Technical information
12
product description
Technical Data
GEN. NOTES
Model Name CLAS EVO
SYSTEM 24 FF
CLAS EVO
SYSTEM 28 FF
CLAS EVO
SYSTEM 32 FF
CE certi cation (pin) 1312BR4793 1312BR4794
Boiler type
C12-C32-C42-C52-C62-C82-B22-B22p-B32
ELECTRICAL PERFORMANCE
Max/min nominal heat input(Hi) kW 25,8 / 11,0 30,0 / 13,0 32,5 / 14,0
Max/min nominal heat input (Hs) kW 28,7 / 12,2 33,3 / 14,4 36,1 / 15,5
Max/min nominal heat input for hot water (Hi) kW 27 / 11,0 31,3 / 13,0 34,0 / 14,0
Max/min nominal heat input for hot water (Hs) kW 30 / 12,2 34,8 / 14,4 37,8 / 15,5
Heat output: max/min kW 24,2 / 9,8 28,1 / 11,6 30,4 / 12,3
D.H.W. Heat output: max/min kW 25,3 / 9,8 29,3 / 11,6 31,4 / 12,3
Combustion e ciency (at ue) Hi/Hs % 94,5 93,9 94,3
Gross e ciency of nominal heat input (60/80 °C) Hi/Hs % 93,8 / 84,5 93,6 / 84,3 93,5 / 84,2
Gross e ciency at 30 % at 47°C Hi/Hs % 93,6 / 84,3 93,2 / 83,9 92,7 / 83,5
Gross e ciency at minimum power Hi/Hs % 89,2 / 80,3 89,3 / 80,4 88,1 / 79,3
Number of e ciency stars (Directive 92/42/EEC) stars *** *** ***
Rating Sedbuk class D D D
Ma. heat loss to the casing (ΔT = 50°C) % 0,7 0,3 0,5
Heat loss through the ue when burner on
% 5,5 6,1 5,7
Heat loss through the ue when burner o % 0,4 0,4 0,4
EMISSIONS
Residual discharge head Pa 100 104 98
Nox class class 3 3 3
Flue fumes temperature (G20) °C 105 114 105
CO2 content
2
(G20) % 6,5 6,4 6,3
CO content (0 %0
2
) ppm 50 92 89
O2 content2
(G20) % 8,8 8,9 9,2
Max capacity fumes (G20) kg/h 57,4 67,5 73,9
Excess air % 72 74 78
HEATING CIRCUIT
Load losses water side (max) ΔT=20°C (mbar) 200 200 200
Residual head for the system bar 0,25 0,25 0,25
Expansion vessel pre-charged pressure bar 1 1 1
Maximum central heating circuit pressure bar 3 3 3
Expansion vessel capacity l 8 8 8
Central heating temperature: max/min(high temperature
range)
°C 82 / 35 82 / 35 82 / 35
DOMESTIC HOT WATER CIRCUIT
Domestic hot water temperature max/min °C 60 / 40 60 / 40 60 / 40
ROOMELECTRICAL
DATA
Power supply voltage/frequency V/Hz 230/50 230/50 230/50
Power consumption W 112 129 142
Minimum operating room temperature °C +5 +5 +5
Electric system grades of protection IP X5D X5D X5D
Weight
kg 30 31 32