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Liebert CRV Row-Based Cooling

The Liebert CRV, row-based cooling unit is optimized to ensure maximum cooling capacity in a minimal footprint. Targeted for small and medium data centers, as well as edge computing locations the unit provides cooling at the server rack level.

The Liebert CRV has been designed to deliver the highest efficiency and availability, by removing heated air from the data center hot aisles, using it to return cooled air to the servers (cold aisle). The Liebert CRV is available in Direct Expansion, as well as Chilled Water versions and in two frame widths – 600 mm and a compact 300 mm. Providing full capacity and airflow modulation to match the servers’ load, the unit is able to deliver energy savings via its compressor with capacity modulation, Electronic Expansion Valve and variable speed EC Fans. All this leads to very low operating costs with maximum availability. The Liebert CRV is a comprehensive row-based solution that includes all of the main functions fundamental to cooling units, such as cooling, humidification, dehumidification, re-heating, air filtration, condensation management, temperature and humidity control, alarm functions and data communications.

Furthermore, the unit enhances its performances and energy efficiency through the Vertiv iCOM Control, capable of optimizing unit operations by leveraging on its intelligent management of system components. All components are easily accessible from the front and the rear of the unit, granting simplified service intervention.
The unit also allows ease of installation, through simplified cable and pipes routing from top and bottom of the unit.

Designed to Optimize IT Performance

The Vertiv Liebert CRV in-row cooling unit is ideal for the cooling of data center rows.The Liebert CRV is a multi-option, precision air conditioner that delivers temperature and humidity control, as well as filtration and notification management, ensuring that data center temperatures are maintained at an optimum level.The unit is designed to continuously monitor variations in heat loads and instantly deliver the most eff icient and eff ective cooling necessary.

Liebert CRV: Simple, Safe, Adaptable

The Liebert CRV is a plug-and-play unitwith the capability of addressing the needs of both open and contained applications.Cooling is provided at the server rack level rather than the room level. The Liebert CRV removes and filters hot air from the data center aisles, using it to return cooled air to the servers.The integrated air diff users accurately direct the airflow towards the necessary direction of the heat load.Furthermore, Liebert CRV is designed to comply with mission-critical requirements and ensure that servers are maintained at the correct temperature and humidity levels.For low operational costs, the Liebert CRV provides the exact level of cooling required by servers, modulating the airflow and cooling capacity.The unit is available in two versions to meet various installation demands\

– A stand-alone, direct expansionsystem with variable capacity up to 36 kW, available in both 300 mm and 600 mm versions, complete with roof or wall-mounted condensery A chilled water system with up to 46kW of capacity available in both 300mm and 600 mm versions

– High Efficiency Scroll/Rotary Compressor with Capacity Modulation (CRD10 utilizes an Inverter Driven Compressor)

– EC plug fans

– R410A Refrigerant

– Adjustable modular baffle system

– Top/Bottom connections

– Levelling feet

– Filters with up to MERV 11 filtration

H class and clog filter switch

– Electrode humidifier (600mm only)

– Electric reheat 1-stage (600mm only)

– Internal condensate pump

– User friendly touchscreen display

– Remote rack temperature sensors

– Monitoring card for WEB, Modbus and BACnet

– Teamworking functionality

– Units ranging from 10 to 46 kW with chilled water and direct expansion versions

– Industry’s highest energy saving levels achieved – increase of up to 50% when the Liebert CRV is combined with Vertiv SmartAisle cold aisle containment

– Best-in-class Thermal Management unit for row- based applications

– On-site adjustment capability of air diffuser distribution direction maximizes cooling results

– Integrated Vertiv ICOM Control for management of capacity and airflow through EC Fans and variable capacity Compressor

– Ideal for scalable IT infrastructure – increased cooling capacity, reduced noise levels and enhanced efficiency when compared with similar chilled water and direct expansion configurations.

Chilled Water Cooling
Chilled water cooling units may be coupled with Vertiv chillers (Liebert HPC or Liebert AFC series). The Liebert HPC chiller series offers a wide range of air cooled or water cooled solutions. Available with various noise thresholds and with freecooling modes, these units significantly enhance the system’s energy saving capabilities. Liebert HPC freecooling chillers are available from 40 kW to 1600 kW. The Liebert AFC,  Adiabatic Freecooling Chillers, are available from 500 kW to 1700 kW and are designed to maximize data center efficiency and availability.

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