Vitocal 300-G

Viessmann Light Commercial
Vitocal 300-G
Heat Pumps

Vitocal 300-G

Ground source heat pump with the option of water/water operation.

  • Rated heating output: 4.3 to 10 kW
  • Cooling function
  • Very low running costs
  • Barely audible

Features

Rated Heating Output (Inverter‑Driven)

  • Brine/water operation: 4.3 to 7.5 kW
  • Water/water operation: 5.6 to 10.0 kW
Inverter technology enables precise output matching to actual heat demand.

Very Low Running Costs

Achieved through an output‑dependent refrigerant circuit combined with innovative inverter technology, reducing energy consumption during part‑load operation.

Extremely Quiet Operation

Barely audible even when installed close to living spaces, thanks to a new sound insulation concept.

Heating and Cooling in One System

Integrated cooling function allows year‑round indoor comfort using a single heat pump system.

Control / Integrations

Integral Vitotronic Control Unit

Equipped with an integrated Vitotronic control system, providing intuitive and centralised control of:

Heating
Cooling
Domestic hot water (DHW)
Compatible ventilation systems

High Operating Convenience

The plain‑text and graphic display ensures clear system information, simple parameter adjustment, and ease of use for homeowners and installers.

Smart Energy Integration

Designed for intelligent interaction with PV systems, enabling optimised self‑consumption and improved overall energy efficiency.

Web‑Enabled via Vitoconnect (Accessory)

With Vitoconnect, the system can be connected to the internet for:

Remote operation
Monitoring
Servicing
via the free ViCare app.

Technical Documents

Document Name Description Document Type Language Action
Data Sheet Specification PDF German Download
Brochure Vitocal 300‑G PDF German Download
Technology brochure Heat Pumps PDF German Download
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