertical top cooler is installed on or above a rack enclosure. It draws hot air from inside the enclosure or from the Hot Aisle, then cools the air and discharges it down into the Cold Aisle. Connects via flexible piping and uses pumped refrigerant technology.

The rack or ceiling-mounted Liebert XDV is available in nominal capacities of 8.8 kW (2.5 Tons) and 10 kW (2.8 Tons) for 60 Hz applications; and 8 kW (2.3 Tons) for 50 Hz applications. This pumped refrigerant-based system is backed by the Liebert XDC Chiller, or the Liebert XDP Pumping Unit.

Features:

• Part of the high heat-density cooling product family that utilizes pumped refrigerant technology
• The pumped refrigerant operates at low pressure in the system and becomes gas at room conditions, making it ideal for use around electronic equipment
• Since the Liebert XD system always provides 100% sensible capacity, the need for humidification is significantly reduced, further reducing energy usage and maintenance.

Benefits:

Flexibility

• Cools more than 10 kW per rack.
• Requires no floor space.
• Complements Liebert precision cooling units.
• Allows adaptive and scalable expansion without interruption of cooling operations, with optional pre-charged flexible piping with threaded quick connect fitting.
• Mounts on top of the cabinet or suspends from the ceiling for flexible installation.
• Provides an excellent solution for spot and zone cooling ofhigh heat density applications.

Higher Availability

• Uses pumped refrigerant, which is ideal for use around electronic equipment.
• Ensures increased uptime with Dual (A and B) detachable power cords.
• Includes coil, controls, fans and piping for a complete, packaged unit.

Lowest Total Cost Of Ownership

• Operates with high energy efficiency.
• Offers superior cooling cost per high heat density rack.

Ideally Suited For

• Supplemental sensible cooling for high heat density racks or zones

XD OVERHEAD COOLING MODULE

Liebert XDO cooler provides sensible spot and zone cooling for high heat-density equipment.

The ceiling-mounted Liebert XDO is available in nominal capacities of 17.2 kW (5 Tons) and 20 kW (5.7 Tons) for 60 Hz applications; 17.1 kW (4.9 Tons) and 17.7 kW (5 Tons) for 50 Hz applications. This pumped refrigerant-based system is backed by the Liebert XDC Chiller, or the Liebert XDP Pumping Unit.

Features:

• Cools more than 5400 W/m²
• No floor space required
• Scalable
• Flexible installation with several connection possibilities
• Uses pumped refrigerant, which is ideal for use around electronic equipment
• Complete packaged unit includes enclosure, coils, fan and piping

Benefits:

Flexibility

• Cools more than 5400 W/m²
• Requires no floor space
• Complements the cooling of Liebert thermal management units
• Provides an excellent solution for spot and zone cooling
• Offers flexible installation with several connection possibilities
• Allows adaptive and scalable expansion without interruption of cooling operations, with optional pre-charged flexible piping with threaded quick connect fitting
• Allows full installation from an existing cold aisle without the need for reaching over existing racks

Higher Availability

• Uses pumped refrigerant, which is ideal for use around electronic equipment
• Includes coil, controls, fans and piping for a complete, packaged unit

Lowest Total Cost Of Ownership

• Operates with high energy efficiency
• Offers superior cooling cost per high heat density rack

Ideal Applications

• Supplemental sensible cooling for high heat density racks or zones

The XDH horizontal row cooler is placed in line with rack enclosures. Air from the hot aisle is drawn in through the rear of the unit, cooled, and discharged into the cold aisle where the electronic equipment air inlets are located. Connects via flexible piping and uses pumped refrigerant technology.

Liebert XDH installs between the protected racks, providing horizontal airflow for the surrounding equipment. Available in nominal capacities of 22 kW (6.3 Tons) and 30 kW (8.5 Tons) for 60 Hz applications; 19 kW (5.4 Tons) and 27 kW (7.7 Tons) for 50 Hz applications. This pumped refrigerant-based system is backed by the Liebert XDC Chiller, or the Liebert XDP Pumping Unit.

Features:

• High heat density cooling module
• Installs in line with racks
• Uses pumped refrigerant technology
• Requires very little floor space

Benefits:

Flexibility

• Cools more than 30 kW per rack
• Allows adaptive and scalable expansion without interruption of cooling operations, with optional pre-charged flexible piping with threaded quick connect fitting
• Complements Liebert precision cooling units

Higher Availability

• Includes coil, controls, fans and piping for a complete, packaged unit
• Ensures increased uptime with Dual (A and B) detachable power cords
• Uses pumped refrigerant which is ideal for use around electronic equipment
• Provides two pumped refrigerant circuits allow interlaced connection to two XD refrigerant sources, for enhanced reliability

Low Total Cost Of Ownership

• Offers superior cooling cost per high heat density rack
• Operates with high energy efficiency

Ideally Suited For

• High density rack environments with limited overhead space

PUMPED REFRIGERANT BASED COOLING FOR HIGH HEAT DENSITY APPLICATIONS

The Liebert XD CoolFrame rack cooler is designed and performance certified when attached to the back of the Egenera BladeFrame EX rack. It cools the exhaust air from the rack before the air enters the room. Connects via flexible piping to the Liebert XD system and uses pumped refrigerant technology. Liebert is a member of Egenera Inc. Assured Solution Alliance program.

Liebert XD Coolframe is designed for the specific cooling needs of the Egenera BladeFrame EX. It mounts directly to the back of the rack, requiring no additional floorspace. Supported by Liebert XDP coolant pumping unit or Liebert XDC chiller.

