Specifications Table for D2CND-A4A

D2CND024A4AB D2CND024A4AA D2CND028A4AB D2CND028A4AA D2CND035A4AA D2CND035A4AB
Gas Consumption (G20) Min m³/h 0.31 0.31 0.511 0.511 0.511 0.511
    Max m³/h 2.48 2.48 2.89 2.89 3.63 3.63
  Consumption (G25) Min m³/h 0.36 0.36 0.59 0.59 0.59 0.59
    Max m³/h 2.89 2.89 3.32 3.32 4.19 4.19
  Consumption (G31) Min m³/h 0.12 0.12 0.2 0.2 0.2 0.2
    Max m³/h 0.96 0.96 1.1 1.1 1.38 1.38
  NOx class   6 6 6 6 6 6
  NOx level (G20) mg/kWh 22 22 36.3 36.3 35.5 35.5
Central heating Heat input Qn (net calorific value) Nom Min kW 2.9 2.9 4.8 4.8 4.8 4.8
      Max kW 23.5 23.5 27 27 34 34
  Heat input Qn (gross calorific value) Nom Min kW 3.2 3.2 5.3 5.3 5.3 5.3
      Max kW 26.1 26.1 30 30 37.8 37.8
  Output Pn at 80/60°C Min kW 2.8 2.8 4.6 4.6 4.6 4.6
    Nom kW 22.8 22.8 26.3 26.3 33.2 33.2
  Output Pnc at 50/30°C Min kW 3.1 3.1 5.2 5.2 5.2 5.2
    Nom kW 24 24.0 28.2 28.2 35 35
  Output at 37/30°C Nom kW 7.6 7.6 8.8 8.8 11.1 11.1
  Water temperature Max °C 100 100 100 100 100 100
  Efficiency Net calorific value % 97.9 97.9
    Gross calorific value % 87.3 87.3
Domestic hot water Heat input (net calorific value) Qnw Nom Min kW 2.9 2.9 4.8 4.8 4.8 4.8
      Max kW 23.5 23.5 29.5 29.5 34 34
  Heat input (gross calorific value) Qnw Nom Min kW 3.2 3.2 5.3 5.3 5.3 5.3
      Max kW 26.1 26.1 32.7 32.7 37.7 37.7
  Temperature Max °C 60 60 60 60 60 60
Heat losses Stand-by boiler Ps kW 0.057 0.057 0.065 0.0650 0.0650 0.065
Supply air Connection mm 100 100 100 100 100 100
  Concentric   Yes Yes Yes Yes Yes Yes
Flue gas Temperature Max °C 90 90 76.4 76.4 81.7 81.7
  Connection mm 60 60 60 60 60 60
  Mass flow (G20) Max kg/h 38.7 38.7 55.7 44.5 55.7 55.7
  Mass flow (G31) Max kg/h 36 36.0 43.3 43.3 54.7 54.7
Casing Colour   Titanium White (Ral9003) Titanium White (Ral9003) Titanium White (Ral9003) Titanium White (Ral9003) Titanium White (Ral9003) Titanium White (Ral9003)
  Material   Sheet metal Sheet metal Powder painted galvanised steel plate Powder painted galvanised steel plate Powder painted galvanised steel plate Powder painted galvanised steel plate
Dimensions Unit Height Casing mm 590 590 690 690 690 690
    Width mm 400 400 440 440 440 440
    Depth mm 256 256 295 295 295 295
Weight Unit Empty kg 27 27 37 37 37 37
    Full kg 27 27   39 39
  Boiler Empty kg 27 27.0
Domestic hot water heating General Declared load profile   XL XL XL XL XL XL
    Water heating energy efficiency class   A A A A A A
Space heating General Seasonal space heating eff. class   A A A A A A
Flue gas Mass flow (G25) Max kg/h     39.3 39.3 49.6 49.6