EKOMBU22AAV1 EKOMBU28AAV1 EKOMBU33AAV1
Gas Device category   C13, C33, C43, C53, C63, C83, C93 C13, C33, C43, C53, C63, C83, C93 C13, C33, C43, C53, C63, C83, C93
  Supply pressure United Kingdom   G20 (20 mbar), G31 (28-50 mbar) G20 (20 mbar), G31 (28-50 mbar) G20 (20 mbar), G31 (28-50 mbar)
  Category United Kingdom   II2H3P II2H3P II2H3P
  Connection Diameter mm 15 15 15
  Consumption (G20) Min m³/h 0.58 0.74 0.79
    Max m³/h 1.94 2.46 2.80
  Consumption (G25) Min m³/h 0.67 0.85 0.91
    Max m³/h 2.25 2.85 3.24
  Consumption (G31) Min m³/h 0.22 0.28 0.30
    Max m³/h 0.74 0.94 1.07
  NOx class   5 5 5
Central heating Heat input Qn (net calorific value) Nom Min kW 6.2 7.9 8.4
      Max kW 20.7 26.3 29.8
  Heat input Qn (gross calorific value) Nom Min kW 5.6 7.1 7.6
      Max kW 18.7 23.7 27.0
  Output Pn at 80/60°C Min kW 5.4 6.9 7.1
    Nom kW 17.8 22.8 26.3
  Output Pnc at 50/30°C Min kW 5.9 7.6 7.8
    Nom kW 18.5 23.4 27.1
  Output at 40/30°C Min kW 6.1 7.7 8.2
  Water pressure (PMS) Max bar 3 3 3
  Water temperature Max °C 90 90 90
  Efficiency Net calorific value % 109 108 108
Domestic hot water Heat input (net calorific value) Qnw Nom Min kW 6.2 7.9 8.0
      Max kW 24.6 31.1 36.3
  Heat input (gross calorific value) Qnw Nom Min kW 5.6 7.1 7.2
      Max kW 22.1 28.0 32.7
  Output Min kW 6.1 6.6 7.9
    Nom kW 21.0 26.2 31.5
  Domestic hot water threshold l/min 1.5 1.5 1.5
  Water flow Rate Nom l/min 10 (1), 6 (2) 12.5 (1), 7.5 (2) 15 (1), 9 (2)
  Temperature Factory setting °C 60 60 60
Supply air Connection mm 100 100 100
  Concentric   Yes Yes Yes
Flue gas Connection mm 60 60 60
Casing Colour   White - RAL9010 White - RAL9010 White - RAL9010
  Material   Precoated sheet metal Precoated sheet metal Precoated sheet metal
Dimensions Unit Height Casing mm 590 650 710
    Width mm 450 450 450
    Depth mm 240 240 240
  Packed unit Height mm 780 840 900
    Width mm 500 500 500
    Depth mm 270 270 270
Weight Unit Empty kg 30 33 36
  Packed unit Empty kg 32 35 38
Packing Material   Carton, PP (Straps) Carton, PP (Straps) Carton, PP (Straps)
  Weight kg 2 2 2
Heat exchanger Body material   Aluminium Aluminium Aluminium
Water circuit - Central heating Piping connections diameter mm 22 22 22
  Piping material   Cu Cu Cu
  Pressure Heating Max. bar 3 3 3
  Safety valve bar 2.5 2.5 2.5
  Air purge valve   Yes (Manually) Yes (Manually) Yes (Manually)
  Drain valve / fill valve   No No No
  Manometer   Yes Yes Yes
  Shut off valve   No No No
Water circuit - Domestic hot water side Piping connections Diameter mm 15 15 15
  Piping material   Cu Cu Cu
Power supply Phase   1~ 1~ 1~
  Frequency Hz 50 50 50
  Voltage V 230 230 230
Class IP   IP44 IP44 IP44
Electrical power consumption Max. W 105 105 105
  Standby W 2 2 2
Notes Setpoint 40°C Setpoint 40°C Setpoint 40°C
  Setpoint 60°C Setpoint 60°C Setpoint 60°C