Technical Specifications Overview:
The document provides detailed technical specifications for the Artemide-Bianca range of heating appliances, including models 15, 18, 22, 27, and 31. These appliances are designed for room heating with varying capacities based on the model.

Heating Capacity:
- The heatable volume ranges from 270 m3 to 570 m3 depending on the model, assuming a moderately isolated environment with a thermal requirement of 35 kcal/h per m3. Improved insulation can increase the heating capacity by 25%.

Power Specifications:
- Chimney power ranges from 4.4 kW to 32 kW.
- Nominal power ranges from 4.1 kW to 29.2 kW.
- Water power ranges from 3.8 kW to 25.9 kW.
- Radiation power ranges from 0.2 kW to 5.1 kW.

Efficiency and Consumption:
- Combustion efficiency ranges from 87.1% to 95.5%.
- Pellet consumption ranges from 0.9 kg/h to 6.6 kg/h.
- Pellet tank capacity varies from 18 kg to 55 kg, with autonomy ranging from 5 to 37 hours.

Temperature and Pressure:
- Maximum flow temperature is 85°C, and minimum return temperature is 50°C.
- Maximum operating pressure is 3 bar.

Dimensions and Weight:
- Dimensions vary by model, with the largest being 680x615x1307 mm.
- Weight ranges from 150 kg to 260 kg.

Additional Features:
- Smoke outlet diameter is either 80 mm or 100 mm depending on the model.
- Water content ranges from 16 liters to 47 liters.

Design Options:
The document also includes design options for different models, indicating variations in dimensions and configurations.