23. Technical data Model COMBI A 24 MFFI CE certificate 1312-BP-4083 Performance category **** NoX class 5 Category II2H3P Central Heating input (min/max) kW 7.5 to 25 Central Heating output (min/max) 80°C/60°C kW 7 to 24 Central Heating output (max) 50°C/30°C kW 26 Domestic Hot Water input (max) kW 25 Domestic Hot Water output (max) kW 24 SEDBUK rating / SAP efficiency Band / % A / 90.0 Nominal gas flow rate (15 °C-1013 mbar) min max Central Heating & DHW flow rate Qn kW 7.5 25 G 20 (NG H -Lacq) 34.02 MJ/m 3 under 20 mbar Vr m 3 /h 0.79 2.65 G 31 (Propane) 46.4 MJ/kg 37 under mbar Vr kg/h 0.58 1.94 Membrane Diameter (mm)/marking G 20 mm without G 31 (propane) mm 4.4 Adjustable heating outlet temperature: °C 25 to 85 Central heating minimum flow rate I/h 300 Central heating circuit maximum pressure Pw max bar 2.5 Central heating expansion vessel capacity L 6 Expansion vessel inflation pressure bar 0.7 Adjustable hot water temperature °C 40 to 70 Minimum DHW ignition flow rate l/min. 2 DHW specific flow rate (∆T: 35 o C) I/min. 9.8 DHW start minimum pressure Pw min bar 0.5 Maximum pressure of DHW circuit Pw max bar 10 DHW expansion vessel L without Electric voltage 230 volt, single phase - 50 Hz Electrical input power W 150 Electrical protection IPX 4D Fresh air flow rate required for combustion V m 3 h. 29 Mass flow rate for combustion products g/s 10.9 Fume temperature (60-80) °C 79 Fume temperature (30-50) °C 60 CO2 G20 % 9.5 CO2 G31 % 10 Dimensions Height / Width / Depth (mm) 720 / 390 / 296 Weight kg 37 Flue duct type C13 C33 C43 C53 Maximum Flue Length (Ø 60/100) m 5 Maximum Flue Length (Ø 80/125) m 10 Maximum Flue Length (Ø 80/80) m 60 This appliance is suitable for Natural gas or LPG. A gas conversion must be made by a competent person. 58
Model COMBI A 30 MFFI CE certificate 1312-BP-4084 Performance category **** NoX class 5 Category II2H3P Central Heating input (min/max) kW 9.4 to 30 Central Heating output (min/max) 80°C/60°C kW 9 to 29 Central Heating output (max) 50°C/30°C kW 32 Domestic Hot Water input (max) kW 30 Domestic Hot Water output (max) kW 29 SEDBUK rating / SAP efficiency Band / % A / 90.2 Nominal gas flow rate (15 °C-1013 mbar) min max Central Heating & DHW flow rate Qn kW 9.4 30 G 20 (NG H -Lacq) 34.02 MJ/m 3 under 20 mbar Vr m 3 /h 0.99 3.17 G 31 (Propane) 46.4 MJ/kg 37 under mbar Vr kg/h 0.73 2.33 Membrane Diameter (mm)/marking G 20 mm Not Used G 31 (propane) mm 4.8 Adjustable heating outlet temperature: °C 25 to 85 Central heating minimum flow rate I/h 300 Central heating circuit maximum pressure Pw max bar 2.5 Central heating expansion vessel capacity L 6 Expansion vessel inflation pressure bar 0.7 Adjustable hot water temperature °C 40 to 70 DHW ignition flow rate l/min. 2 DHW specific flow rate (∆T: 30 K) D I/min. 15.0 DHW start minimum pressure Pw min bar 0.5 Maximum pressure of DHW circuit Pw max bar 10 DHW expansion vessel L none Electric voltage 230 volt, single phase - 50 Hz Electrical input power W 150 Electrical protection IPX 4D Fresh air flow rate required for combustion V m 3 h. 36 Mass flow rate for combustion products 13.5 Fume temperature (60-80) °C 74 Fume temperature (30-50) °C 59 CO2 G20 % 9.2 CO2 G31 % 10 Dimensions Height / Width / Depth (mm) 720 / 390 / 360 Weight kg 40 Flue duct type C13 C33 C43 C53 Maximum Flue Length (Ø 60/100) m 5 Maximum Flue Length (Ø 80/125) m 10 Maximum Flue Length (Ø 80/80) m 60 This appliance is suitable for Natural gas or LPG. A gas conversion must be made by a competent person. 59
