LTL CDU, GoCool-1000

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-1000
  2. Nominal Cooling Capacity: 
    1000 kW @5°C approach, 1000 LPM secondary flow rate, 1200 LPM primary flow rate, 1.0 LPM/kW
    750 kW @4°C approach, 1125 LPM secondary flow rate, 1200 LPM primary flow rate, 1.5 LPM/kW
  4. Primary Side
  5. Coolant Type: Water
  6. Nominal Coolant Flow Rate: 1200 LPM, 17°C primary inlet temperature
  7. Operation Pressure Drop: 136 kPa
  9. Secondary Side
  10. Coolant Type: 25%PG
  11. Nominal Coolant Flow Rate: 1000 LPM
  12. Approach Temperature: 5°C 
  13. Coolant Filter: 50 μm with isolation valves to enable hot-swappable (upgradeable to 25 μm)
  14. External Pressure Drop: 360 kPa
  16. Power Supply
  17. Nominal Power Supply Voltage: 380/400/415/480 Vac, 3P3W+PE
  18. Operating Voltage Range: 342-528 Vac
  19. Frequency: 50/60 Hz
  20. Dual Power Feed: Standard
  21. Automatic Transfer Switch: Standard
  22. DC UPS Backup Power: Standard
  23. MCU Controls: Standard
  24. Power Feeds Location: Top
  26. Deployment
  27. Primary Connection: 4'' Victaulic
  28. Secondary Connection: 4'' Victaulic
  29. Piping Connection Location: Bottom/Top
  31. Physical
  32. Dimensions (W x D x H): 900 x 1360 x 2300 mm (35.4” x 53.5” x 90.6”)
  33. Clearance
    Front: 900 mm (35.4”); Rear: 900 mm (35.4”)
  34. Net Weight
    With coolant: 1800 kg (3968 lb); Without coolant: 1500 kg (3307 lb)
  35. Noise Level: < 79 dBA (at 1 m)
  37. Communication Interface
  38. Display: 10'' color touchscreen 
  39. Protocols: SNMP, Modbus RTU, Modbus TCP/IP, BACnet
  40. 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.
  42. Conformance
  43. Safety: CE
  45. Features
  46. ▪️Leak Detection: Standard
  47. ▪️Dew Point Monitor: Standard
  48. ▪️Control Sensor Redundancy: Standard
  49. ▪️Variable Frequency Drivers (VFD): Standard
  50. ▪️Expansion Vessel: Standard
  51. ▪️Filling Tank: Optional
  52. ▪️Auto-restart Function: Standard
  53. ▪️Coolant Healthy Measurement: Optional
  54. ▪️Grouping Control: Standard
  56. All specifications are subject to change without prior notice.

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