Vitocal 350-HT Pro

Viessmann Light Commercial
Vitocal 350-HT Pro
Large Heat Pumps

Vitocal 350-HT Pro

High temperature brine/water heat pump with the option of water/water operation with intermediate brine circuit.

  • Rated heating output: 56.6 to 351.5 kW
  • Flow temperatures up to 90 °C
  • Low running costs with maximum efficiency
  • PLC control unit with colour touchscreen

Features

  • High Rated Heating Output

    Brine/water operation: 56.6 to 144.9 kW (B0/W35) Water/water operation: 133.3 to 351.5 kW (W45/W90)
  • Very High Flow Temperatures

    Up to 90 °C, making it especially suitable for:
    • waste heat utilization
    • high‑temperature heating networks
    • industrial and commercial applications
  • Optimised Use of Waste Heat

    Supports primary source temperatures up to 45 °C, enabling efficient recovery and reuse of industrial waste heat.
  • Maximum Efficiency with Low Running Costs

    Achieved through an innovative refrigerant cycle diagnostic system combined with an electronic expansion valve, ensuring optimum performance at all operating points.
  • Low Service Costs

    Automatic leakage monitoring reduces maintenance effort and increases operational safety.
  • Low Sound Power

    Sound power level < 66 dB(A), suitable for installation in technical rooms and noise‑sensitive environments.

Technical Documents

Document Name Description Document Type Language Action
Technology brochure Heat pumps up to 600 kW PDF English Download

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