Description
Key features
Up to 80% Energy Saving
Remote Smartphone Control
Easy Installation
Super Silent
Advantages & benefits
- Environmentally friendly R290 for near-zero emissions (GWP = 3)
- A+ energy class and highly efficient COP of up to 3.51
- Optional Wi-Fi control and smart connectivity via the Ariston NET app
- Super quiet operation at 48 dBA
- System integration with other Ariston devices
- Titanshield technology and magnesium anode for maximum protection against corrosion and limescale
- Various operating modes including Green, Green+, Boost and I-Memory to increase efficiency and comfort
- Integrated photovoltaic function
- Compact size for flexible installation
- User-friendly interface for easy working mode selection
Discover its features
R290 for Low Environmental Impact
The NUOS models are designed as an energy-efficient alternative to traditional electric storage water heaters with a COP of up to 3.5 and A+ energy class.
Up to 80% Energy Saving
The renewable heat pump technology used by Nuos S2 converts heat from the air into energy for domestic hot water, ensuring up to 80% energy saving compared to traditional electric storage water heaters.
System Integration
For added efficiency, Nuos S2 offers full system integration with Boilers, HHP and Solar, meaning it can use self-generated electricity to power your hot water.
Flexible Installation in New Builds and Major Renovations
The compact design and versatile installation make the Nuos suitable to install with no structural changes to your home. The possibility to duct the outlet in multiple directions allows the Nuos S2 to be installed even in tight spaces.
Quiet Performance, Day and Night
With an operating noise of just 48 dBA, Nuos S2 ensures quiet performance at all times, with an additional Night function to further reduce noise levels.
Intuitive, User Friendly Control
Nuos S2 is designed for simplicity and efficiency with user-friendly controls for smooth operation.
Smart Connectivity
Ariston NET is the smart app to manage your comfort that offers you easy control and prompt assistance, enabling energy saving for a more sustainable way of living.
Technical data
| Specification | Nuos Plus S2 Wi-Fi 200D | Nuos Plus S2 Wi-Fi 250I |
|---|---|---|
| Description | ||
| Rated tank capacity (L) | 200 | 245 |
| Insulation thickness (mm) | 50 | 50 |
| Heat pump | ||
| Max. electrical power consumption (W) | 600 | 600 |
| Global warming potential (R290) | 3 | 3 |
| Refrigerant charge (kg) | 0.15 | 0.15 |
| EN 16147 | ||
| COP | 3.16 | 3.51 |
| Heating time (h:min) | 08:08 | 08:44 |
| Pes (W) | 24 | 26 |
| Tapping profile | L | XL |
| ErP 812/2013 – 814/2013 | ||
| Mixed water at 40°C — V40 | 278 | 339 |
| Temperature setting (°C) | 55 | 55 |
| Heating element | ||
| Heating element power (W) | 1800 | 1800 |
| Max. water temperature with heating element (°C) | 65 | 65 |
| Max. current consumption (A) | 10.5 | 10.5 |
| Power supply | ||
| Voltage / max. power consumption | 1800W | 220-240V~50Hz 2400W |
| Protection rating (IP) | IPX4 | IPX4 |
| Air side | ||
| Standard air flow rate (automatic modulating control) (m³/h) | 380 | 380 |
| Available static pressure (Pa) | 189 | 189 |
| Minimum volume of room of installation (m³) | 20 | 20 |
| Product codes | ||
| Ariston product code (incl. unvented kit) | 4057138 | 4057139 |
