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descrizione del prodotto product description
Technical Data
GEN. NOTES
Model Name GENUS EVO 24 CF GENUS EVO 30 CF
CE certi cation (pin) 1312BR4794 1312BR4923
Boiler type
B11BS
ELECTRICAL PERFORMANCE
Max/min nominal heat input(Hi) kW 25,8 / 11,0 29,5 / 13,0
Max/min nominal heat input (Hs) kW 28,7 / 12,2 32,8 / 14,4
Max/min nominal heat input for hot water (Hi) kW 27 / 11 30,5 / 13
Max/min nominal heat input for hot water (Hs) kW 30 / 12,2 33,9 / 14,4
Heat output: max/min kW 23,7 / 9,9 26,7 / 11,2
D.H.W. Heat output: max/min kW 25,5 / 9,9 28,3 / 11,2
Combustion e  ciency (at  ue) Hi/Hs % 93,0 92,3
Gross e  ciency of nominal heat input (60/80 °C)   Hi/Hs %  91,9 / 82,8 90,6 / 81,6
Gross e  ciency at 30 %  at 47°C      Hi/Hs % 91,2 / 82,1 89,7 / 80,8
Gross e  ciency at minimum power   Hi/Hs % 90,2 / 81,2 86,5 / 77,9
Number of e  ciency stars (Directive 92/42/EEC) stars ** **
Rating Sedbuk class D D
Ma. heat loss to the casing (ΔT = 50°C) % 1,1 1,7
Heat loss through the  ue when burner on %  7,0 7,7
Heat loss through the  ue when burner o % 0,4 0,4
EMISSIONS
Residual discharge head Pa 3 3
Nox class class 3 3
Flue fumes temperature (G20) °C 118 133
CO2  content
2
  (G20) % 5,8 6,2
CO content (0 %0
2
) ppm 53 41
O2 content2  
 
(G20) % 10,1 9,3
Max capacity fumes (G20) kg/h 63,6 68,9
Excess air %93 80
HEATING CIRCUIT
Load losses water side (max) ΔT=20°C (mbar) 200 200
Residual head for the system bar 0,25 0,25
Expansion vessel pre-charged pressure bar 1 1
Maximum central heating circuit pressure bar 3 3
Expansion vessel capacity l 8 8
Central heating temperature: max/min(high temperature range) °C 85 / 35 85 / 35
DOMESTIC HOT WATER CIRCUIT
Domestic hot water temperature max/min °C 60 / 36 60 / 36
Speci c  ow rate of domestic hot water system (10 min. with ΔT=30°C)) instant boilers
l/min 12,2 13,5
D.H.W.  ow rate ΔT=25°C l/min 14,6 16,2
D.H.W.  ow rater ΔT=35°C l/min 10,5 11,6
Hot water comfort stars (EN13203) stars *** ***
D.H.W. minimum  ow rate l/min 1,6 1,7
Domestic hot water pressure max/min bar 7 7
ROOMELECTRICAL 
DATA
Power supply voltage/frequency
V/Hz 230/50 230/50
Power consumption
W 78,5 90
Minimum operating room temperature
°C +5 +5
Electric system grades of protection
IP X4D X4D
Weight kg 30 31
Dimensions (W x H x D) : mm 400/770/315 440/770/315