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Viessmann unveils ground-source heat pump for space, water heating – pv magazine International


Viessmann has developed a warmth pump for residential purposes that may produce 5.8 kW to 10.4 kW of warmth. It has a capability to warmth 220 liters of home water, with a coefficient of efficiency (COP) of as much as 4.8 for area heating and three.14 for water heating.

Germany-based heating specialist Viessmann has launched a brand new line of ground-source warmth pumps for residential purposes. They’re particularly appropriate for indifferent homes and new buildings.

Vitocal 222-G is available in three variations, with heating outputw between 5.8 kW and 10.4 kW, and a COP as much as 4.8. It’s reported to have a seasonal coefficient of efficiency (SCOP) of as much as 5.4 for heating in chilly climates. The utmost move temperature is 65 C, which can be utilized with standard radiators.

They’ve an built-in hot-water cylinder, with a capability to warmth 220 liters of home sizzling water at a COP of three.14. They will present sizzling water to the home at a most temperature of 58 C. The minimal temperature of the bottom supply is -10 C and the utmost is 25 C.

The bottom-source warmth pump measures 680 mm x 600 mm x 2,000 mm. The 5.8 kW gadget weighs 277 kg and the ten.4 kW one weighs 28 kg. They use R410A refrigerant with a worldwide warming potential (GWP) of 1,924.

“The casing of the compact equipment utterly protects the refrigeration module/hydraulic compartment from the exterior setting and, mixed with three-dimensional anti-vibration mounts, reduces working noise,” Viessmann claims on the product’s web site. The warmth pump produces a noise of 46 dBA, which is decrease than the noise of the fridge.

The Vitocal 222-G was just lately put in in a residence within the UK, the place it was powered by a rooftop set up with 16 PV panels with 325 W output every, in line with a Viessmann assertion.

“The panels are managed by an app, with the 5.2 kW of vitality they produce saved in an 8.2kWh battery for later use,” mentioned the heating specialist. “The vitality not wanted by the Vitocal warmth pump is absolutely used within the family for issues like immersion heating and charging the electrical car, because of a expertise that limits the export that places the suggestions to the grid at 3.68 kW.”

The set up of the ground-source warmth pump required the digging of two 100 meter deep boreholes, in a backyard measuring 25 meters by 25 meters.

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