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product description
GENERAL NOTE
Model: CLAS HE EVO SYSTEM 18 24 30
CE Certi cation (pin) 0085CL0440
Boiler type
C13(X)-C23-C33(X)-C43(X)-C53(X)-C63(X)
C83(X)-C93(X)-B23-B23P-B33
POWER SPECIFICATIONS
Max/min nominal calori c ow rate (Pci) Qn kW 18.0/4.5 22.0/5.5 28.5/6.5
Max/min nominal calori c ow rate (Pcs) Qn kW 20.0/5.0 24.4/6.1 31.1/7.2
Max/min power output (80°C-60°C) Pn kW 17.6/4.4 21.5/5.4 27.3/6.3
Max/min power output (50°C-30°C) Pn kW 19.1/4.7 23.3/5.7 29.7/6.8
Combustion e ciency (of ue gas) % 98.0 97.8 97.8
Nominal calori c ow rate e ciency (60/80°C) Hi/Hs % 97.6/87.9 97.5/87.8 97.6/87.8
Nominal calori c ow rate e ciency (30/50°C) Hi/Hs % 106,1/95.5 105.8/95.3 106.0/95.5
E ciency at 30% at 30°C Hi/Hs % 107.7/97.0 107.7/97.0 107.7/97.0
E ciency at 30% at 47°C Hi/Hs % 97.7/88.0 97.7/88.0 97.6/87.9
Minimum calori c ow rate e ciency (60/80°C) Hi/Hs % 97.6/87.9 97.6/87.9 97.5/87.8
E ciency rating (dir. 92/42/EEC) stars **** **** ****
Sedbuk Band / Rating Band / % A/90.1 A/90.0 A/90.0
Loss when stopped (∆T = 50°C) %
Loss of burner gas when operating % 2.0 2.2 2.2
EMISSIONS
Available air pressure Pa 100 100 100
NoX class (5 = less than 70mg/kWh class 5 5 5
Flue gas temperature (G20) (80°C-60°C) °C 61 64 64
CO2 content (G20) (80°C-60°C) % 9.0 9.0 9.0
CO content (0%O2) (80°C-60°C) ppm 93 119 101
O2 content (G20) (80°C-60°C) % 4.5 4.5 4.5
Maximum ue gas ow (G20) (80°C-60°C) Kg/h 29.7 36.3 46.1
Excess air (80°C-60°C) % 27 27 27
HEATING CIRCUIT
Expansion chamber in ation pressure bar 1 1 1
Maximum heating pressure bar 2,5 2,5 2,5
Expansion chamber capacity L 6.5 6.5 6.5
Min/max heating temperature (high temperature range) °C 35 / 82 35 / 82 35 / 82
Min/max heating temperature (low temperature range) °C 20 / 45 20 / 45 20 / 45
DOMESTIC HOT WATER CIRCUIT ELECTRICAL
Power supply frequency/voltage V/Hz 230/50 230/50 230/50
Total electrical power absorbed W 106 113 116
Minimum ambient temperature for use °C +5 +5 +5
Protection level for the electrical appliance PI X5D X5D X5D
Weight kg 32 32 35