Specifications Table for D2CND-A4A

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