Australia
New Zealand
Greece
Ground source heat pump with the option of water/water operation with intermediate brine circuit.
The Vitocal 300-G is ideal for large detached houses and apartment buildings. It utilises heat that's right on your doorstep, either with a single-stage brine/water heat pump from 21.2 to 42.8 kW, or with a water/water heat pump from 28.1 to 58.9 kW – each tailored to the specific heat demand.
For apartment buildings or applications that require very high outputs, the two-stage Vitocal 300-G, based on the master/slave principle, is the right choice. It can deliver a heating output from 42.4 to 85.6 kW (brine/water) or from 56.2 to 117.8 kW (water/water). You also have the choice between the groundwater or the ground as your preferred heat source.
If this output is not enough, up to five master/slave combinations can be interconnected via the cascade function integrated in the control unit, which can increase the output to as much as 589 kW (water/water).
Integrated Vitotronic control system with plain‑text and graphic display for intuitive operation and clear system overview.
Controls:
Space heating
Domestic hot water (DHW)
System coordination in single or cascade installations
Built‑in control logic for cascade systems, enabling efficient load sharing and redundancy.
Prepared for Smart Grid integration, supporting future energy management and demand‑based operation.
Designed for optimised PV self‑consumption, allowing intelligent use of self‑generated electricity.
| Document Name | Description | Document Type | Language | Action |
|---|---|---|---|---|
| Technical Brochure | Heat Pumps | English | Download |
The two‑stage version provides:
Higher heating output
Improved efficiency at part load
Better adaptation to varying heat demand.
Yes. Multiple Vitocal 300‑G units can be connected in cascade systems with total outputs of up to 428 kW.
Yes. It supports master/slave operation and can be combined with Vitocal 350‑G units for flexible system design.
Yes. The system can deliver flow temperatures up to 60 °C, suitable for a wide range of heating applications.
Get directed to our Business Development team to start the authorization process and discuss sales support.
Get specialized help with system sizing, load
calculation analysis, and technical data required for project design.
Request support for warranty claims,
scheduled maintenance, and genuine spare
parts ordering.
For more information : ahi@ahi-carrier.com