23. Technical data Model COMBI A 24 MFFI CE certificate 1312-BP-4083 Performance category **** NoX class 5 Category II2H3P Central Heating input (min/max) kW 7.5 to 25 Central Heating output (min/max) 80°C/60°C kW 7 to 24 Central Heating output (max) 50°C/30°C kW 26 Domestic Hot Water input (max) kW 25 Domestic Hot Water output (max) kW 24 SEDBUK rating / SAP efficiency Band / % A / 90.0 Nominal gas flow rate (15 °C-1013 mbar) min max Central Heating & DHW flow rate Qn kW 7.5 25 G 20 (NG H -Lacq) 34.02 MJ/m 3 under 20 mbar Vr m 3 /h 0.79 2.65 G 31 (Propane) 46.4 MJ/kg 37 under mbar Vr kg/h 0.58 1.94 Membrane Diameter (mm)/marking G 20 mm without G 31 (propane) mm 4.4 Adjustable heating outlet temperature: °C 25 to 85 Central heating minimum flow rate I/h 300 Central heating circuit maximum pressure Pw max bar 2.5 Central heating expansion vessel capacity L 6 Expansion vessel inflation pressure bar 0.7 Adjustable hot water temperature °C 40 to 70 Minimum DHW ignition flow rate l/min. 2 DHW specific flow rate (∆T: 35 o C) I/min. 9.8 DHW start minimum pressure Pw min bar 0.5 Maximum pressure of DHW circuit Pw max bar 10 DHW expansion vessel L without Electric voltage 230 volt, single phase - 50 Hz Electrical input power W 150 Electrical protection IPX 4D Fresh air flow rate required for combustion V m 3 h. 29 Mass flow rate for combustion products g/s 10.9 Fume temperature (60-80) °C 79 Fume temperature (30-50) °C 60 CO2 G20 % 9.5 CO2 G31 % 10 Dimensions Height / Width / Depth (mm) 720 / 390 / 296 Weight kg 37 Flue duct type C13 C33 C43 C53 Maximum Flue Length (Ø 60/100) m 5 Maximum Flue Length (Ø 80/125) m 10 Maximum Flue Length (Ø 80/80) m 60 This appliance is suitable for Natural gas or LPG. A gas conversion must be made by a competent person. 58
Model COMBI A 30 MFFI CE certificate 1312-BP-4084 Performance category **** NoX class 5 Category II2H3P Central Heating input (min/max) kW 9.4 to 30 Central Heating output (min/max) 80°C/60°C kW 9 to 29 Central Heating output (max) 50°C/30°C kW 32 Domestic Hot Water input (max) kW 30 Domestic Hot Water output (max) kW 29 SEDBUK rating / SAP efficiency Band / % A / 90.2 Nominal gas flow rate (15 °C-1013 mbar) min max Central Heating & DHW flow rate Qn kW 9.4 30 G 20 (NG H -Lacq) 34.02 MJ/m 3 under 20 mbar Vr m 3 /h 0.99 3.17 G 31 (Propane) 46.4 MJ/kg 37 under mbar Vr kg/h 0.73 2.33 Membrane Diameter (mm)/marking G 20 mm Not Used G 31 (propane) mm 4.8 Adjustable heating outlet temperature: °C 25 to 85 Central heating minimum flow rate I/h 300 Central heating circuit maximum pressure Pw max bar 2.5 Central heating expansion vessel capacity L 6 Expansion vessel inflation pressure bar 0.7 Adjustable hot water temperature °C 40 to 70 DHW ignition flow rate l/min. 2 DHW specific flow rate (∆T: 30 K) D I/min. 15.0 DHW start minimum pressure Pw min bar 0.5 Maximum pressure of DHW circuit Pw max bar 10 DHW expansion vessel L none Electric voltage 230 volt, single phase - 50 Hz Electrical input power W 150 Electrical protection IPX 4D Fresh air flow rate required for combustion V m 3 h. 36 Mass flow rate for combustion products 13.5 Fume temperature (60-80) °C 74 Fume temperature (30-50) °C 59 CO2 G20 % 9.2 CO2 G31 % 10 Dimensions Height / Width / Depth (mm) 720 / 390 / 360 Weight kg 40 Flue duct type C13 C33 C43 C53 Maximum Flue Length (Ø 60/100) m 5 Maximum Flue Length (Ø 80/125) m 10 Maximum Flue Length (Ø 80/80) m 60 This appliance is suitable for Natural gas or LPG. A gas conversion must be made by a competent person. 59
X