Specifications Table for D2U30GC-A

D2U30GC015AB D2U30GC020AB D2U30GC015AA (Archived) D2U30GC020AA (Archived)
Gas Connection Diameter mm 20 20 20 20
  NOx class   6 6 6 6
  NOx level (G20) mg/kWh 23 31 26 34
Central heating Heat input Qn (net calorific value) Nom Min kW 3.0 3.0 3.0 3.0
      Max kW 15.0 20.0 15.0 20.0
  Heat input Qn (gross calorific value) Nom Min kW 3.3 3.3 3.3 3.3
      Max kW 16.7 22.2 16.7 22.2
Domestic hot water Heat input (net calorific value) Qnw Nom Min kW 3.0 3.0 3.0 3.0
      Max kW 15.0 20.0 15.0 20.0
  Heat input (gross calorific value) Qnw Nom Min kW 3.3 3.3 3.3 3.3
      Max kW 16.7 22.2 16.7 22.2
  Output Min kW 3.0 3.0 3.0 3.0
  Efficiency NL characteristics (DIN4708)   2.0 2.1 2.0 2.1
Space heating General Seasonal space heating eff. class   A A A A
Heat losses Stand-by boiler kWh/24h     1.5 1.5
  Stand-by boiler Ps kW 0.0 0.0    
  Stand-by boiler qS kW 0.0 0.0    
Supply air Concentric   Yes Yes Yes Yes
Flue gas Mass flow (G20) Max kg/h 23.2 30.9 23.2 30.9
  Mass flow (G25) Max kg/h 22.2 29.7 22.2 29.7
  Mass flow (G31) Max kg/h 22.5 30.0 22.5 30.0
Casing Colour   Traffic white (RAL9016) / Dark grey (RAL7011) Traffic white (RAL9016) / Dark grey (RAL7011) Traffic white (RAL9016) / Dark grey (RAL7011) Traffic white (RAL9016) / Dark grey (RAL7011)
Dimensions Unit Height Casing mm 1,895 1,895 1,895 1,895
Tank Material   Polypropylen Polypropylen Polypropylen Polypropylen
Domestic hot water heating General Declared load profile   L L L L
    Water heating energy efficiency class   A A A A
Notes (1) - Heatloss according to EN12897 (1) - Heatloss according to EN12897