Features:

• High heat density cooling module
• Mounts on rear of Egenera BladeFrame EX rack
• Uses pumped refrigerant technology
• Requires no additional floor space

Benefits:

Flexibility

• Installs easily, with simple mechanical attachment to the BladeFrame EX.
• Provides full compatibility with Liebert XDP and XDC units.
• Requires no additional air movers for the BladeFrame EX system.
• Requires no additional power for Liebert XD CoolFrame.

Higher Availability

• Retains BladeFrame EX renowned serviceability features; efficient cable management is preserved.

Low total cost of ownership

• Saves 23% of typical data center cooling energy cost.
• Retains the same BladeFrame EX footprint, even with the Liebert XD CoolFrame modules attached.

Ideally Suited For

• Egenera BladeFrame EX racks

LIEBERT XDC CHILLER

This specially designed indoor chiller and pumping unit connects directly to Liebert XDO, Liebert XDV, Liebert XDH, and Liebert XD CoolFrame units, providing chilled pumped refrigerant circulation and control. It ensures that the refrigerant is constantly above the actual dew point in the room, to prevent condensation.

Liebert XDC 160 kW chiller is part of the highly energy-efficient, high heat density Liebert XD cooling system, designed to support Liebert XDO overhead cooling module, Liebert XDV rack-mounted cooling module, Liebert XDH horizontal row cooler, and Liebert XD CoolFrame. Available in air cooled configuration with remote condenser.

The Liebert XDC is available in nominal capacities of 160 kW (46 Tons) and 130 kW (37 Tons) for 50 Hz applications.

Features:

• Energy efficient
• Floor space efficient
• Scalable
• Easy to install

Benefits:

Flexibility

• Cools more than 5400 W/m² 
• Includes enclosure, pumps, heat exchanger, receiver tank, controls, valves and piping in a packaged unit, for easy installation.
• Allows for scalability for future growth.

Higher Availability

• Uses pumped refrigerant, which is ideal for use around electronic equipment.
• Maintains the coolant at a temperature always above the actual dewpoint, to prevent condensation.

Lowest Total Cost of Ownership

• Operates with energy efficient redundant pumps.
• Uses floor space efficiently.

Ideally Suited For

• Use with Liebert Pumped Refrigerant modules

LIEBERT XDP PUMPING UNIT 130-160 KW

Liebert XDP is a system-matched pumping unit, designed to support to Liebert XDO, Liebert XDV, Liebert XDH, and Liebert XD CoolFrame spot/zone cooling units. When a building chilled water system is available, Liebert XDP pumping unit serves as an intermediary, isolating the building chilled water circuit from the pumped refrigerant circuit. It circulates the refrigerant to the cooling modules at a temperature always above the actual dew point to prevent condensation.

The Liebert XDP pumping unit is part of the highly energy-efficient, high heat density Liebert XD System, designed to support Liebert XDO, Liebert XDV, Liebert XDH, and Liebert XD CoolFrame. The system can cool more than 5400 W/m2, and utilizes pumped refrigerant, which is ideal for use around electronic equipment. Liebert XDP is an isolating interface between the pumped water and the building chilled water system.

The Liebert XDP is available in nominal capacities of 160 kW (46 Tons) and 130 kW (37 Tons) for 50 Hz applications.

Features:

• Energy efficient
• Redundant pumps
• Floor space efficient
• Scalable
• Easy to install

Benefits:

Flexibility

• Cools more than 5400 W/m²
• Includes enclosure, pumps, heat exchanger, receiver tank, controls, valves and piping as a package, for easy installation
• Allows for scalability for future growth

Higher Availability

• Maintains the coolant at a temperature always above the actual dewpoint, to prevent condensation

Lowest Total Cost of Ownership

• Operates with energy efficient redundant pumps
• Uses floor space efficiently

Ideally Suited For

• Use with Liebert Pumped Refrigerant modules

LIEBERT FLEXIBLE, SCALABLE PUMPED REFRIGERANT PIPING SYSTEM

Liebert XD Piping is prefabricated distribution piping installed in anticipation of a growing data center cooling system. Liebert XD cooling modules are added, disconnected, or repositioned as required and are quickly made operational with flexible connection piping and quick-connect fittings.

The Liebert XD Piping system is compatible with Liebert XDO, XDV, XDH and XD CoolFrame modules. The system allows data center cooling capacity to increase to more than 30 kW per rack.

The header distribution piping is available as 3.0 m segments with 5 or 10 ports, or 2.4 m segments with 2 or 4 ports. The flexible connection piping between the header distribution piping and the Liebert XD modules has quick fittings and is available in 1.2, 1.8, 2.4 and 3.0 m lengths.

Features:

• Pre-fabricated distribution piping
• Install piping in anticipation of future growth
• Flexible connection piping and quick-connect fittings allow addition or repositioning of cooling modules
• Allows room cooling capacity to increase to more than 5400 W/m²

^Benefits:

Flexibility

• Scales up to a cooling capacity of more than 30 kw per rack as your needs grow.
• Provides multiple standard header and flexible piping lengths to meet individual site needs.

Higher Availability

• Allows re-positioning of cooling modules without interruption in operation.
• Allows installation with interlaced connections from the pumping unit to the XD cooling modules in single row or dual row layouts.

Lowest Total Cost Of Ownership

• Grows with your Data Center, adapting to changing heat load requirements with minimal up-front investment.

Ideally Suited For

• Growing data centers using Liebert XD pumped refrigerant cooling solutions