Products - Cooling - Delta EMEA

Liquid-to-Air CDU

Liquid-to-Air Coolant Distribution Unit (L2A CDU)

Unlock unmatched efficiency with Delta's Liquid-to-Air (L2A) CDU for HPC and AI workloads. L2A CDU provides a closed-loop liquid solution that eliminates the need for raised floors or extensive piping, and seamlessly integrates with direct-to-chip cooling for superior performance. Enjoy high cooling density, minimal power consumption, and simplified deployment. With customizable options, Delta's L2A CDU can achieve up to 115 kW per rack, ensuring reliability with redundant components and hot-swappable features. The L2A CDU-115 is ideal for data center retrofits and scalable growth.




 


 



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Product Introduction

Features & Benefits

Superior Heat Dissipation

  • Excellent thermal resistance that significantly outperforms air cooling
  • Maximizes cooling density, providing more efficient heat removal
 

Cost Efficient

  • Ultra-efficient power usage: lower power consumption under 5%
  • Seamless integration: no raised floors or facility piping needed; simplifies layout and adapts easily to specific requirements
  • Optimizes space utilization: increases compute density and maximizes space without facility modifications
  • Utilizes existing infrastructure: Room Cooling (CRAH), hot air containment and racks
 

Robust Reliability

  • Redundant design for key components: pump, fan, sensor and controller
  • Assures coolant quality with integrated 50-micron filter
  • Hot-swappable pump and fan enable swift onsite replacement
Specifications
  1. Model: L2A CDU-115
  2. Nominal Cooling Capacity: 115 kW

  3. Deployment
  4. Ambient Temperature: 35°C (95°F)
  5. Airflow Rate: 13,908 CFM C
  6. oolant Supply Temperature: 45°C (113°F)
  7. Coolant Flow Rate: 138 LPM
  8. Coolant Supply Pressure: 34 psi
  9. Approach Temperature: 10°C (18°F)
  10. Coolant Feed Location: Front

  11. Power Supply
  12. Nominal Power Supply Voltage: 380/400/415/480 Vac, 3P4W+PE
  13. Operating Voltage Range: 312-528 Vac
  14. Frequency: 50/60 Hz
  15. Maximum Power Consumption: 18 kW
  16. Dual Power Feed: Standard

  17. Physical
  18. Dimensions (W x D x H): 1200 x 1066 x 2286 mm (48 x 42 x 90 in)
  19. Net Weight: 1200 kg (2645.5 lbs)

  20. Communication Interface
  21. Display: LCD touchscreen (optional)
  22. Protocols: Modbus RTU

  23. Environment
  24. Operating Temperature: 10 to 35°C (50 to 95°F)
  25. Humidity: 20-80%

  26. Conformance
  27. Safety: UL

  28. Features
  29. Standard
    ▪️ Leak Detection
    ▪️ Networking Remote Monitoring/Control
    ▪️ Individual Fan Fail Sensing
    ▪️ Variable DC Fans

  30. All specifications are subject to change without prior notice.