Vitocal 350-G

Viessmann Light Commercial
Vitocal 350-G
Brine/Water Heat Pump

Vitocal 350-G

  • Rated heating output: 20.5 to 104.6 kW
  • High performance due to two-stage design
  • Flow temperatures up to 70 °C
  • Low noise and low vibrations

Features

  • EVI for high flow temperatures

    The Vitocal 350-G achieves high flow temperatures of up to 70 °C. This results from the use of an EVI (enhanced vapour injection) refrigerant circuit, where the injection of vapour cools the refrigerant so that it can be more densely compressed than is otherwise possible. This means that the Vitocal 350-G is also suitable for modernisation projects involving radiator heating systems.
  • Master/slave system for DHW and central heating

    In a master/slave system, the Vitocal 350-G, as the master, delivers high flow temperatures for DHW heating, while the Vitocal 300-G (slave, without its own control unit) covers the required heat load. The EVI refrigerant circuit enables the Vitocal 350-G to achieve a very high COP of up to 5.0, which contributes to its low running costs.
  • Operation with self-generated solar power

    The Vitocal 350-G heat pump is already prepared for cost effective operation with self-generated power from a photovoltaic system. An intelligent control unit ensures maximum consumption of the self-generated power and therefore lowers energy costs.
  • Additional features

    • Brine/water heat pump, single-stage heating output: 20.5 to 42.3 kW; two-stage: 41.0 to 84.6 kW
    • Water/water heat pump, single-stage heating output: 25.4 to 52.3 kW; two-stage: 50.8 to 104.6 kW
    • Low running costs with the highest level of efficiency at every operating point through the innovative RCD (refrigerant cycle diagnostic) system with EEV (electronic expansion valve)
    • Energy efficiency class*: A++ / A++ *In accordance with Commission Delegated Regulation (EU) No 811/2013 for heating; average climatic conditions –– low (35 °C)/medium (55 °C) temperature applications

Technical Documents

Document Name Description Document Type Language Action
Technology brochure Heating with airborne and geothermal energy PDF English Download

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