Solar DHW CylinderauroSTOR VIH S 300-500l

Affordable and efficient hot water cylinder for solar systems.

Solar cylinder designed to maximise solar energy for domestic hot water
Storage capacities from 300 to 500 litres
Connection option for auxiliary water heating
Optional electric heating element for added security
High-quality materials with reliable corrosion protection

The auroSTOR is the ideal hot water cylinder for solar thermal systems in single‑family homes. Offering an excellent price‑performance ratio, it is perfect for solar‑assisted domestic hot water heating in households of up to six people. It features an efficient steel‑enamelled solar heat exchanger, carefully designed and positioned within the cylinder to maximise the free use of the sun’s energy. Depending on the model, a backup boiler and/or an electric heating element can be connected to ensure the desired hot water temperature is reached when sunlight is insufficient. In every season, you can count on a constant supply of hot water. Made from high‑quality materials, the cylinder guarantees safe, reliable performance over many years.

Ideal for:

Hot water

Technical data table overline

Technical data table headline

auroSTOR
VIH S 300	VIH S 400	VIH S 500

ErP

ErP Energy Efficiency Class Hot Water Storage Tanks	ErP Energy Efficiency Class Hot Water Storage Tanks

auroSTOR
VIH S 300	VIH S 400	VIH S 500

Cylinder

Cylinder Nominal Capacity	Cylinder Nominal Capacity	275 l	375 l	500 l

Heat Exchanger

Heat Exchanger Solar (Heating Area / Heat Exchanger Content)	Heat Exchanger Solar (Heating Area / Heat Exchanger Content)	1,6 m² / 9,4 l	1,6 m² / 9,4 l	2,1 m² / 14,2 l
Heat Exchanger Heating (Heating Area / Heat Exchanger Content)	Heat Exchanger Heating (Heating Area / Heat Exchanger Content)	0,65 m² / 5,5 l	0,65 m² / 5,5 l	1 m² / 6,6 l

Insulation And Heat Loss

Standby Heat Loss	Standby Heat Loss	≦ 3,1 kWh/24h	≦ 3,6 kWh/24h	≦ 2,3 kWh/24h

Connections

Connection Dimension Heating (Flow, Return)	Connection Dimension Heating (Flow, Return)	G 1″	G 1″	G 1″
Connection Dimension Cold Water, Domestic Hot Water	Connection Dimension Cold Water, Domestic Hot Water	G 1″	G 1″	G 1″
Connection Dimension Solar	Connection Dimension Solar	G 1″	G 1″	G 1″

Dimensions

Height / Width / Depth	Height / Width / Depth	1.580 mm / 620 mm / 620 mm	1.620 mm / 680 mm / 680 mm	1.775 mm / 810 mm / 810 mm
Weight (Unpackaged, Net)	Weight (Unpackaged, Net)	185 kg	185 kg	185 kg
Height / Width / Depth (Dimension When Positioning)	Height / Width / Depth (Dimension When Positioning)	1.580 mm / 620 mm / 620 mm	1.620 mm / 680 mm / 680 mm	1.775 mm / 810 mm / 810 mm
Weight (Dimension When Positioning)	Weight (Dimension When Positioning)	185 kg	205 kg	225 kg
Weight Ready for Operation	Weight Ready for Operation	460 kg	580 kg	682 kg
Tilt Dimension	Tilt Dimension	1.698 mm	1.757 mm	1.952 mm

Limitations

Operating Pressure Domestic Hot Water (max)	Operating Pressure Domestic Hot Water (max)	10 bar	10 bar	10 bar
Operating Pressure Heating (max)	Operating Pressure Heating (max)	16 bar	16 bar	16 bar
Operating Pressure Solar (max)	Operating Pressure Solar (max)	10 bar	10 bar	10 bar
Temperature Heating (max)	Temperature Heating (max)	110 °C	110 °C	110 °C
Temperature Domestic Hot Water (max)	Temperature Domestic Hot Water (max)	85 °C	85 °C	85 °C
Temperature Solar (max)	Temperature Solar (max)	110 °C	110 °C	110 °C

Downloads overline

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Operating Instructions

auroSTOR VIH S 300-500l Operating & Installation InstructionVIH S 300, VIH S 500PDF (2.22 MB)