LTL CDU, GoCool-660

Liquid-to-Liquid Coolant Distribution Unit

The increasing demand for high-performance computing and advanced GPUs highlights the limitations of aircooling. Delta's GoCool LTL CDU offers a superior alternative, providing effective separation of facility and secondary circuits as well as precise control over flow, pressure, temperature, and coolant quality. It excels in managing high-density thermal load, maximizing computing power while minimizing data center PUE. The GoCool LTL CDU ensures operational reliability by preventing condensation and guarantees quality with its stainless steel plumbing and coolant filtration. Elevate your data center performance—engineered for the future of high-performance computing.


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Product Introduction

Features & Benefits

Cost Effective

  • Maximize energy saving: cuts power consumption, surpassing traditional air cooling
  • Space optimization: compact design enables closer server placement further reducing Capex
  • Flexible integration: supports direct-to-chip and Rear Door Heat Exchanger (RDHx) application, adapting to existing setups and blending air and liquid cooling for future upgrades
 

High Reliability

  • Uninterrupted operation: dual power feed with ATS ensures continuous CDU operation
  • Optimized redundancy design: ensures no single point of failure in the system
  • Leak detection: instant alarms with configurable response for efficient pumping action
  • Durable construction: stainless steel plumbing with 50-micron filters for long-term coolant quality
 

Easy Management

  • Intuitive interface: 10-inch color touchscreen displays real-time system status
  • Efficient control: group and manual control enhance system management and reliability

 

Specifications
  1. Model
    GoCool-660
  2. Nominal Cooling Capacity: 
    660 kW @7.5°C approach, 660 LPM secondary flow rate, 600 LPM primary flow rate, 1.0 LPM/kW
    500 kW @6.0°C approach, 750 LPM secondary flow rate, 600 LPM primary flow rate, 1.5 LPM/kW
  4. Primary Side
  5. Coolant Type: Water
  6. Nominal Coolant Flow Rate: 660 LPM, 17°C primary inlet temperature
  7. Operation Pressure Drop: 137 kPa
  8. Coolant Filter: 500 μm with bypass loop to enable hot-swappable
  10. Secondary Side
  11. Coolant Type: Deionized water/25%PG
  12. Nominal Coolant Flow Rate: 660 LPM
  13. Approach Temperature: 7.5°C 
  14. Coolant Filter: 50 μm with bypass loop to enable hot-swappable (upgradeable to 25 μm)
  15. External Pressure Drop: 163 kPa
  17. Power Supply
  18. Nominal Power Supply Voltage: 380/400/415 Vac, 3P3W+PE
  19. Operating Voltage Range: 360-440 Vac
  20. Frequency: 50/60 Hz
  21. Dual Power Feed: Standard
  22. Automatic Transfer Switch: Standard
  23. DC UPS Backup Power: Standard
  24. MCU Controls: Standard
  25. Power Feeds Location: Top
  27. Deployment
  28. Primary Connection: 2.5” Victaulic, DN65
  29. Secondary Connection: 3” Victaulic, DN80
  30. Piping Connection Location: Bottom
  32. Physical
  33. Dimensions (W x D x H): 600 x 1350 x 2100 mm (23.6” x 53.2” x 82.7”)
  34. Clearance
    Front: 800 mm (31.5”); Rear: 800 mm (31.5”)
  35. Net Weight:
    With coolant: 800 kg (1764 lb); Without coolant: 675 kg (1488 lb)
  36. Noise Level: < 72 dBA (at 1 m)
  38. Communication Interface
  39. Display: 10'' color touchscreen 
  40. Protocols: SNMP, Modbus RTU, Modbus TCP/IP, BACnet
  41. Monitoring
    Primary Side: Temp. (Inlet/Outlet), Flow rate, Pressure (Inlet/Outlet, Filter ΔP)
    Secondary Side: Temp. (Supply/Return), Flow rate, Pressure (Supply/Return, Filter ΔP)
    Dew-point Temp.
  43. Conformance
  44. Safety: CE
  46. Features
  47. ▪️Leak Detection: Standard
  48. ▪️Dew Point Monitor: Standard
  49. ▪️Control Sensor Redundancy: Standard
  50. ▪️Variable Frequency Drivers (VFD): Standard
  51. ▪️Expansion Vessel: Standard
  52. ▪️Filling Tank: Standard
  53. ▪️Auto-restart Function: Standard
  54. ▪️Pump Redundancy: N mode
  55. ▪️Grouping Control: Standard
  57. All specifications are subject to change without prior notice.

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