1. Important Safety Information
Read this manual thoroughly before installation, operation, or maintenance. Failure to follow these instructions could result in property damage, bodily injury, or even death. Keep this manual for future reference.
- Professional Installation: This appliance must be installed by a qualified and certified technician in accordance with all local and national building and safety codes.
- Fuel Type: Use only high-quality wood pellets as specified by the manufacturer. Do not use other fuels.
- Hot Surfaces: The stove's exterior surfaces become extremely hot during operation. Keep children, pets, and combustible materials away from the appliance. Use protective gloves when handling hot parts.
- Ventilation: Ensure adequate ventilation in the installation area. Do not obstruct air inlets or outlets.
- Maintenance: Regular cleaning and maintenance are crucial for safe and efficient operation. Refer to the maintenance section for details.
- Emergency Shut-off: Familiarize yourself with the procedure to safely shut down the stove in an emergency.
2. Product Overview
The Nordica Extraflame Duchessa Idro Steel (Model: Minelli2) is a 13.1 kW hydro pellet stove designed for efficient heating. It features a robust steel casing and advanced controls for user convenience and safety.
Key Features:
- Power Output: 13.1 kW
- Casing: Durable steel construction, Bordeaux version.
- Ash Drawer: Integrated for easy ash removal.
- Ceramic Glass: Resistant to temperatures up to 750°C.
- Hydraulic System: Includes a standard circulation pump and expansion tank for connection to a central heating system.
- Heat Exchanger: Equipped with a manual cleaning system.
- Controls: Built-in thermostat, safety thermostat, chronothermostat, electric ignition, and remote control for convenient operation.
Figure 1: Front view of the Nordica Extraflame Duchessa Idro Steel Pellet Stove. This image shows the main body of the stove, including the pellet hopper lid, the ceramic glass door for the combustion chamber, and the control panel area. The steel casing is visible, indicating the robust construction of the appliance.
3. Installation
Installation of the Duchessa Idro Steel pellet stove must be performed by a certified professional to ensure compliance with all safety regulations and optimal performance.
3.1 Site Selection:
- Choose a location with adequate structural support for the stove's weight (approximately 158 kg).
- Ensure sufficient clearances from combustible materials as specified in local building codes and the stove's technical data sheet.
- The area must have access to a suitable chimney or flue system.
3.2 Chimney/Flue Connection:
Connect the stove to a dedicated and properly sized chimney or flue system. Ensure all connections are sealed and leak-proof to prevent smoke or carbon monoxide leakage.
3.3 Hydraulic Connections:
As a hydro stove, this appliance connects to your central heating system. A qualified plumber must connect the stove to the heating circuit, ensuring proper flow, return, and safety valve installations. The integrated circulation pump and expansion tank simplify this process, but professional expertise is essential.
3.4 Electrical Connection:
Connect the stove to a dedicated electrical outlet with appropriate voltage and amperage, as specified in the technical specifications. Ensure proper grounding.
4. Setup
4.1 Initial Filling of Pellet Hopper:
- Open the pellet hopper lid located on top of the stove.
- Carefully pour high-quality wood pellets into the hopper, ensuring no foreign objects enter. Do not overfill.
- Close the pellet hopper lid securely.
4.2 First Ignition (Priming the Auger):
For the first use, the auger system needs to be primed to feed pellets into the burn pot.
- Ensure the stove is connected to power and the main switch is ON.
- Access the control panel or use the remote control.
- Initiate the 'First Ignition' or 'Auger Prime' function (refer to the control panel's specific menu for exact steps). This will run the auger until pellets are visible in the burn pot.
- Once pellets are in the burn pot, the stove is ready for normal operation.
4.3 System Check:
Before full operation, ensure the hydraulic system is filled and bled of air, and all safety devices are functioning correctly. Consult your installer for this verification.
5. Operating Instructions
5.1 Turning On the Stove:
- Ensure the pellet hopper is sufficiently filled.
- Press the ON/OFF button on the control panel or remote control.
- The stove will initiate its ignition sequence: auger feeding, igniter activation, and fan startup. This process typically takes several minutes.
- Once a stable flame is detected, the stove will transition to normal operating mode.
5.2 Adjusting Temperature and Power:
Use the control panel or remote control to adjust the desired room temperature or heating power level. The integrated thermostat and chronothermostat allow for precise temperature management and programmable heating schedules.
- Thermostat: Set your desired room temperature. The stove will modulate its power to maintain this temperature.
- Chronothermostat: Program daily or weekly heating schedules to optimize comfort and pellet consumption.
- Power Levels: Manually select different power levels (e.g., P1 to P5) to increase or decrease heat output.
5.3 Turning Off the Stove:
Press the ON/OFF button again. The stove will enter a shutdown cycle, which involves stopping the pellet feed and running the fan to cool down the combustion chamber. Do not unplug the stove during this cycle.
6. Maintenance
Regular maintenance is essential for the longevity, efficiency, and safe operation of your pellet stove. Always ensure the stove is completely cool and unplugged before performing any maintenance.
6.1 Daily/Weekly Maintenance:
- Ash Drawer: Empty the ash drawer regularly (daily or every few days, depending on usage). Use a vacuum cleaner designed for ash.
- Burn Pot: Clean the burn pot and its holes to ensure proper airflow and combustion. Remove any clinkers or unburnt pellets.
- Ceramic Glass: Clean the ceramic glass with a specialized glass cleaner for stoves when cool.
6.2 Monthly/Seasonal Maintenance:
- Heat Exchanger: Utilize the manual cleaning system for the heat exchanger to remove soot and ash buildup, which can reduce efficiency.
- Flue Pipes: Inspect and clean the flue pipes connecting the stove to the chimney.
- General Cleaning: Clean the exterior of the stove with a soft, dry cloth.
6.3 Annual Professional Service:
It is highly recommended to have your pellet stove inspected and serviced annually by a qualified technician. This includes a thorough cleaning of the chimney, internal components, and a check of all safety systems.
7. Troubleshooting
This section addresses common issues you might encounter. For complex problems or error codes not listed, contact a qualified technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Stove does not ignite | No pellets in hopper; igniter failure; clogged burn pot; safety switch open. | Fill hopper; check igniter (contact technician); clean burn pot; ensure all doors are closed. |
| Low heat output | Poor quality pellets; clogged heat exchanger; incorrect power setting; dirty chimney. | Use recommended pellets; clean heat exchanger; increase power setting; clean chimney. |
| Excessive smoke | Blocked flue; poor draft; wet pellets; incorrect air settings. | Check and clean flue; ensure proper ventilation; use dry pellets; consult manual for air settings. |
| Stove shuts down unexpectedly | Overheating (safety thermostat); no pellets; power interruption; sensor error. | Allow stove to cool; refill hopper; check power supply; contact technician for sensor issues. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Extraflame |
| Model Number | Minelli2 |
| Power Output | 13.1 kW |
| Dimensions (W x D x H) | 53 cm x 54 cm x 103 cm |
| Weight | 158 kg |
| Casing Material | Steel |
| Ceramic Glass Resistance | Up to 750°C |
| Included Features | Circulation pump, expansion tank, manual cleaning heat exchanger, thermostat, safety thermostat, chronothermostat, electric ignition, remote control. |
9. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service, please contact your authorized Nordica Extraflame dealer or the manufacturer's customer service. Always provide the model number (Minelli2) and serial number of your appliance when seeking support.