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Vitocal 250-A

Air source heat pump

The Vitocal 250-A is an air source heat pump in monoblock design

Rated heating output: 2.6 to 13.4 kW
Specially developed for modernisation
Particularly efficient, sustainable operation
Cooling function

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Rated heating output

2.6 to 13.4 kW

Highly suitable for modernisation

With 70 °C flow temperature (at an outside temperature down to -10 °C)

Climate Protect +++: Protects the environment and the climate

Environmentally responsible, natural refrigerant R290 (propane) with a particularly low GWP100 (global warming potential) of 0.02

OptiPerform

Reliable operation with high efficiency

Service Link

Guaranteed faster response time if a service is required

Super silent

Whisper-quiet operation allows free placement on the property

Cooling function

Heating and cooling in one

Low running costs due to high efficiency

COP (coefficient of performance) to EN 14511: up to 5.3 (at A7/W35)

60 % less space required

Compared to comparable models

Integrated energy management system

Ensures transparency in energy consumption and costs

ViCare app

For easy operation

Vitocal 250-A heat pump in use in a modernised older building

Highly suitable for modernisation:  Vitocal 250-A

The new generation of heat pumps

Reliable, compact and more environmentally responsible than ever – the new, innovative heat pump technology from Viessmann makes particularly efficient use of environmental energy for heating and cooling. With a flow temperature of up to 70  °C, the  Vitocal 250-A was specially developed for modernisation projects. Existing radiators can continue to be used. Underfloor heating is not essential. High energy efficiency, convenient control via app, sustainable operation and attractive design are all convincing features.

Benefits of the Vitocal 250-A

Climate Protect+++ protects the environment and the climate

The new heat pumps in the  Vitocal 25x series use the "green" refrigerant R290 (propane), which is considered particularly environmentally responsible with its very low GWP100 (global warming potential) of 0.02.

The Climate Protect label is based on the TEWI (total equivalent warming impact) indicator, which identifies the lifecycle efficiency of the appliance and the global warming potential of the refrigerant used.

OptiPerform –– reliable operation with maximum efficiency

The advanced heat pumps from Viessmann work with a patented hydraulic system. With Hydro AutoControl®, the heat pump is operated reliably and with maximum efficiency throughout its entire service life. The unique design not only ensures that your contractor can set up the heat pump with OptiPerform much faster and, therefore, more cost effectively. It also takes up much less space because it is up to 60  percent smaller than comparable systems.

Service link - quick service response times

Heat pumps with a service link use wireless technology to automatically notify the trade partner of any possible faults. Completely free of charge. This eliminates unnecessary travel, as on-site servicing is quicker. Saving time and money.

Super silent –– whisper-quiet in full and partial load operation

Viessmann heat pumps are among the quietest of their kind thanks to advanced acoustic design+, and include a sound-optimised fan. Combined with intelligent speed control, it significantly reduces airborne noise in both full and partial load operation. As a result, the outdoor unit can be installed even in densely built-up areas such as terraced housing or close to the property boundary.

Product details

Rated heating output (kW), operating point A7/W35 (to EN 14511)

Type 251.A10: 7.3  kW | type 251.A13: 8.1  kW

Coefficient of performance ε (COP) A7/W35

Type 251.A10: 5.3 | type 251.A13: 5.2

Energy efficiency ƞs*

Energy efficiency ƞs at W35 in %: Type 251.A10: 197 | type 251.A13: 181

*Heating performance data in line with Commission Regulation (EU) No  813/2013 under average climatic conditions for low temperature application (W35) and medium temperature application (W55)

Energy efficiency class, DHW heating

-

Application area

Detached houses, modernisation projects

Operation

Heat pump control unit with 7  inch colour touchscreen, operation via ViCare app possible

DHW heating

Additional DHW cylinder required, resulting in a high level of DHW convenience.

Additional features

For room heating/cooling and DHW heating | Maximum flow temperature: 70  °C (at an outside temperature of down to ––10  °C) | Monoblock indoor unit with heat pump control unit, high efficiency circulation pump for the secondary circuit, 4/3-way valve, safety assembly | Integral instantaneous heating water heater | Integral heating water buffer cylinder and overflow valve

Product cross-section of indoor unit with one integral heating/cooling circuit
Product cross-section of indoor unit with two integral heating/cooling circuits
Product cross-section, outdoor unit
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