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Technical Data
GENERAL
NOTE
Model E-COMBI 24 30 38
CE Certi cation (pin) 0085BR0347
Boiler type B23-B33-C13-C33-C43-C53-C83
POWER SPECIFICATIONS
Max/min nominal calori c ow rate (Pci) Qn kW 22.0/5.5 28.0/6.5 31.0/7.5
Max/min nominal calori c ow rate (Pcs) Qn kW 24.4/6.1 31.1/7.2 34.4/8.3
Domestic hot water max/min nominal calori c ow rate (Pci) Qn kW 25.0/5.5 30.0/6.5 38.0/7.5
Domestic hot water max/min nominal calori c ow rate (Pcs) Qn kW 27.8/6.1 33.3/7.2 42.2/8.3
Max/min power output (80°C-60°C) Pn kW 21.6/5.2 27.4/6.2 30.3/7.3
Max/min power output (50°C-30°C) Pn kW 23.5/5.8 29.5/6.9 33.1/8.0
Domestic hot water max/min power output Pn kW 25.0/5.0 30.0/6.0 38.9/7.1
Combustion e ciency (of ue gas) % 97.9 97.9 98.0
Nominal calori c ow rate e ciency (60/80°C) Hi/Hs % 98.0/88.2 98.0/88.2 97.6/87.9
Nominal calori c ow rate e ciency (30/50°C) (condensation) Hi/Hs % 107.0/96.4 105.3/94.8 106.9/96.3
E ciency at 30% at 30°C (condensation) Hi/Hs % 108.0/97.3 110.3/99.3 107.2/96.5
E ciency at 30% at 47°C Hi/Hs % 101.0/90.9 98.2/88.4 103.1/92.8
Minimum calori c ow rate e ciency (60/80°C) Hi/Hs % 95.0/85.5 95.6/86.1 96.8/87.2
E ciency rating (dir. 92/42/EEC) stars
**** **** ****
Sedbuk Band Rating band A / 90.3 A / 90.1 A / 90,1
Loss when stopped (∆T = 50°C) % 0.2 0.1 0.1
Loss of burner gas when operating % 2.1 2.1 2.0
EMISSIONS
Available air pressure Pa 137 141 132
NoX class class 5 5 5
Flue gas temperature (G20) (80°C-60°C) °C 63 63 63
CO2 content (G20) (80°C-60°C) % 9.0 9.0 9.6
CO content (0%O2) (80°C-60°C) ppm < 100 < 100 < 125
O2 content (G20) (80°C-60°C) % 4.5 4.5 3,5
Maximum ue gas ow (G20) (80°C-60°C) Kg/h 41.2 49.4 59.2
Excess air (80°C-60°C) % 27 27 20
HEATING CIRCUIT
Expansion vessel in ation pressure bar 1 1 1
Maximum heating pressure bar 3 3 3
Expansion vessel capacity L 6.5 6.5 6.5
Maximum water capacity with in the appliance (75°C-35°C) L 100/300 100/300 100/300
Min/max heating temperature (high temperature range) °C 35/82 35/82 35/82
D. H. W. CIRCUIT
Domestic hot water max/min temperature °C 36/60 36/60 36/60
Speci c ow rate of domestic hot water (∆T=30°C) l/mn 12.0 15.0 18.2
Quantity of hot water ∆T=25°C l/mn 14.4 18.0 21.8
Quantity of hot water ∆T=35°C l/mn 10.3 12.9 15.6
Hot water comfort rating (EN13203) stars *** *** ***
Hot water minimum ow rate l/mn < 2 < 2 < 2
Domestic hot water max/min pressure bar 7/0.3 7/0.3 7/0.3
ELECTRICAL
Power supply frequency/voltage V/Hz 230/50 230/50 230/50
Total electrical power absorbed W 114 115 150
Minimum ambient temperature for use °C +5 +5 +5
Protection level for the electrical appliance PI X5D X5D X5D
Weight kg 32 35 35,5