Boiler DEFRO CALORI 15 kW
SKU: F1702
EAN: 2010000029947
Product details
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Defro CALORI Pellet Boilers
The Defro CALORI series boilers are modern and eco-friendly heating devices designed for the automatic combustion of wood pellets. They are engineered to ensure high energy efficiency and user comfort while meeting the stringent emission standards of the Ecodesign directive. Offering a wide range of power options, the CALORI boilers are a reliable source of heat for various types of buildings.
Key Features of Defro CALORI Boilers:
- Automatic Pellet Combustion: The boiler is designed for automatic operation, using recommended pellets or wood briquettes as fuel, providing ease of use.
- High Thermal Efficiency: These devices boast a high operational efficiency, exceeding 84% at nominal power, resulting in effective fuel utilization.
- Ecodesign Compliance: The boilers meet the requirements of Commission Regulation (EU) 2015/1189 (Ecodesign), characterized by low emissions of particulates (PM), carbon monoxide (CO), organic gaseous compounds (OGC), and nitrogen oxides (NOx).
- Wide Power Range: The series includes models with varying nominal power (from approximately 11 kW to about 30 kW), allowing for adaptation to the heating needs of different buildings.
- Automated and Efficient Operation: The boilers are designed for optimal performance, recommending operation with a suitably selected buffer hot water tank to maximize efficiency and system stability.
Who is this a good choice for?
The Defro CALORI pellet boilers are an excellent choice for homeowners of single-family houses, both new and retrofitted, who are looking for a reliable, eco-friendly, and largely maintenance-free heat source. The wide range of available power options allows for selecting the appropriate model for different building sizes, ensuring thermal comfort while respecting the environment and complying with current standards.
Technical Specification – DEFRO CALORI Boilers (11-30 kW)
| Parameter | CALORI 11 | CALORI 15 | CALORI 20 | CALORI 24 | CALORI 30 |
|---|---|---|---|---|---|
| Device Parameters | |||||
| Model Identifier | CALORI 11 | CALORI 15 | CALORI 20 | CALORI 24 | CALORI 30 |
| Fuel Feeding Method | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 220 l capacity | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 300 l capacity | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 400 l capacity | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 480 l capacity | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 600 l capacity |
| Condensing Boiler | No | No | No | No | No |
| Co-generation Boiler for Solid Fuel | No | No | No | No | No |
| Multi-functional Boiler | No | No | No | No | No |
| Fuel and Emissions related to Seasonal Room Heating | |||||
| Fuel | (recommended / other suitable) | ||||
| Logs, moisture ≤ 25 % | No / No | No / No | No / No | No / No | No / No |
| Wood chips, moisture 15-35 % | No / No | No / No | No / No | No / No | No / No |
| Wood chips, moisture > 35 % | No / No | No / No | No / No | No / No | No / No |
| Pressed wood in the form of pellets or briquettes | Yes / No | Yes / No | Yes / No | Yes / No | Yes / No |
| Sawdust, moisture ≤ 50 % | No / No | No / No | No / No | No / No | No / No |
| Other wood biomass | No / No | No / No | No / No | No / No | No / No |
| Non-wood biomass | No / No | No / No | No / No | No / No | No / No |
| Hard coal | No / No | No / No | No / No | No / No | No / No |
| Lignite (including briquettes) | No / No | No / No | No / No | No / No | No / No |
| Coke | No / No | No / No | No / No | No / No | No / No |
| Anthracite | No / No | No / No | No / No | No / No | No / No |
| Briquettes from mixed fossil fuels | No / No | No / No | No / No | No / No | No / No |
| Other fossil fuels | No / No | No / No | No / No | No / No | No / No |
| Briquettes from a mixture (30-70 %) of biomass and fossil fuel | No / No | No / No | No / No | No / No | No / No |
| Another mixture of biomass and fossil fuel | No / No | No / No | No / No | No / No | No / No |
| Seasonal energy efficiency for room heating (ηs) (%) – Recommended Fuel | 80 | 79 | 80 | 80 | 80 |
| PM Emission (mg/m³) – Recommended Fuel | 15 | 18 | 15 | 16 | 16 |
| OGC Emission (mg/m³) – Recommended Fuel | 18 | 15 | 15 | 14 | 15 |
| CO Emission (mg/m³) – Recommended Fuel | 346 | 403 | 433 | 287 | 321 |
| NOₓ Emission (mg/m³) – Recommended Fuel | 151 | 146 | 149 | 155 | 140 |
| Properties when using only the recommended fuel | |||||
| Generated Useful Heat | |||||
| at nominal thermal power (Pn) (kW) | 11.2 | 15.5 | 21.0 | 24.2 | 29.8 |
| at 30 % of nominal thermal power (Pp) (kW) | 3.0 | 4.0 | 6.0 | 6.9 | 8.9 |
| Operational Efficiency | |||||
| at nominal thermal power (ηn) (%) | 84.7 | 84.0 | 84.3 | 84.4 | 84.3 |
| at 30 % of nominal thermal power (ηp) (%) | 85.1 | 83.5 | 84.1 | 83.9 | 83.8 |
| For solid fuel cogeneration boilers: electrical efficiency | |||||
| at nominal thermal power (ηel,n) (%) | n/a | n/a | n/a | n/a | n/a |
| Electricity consumption for own needs | |||||
| at nominal thermal power (elmax) (kW) | 0.078 | 0.081 | 0.118 | 0.127 | 0.125 |
| at 30 % of nominal thermal power (elmin) (kW) | 0.026 | 0.030 | 0.031 | 0.038 | 0.034 |
| Secondary devices for emission reduction, where applicable | n/a | n/a | n/a | n/a | n/a |
| in standby mode (PSB) (kW) | 0.002 | 0.002 | 0.002 | 0.002 | 0.002 |
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