1. Einleitung
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your SAWO ARIES ROUND ARI3 Electric Sauna Heater. Please read this manual thoroughly before installation and use, and keep it for future reference.
Produkt überview
The SAWO ARIES ROUND ARI3 is a high-quality electric sauna heater designed for both home and commercial use. Its vertical cylindrical shape ensures efficient heat distribution and steam generation. The heater features a durable stainless steel casing and an intuitive integrated control panel for ease of use.

Figure 1: SAWO ARIES ROUND ARI3 Electric Sauna Heater with sauna stones.
Sicherheitshinweise
Always follow local electrical codes and safety regulations. Installation should be performed by a qualified electrician.
- Do not cover the heater or place any objects on it.
- Sorgen Sie für eine gute Belüftung im Saunaraum.
- Halten Sie Kinder und Haustiere von der heißen Heizung fern.
- Never use ceramic or artificial stones; only use genuine sauna stones.
- Disconnect power before any maintenance or service.
2. Einrichtung und Installation
Auspacken und Inspektion
Carefully unpack the sauna heater and inspect it for any signs of damage during transit. Report any damage to your supplier immediately.
Stone Placement
The ARI3 model can hold up to 60 kg of sauna stones (diameter 5-10 cm). Arrange the stones loosely around the heating elements to allow for proper air circulation. Do not pack stones too tightly. The heating elements are separated from the stones by a special stone spacer to prolong their lifespan.

Abbildung 2: Nahaufnahme view of the heater's base and integrated controls.
Elektrische Verbindung
The SAWO ARIES ROUND ARI3 is a multi-voltage heater, supporting either 230V single-phase (fuse: 1x40A) or 400V 3-phase (fuse: 3x16A) installation. Ensure the electrical supply matches the heater's requirements. The connection cable must be type HO7RN-F or equivalent and is not included.
- Für alle elektrischen Anschlüsse sollten Sie einen qualifizierten Elektriker hinzuziehen.
- Ensure the main power supply is disconnected before wiring.
- Refer to the wiring diagram provided with the heater for specific connections.
Placement and Safety Distances
The heater is a floor-standing model. Maintain minimum safety distances from walls and ceiling.
| Messung | Distanz |
|---|---|
| Mindestabstand zur Decke | 1200 mm |
| Minimum distance to side walls | 100 mm |

Figure 3: Heater installed in a sauna, demonstrating vertical placement.
3. Bedienungsanleitung
Integriertes Bedienfeld
The SAWO ARIES ROUND ARI3 features a convenient built-in control panel with an intuitive interface. The illuminated rotary knobs allow for easy adjustment even in low light conditions. The timer and thermostat controls can be switched sides for user convenience.

Figure 4: Heater with an optional wooden guard ring, highlighting the integrated controls at the base.
Einstellen des Timers
The timer has an operating time of 1 to 4 hours and a preset time function of 1 to 8 hours.
- Turn the timer knob to select the desired operating duration.
- For a delayed start, use the preset time function to set when the heater should begin operation.
Temperatur einstellen
The thermostat automatically maintains the selected temperature.
- Turn the thermostat knob to set your desired sauna temperature.
- The heater will cycle on and off to maintain this temperature.
Generating Steam
You can generate steam by pouring water onto the hot sauna stones, not only from the top but also from the sides due to the heater's efficient cylindrical design. Use only clean water.
4. Wartung
Reinigung
Ensure the heater is completely cool and disconnected from power before cleaning. Wipe the stainless steel casing mit Adamp Tuch. Keine Scheuer- oder Lösungsmittel verwenden.
Sauna Stone Replacement
Sauna stones should be inspected regularly and replaced when they start to crumble or lose their porous structure. This typically occurs every 1-2 years depending on usage. Replacing stones ensures efficient heating and proper steam generation.

Abbildung 5: Nahaufnahme view of the sauna stones within the heater's stainless steel grid.
5. Fehlerbehebung
If you encounter issues with your SAWO ARIES ROUND ARI3 heater, refer to the following common problems and solutions. For more complex issues, contact a qualified service technician.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Heizung heizt nicht | No power supply; tripped circuit breaker; faulty heating element; thermostat set too low. | Check power connection and circuit breaker. Ensure thermostat is set correctly. If elements are faulty, contact service. |
| Sauna not reaching desired temperature | Insufficient heating time; sauna room too large for heater; poor insulation; stones packed too tightly. | Allow more time for heating. Verify sauna room volume is within heater's capacity (8-13 m³). Rearrange stones for better airflow. |
| Excessive steam or water dripping | Too much water poured on stones; stones are too old/crumbling. | Pour less water. Replace old sauna stones. |
6. Technische Daten
| Besonderheit | Detail |
|---|---|
| Modell | ARI3-90NB-P |
| Leistungsabgabe | 9.0 kW |
| Abmessungen (H x B) | 930 mm x 300 mm |
| Gewicht | 14 kg |
| Installationstyp | Bodenständig |
| Max. Stone Capacity | 60 kg (stones Ø 5-10 cm) |
| Empfohlene Saunaraumgröße | 8-13 m³ |
| Bandtage Optionen | 230V 1-phase (1x40A fuse) or 400V 3-phase (3x16A fuse) |
| Material | Edelstahl |
| Bedienfeld | Integrated, illuminated timer (1-4h operation, 1-8h preset) and thermostat |
7. Garantie und Support
Garantieinformationen
The SAWO ARIES ROUND ARI3 heater comes with a manufacturer's warranty:
- Für den Heimgebrauch: 2 years for the heater.
- For Commercial Use: 1 year for the heater.
Please retain your proof of purchase for warranty claims. The warranty does not cover sauna stones or silicone connection cables, as these are not included with the heater.
Kundenservice
For technical assistance, spare parts, or warranty inquiries, please contact your local SAWO distributor or the point of purchase.
Hersteller: Sawo
Modellnummer: ARI3-90NB-P





