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Vitocal 300-A

Viessmann Light Commercial
Vitocal 300-A
Air-Source Heat Pumps

Vitocal 300-A

Viessmann Vitocal 300‑A – High-Capacity Air Source Heat Pump
Powerful air-to-water heat pump for commercial and large residential applications, delivering 13.2 to 55.8 kW with two-stage operation, flow temperatures up to 64°C, and cascade capability up to 279 kW.

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Features

  • High Heating Capacity

    Outputs from 13.2 to 55.8 kW Suitable for large heat demands Designed for commercial and multi-residential applications Delivers reliable year-round heating performance

  • Two-Stage Compressor Technology

    Equipped with two compressors Optimized operation at both full and partial loads Approximately 70% of annual heating demand is typically covered under partial-load conditions Higher efficiency during everyday operation Reduced energy consumption and operating costs

  • Excellent Energy Efficiency

    COP up to 4.3 (A7/W35) High seasonal efficiency Reduced electricity consumption Lower lifecycle operating costs

  • Commercial Application Ready

    Ideal for: Office buildings Commercial facilities Apartment buildings Institutional properties Designed for larger heating loads Suitable for centralized heating systems

  • High Flow Temperatures

    Flow temperatures up to 64°C Reliable operation even at outdoor temperatures down to -22°C Compatible with: Radiator systems Domestic hot water production Existing heating systems

  • Efficient Defrosting

    Automatic refrigerant circuit reversal Fast and reliable defrosting Maintains system performance in winter conditions Improved operational efficiency

Technical Documents

Document NameDescriptionDocument TypeLanguageAction
Technology Brochure - Heat PumpsPDFGerman Download

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