Ariston Combi A 24 MFFi - 22 Technical Data

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22. Technical data
Model Combi A 24 MFFi
CE certificate 1312-BP-4083
Performance category ****
NoX class 5
Category II2H3P
Heating output 80°C/60°C kW 5 to 21
Heating output 50°C/30°C kW 6 to 23
Variable hot water power Pn max kW 25,1
Nominal gas flow rate (15 °C-1013 mbar) min max
Central Heating & DHW flow rate Qn kW 5,5 22 25
G 20 (NG H -Lacq) 34,02 MJ/m
3
under 20 mbar Vr m
3
/h 0,58 2,33 2,65
G 31 (Propane) 46,4 MJ/kg 37 under mbar Vr kg/h 0,43 1,71 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
3
Central heating expansion vessel capacity L 6
Expansion vessel inflation pressure bar 0,7
Adjustable hot water temperature °C 40 to 60
DHW ignition flow rate l/min. 2
DHW specific flow rate (∆T: 30 K) D I/min. 12,0
DHW start minimum pressure Pw min bar
0,3
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. 31
Mass flow rate for combustion products g/s 11,5
Fume temperature (60-80) °C 67
Fume temperature (30-50) °C 60
CO2 G20 % 9
CO2 G31 % 10
Dimensions Height / Width / Depth (mm) 720 / 390 / 296
Weight kg 37
Flue duct type C13 C33 C43 C53 B23
This appliance is suitable for Natural gas or LPG. A gas conversion must be made by a competent person.