D2C18ND024A5AA D2C20ND028A5AA D2C24ND035A5AA
Gas Supply pressure France   G20 (20 mbar), G25 (25 mbar), G31 (37 mbar) G20 (20 mbar), G25 (25 mbar), G31 (37 mbar) G20 (20 mbar), G25 (25 mbar), G31 (37 mbar)
  Category France   II2E+3P II2E+3P II2E+3P
  Consumption (G20) Min m³/h 0.31 0.51 0.51
    Max m³/h 1.80 2.04 2.45
  Consumption (G25) Min m³/h 0.36 0.59 0.59
    Max m³/h 2.09 2.35 2.85
  Consumption (G31) Min m³/h 0.12 0.20 0.20
    Max m³/h 0.69 0.98 1.19
  NOx class   6 6 6
  NOx level (G20) mg/kWh 18 31 32
Central heating Heat input Qn (net calorific value) Nom Min kW 2.9 4.8 4.8
      Max kW 16.9 19.2 23.5
  Heat input Qn (gross calorific value) Nom Min kW 3.2 5.3 5.3
      Max kW 18.8 21.3 26.1
  Output Pn at 80/60°C Min kW 2.8 4.6 4.6
    Nom kW 16.4 18.8 22.9
  Output Pnc at 50/30°C Min kW 3.1 5.2 5.2
    Nom kW 18.0 20.0 24.0
  Output at 37/30°C Nom kW 5.5 6.3 7.7
  Factory setting Output Nom kW 18 20 24
  Water pressure (PMS) Max bar 3 3 3
  Water temperature Max °C 100 100 100
  Efficiency full load heat input Net calorific value % 97 98 98
    Gross calorific value % 87 88 88
  Efficiency part load 30% Qa Net calorific value % 109 109 109
    Gross calorific value % 98 98 98
  Operation range Min °C 30 30 30
    Max °C 80 80 80
Domestic hot water Heat input (net calorific value) Qnw Nom Min kW 2.9 4.8 4.8
      Max kW 25.3 29.5 34.0
  Heat input (gross calorific value) Qnw Nom Min kW 3.2 5.3 5.3
      Max kW 27.7 32.7 37.7
  Comfort class (EN13203)   *** *** ***
  Domestic hot water threshold l/min 2.0 2.0 2.0
  Water flow Flow rate D (EN13203) (40/10°C) Max l/min 12.0 14.0 16.0
  Temperature Max °C 70 70 70
    Factory setting °C 50 50 50
  Operation range Min °C 35 35 35
    Max °C 60 60 60
Supply air Connection mm 100 100 100
  Concentric   Yes Yes Yes
Flue gas Temperature Max °C 77 76 82
  Connection mm 60 60 60
  Length 2x DN80 Max m 109 54 54
  Length DN60/100 Max m 8.1 7.0 7.0
  Length DN80/125 Max m 26 34 34
  Mass flow (G20) Max kg/h 38.7 44.5 55.7
  Mass flow (G31) Max kg/h 36.0 43.3 54.8
  Condensate drain hose DN 20.0 20.0 20.0
  Condensate drain hose inch 0.8 0.8 0.8
Casing Colour   Titanium White (Ral9003) Titanium White (Ral9003) Titanium White (Ral9003)
  Material   Powder painted galvanised steel plate Powder painted galvanised steel plate Powder painted galvanised steel plate
Dimensions Unit Height Casing mm 590 695 695
    Width mm 400 440 440
    Depth mm 256 295 295
  Packed unit Height mm 680 790 790
    Width mm 490 525 525
    Depth mm 350 385 385
Weight Unit Empty kg 27 37 37
  Packed unit Empty kg 32 42 42
Packing Material   Carton, EPS Carton, EPS Carton, EPS
Heat exchanger Quantity   1 1 1
  Body material   Aluminium Aluminium Aluminium
  Domestic hot water Quantity   1 1 1
    Tube material   Stainless steel Stainless steel Stainless steel
    Operating pressure bar 10 10 10
Pump Type   Grundfos UPM3 15-75 CHB Grundfos UPM3 15-75 CHB Grundfos UPM3 15-75 CHB
  Nr of speeds   PWM PWM PWM
  Power input W 60 60 60
  Maximum pumping height m 7.5 7.5 7.5
Expansion vessel Volume l 8 10 10
  Max. water pressure bar 3 3 3
  Pre pressure bar 1 1 1
Water circuit - Central heating Piping connections diameter inch 3/4" (male) 3/4" (male) 3/4" (male)
  Piping connections diameter mm 19 19 19
  Pressure Heating Max. bar 3 3 3
  Safety valve bar 3 3 3
  Air purge valve   Yes Yes Yes
  Drain valve / fill valve   Yes Yes Yes
  Shut off valve   Yes Yes Yes
Water circuit - Domestic hot water side Piping connections Cold water in / Hot water out inch 1/2" (male) 1/2" (male) 1/2" (male)
    Diameter mm 13 13 13
Sound power level Nom. dBA 49 50 53
General Supplier/Manufacturer details Name and address   Daikin Europe N.V. - Zandvoordestraat 300, 8400 Oostende, Belgium Daikin Europe N.V. - Zandvoordestraat 300, 8400 Oostende, Belgium Daikin Europe N.V. - Zandvoordestraat 300, 8400 Oostende, Belgium
    Name or trademark   Daikin Europe N.V. Daikin Europe N.V. Daikin Europe N.V.
  Product description Condensing boiler   Yes Yes Yes
    Low-temperature boiler   No No No
    B1 boiler   No No No
    Cogeneration space heater   No No No
    Combination heater   Yes Yes Yes
Domestic hot water heating General Declared load profile   XL XL XL
    Ƞwh (water heating efficiency) % 84 84 83
    Qelec (Daily electricity consumption) kWh 0.166 0.153 0.204
    Qfuel (Daily fuel consumption) kWh 23.350 23.250 30.260
    Water heating energy efficiency class   A A A
    AEC (Annual electricity consumption) kWh 36 33 44
    AFC (Annual fuel consumption) Gj 18 18 23
Space heating General Prated kW 16 19 23
    P1 (Usefull heat output at 30% of rated heat output and low-temp regime) kW 5.5 6.3 7.7
    P4 (Useful heat output at rated heat output and high-temp regime) kW 16.4 18.8 22.9
    Ƞs (Seasonal space heating efficiency) % 93 93 93
    Ƞ1 (Useful efficiency at 30% of rated heat output and low-temp regime) % 98.2 98.1 98.2
    Ƞ4 (Useful efficiency at rated heat output and high-temp regime) % 87.4 88.1 87.9
    Seasonal space heating eff. class   A A A
    Qhe Annual energy consumption (final energy) kWh 8,257 10,131 11,809
    Qhe Annual energy consumption (GCV) Gj 29.73 36.47 42.51
  Auxiliary electricity consumption elmax (at full load) kW 0.020 0.029 0.031
    elmin (at part load) kW 0.009 0.009 0.009
    Psb (Standby mode) kW 0.004 0.003 0.003
  Other NOx emission mg/kWh 18 31 32
    Ƞson (seasonal space heating energy eff. in active mode) % 96.57 96.56 96.69
    Pstby (standby heat loss) kW 0.057 0.065 0.065
Power supply Phase   1~ 1~ 1~
  Frequency Hz 50 50 50
  Voltage V 230 230 230
  Voltage range Min. % 10 10 10
    Max. % 10 10 10
Class IP   IP X5D IP X5D IP X5D
Electrical power consumption Max. W 86.0 92.0 112.0
  Standby W 3.5 2.7 2.7