Inter Column Fully Variable Frequency Fluorine Pump Precision Air Conditioner
Liebert CRV4 (S) is an ideal product for inter row cooling in green data centers, with the industry's ultimate refrigeration efficiency. It uses a variable frequency vortex compressor and environmentally friendly refrigerant R410A, with excellent intelligent control and performance.
- Product Introduction
Vertiv ™ Liebert ® CRV4S
Inter column fully variable frequency fluorine pump precision air conditioner
Liebert CRV4 (S) is an ideal product for inter row cooling in green data centers, with the industry's ultimate refrigeration efficiency. It uses a variable frequency vortex compressor and environmentally friendly refrigerant R410A, with excellent intelligent control and performance. The flexible refrigeration capacity design can adjust the refrigeration capacity from 20% to 100%, significantly improving the energy efficiency of ordinary air-cooled units by 33.3% to 50%. 7-inch full Chinese touch screen with graphic display. The product series consists of five cooling stages with an air cooling capacity of 12-60kW. The unit dimensions are 300mm (width) * 1100mm (depth) * 2000mm (height) and 600mm (width) * 1100mm (depth) * 2000mm (height).
CRV4S
Full time natural cooling fluorine pump mode
When the outdoor temperature is low (especially in late autumn or winter), Vertiv ™ Liebert ® The CRV4S can operate in the energy-saving mode of the fluorine pump. In this situation, Liebert ® CRV4S
The compressor of the system is in the off state, and the system power consumption is 10% of the original.
Outstanding refrigeration efficiency in the industry
Sensible heat capacity
Intelligent HMI touch screen
- 7-inch large touch screen
- Graphical display device operation and environmental status
- Multiple remote rack temperature sensors can be connected externally
- Standard RS485 interface, optional SNMP and TCP/IP interfaces
- Intelligent group control for multiple units
Multiple control modes
- Supply air temperature control
- Return air temperature control
- Channel differential pressure control
- Remote temperature control
Multiple 0.2 º C high-precision return air temperature and humidity
Sensors can be selected to form temperature and humidity field monitoring
Hot backup group control cold mode can save 30% energy
Consumption and significantly reduce the optimal group control choice for PUE
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