Replacement CRAH

Increase cooling capacity and achieve significant energy savings without redesigning your data center. chilled

STULZ Replacement CRAHs are high capacity, direct drop-in,  chilled water units.  They replace inefficient legacy units and provide instant energy savings and improved performance.

Replacement CRAHs Apply to:

  • Liebert FH 422C

  • Liebert FH 529C

  • Liebert FH 600C

  • Liebert FH 740C

Why Replace?

For existing data center owners who need to replace old, unreliable CRAHs quickly and efficiently, STULZ provides a low cost, highly efficient replacement.

  • Uses existing floor stands, electrical and piping connections
  • Lowers maintenance costs
  • Provides advanced communication and control capabilities
  • Lowers operating costs


  • STULZ cabinet and unique design features allow a direct drop-in replacement

  • No modification to existing piping mains, primary electric, or floorstand


  • STULZ V-Coil arrangement

  • Energy savings advantages of up to 40%, simply by replacing the CRAH

  • Additional energy savings of 50% and beyond can be achieved using advanced controls

  • Increased air volume at maximum fan speed

  • EC Fans operate at lower speeds, lower energy, even airflow

  • EC Fans consume less energy, therefore higher net cooling capacity

  • EC Fans provide optimized under-floor pressure and balanced airflow

  • Fast ROI; qualifies for utility rebates

E2 Controller

  • The E2 Controller will allow communication with all major BMS/BAS systems
  • Updated existing control options (under-floor pressure control; return or supply air temperature control; independent fan and valve control)
  • Uwe Kudszus, Product Manager

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  • STULZ CyberSonic Brochure

    • File: STULZ_CyberSonic_Brochure_1010_en.pdf

    • Type: Adobe PDF

    • Size: 816,54 KB

    • Language: English

    • Date: 2010-10-01

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