Boiler DEFRO DELTA EkoPELL 10 kW Left/Right
Product details
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Defro Pellet Boilers – DELTA EKOPELL Series
The Defro DELTA EKOPELL series pellet boilers are modern, automatic heating systems designed for efficient and eco-friendly combustion of wood pellets. Compliant with the stringent requirements of the Ecodesign Directive, they offer high user comfort and reliable heating for various types of buildings, all while meeting the high standards of energy class A+.
Key Features of Defro DELTA EKOPELL Boilers:
- Automatic pellet combustion: The boiler is designed for convenient and efficient automatic combustion of wood pellets, minimizing the need for manual operation.
- High energy efficiency: These units boast an A+ energy rating and a high seasonal space heating efficiency of up to 80%, ensuring economical fuel consumption.
- Eco-friendly and compliant with regulations: The boilers meet the requirements of the Ecodesign Directive (Commission Regulation (EU) 2015/1189) and are characterized by low emissions of particulate matter (PM), carbon monoxide (CO), organic gaseous compounds (OGC), and nitrogen oxides (NOx).
- Wide power range: The series includes models with nominal outputs of 10, 15, 20, 25, and 30 kW, allowing precise selection based on the specific heating needs of a building.
- Optimal operation with buffer tank: For the most stable and efficient heating performance, it is recommended to operate the boiler in combination with a properly sized domestic hot water buffer tank (with a capacity of at least 200–600 liters depending on the model).
Who is this boiler ideal for?
Defro DELTA EKOPELL boilers are an excellent choice for homeowners and small commercial building owners looking for a modern, efficient, eco-friendly, and largely maintenance-free heat source. Their compliance with Ecodesign standards and high energy efficiency rating make them an ideal solution for both new constructions and building renovations where heating efficiency and environmental responsibility are top priorities.
Technical Specification – DEFRO DELTA EKOPELL Boilers (10-30 kW)
Parameter | DELTA EKOPELL 10 | DELTA EKOPELL 15 | DELTA EKOPELL 20 | DELTA EKOPELL 25 | DELTA EKOPELL 30 |
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Device Parameters | |||||
Model Identifier | DELTA EKOPELL 10 | DELTA EKOPELL 15 | DELTA EKOPELL 20 | DELTA EKOPELL 25 | DELTA EKOPELL 30 |
Fuel Feed Method | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 200 liters | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 300 liters | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 400 liters | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 500 liters | Automatic fuel feeding: it is recommended to operate the boiler with a hot water storage tank of at least 600 liters |
Condensing Boiler | No | No | No | No | No |
Combined Heat and Power (CHP) Boiler for Solid Fuel | No | No | No | No | No |
Multifunctional Boiler | No | No | No | No | No |
Parameters According to Regulation 2015/1187 | |||||
Energy Efficiency Class | A+ | A+ | A+ | A+ | A+ |
Nominal Thermal Power (kW) | 10 | 15 | 20 | 25 | 30 |
Energy Efficiency Index (EEI) | 116 | 118 | 118 | 118 | 118 |
Seasonal Energy Efficiency for Space Heating (ηs) (%) | 78 | 80 | 80 | 80 | 80 |
Fuel and Emissions Related to Seasonal Space Heating | |||||
Fuel | (recommended / other suitable) | ||||
Logs, moisture ≤ 25 % | No / No | No / No | No / No | No / No | No / No |
Chips, moisture 15-35 % | No / No | No / No | No / No | No / No | No / No |
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 |
Brown Coal (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 Fuel | 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 |
Other Biomass and Fossil Fuel Mix | No / No | No / No | No / No | No / No | No / No |
PM Emission (mg/m³) – Recommended Fuel | 19 | 15 | 16 | 15 | 16 |
OGC Emission (mg/m³) – Recommended Fuel | 14 | 8 | 16 | 16 | 15 |
CO Emission (mg/m³) – Recommended Fuel | 334 | 301 | 388 | 352 | 339 |
NOₓ Emission (mg/m³) – Recommended Fuel | 104 | 111 | 107 | 96 | 90 |
Properties When Operating with Recommended Fuel Only | |||||
Produced Usable Heat | |||||
at nominal thermal power (Pn) (kW) | 10.0 | 14.5 | 19.8 | 24.9 | 29.4 |
at 30 % nominal thermal power (Pp) (kW) | 2.8 | 3.9 | 5.4 | 6.7 | 8.8 |
Usable Efficiency | |||||
at nominal thermal power (ηn) (%) | 85.1 | 84.6 | 84.6 | 84.6 | 84.7 |
at 30 % nominal thermal power (ηp) (%) | 83.4 | 84.4 | 84.0 | 84.3 | 84.3 |
for Solid Fuel Combined Heat and Power Boilers: Electric 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) | 0.074 | 0.078 | 0.099 | 0.116 | 0.126 |
at 30 % nominal thermal power (elmin) (kW) | 0.025 | 0.026 | 0.030 | 0.034 | 0.036 |
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 |